fabro/crates/arc-workflows/src/engine.rs
Bryan Helmkamp 3dce68d664 cargo fmt
2026-03-08 09:51:10 -04:00

4940 lines
179 KiB
Rust

use std::collections::HashMap;
use std::panic::AssertUnwindSafe;
use std::path::{Path, PathBuf};
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::time::Instant;
use arc_agent::Sandbox;
use chrono::Utc;
use futures::FutureExt;
use rand::Rng;
use tokio_util::sync::CancellationToken;
use arc_git_storage::trailerlink::{self, Trailer};
use crate::artifact::{offload_large_values, sync_artifacts_to_env, ArtifactStore};
use crate::asset_snapshot;
use crate::checkpoint::Checkpoint;
use crate::condition::evaluate_condition;
use crate::context;
use crate::context::Context;
use crate::error::{ArcError, FailureClass, FailureSignature, Result};
use crate::event::{EventEmitter, WorkflowRunEvent};
use crate::graph::{Edge, Graph, Node};
use crate::handler::{EngineServices, HandlerRegistry};
use crate::hook::{HookContext, HookDecision, HookEvent, HookRunner};
use crate::interviewer::Interviewer;
use crate::millis_u64;
use crate::outcome::{Outcome, StageStatus};
use crate::preamble::build_preamble;
/// Classify the failure mode of a completed outcome.
///
/// Returns `None` for `Success`, `PartialSuccess`, and `Skipped` outcomes.
/// For failures, checks (in priority order):
/// 1. Handler hint in `context_updates["failure_class"]`
/// 2. String heuristics on `failure_reason`
/// 3. Default to `Deterministic`
#[must_use]
fn classify_outcome(outcome: &Outcome) -> Option<FailureClass> {
match outcome.status {
StageStatus::Success | StageStatus::PartialSuccess | StageStatus::Skipped => None,
StageStatus::Fail | StageStatus::Retry => outcome
.failure_class()
.or(Some(FailureClass::Deterministic)),
}
}
/// Mutable state carried across loop restarts and recursive `run_internal` calls.
#[derive(Default)]
struct LoopState {
node_visits: HashMap<String, usize>,
/// Tracks deterministic/structural failure signatures across main-loop stages.
/// Never reset on success — prevents impl-succeeds/verify-fails cycles.
loop_failure_signatures: HashMap<FailureSignature, usize>,
/// Tracks failure signatures across loop_restart edges.
restart_failure_signatures: HashMap<FailureSignature, usize>,
}
// --- Retry policy types ---
/// Configuration for exponential backoff between retry attempts.
#[derive(Debug, Clone)]
pub struct BackoffConfig {
pub initial_delay_ms: u64,
pub backoff_factor: f64,
pub max_delay_ms: u64,
pub jitter: bool,
}
impl Default for BackoffConfig {
fn default() -> Self {
Self {
initial_delay_ms: 200,
backoff_factor: 2.0,
max_delay_ms: 60_000,
jitter: true,
}
}
}
impl BackoffConfig {
/// Calculate delay for a given attempt (1-indexed).
#[must_use]
pub fn delay_for_attempt(&self, attempt: u32) -> std::time::Duration {
let exponent = attempt.saturating_sub(1);
let initial = f64::from(u32::try_from(self.initial_delay_ms).unwrap_or(u32::MAX));
let max = f64::from(u32::try_from(self.max_delay_ms).unwrap_or(u32::MAX));
let exp_i32 = i32::try_from(exponent).unwrap_or(i32::MAX);
let delay_f64 = initial * self.backoff_factor.powi(exp_i32);
let capped = delay_f64.min(max);
let final_ms = if self.jitter {
let mut rng = rand::thread_rng();
let jitter_factor: f64 = rng.gen_range(0.5..1.5);
capped * jitter_factor
} else {
capped
};
// f64 -> u64: clamp to non-negative, truncate via string-free path
let ms = if final_ms <= 0.0 {
0u64
} else if final_ms >= f64::from(u32::MAX) {
u64::from(u32::MAX)
} else {
final_ms as u64
};
std::time::Duration::from_millis(ms)
}
}
/// Retry policy for node execution.
#[derive(Clone, Debug)]
pub struct RetryPolicy {
pub max_attempts: u32,
pub backoff: BackoffConfig,
}
impl RetryPolicy {
/// No retries -- fail immediately.
#[must_use]
pub fn none() -> Self {
Self {
max_attempts: 1,
backoff: BackoffConfig::default(),
}
}
/// Standard retry policy: 5 attempts, 200ms initial, 2x factor.
#[must_use]
pub const fn standard() -> Self {
Self {
max_attempts: 5,
backoff: BackoffConfig {
initial_delay_ms: 200,
backoff_factor: 2.0,
max_delay_ms: 60_000,
jitter: true,
},
}
}
/// Aggressive retry: 5 attempts, 500ms initial, 2x factor.
#[must_use]
pub const fn aggressive() -> Self {
Self {
max_attempts: 5,
backoff: BackoffConfig {
initial_delay_ms: 500,
backoff_factor: 2.0,
max_delay_ms: 60_000,
jitter: true,
},
}
}
/// Linear retry: 3 attempts, 500ms fixed delay.
#[must_use]
pub const fn linear() -> Self {
Self {
max_attempts: 3,
backoff: BackoffConfig {
initial_delay_ms: 500,
backoff_factor: 1.0,
max_delay_ms: 60_000,
jitter: true,
},
}
}
/// Patient retry: 3 attempts, 2000ms initial, 3x factor.
#[must_use]
pub const fn patient() -> Self {
Self {
max_attempts: 3,
backoff: BackoffConfig {
initial_delay_ms: 2000,
backoff_factor: 3.0,
max_delay_ms: 60_000,
jitter: true,
},
}
}
}
/// Build a retry policy from node and graph attributes.
/// If the node has a `retry_policy` attribute naming a preset, use that.
/// Otherwise, fall back to `max_retries` / graph default.
fn build_retry_policy(node: &Node, graph: &Graph) -> RetryPolicy {
if let Some(preset) = node.retry_policy() {
match preset {
"none" => return RetryPolicy::none(),
"standard" => return RetryPolicy::standard(),
"aggressive" => return RetryPolicy::aggressive(),
"linear" => return RetryPolicy::linear(),
"patient" => return RetryPolicy::patient(),
_ => {} // Unknown preset, fall through to max_retries behavior
}
}
let max_retries = node
.max_retries()
.unwrap_or_else(|| graph.default_max_retry());
// max_retries=0 means 1 attempt (no retries)
let max_attempts = u32::try_from(max_retries + 1).unwrap_or(1).max(1);
RetryPolicy {
max_attempts,
backoff: BackoffConfig::default(),
}
}
// --- Fidelity resolution (spec 5.4) ---
/// Resolve the context fidelity for a node, following the precedence:
/// 1. Incoming edge `fidelity` attribute
/// 2. Target node `fidelity` attribute
/// 3. Graph `default_fidelity` attribute
/// 4. Default: Compact
#[must_use]
pub fn resolve_fidelity(
incoming_edge: Option<&Edge>,
node: &Node,
graph: &Graph,
) -> context::keys::Fidelity {
let (resolved, source) = if let Some(f) = incoming_edge
.and_then(|e| e.fidelity())
.and_then(|s| s.parse().ok())
{
(f, "edge")
} else if let Some(f) = node.fidelity().and_then(|s| s.parse().ok()) {
(f, "node")
} else if let Some(f) = graph.default_fidelity().and_then(|s| s.parse().ok()) {
(f, "graph")
} else {
(context::keys::Fidelity::default(), "default")
};
tracing::debug!(
node = %node.id,
fidelity = %resolved,
source = source,
"Fidelity resolved"
);
resolved
}
// --- Thread ID resolution (spec 5.4) ---
/// Resolve the thread ID for a node, following the precedence (spec lines 1196-1204):
/// 1. Target node `thread_id` attribute
/// 2. Incoming edge `thread_id` attribute
/// 3. Graph-level default thread
/// 4. Derived class from enclosing subgraph (first class from the node's classes list)
/// 5. Fallback to previous node ID
#[must_use]
pub fn resolve_thread_id(
incoming_edge: Option<&Edge>,
node: &Node,
graph: &Graph,
previous_node_id: Option<&str>,
) -> Option<String> {
// Step 1: Node thread_id
if let Some(tid) = node.thread_id() {
return Some(tid.to_string());
}
// Step 2: Edge thread_id
if let Some(edge) = incoming_edge {
if let Some(tid) = edge.thread_id() {
return Some(tid.to_string());
}
}
// Step 3: Graph-level default thread
if let Some(tid) = graph.default_thread() {
return Some(tid.to_string());
}
// Step 4: Derived class from enclosing subgraph
if let Some(first_class) = node.classes.first() {
return Some(first_class.clone());
}
// Step 5: Fallback to previous node ID
previous_node_id.map(String::from)
}
// --- Run directory helpers (spec 5.6) ---
/// Write manifest.json at the start of a workflow run. Returns the manifest.
fn write_manifest(
logs_root: &Path,
graph: &Graph,
config: &RunConfig,
) -> crate::manifest::Manifest {
let workflow_name = if graph.name.is_empty() {
"unnamed".to_string()
} else {
graph.name.clone()
};
let manifest = crate::manifest::Manifest {
run_id: config.run_id.clone(),
workflow_name,
goal: graph.goal().to_string(),
start_time: Utc::now(),
node_count: graph.nodes.len(),
edge_count: graph.edges.len(),
run_branch: config.run_branch.clone(),
base_sha: config.base_sha.clone(),
labels: config.labels.clone(),
};
let _ = std::fs::create_dir_all(logs_root);
let _ = manifest.save(&logs_root.join("manifest.json"));
manifest
}
/// Return the directory for a node's logs.
///
/// First visit (`visit <= 1`): `{logs_root}/nodes/{node_id}`
/// Subsequent visits: `{logs_root}/nodes/{node_id}-visit_{visit}`
pub fn node_dir(logs_root: &Path, node_id: &str, visit: usize) -> PathBuf {
if visit <= 1 {
logs_root.join("nodes").join(node_id)
} else {
logs_root
.join("nodes")
.join(format!("{node_id}-visit_{visit}"))
}
}
/// Read the visit count from context, defaulting to 1 if not set.
pub fn visit_from_context(context: &Context) -> usize {
context.node_visit_count()
}
/// Write status.json for a completed node into {`logs_root}/nodes/{node_id}/status.json`.
fn write_node_status(logs_root: &Path, node_id: &str, visit: usize, outcome: &Outcome) {
let node_dir = node_dir(logs_root, node_id, visit);
let _ = std::fs::create_dir_all(&node_dir);
let status = serde_json::json!({
"status": outcome.status.to_string(),
"notes": outcome.notes,
"failure_reason": outcome.failure_reason(),
"timestamp": Utc::now().to_rfc3339(),
});
if let Ok(json) = serde_json::to_string_pretty(&status) {
let _ = std::fs::write(node_dir.join("status.json"), json);
}
}
// --- Edge selection ---
/// Normalize a label for comparison: lowercase, trim, strip accelerator prefixes.
/// Patterns: "[Y] ", "Y) ", "Y - "
fn normalize_label(label: &str) -> String {
let s = label.trim().to_lowercase();
// Strip "[X] " prefix
if s.starts_with('[') {
if let Some(rest) = s
.strip_prefix('[')
.and_then(|s| s.find(']').map(|i| s[i + 1..].trim_start().to_string()))
{
return rest;
}
}
// Strip "X) " prefix
if s.len() >= 2 {
let bytes = s.as_bytes();
if bytes.get(1) == Some(&b')') {
return s[2..].trim_start().to_string();
}
}
// Strip "X - " prefix
if s.len() >= 3 {
if let Some(rest) = s.get(1..).and_then(|r| r.strip_prefix(" - ")) {
return rest.to_string();
}
}
s
}
/// Pick the best edge by highest weight, then lexical target node ID tiebreak.
fn best_by_weight_then_lexical<'a>(edges: &[&'a Edge]) -> Option<&'a Edge> {
if edges.is_empty() {
return None;
}
let mut best = edges[0];
for &edge in &edges[1..] {
if edge.weight() > best.weight() || (edge.weight() == best.weight() && edge.to < best.to) {
best = edge;
}
}
Some(best)
}
/// Select the next edge from a node's outgoing edges (spec Section 3.3).
#[must_use]
pub fn select_edge<'a>(
node_id: &str,
outcome: &Outcome,
context: &Context,
graph: &'a Graph,
) -> Option<&'a Edge> {
let edges = graph.outgoing_edges(node_id);
if edges.is_empty() {
return None;
}
// Step 1: Condition matching
let condition_matched: Vec<&Edge> = edges
.iter()
.filter(|e| {
e.condition()
.is_some_and(|c| !c.is_empty() && evaluate_condition(c, outcome, context))
})
.copied()
.collect();
if !condition_matched.is_empty() {
return best_by_weight_then_lexical(&condition_matched);
}
// Step 2: Preferred label match
if let Some(pref) = &outcome.preferred_label {
let normalized_pref = normalize_label(pref);
for edge in &edges {
if let Some(label) = edge.label() {
if normalize_label(label) == normalized_pref {
return Some(edge);
}
}
}
}
// Step 3: Suggested next IDs
for suggested_id in &outcome.suggested_next_ids {
for edge in &edges {
if edge.to == *suggested_id {
return Some(edge);
}
}
}
// Step 4 & 5: Weight with lexical tiebreak (unconditional edges only)
let unconditional: Vec<&Edge> = edges
.iter()
.filter(|e| e.condition().is_none_or(str::is_empty))
.copied()
.collect();
if !unconditional.is_empty() {
return best_by_weight_then_lexical(&unconditional);
}
// Fallback: any edge
best_by_weight_then_lexical(&edges)
}
// --- Goal gate enforcement ---
/// Check if all goal gates have been satisfied.
/// Returns Ok(()) if all gates passed, or Err with the failed node ID.
fn check_goal_gates(
graph: &Graph,
node_outcomes: &HashMap<String, Outcome>,
) -> std::result::Result<(), String> {
for (node_id, outcome) in node_outcomes {
if let Some(node) = graph.nodes.get(node_id) {
if node.goal_gate()
&& outcome.status != StageStatus::Success
&& outcome.status != StageStatus::PartialSuccess
{
return Err(node_id.clone());
}
}
}
Ok(())
}
/// Resolve the retry target for a failed goal gate node.
fn get_retry_target(failed_node_id: &str, graph: &Graph) -> Option<String> {
if let Some(node) = graph.nodes.get(failed_node_id) {
// Node-level retry_target
if let Some(target) = node.retry_target() {
if graph.nodes.contains_key(target) {
return Some(target.to_string());
}
}
// Node-level fallback_retry_target
if let Some(target) = node.fallback_retry_target() {
if graph.nodes.contains_key(target) {
return Some(target.to_string());
}
}
}
// Graph-level retry_target
if let Some(target) = graph.retry_target() {
if graph.nodes.contains_key(target) {
return Some(target.to_string());
}
}
// Graph-level fallback_retry_target
if let Some(target) = graph.fallback_retry_target() {
if graph.nodes.contains_key(target) {
return Some(target.to_string());
}
}
None
}
/// Check whether a node is a terminal (exit) node.
fn is_terminal(node: &Node) -> bool {
node.shape() == "Msquare" || node.handler_type() == Some("exit")
}
fn node_script(node: &Node) -> Option<String> {
node.attrs
.get("script")
.or_else(|| node.attrs.get("tool_command"))
.and_then(|v| v.as_str())
.map(String::from)
}
// --- Workflow run engine ---
/// Captured git state for a workflow run, shared with handlers.
#[derive(Debug, Clone)]
pub struct GitState {
pub mode: GitCheckpointMode,
pub run_id: String,
pub base_sha: String,
pub run_branch: Option<String>,
pub meta_branch: Option<String>,
pub checkpoint_exclude_globs: Vec<String>,
pub git_author: crate::git::GitAuthor,
}
/// How git checkpointing should be performed for a workflow run.
#[derive(Debug, Clone)]
pub enum GitCheckpointMode {
/// Run git commands on the host filesystem (local & Docker bind-mount).
Host(PathBuf),
/// Run git commands inside the remote sandbox via `exec_command`.
/// The `PathBuf` is the host repo path used for `MetadataStore` (shadow commits).
Remote(PathBuf),
}
/// Run a git checkpoint commit on the host filesystem (local/Docker bind-mount).
pub async fn git_checkpoint_host(
work_dir: PathBuf,
run_id: String,
node_id: String,
status: String,
completed_count: usize,
shadow_sha: Option<String>,
exclude_globs: Vec<String>,
author: crate::git::GitAuthor,
) -> Option<String> {
match tokio::task::spawn_blocking(move || {
crate::git::checkpoint_commit(
&work_dir,
&run_id,
&node_id,
&status,
completed_count,
shadow_sha.as_deref(),
&exclude_globs,
&author,
)
})
.await
{
Ok(Ok(sha)) => Some(sha),
Ok(Err(e)) => {
tracing::warn!(error = %e, "Git checkpoint commit failed");
None
}
Err(e) => {
tracing::warn!(error = %e, "Git checkpoint commit failed");
None
}
}
}
/// Run a git diff on the host filesystem.
async fn git_diff_host(work_dir: PathBuf, base: String) -> Option<String> {
match tokio::task::spawn_blocking(move || crate::git::diff_against(&work_dir, &base)).await {
Ok(Ok(patch)) => Some(patch),
Ok(Err(_)) | Err(_) => None,
}
}
pub const GIT_REMOTE: &str = "git -c maintenance.auto=0 -c gc.auto=0";
/// Run a git checkpoint commit inside a remote sandbox.
pub async fn git_checkpoint_remote(
sandbox: &dyn Sandbox,
run_id: &str,
node_id: &str,
status: &str,
completed_count: usize,
shadow_sha: Option<String>,
exclude_globs: &[String],
author: &crate::git::GitAuthor,
) -> Option<String> {
// Stage everything (with optional excludes)
let add_cmd = if exclude_globs.is_empty() {
format!("{GIT_REMOTE} add -A")
} else {
let pathspecs: Vec<String> = exclude_globs
.iter()
.map(|g| format!("':(glob,exclude){g}'"))
.collect();
format!("{GIT_REMOTE} add -A -- . {}", pathspecs.join(" "))
};
let add_result = sandbox
.exec_command(&add_cmd, 30_000, None, None, None)
.await;
if add_result.as_ref().map_or(true, |r| r.exit_code != 0) {
return None;
}
// Build commit message with trailers (same format as checkpoint_commit in git.rs)
let subject = format!("arc({run_id}): {node_id} ({status})");
let completed_str = completed_count.to_string();
let mut trailers = vec![
Trailer {
key: "Arc-Run",
value: run_id,
},
Trailer {
key: "Arc-Completed",
value: &completed_str,
},
];
let shadow_sha_ref = shadow_sha.as_deref().unwrap_or("");
if shadow_sha.is_some() {
trailers.push(Trailer {
key: "Arc-Checkpoint",
value: shadow_sha_ref,
});
}
let message = trailerlink::format_message(&subject, "", &trailers);
// Write message to temp file in sandbox to avoid shell escaping issues
if sandbox
.write_file("/tmp/arc-commit-msg", &message)
.await
.is_err()
{
return None;
}
// Commit with configured identity using the message file
let commit_cmd = format!(
"{GIT_REMOTE} -c user.name={name} -c user.email={email} commit --allow-empty -F /tmp/arc-commit-msg",
name = author.name,
email = author.email,
);
let commit_result = sandbox
.exec_command(&commit_cmd, 30_000, None, None, None)
.await;
if commit_result.as_ref().map_or(true, |r| r.exit_code != 0) {
return None;
}
// Get the new HEAD SHA
let sha_cmd = format!("{GIT_REMOTE} rev-parse HEAD");
let sha_result = sandbox
.exec_command(&sha_cmd, 10_000, None, None, None)
.await;
match sha_result {
Ok(r) if r.exit_code == 0 => Some(r.stdout.trim().to_string()),
_ => None,
}
}
/// Push the metadata branch from the host repo to origin (best-effort).
///
/// Authenticates via a GitHub App installation token so we don't depend
/// on the host's ambient git credentials.
async fn git_push_meta_host(
repo_path: PathBuf,
meta_branch: String,
github_app: Option<crate::github_app::GitHubAppCredentials>,
) {
let (origin_url, _) = match crate::daytona_sandbox::detect_repo_info(&repo_path) {
Ok(info) => info,
Err(e) => {
tracing::warn!(error = %e, "Cannot detect origin for metadata push");
return;
}
};
let https_url = crate::github_app::ssh_url_to_https(&origin_url);
let push_url = match &github_app {
Some(creds) => {
let (owner, repo) = match crate::github_app::parse_github_owner_repo(&https_url) {
Ok(pair) => pair,
Err(e) => {
tracing::warn!(error = %e, "Cannot parse GitHub URL for metadata push");
return;
}
};
match crate::github_app::resolve_clone_credentials(creds, &owner, &repo).await {
Ok((_, Some(token))) => {
https_url.replacen("https://", &format!("https://x-access-token:{token}@"), 1)
}
Ok(_) => {
tracing::warn!("No token returned for metadata push");
return;
}
Err(e) => {
tracing::warn!(error = %e, "Failed to get token for metadata push");
return;
}
}
}
None => {
tracing::warn!("No GitHub App credentials for metadata push");
return;
}
};
// The metadata branch is stored locally as a custom ref (e.g. refs/arc/{run_id}).
// Push it to a normal branch on the remote (refs/heads/arc/meta/{run_id})
// since GitHub rejects branch names starting with "refs/".
let local_ref = meta_branch.clone();
let run_id_part = local_ref.strip_prefix("refs/arc/").unwrap_or(&local_ref);
let refname = format!("{local_ref}:refs/heads/arc/meta/{run_id_part}");
let rp = repo_path.clone();
let result = tokio::time::timeout(
std::time::Duration::from_secs(60),
tokio::task::spawn_blocking(move || crate::git::push_ref(&rp, &push_url, &refname)),
)
.await;
match result {
Ok(Ok(Ok(()))) => tracing::info!(meta_branch, "Pushed metadata branch to origin"),
Ok(Ok(Err(e))) => tracing::warn!(error = %e, "Failed to push metadata branch"),
Ok(Err(e)) => tracing::warn!(error = %e, "Metadata branch push task panicked"),
Err(_) => tracing::warn!("Metadata branch push timed out after 60s"),
}
}
/// Push the run branch to origin inside a remote sandbox (best-effort).
async fn git_push_remote(sandbox: &dyn Sandbox, branch: &str) {
if let Err(e) = sandbox.refresh_push_credentials().await {
tracing::warn!(error = %e, "Failed to refresh push credentials");
}
let cmd = format!("{GIT_REMOTE} push origin {branch}");
match sandbox.exec_command(&cmd, 60_000, None, None, None).await {
Ok(r) if r.exit_code == 0 => {
tracing::info!(branch, "Pushed run branch to origin");
}
Ok(r) => {
tracing::warn!(branch, exit_code = r.exit_code, "Failed to push run branch");
}
Err(e) => {
tracing::warn!(branch, error = %e, "Failed to push run branch");
}
}
}
/// Run a git diff inside a remote sandbox.
async fn git_diff_remote(sandbox: &dyn Sandbox, base: &str) -> Option<String> {
let cmd = format!("{GIT_REMOTE} diff {base} HEAD");
match sandbox.exec_command(&cmd, 30_000, None, None, None).await {
Ok(r) if r.exit_code == 0 => Some(r.stdout),
_ => None,
}
}
// --- Remote worktree helpers (for Daytona / sandbox environments) ---
/// Create a branch at a specific SHA inside a remote sandbox.
pub async fn git_create_branch_at_remote(sandbox: &dyn Sandbox, name: &str, sha: &str) -> bool {
let cmd = format!("{GIT_REMOTE} branch --force {name} {sha}");
matches!(
sandbox.exec_command(&cmd, 30_000, None, None, None).await,
Ok(r) if r.exit_code == 0
)
}
/// Add a git worktree inside a remote sandbox.
pub async fn git_add_worktree_remote(sandbox: &dyn Sandbox, path: &str, branch: &str) -> bool {
let cmd = format!("{GIT_REMOTE} worktree add {path} {branch}");
matches!(
sandbox.exec_command(&cmd, 30_000, None, None, None).await,
Ok(r) if r.exit_code == 0
)
}
/// Remove a git worktree inside a remote sandbox.
pub async fn git_remove_worktree_remote(sandbox: &dyn Sandbox, path: &str) -> bool {
let cmd = format!("{GIT_REMOTE} worktree remove --force {path}");
matches!(
sandbox.exec_command(&cmd, 30_000, None, None, None).await,
Ok(r) if r.exit_code == 0
)
}
/// Fast-forward merge to a given SHA inside a remote sandbox.
pub async fn git_merge_ff_only_remote(sandbox: &dyn Sandbox, sha: &str) -> bool {
let cmd = format!("{GIT_REMOTE} merge --ff-only {sha}");
matches!(
sandbox.exec_command(&cmd, 30_000, None, None, None).await,
Ok(r) if r.exit_code == 0
)
}
/// Get the current HEAD SHA from a remote sandbox.
pub async fn git_head_sha_remote(sandbox: &dyn Sandbox) -> Option<String> {
let cmd = format!("{GIT_REMOTE} rev-parse HEAD");
match sandbox.exec_command(&cmd, 10_000, None, None, None).await {
Ok(r) if r.exit_code == 0 => Some(r.stdout.trim().to_string()),
_ => None,
}
}
/// Remove any stale worktree at `path` (best-effort), then add a fresh one.
pub async fn git_replace_worktree_remote(sandbox: &dyn Sandbox, path: &str, branch: &str) -> bool {
let _ = git_remove_worktree_remote(sandbox, path).await;
git_add_worktree_remote(sandbox, path, branch).await
}
/// Configuration for a workflow run.
pub struct RunConfig {
pub logs_root: PathBuf,
pub cancel_token: Option<Arc<AtomicBool>>,
pub dry_run: bool,
/// Unique identifier for this workflow run.
pub run_id: String,
/// Git checkpoint mode (None = no checkpointing).
pub git_checkpoint: Option<GitCheckpointMode>,
/// SHA of the commit the worktree branched from.
pub base_sha: Option<String>,
/// Git branch name for the run (e.g. `arc/run/{run_id}`).
pub run_branch: Option<String>,
/// Metadata branch name for git-native checkpoint storage (e.g. `refs/arc/{run_id}`).
pub meta_branch: Option<String>,
/// User-defined key-value labels for this run.
pub labels: HashMap<String, String>,
/// Glob patterns to exclude from git checkpoint staging.
#[allow(clippy::struct_field_names)]
pub checkpoint_exclude_globs: Vec<String>,
/// GitHub App credentials for pushing metadata branches to origin.
pub github_app: Option<crate::github_app::GitHubAppCredentials>,
/// Git author identity for checkpoint commits.
pub git_author: crate::git::GitAuthor,
}
/// The workflow run execution engine.
pub struct WorkflowRunEngine {
services: EngineServices,
pub interviewer: Option<Arc<dyn Interviewer>>,
}
impl WorkflowRunEngine {
#[must_use]
pub fn new(
registry: HandlerRegistry,
emitter: Arc<EventEmitter>,
sandbox: Arc<dyn Sandbox>,
) -> Self {
Self {
services: EngineServices {
registry: Arc::new(registry),
emitter,
sandbox,
git_state: std::sync::RwLock::new(None),
hook_runner: None,
env: HashMap::new(),
},
interviewer: None,
}
}
/// Create a child engine that shares a parent's `Arc` services (registry, emitter, env).
#[must_use]
pub fn from_services(services: &EngineServices) -> Self {
Self {
services: EngineServices {
registry: Arc::clone(&services.registry),
emitter: Arc::clone(&services.emitter),
sandbox: Arc::clone(&services.sandbox),
git_state: std::sync::RwLock::new(None),
hook_runner: services.hook_runner.clone(),
env: services.env.clone(),
},
interviewer: None,
}
}
/// Create a new engine with an interviewer for `inform()` callbacks.
#[must_use]
pub fn with_interviewer(
registry: HandlerRegistry,
emitter: Arc<EventEmitter>,
interviewer: Arc<dyn Interviewer>,
sandbox: Arc<dyn Sandbox>,
) -> Self {
Self {
services: EngineServices {
registry: Arc::new(registry),
emitter,
sandbox,
git_state: std::sync::RwLock::new(None),
hook_runner: None,
env: HashMap::new(),
},
interviewer: Some(interviewer),
}
}
/// Set the hook runner for lifecycle hooks.
pub fn set_hook_runner(&mut self, runner: Arc<HookRunner>) {
self.services.hook_runner = Some(runner);
}
/// Set environment variables from `[sandbox.env]` config.
pub fn set_env(&mut self, env: HashMap<String, String>) {
self.services.env = env;
}
/// Run lifecycle hooks and return the merged decision.
/// Returns `Proceed` if no hook runner is configured.
async fn run_hooks(&self, hook_context: &HookContext, work_dir: Option<&Path>) -> HookDecision {
let Some(ref runner) = self.services.hook_runner else {
return HookDecision::Proceed;
};
runner
.run(hook_context, self.services.sandbox.clone(), work_dir)
.await
}
/// Fire a non-blocking RunFailed hook.
async fn run_failed_hook(
&self,
run_id: &str,
workflow_name: &str,
error: &ArcError,
work_dir: Option<&Path>,
) {
let mut hook_ctx = HookContext::new(
HookEvent::RunFailed,
run_id.to_string(),
workflow_name.to_string(),
);
hook_ctx.failure_reason = Some(error.to_string());
let _ = self.run_hooks(&hook_ctx, work_dir).await;
}
/// Mirror graph-level attributes into the context.
fn mirror_graph_attributes(graph: &Graph, context: &Context) {
if !graph.goal().is_empty() {
context.set(context::keys::GRAPH_GOAL, serde_json::json!(graph.goal()));
}
for (key, val) in &graph.attrs {
context.set(
context::keys::graph_attr_key(key),
serde_json::json!(val.to_string_value()),
);
}
}
/// Execute a node handler with retry policy.
/// Returns `(outcome, attempts_used)` where `attempts_used` is the 1-indexed count.
#[allow(clippy::too_many_arguments)]
async fn execute_with_retry(
&self,
node: &Node,
context: &Context,
graph: &Graph,
logs_root: &Path,
policy: &RetryPolicy,
stage_index: usize,
visit: usize,
) -> Result<(Outcome, u32)> {
let handler = self.services.registry.resolve(node);
let node_timeout = node.timeout();
for attempt in 1..=policy.max_attempts {
// Take baseline asset snapshot before handler execution
let baseline = match asset_snapshot::snapshot(self.services.sandbox.as_ref()).await {
Ok(fp) => fp,
Err(e) => {
tracing::warn!(node = %node.id, error = %e, "Asset baseline snapshot failed");
std::collections::HashMap::new()
}
};
// Floor to integer seconds: macOS stat reports mtime as integer seconds,
// so a fractional epoch would reject files created in the same second.
let command_start_epoch = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.map(|d| d.as_secs() as f64)
.unwrap_or(0.0);
// Gap #11: Panic safety -- catch panics from handler execution
let result = {
let future = handler.execute(node, context, graph, logs_root, &self.services);
let panic_safe = AssertUnwindSafe(future).catch_unwind();
// Gap #2: Timeout enforcement -- wrap with tokio::time::timeout
let timed_result = if let Some(duration) = node_timeout {
match tokio::time::timeout(duration, panic_safe).await {
Ok(inner) => inner,
Err(_elapsed) => Ok(Ok(Outcome::fail_classify(format!(
"handler timed out after {}ms",
duration.as_millis()
)))),
}
} else {
panic_safe.await
};
match timed_result {
Ok(r) => r,
Err(panic_payload) => {
let msg = if let Some(s) = panic_payload.downcast_ref::<&str>() {
format!("handler panicked: {s}")
} else if let Some(s) = panic_payload.downcast_ref::<String>() {
format!("handler panicked: {s}")
} else {
"handler panicked".to_string()
};
let panic_dir = node_dir(logs_root, &node.id, visit);
let _ = std::fs::create_dir_all(&panic_dir);
let _ = std::fs::write(panic_dir.join("panic.txt"), &msg);
Err(ArcError::handler(msg))
}
}
};
// Collect assets after handler completes (both success and error)
{
let node_slug = if visit <= 1 {
node.id.clone()
} else {
format!("{}-visit_{visit}", node.id)
};
let assets_dir = logs_root
.join("artifacts")
.join("assets")
.join(&node_slug)
.join(format!("retry_{attempt}"));
match asset_snapshot::collect_assets(
self.services.sandbox.as_ref(),
&assets_dir,
&baseline,
command_start_epoch,
)
.await
{
Ok(summary) if summary.files_copied > 0 => {
self.services
.emitter
.emit(&WorkflowRunEvent::AssetsCaptured {
node_id: node.id.clone(),
files_copied: summary.files_copied,
total_bytes: summary.total_bytes,
files_skipped: summary.files_skipped,
});
}
Ok(_) => {}
Err(e) => {
tracing::warn!(
node = %node.id,
error = %e,
"Asset collection failed"
);
}
}
}
let outcome = match result {
Ok(o) => o,
Err(e) => {
// Gap #7: Check should_retry predicate before retrying
if attempt < policy.max_attempts && handler.should_retry(&e) {
let delay = policy.backoff.delay_for_attempt(attempt);
self.services.emitter.emit(&WorkflowRunEvent::StageFailed {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
failure: crate::outcome::FailureDetail {
message: e.to_string(),
failure_class: e.failure_class(),
failure_signature: e.failure_signature_hint(),
},
will_retry: true,
});
self.services
.emitter
.emit(&WorkflowRunEvent::StageRetrying {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
attempt: usize::try_from(attempt).unwrap_or(usize::MAX),
max_attempts: usize::try_from(policy.max_attempts)
.unwrap_or(usize::MAX),
delay_ms: millis_u64(delay),
});
tokio::time::sleep(delay).await;
continue;
}
return Ok((e.to_fail_outcome(), attempt));
}
};
match outcome.status {
StageStatus::Success
| StageStatus::PartialSuccess
| StageStatus::Fail
| StageStatus::Skipped => {
return Ok((outcome, attempt));
}
StageStatus::Retry => {
if attempt < policy.max_attempts {
let delay = policy.backoff.delay_for_attempt(attempt);
self.services
.emitter
.emit(&WorkflowRunEvent::StageRetrying {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
attempt: usize::try_from(attempt).unwrap_or(usize::MAX),
max_attempts: usize::try_from(policy.max_attempts)
.unwrap_or(usize::MAX),
delay_ms: millis_u64(delay),
});
tokio::time::sleep(delay).await;
continue;
}
if node.allow_partial() {
return Ok((
Outcome {
status: StageStatus::PartialSuccess,
notes: Some("retries exhausted, partial accepted".to_string()),
..Outcome::success()
},
attempt,
));
}
return Ok((Outcome::fail_classify("max retries exceeded"), attempt));
}
}
}
Ok((
Outcome::fail_classify("max retries exceeded"),
policy.max_attempts,
))
}
/// Run the workflow. Returns the final outcome.
///
/// # Errors
///
/// Returns an error if no start node is found, a node is missing, or a goal gate fails
/// without a retry target.
pub async fn run(&self, graph: &Graph, config: &RunConfig) -> Result<Outcome> {
let (outcome, _context) = self
.run_internal(graph, config, None, None, None, LoopState::default())
.await?;
Ok(outcome)
}
/// Run a workflow seeded with an existing context. Returns both the outcome
/// and the final context so the caller can diff changes.
pub async fn run_with_context(
&self,
graph: &Graph,
config: &RunConfig,
seed_context: Context,
) -> Result<(Outcome, Context)> {
self.run_internal(
graph,
config,
None,
None,
Some(seed_context),
LoopState::default(),
)
.await
}
/// Resume from a checkpoint. Restores context, completed nodes, and continues
/// execution from the node after the checkpoint's `current_node`.
///
/// # Errors
///
/// Returns an error if the checkpoint's current node is not found or execution fails.
pub async fn run_from_checkpoint(
&self,
graph: &Graph,
config: &RunConfig,
checkpoint: &Checkpoint,
) -> Result<Outcome> {
let loop_state = LoopState {
node_visits: HashMap::new(),
loop_failure_signatures: checkpoint.loop_failure_signatures.clone(),
restart_failure_signatures: checkpoint.restart_failure_signatures.clone(),
};
let (outcome, _context) = self
.run_internal(graph, config, Some(checkpoint), None, None, loop_state)
.await?;
Ok(outcome)
}
/// Internal run implementation supporting optional checkpoint resume and `start_at` override.
async fn run_internal(
&self,
graph: &Graph,
config: &RunConfig,
resume_checkpoint: Option<&Checkpoint>,
start_at: Option<&str>,
seed_context: Option<Context>,
mut loop_state: LoopState,
) -> Result<(Outcome, Context)> {
let run_start = Instant::now();
let run_id = config.run_id.clone();
let artifact_store = ArtifactStore::new(Some(config.logs_root.clone()));
// Populate git_state for handlers (parallel, fan_in) when checkpointing is active
let git_state = match (&config.git_checkpoint, &config.base_sha) {
(Some(mode), Some(base_sha)) => Some(Arc::new(GitState {
mode: mode.clone(),
run_id: run_id.clone(),
base_sha: base_sha.clone(),
run_branch: config.run_branch.clone(),
meta_branch: config.meta_branch.clone(),
checkpoint_exclude_globs: config.checkpoint_exclude_globs.clone(),
git_author: config.git_author.clone(),
})),
_ => None,
};
self.services.set_git_state(git_state);
self.services
.emitter
.emit(&WorkflowRunEvent::WorkflowRunStarted {
name: graph.name.clone(),
run_id: run_id.clone(),
base_sha: config.base_sha.clone(),
run_branch: config.run_branch.clone(),
worktree_dir: match config.git_checkpoint {
Some(GitCheckpointMode::Host(ref p)) => Some(p.display().to_string()),
_ => None,
},
});
// Resolve work_dir from config for hooks
let hook_work_dir: Option<PathBuf> = match config.git_checkpoint {
Some(GitCheckpointMode::Host(ref p)) => Some(p.clone()),
_ => None,
};
// RunStart hook (blocking — can prevent run)
{
let hook_ctx =
HookContext::new(HookEvent::RunStart, run_id.clone(), graph.name.clone());
let decision = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
if let HookDecision::Block { reason } = decision {
let msg = reason.unwrap_or_else(|| "blocked by RunStart hook".into());
return Err(ArcError::engine(msg));
}
}
// Write manifest.json (spec 5.6)
let manifest = write_manifest(&config.logs_root, graph, config);
// Initialize metadata branch for git-native checkpoint storage (best-effort)
if config.meta_branch.is_some() {
let store_path = match config.git_checkpoint {
Some(GitCheckpointMode::Host(ref p)) | Some(GitCheckpointMode::Remote(ref p)) => {
Some(p)
}
None => None,
};
if let Some(repo_path) = store_path {
let store = crate::git::MetadataStore::new(repo_path, &config.git_author);
let manifest_bytes = serde_json::to_vec_pretty(&manifest).unwrap_or_default();
let dot_source =
std::fs::read(config.logs_root.join("graph.dot")).unwrap_or_default();
if let Err(e) = store.init_run(&config.run_id, &manifest_bytes, &dot_source) {
tracing::warn!(run_id = %config.run_id, error = %e, "Metadata branch init failed");
}
}
}
// Compute effective max-node-visits limit:
// graph attr > 0 → use it; else dry_run → 10; else 0 (disabled)
let graph_limit = graph.max_node_visits();
let graph_max_node_visits: usize = if graph_limit > 0 {
usize::try_from(graph_limit).unwrap_or(usize::MAX)
} else if config.dry_run {
10
} else {
0
};
// Gap #4: Initialize from checkpoint, start_at, or fresh
let context;
let mut completed_nodes: Vec<String>;
let mut node_outcomes: HashMap<String, Outcome> = HashMap::new();
let mut node_retries: HashMap<String, u32> = HashMap::new();
let mut stage_index: usize;
let mut current_node_id: String;
let mut incoming_edge: Option<&Edge> = None;
let mut previous_node_id: Option<String> = None;
// Gap #6: Track whether fidelity should be degraded on the first resumed node
let mut degrade_fidelity_on_resume = false;
let mut last_git_sha: Option<String> = None;
if let Some(cp) = resume_checkpoint {
// Restore context from checkpoint
context = Context::new();
for (key, value) in &cp.context_values {
context.set(key.clone(), value.clone());
}
for log_entry in &cp.logs {
context.append_log(log_entry.clone());
}
completed_nodes = cp.completed_nodes.clone();
// Rebuild visit counts from completed_nodes (which records every visit)
for id in &completed_nodes {
*loop_state.node_visits.entry(id.clone()).or_insert(0) += 1;
}
// Gap #5: Restore retry counters from checkpoint
node_retries = cp.node_retries.clone();
// P1: Restore node outcomes for goal gate checks
node_outcomes = cp.node_outcomes.clone();
stage_index = completed_nodes.len();
// P1: Use stored next_node_id if available, otherwise fall back
if let Some(ref next_id) = cp.next_node_id {
current_node_id = next_id.clone();
} else {
let edges = graph.outgoing_edges(&cp.current_node);
if let Some(edge) = edges.first() {
current_node_id = edge.to.clone();
} else {
current_node_id = cp.current_node.clone();
}
}
// Gap #6: Check if the checkpointed node used full fidelity
if cp.context_values.get(context::keys::INTERNAL_FIDELITY)
== Some(&serde_json::json!(context::keys::Fidelity::Full.to_string()))
{
degrade_fidelity_on_resume = true;
}
} else if let Some(start) = start_at {
context = Context::new();
Self::mirror_graph_attributes(graph, &context);
completed_nodes = Vec::new();
stage_index = 0;
current_node_id = start.to_string();
} else {
context = seed_context.unwrap_or_default();
Self::mirror_graph_attributes(graph, &context);
completed_nodes = Vec::new();
stage_index = 0;
let start_node = graph
.find_start_node()
.ok_or_else(|| ArcError::engine("no start node found".to_string()))?;
current_node_id = start_node.id.clone();
}
// Store run_id and work_dir in context for handlers
context.set(context::keys::INTERNAL_RUN_ID, serde_json::json!(run_id));
if let Some(GitCheckpointMode::Host(ref wd)) = config.git_checkpoint {
context.set(
context::keys::INTERNAL_WORK_DIR,
serde_json::json!(wd.to_string_lossy().as_ref()),
);
}
// Stall watchdog: background task that cancels `stall_token` when no events
// have been emitted for longer than `stall_timeout`.
let stall_token = graph.stall_timeout().map(|timeout| {
let token = CancellationToken::new();
let shutdown = CancellationToken::new();
let check_interval = (timeout / 10)
.max(std::time::Duration::from_millis(50))
.min(std::time::Duration::from_secs(5));
self.services.emitter.touch();
let emitter = Arc::clone(&self.services.emitter);
let cancel = token.clone();
let stop = shutdown.clone();
tracing::debug!(
stall_timeout_ms = timeout.as_millis() as u64,
check_interval_ms = check_interval.as_millis() as u64,
"Stall watchdog started"
);
tokio::spawn(async move {
loop {
tokio::select! {
() = stop.cancelled() => break,
() = tokio::time::sleep(check_interval) => {
let last = emitter.last_event_at();
let now = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as i64;
if now - last >= timeout.as_millis() as i64 {
cancel.cancel();
break;
}
}
}
}
});
(token, shutdown)
});
let start_node_id = graph.find_start_node().map(|n| n.id.clone());
loop {
// Check for cancellation before processing each node
if let Some(ref token) = config.cancel_token {
if token.load(Ordering::Relaxed) {
return Err(ArcError::Cancelled);
}
}
let node = graph
.nodes
.get(&current_node_id)
.ok_or_else(|| ArcError::engine(format!("node not found: {current_node_id}")))?;
// Always track visit count (used for stage directory naming)
let count = loop_state
.node_visits
.entry(current_node_id.clone())
.or_insert(0);
*count += 1;
let node_limit = node
.max_visits()
.and_then(|v| usize::try_from(v).ok())
.filter(|&v| v > 0);
if let Some(limit) = node_limit {
if *count >= limit {
tracing::warn!(node = %current_node_id, visits = *count, limit, source = "node", "Node visit limit exceeded");
return Err(ArcError::engine(format!(
"node \"{}\" visited {count} times (node limit {limit}); run is stuck in a cycle",
current_node_id
)));
}
} else if graph_max_node_visits > 0 && *count >= graph_max_node_visits {
tracing::warn!(node = %current_node_id, visits = *count, limit = graph_max_node_visits, source = "graph", "Node visit limit exceeded");
return Err(ArcError::engine(format!(
"node \"{}\" visited {count} times (graph limit {graph_max_node_visits}); run is stuck in a cycle",
current_node_id
)));
}
// Step 1: Check for terminal node
if is_terminal(node) {
match check_goal_gates(graph, &node_outcomes) {
Ok(()) => {
self.services.emitter.emit(&WorkflowRunEvent::StageStarted {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
handler_type: node.handler_type().map(String::from),
script: node_script(node),
attempt: 1,
max_attempts: 1,
});
self.services
.emitter
.emit(&WorkflowRunEvent::StageCompleted {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
duration_ms: 0,
status: StageStatus::Success.to_string(),
preferred_label: None,
suggested_next_ids: vec![],
usage: None,
failure: None,
notes: None,
files_touched: vec![],
attempt: 1,
max_attempts: 1,
});
break;
}
Err(failed_node_id) => {
if let Some(retry_target) = get_retry_target(&failed_node_id, graph) {
current_node_id = retry_target;
continue;
}
let duration_ms = millis_u64(run_start.elapsed());
let error = ArcError::engine(format!(
"goal gate unsatisfied for node {failed_node_id} and no retry target"
));
self.services
.emitter
.emit(&WorkflowRunEvent::WorkflowRunFailed {
error: error.clone(),
duration_ms,
git_commit_sha: last_git_sha.clone(),
});
self.run_failed_hook(
&run_id,
&graph.name,
&error,
hook_work_dir.as_deref(),
)
.await;
return Ok((error.to_fail_outcome(), context));
}
}
}
// Resolve fidelity (spec 5.4) and store in context
let mut fidelity = resolve_fidelity(incoming_edge, node, graph);
// Gap #6: On the first node after resume, degrade full -> summary:high
if degrade_fidelity_on_resume {
let original = fidelity;
fidelity = fidelity.degraded();
if fidelity != original {
tracing::debug!(
node = %current_node_id,
from = %original,
to = %fidelity,
"Fidelity degraded on checkpoint resume"
);
}
}
degrade_fidelity_on_resume = false;
context.set(
context::keys::INTERNAL_FIDELITY,
serde_json::json!(fidelity.to_string()),
);
// Preamble injection at execution time (spec 5.4 / 8.3): synthesize a
// fidelity-appropriate preamble from runtime data for handlers to read
if fidelity == context::keys::Fidelity::Full {
context.set(context::keys::CURRENT_PREAMBLE, serde_json::json!(""));
} else {
let preamble =
build_preamble(fidelity, &context, graph, &completed_nodes, &node_outcomes);
context.set(context::keys::CURRENT_PREAMBLE, serde_json::json!(preamble));
}
// Thread context sharing: resolve thread ID and store in context for handlers
let resolved_thread_id =
resolve_thread_id(incoming_edge, node, graph, previous_node_id.as_deref());
if let Some(ref tid) = resolved_thread_id {
context.set(
context::keys::thread_current_node_key(tid),
serde_json::json!(&node.id),
);
context.set(context::keys::INTERNAL_THREAD_ID, serde_json::json!(tid));
} else {
context.set(context::keys::INTERNAL_THREAD_ID, serde_json::Value::Null);
}
// Step 2: Execute node handler with retry policy
let visit = *loop_state.node_visits.get(&current_node_id).unwrap_or(&1);
context.set(
context::keys::INTERNAL_NODE_VISIT_COUNT,
serde_json::json!(visit),
);
context.set(context::keys::CURRENT_NODE, serde_json::json!(&node.id));
let retry_policy = build_retry_policy(node, graph);
self.services.emitter.emit(&WorkflowRunEvent::StageStarted {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
handler_type: node.handler_type().map(String::from),
script: node_script(node),
attempt: 1,
max_attempts: usize::try_from(retry_policy.max_attempts).unwrap_or(usize::MAX),
});
// StageStart hook (blocking — can skip node)
{
let mut hook_ctx =
HookContext::new(HookEvent::StageStart, run_id.clone(), graph.name.clone());
hook_ctx.cwd = hook_work_dir.as_ref().map(|p| p.display().to_string());
hook_ctx.node_id = Some(node.id.clone());
hook_ctx.node_label = Some(node.label().to_string());
hook_ctx.handler_type = node.handler_type().map(String::from);
hook_ctx.attempt = Some(1);
hook_ctx.max_attempts =
Some(usize::try_from(retry_policy.max_attempts).unwrap_or(usize::MAX));
let decision = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
match decision {
HookDecision::Skip { reason } => {
let mut outcome = Outcome::skipped();
outcome.notes =
Some(reason.unwrap_or_else(|| "skipped by StageStart hook".into()));
completed_nodes.push(node.id.clone());
node_outcomes.insert(node.id.clone(), outcome);
previous_node_id = Some(node.id.clone());
stage_index += 1;
// Select next edge and continue
let edge = select_edge(&node.id, &Outcome::skipped(), &context, graph);
if let Some(e) = edge {
current_node_id = e.to.clone();
incoming_edge = Some(e);
} else {
break;
}
continue;
}
HookDecision::Block { reason } => {
let msg = reason.unwrap_or_else(|| "blocked by StageStart hook".into());
return Err(ArcError::engine(msg));
}
_ => {}
}
}
let stage_start = Instant::now();
let (mut outcome, attempts_used) = if let Some((ref token, _)) = stall_token {
tokio::select! {
result = self.execute_with_retry(
node, &context, graph, &config.logs_root, &retry_policy, stage_index, visit,
) => result?,
() = token.cancelled() => {
let idle_secs = graph.stall_timeout().map_or(0, |d| d.as_secs());
self.services.emitter.emit(&WorkflowRunEvent::StallWatchdogTimeout {
node: node.id.clone(),
idle_seconds: idle_secs,
});
return Err(ArcError::engine(format!(
"stall watchdog: node \"{}\" had no activity for {}s",
node.id, idle_secs,
)));
}
}
} else {
self.execute_with_retry(
node,
&context,
graph,
&config.logs_root,
&retry_policy,
stage_index,
visit,
)
.await?
};
// Gap #5: Track retry count per node
node_retries.insert(node.id.clone(), attempts_used);
context.set(
context::keys::retry_count_key(&node.id),
serde_json::json!(attempts_used),
);
// Gap #1: Auto status -- when auto_status=true and outcome is non-success,
// override to success with auto-status note
if node.auto_status() && outcome.status != StageStatus::Success {
outcome = Outcome {
status: StageStatus::Success,
notes: Some(
"auto-status: handler completed without writing status".to_string(),
),
..outcome
};
}
let stage_duration_ms = millis_u64(stage_start.elapsed());
let outcome_failure_class = classify_outcome(&outcome);
// Circuit breaker: track deterministic/structural failure signatures
let failure_sig = if let Some(fc) = outcome_failure_class {
let sig_hint = outcome
.failure
.as_ref()
.and_then(|f| f.failure_signature.as_deref());
let sig = FailureSignature::new(&node.id, fc, sig_hint, outcome.failure_reason());
if fc.is_signature_tracked() {
let count = loop_state
.loop_failure_signatures
.entry(sig.clone())
.or_insert(0);
*count += 1;
let limit = graph.loop_restart_signature_limit();
if *count >= limit {
return Err(ArcError::engine(format!(
"deterministic failure cycle detected: signature {sig} repeated {count} times (limit {limit})"
)));
}
}
Some(sig)
} else {
None
};
if outcome.status == StageStatus::Fail {
self.services.emitter.emit(&WorkflowRunEvent::StageFailed {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
failure: outcome.failure.clone().unwrap_or_else(|| {
crate::outcome::FailureDetail::new("unknown", FailureClass::Deterministic)
}),
will_retry: false,
});
// StageFailed hook (non-blocking)
{
let mut hook_ctx = HookContext::new(
HookEvent::StageFailed,
run_id.clone(),
graph.name.clone(),
);
hook_ctx.node_id = Some(node.id.clone());
hook_ctx.node_label = Some(node.label().to_string());
hook_ctx.handler_type = node.handler_type().map(String::from);
hook_ctx.status = Some("fail".into());
hook_ctx.failure_reason = outcome.failure_reason().map(String::from);
let _ = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
}
} else {
self.services
.emitter
.emit(&WorkflowRunEvent::StageCompleted {
node_id: node.id.clone(),
name: node.label().to_string(),
index: stage_index,
duration_ms: stage_duration_ms,
status: outcome.status.to_string(),
preferred_label: outcome.preferred_label.clone(),
suggested_next_ids: outcome.suggested_next_ids.clone(),
usage: outcome.usage.clone(),
failure: outcome.failure.clone(),
notes: outcome.notes.clone(),
files_touched: outcome.files_touched.clone(),
attempt: usize::try_from(attempts_used).unwrap_or(usize::MAX),
max_attempts: usize::try_from(retry_policy.max_attempts)
.unwrap_or(usize::MAX),
});
// StageComplete hook (non-blocking)
{
let mut hook_ctx = HookContext::new(
HookEvent::StageComplete,
run_id.clone(),
graph.name.clone(),
);
hook_ctx.node_id = Some(node.id.clone());
hook_ctx.node_label = Some(node.label().to_string());
hook_ctx.handler_type = node.handler_type().map(String::from);
hook_ctx.status = Some(outcome.status.to_string());
let _ = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
}
}
// Write per-node status.json (spec 5.6)
write_node_status(&config.logs_root, &node.id, visit, &outcome);
// Offload large context values to artifact store before recording
if let Err(e) = offload_large_values(&mut outcome.context_updates, &artifact_store) {
context.append_log(format!("artifact offload failed: {e}"));
}
// Sync artifact files to the sandbox (no-op for local envs)
if let Err(e) =
sync_artifacts_to_env(&mut outcome.context_updates, &*self.services.sandbox).await
{
context.append_log(format!("artifact sync failed: {e}"));
}
// Step 3: Record completion
completed_nodes.push(node.id.clone());
node_outcomes.insert(node.id.clone(), outcome.clone());
previous_node_id = Some(node.id.clone());
stage_index += 1;
// Step 4: Apply context updates from outcome
context.apply_updates(&outcome.context_updates);
context.set(
context::keys::OUTCOME,
serde_json::json!(outcome.status.to_string()),
);
context.set(
context::keys::FAILURE_CLASS,
serde_json::json!(outcome_failure_class.map_or(String::new(), |fc| fc.to_string())),
);
context.set(
context::keys::FAILURE_SIGNATURE,
serde_json::json!(failure_sig
.as_ref()
.map_or(String::new(), |s| s.to_string())),
);
if let Some(ref pref) = outcome.preferred_label {
context.set(context::keys::PREFERRED_LABEL, serde_json::json!(pref));
}
// Step 5: Select next edge (done before checkpoint so we can store next_node_id)
// If the handler specified a direct jump (e.g., parallel -> fan-in),
// bypass edge selection entirely.
let (next_edge, jump_target) = if let Some(ref target) = outcome.jump_to_node {
self.services.emitter.emit(&WorkflowRunEvent::EdgeSelected {
from_node: node.id.clone(),
to_node: target.clone(),
label: None,
condition: None,
});
(None, Some(target.clone()))
} else {
let edge = select_edge(&node.id, &outcome, &context, graph);
if let Some(e) = &edge {
self.services.emitter.emit(&WorkflowRunEvent::EdgeSelected {
from_node: node.id.clone(),
to_node: e.to.clone(),
label: e.label().map(String::from),
condition: e.condition().map(String::from),
});
}
(edge, None)
};
// EdgeSelected hook (blocking — can override routing)
let (next_edge, jump_target) = {
let edge_to = jump_target
.as_ref()
.cloned()
.or_else(|| next_edge.as_ref().map(|e| e.to.clone()));
if let Some(ref to) = edge_to {
let mut hook_ctx = HookContext::new(
HookEvent::EdgeSelected,
run_id.clone(),
graph.name.clone(),
);
hook_ctx.edge_from = Some(node.id.clone());
hook_ctx.edge_to = Some(to.clone());
hook_ctx.edge_label =
next_edge.as_ref().and_then(|e| e.label().map(String::from));
let decision = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
match decision {
HookDecision::Override {
edge_to: new_target,
} => {
// Redirect routing to the hook-specified target
(None, Some(new_target))
}
HookDecision::Block { reason } => {
let msg =
reason.unwrap_or_else(|| "blocked by EdgeSelected hook".into());
return Err(ArcError::engine(msg));
}
_ => (next_edge, jump_target),
}
} else {
(next_edge, jump_target)
}
};
let next_node_id_for_checkpoint = jump_target
.as_ref()
.cloned()
.or_else(|| next_edge.map(|e| e.to.clone()));
// Step 6: Save checkpoint with all state
let mut checkpoint = Checkpoint::from_context(
&context,
&node.id,
completed_nodes.clone(),
node_retries.clone(),
node_outcomes.clone(),
next_node_id_for_checkpoint,
loop_state.loop_failure_signatures.clone(),
loop_state.restart_failure_signatures.clone(),
);
let checkpoint_path = config.logs_root.join("checkpoint.json");
if let Err(e) = checkpoint.save(&checkpoint_path) {
context.append_log(format!("checkpoint save failed: {e}"));
} else {
self.services
.emitter
.emit(&WorkflowRunEvent::CheckpointSaved {
node_id: node.id.clone(),
});
// CheckpointSaved hook (non-blocking)
{
let mut hook_ctx = HookContext::new(
HookEvent::CheckpointSaved,
run_id.clone(),
graph.name.clone(),
);
hook_ctx.node_id = Some(node.id.clone());
let _ = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
}
}
// Step 6b: Write shadow branch first, then run branch commit with trailer
// Skip git checkpoint for the start node — it's a no-op, so the commit is always empty.
if start_node_id.as_deref() != Some(&*node.id) {
if let Some(ref mode) = config.git_checkpoint {
// Shadow commit (best-effort): extract repo path from either variant
let shadow_sha: Option<String> = if config.meta_branch.is_some() {
let repo_path = match mode {
GitCheckpointMode::Host(ref p) | GitCheckpointMode::Remote(ref p) => p,
};
let store = crate::git::MetadataStore::new(repo_path, &config.git_author);
serde_json::to_vec_pretty(&checkpoint)
.ok()
.and_then(|cp_json| {
let artifact_entries: Vec<(String, Vec<u8>)> = artifact_store
.list()
.iter()
.filter_map(|info| {
info.file_path.as_ref().and_then(|path| {
std::fs::read(path).ok().map(|data| {
(format!("artifacts/{}.json", info.id), data)
})
})
})
.collect();
let artifact_refs: Vec<(&str, &[u8])> = artifact_entries
.iter()
.map(|(k, v)| (k.as_str(), v.as_slice()))
.collect();
match store.write_checkpoint(
&config.run_id,
&cp_json,
&artifact_refs,
) {
Ok(sha) => Some(sha),
Err(e) => {
context.append_log(format!(
"metadata checkpoint write failed: {e}"
));
None
}
}
})
} else {
None
};
// Run branch commit with Arc-Meta trailer pointing to shadow commit
let rid = run_id.clone();
let nid = node.id.clone();
let status_str = outcome.status.to_string();
let completed_count = completed_nodes.len();
let commit_result = match mode {
GitCheckpointMode::Host(work_dir) => {
git_checkpoint_host(
work_dir.clone(),
rid,
nid,
status_str,
completed_count,
shadow_sha,
config.checkpoint_exclude_globs.clone(),
config.git_author.clone(),
)
.await
}
GitCheckpointMode::Remote(_) => {
git_checkpoint_remote(
&*self.services.sandbox,
&run_id,
&node.id,
&outcome.status.to_string(),
completed_count,
shadow_sha,
&config.checkpoint_exclude_globs,
&config.git_author,
)
.await
}
};
if let Some(sha) = commit_result {
checkpoint.git_commit_sha = Some(sha.clone());
if let Err(e) = checkpoint.save(&checkpoint_path) {
context.append_log(format!("checkpoint re-save with SHA failed: {e}"));
}
self.services
.emitter
.emit(&WorkflowRunEvent::GitCheckpoint {
run_id: run_id.clone(),
node_id: node.id.clone(),
status: outcome.status.to_string(),
git_commit_sha: sha.clone(),
});
// Push run branch and metadata branch to origin after remote checkpoint
if let GitCheckpointMode::Remote(ref host_repo) = mode {
if let Some(ref branch) = config.run_branch {
git_push_remote(&*self.services.sandbox, branch).await;
}
if let Some(ref meta_branch) = config.meta_branch {
git_push_meta_host(
host_repo.clone(),
meta_branch.clone(),
config.github_app.clone(),
)
.await;
}
}
// Save diff.patch for this stage
let prev = last_git_sha
.as_deref()
.or(config.base_sha.as_deref())
.unwrap_or(&sha);
let diff_base = prev.to_string();
let diff_dest =
node_dir(&config.logs_root, &node.id, visit).join("diff.patch");
let diff_result = match mode {
GitCheckpointMode::Host(work_dir) => {
git_diff_host(work_dir.clone(), diff_base).await
}
GitCheckpointMode::Remote(_) => {
git_diff_remote(&*self.services.sandbox, &diff_base).await
}
};
if let Some(patch) = diff_result {
if !patch.is_empty() {
let _ = std::fs::write(&diff_dest, patch);
}
} else {
context.append_log("git diff failed".to_string());
}
last_git_sha = Some(sha);
} else {
context.append_log("git checkpoint commit failed".to_string());
}
}
}
// Step 7: Follow selected edge (or direct jump)
if let Some(target) = jump_target {
incoming_edge = None;
current_node_id = target;
continue;
}
match next_edge {
None => {
// Gap #1: Failure routing -- when FAIL and no matching edge,
// check retry_target / fallback_retry_target before terminating
if outcome.status == StageStatus::Fail {
if let Some(retry_target) = get_retry_target(&node.id, graph) {
current_node_id = retry_target;
continue;
}
let duration_ms = millis_u64(run_start.elapsed());
let error = ArcError::engine(format!(
"stage {} failed with no outgoing fail edge",
node.id
));
self.services
.emitter
.emit(&WorkflowRunEvent::WorkflowRunFailed {
error: error.clone(),
duration_ms,
git_commit_sha: last_git_sha.clone(),
});
self.run_failed_hook(
&run_id,
&graph.name,
&error,
hook_work_dir.as_deref(),
)
.await;
return Err(error);
}
break;
}
Some(edge) => {
// Track incoming edge for fidelity resolution on the next node
incoming_edge = Some(edge);
// Gap #6: Handle loop_restart by recursively running from the target
if edge.loop_restart() {
// Guard: only transient_infra failures may loop_restart (matches Kilroy)
if let Some(fc) = outcome_failure_class {
if fc != FailureClass::TransientInfra {
return Err(ArcError::engine(format!(
"loop_restart blocked: failure_class={fc} (requires transient_infra), node={}, failure_reason={}",
node.id,
outcome.failure_reason().unwrap_or("none"),
)));
}
}
// Circuit breaker: check restart failure signatures
if let Some(ref sig) = failure_sig {
let count = loop_state
.restart_failure_signatures
.entry(sig.clone())
.or_insert(0);
*count += 1;
let limit = graph.loop_restart_signature_limit();
if *count >= limit {
return Err(ArcError::engine(format!(
"loop_restart circuit breaker: signature {sig} repeated {count} times (limit {limit})"
)));
}
}
self.services.emitter.emit(&WorkflowRunEvent::LoopRestart {
from_node: node.id.clone(),
to_node: edge.to.clone(),
});
return Box::pin(self.run_internal(
graph,
config,
None,
Some(&edge.to),
None,
loop_state,
))
.await;
}
current_node_id.clone_from(&edge.to);
}
}
}
// Shut down stall watchdog
if let Some((_, ref shutdown)) = stall_token {
shutdown.cancel();
}
let duration_ms = millis_u64(run_start.elapsed());
let total_cost: Option<f64> = {
let sum: f64 = node_outcomes
.values()
.filter_map(|o| o.usage.as_ref()?.cost)
.sum();
if sum > 0.0 {
Some(sum)
} else {
None
}
};
self.services
.emitter
.emit(&WorkflowRunEvent::WorkflowRunCompleted {
duration_ms,
artifact_count: artifact_store.list().len(),
total_cost,
final_git_commit_sha: last_git_sha.clone(),
});
// RunComplete hook (non-blocking)
{
let hook_ctx =
HookContext::new(HookEvent::RunComplete, run_id.clone(), graph.name.clone());
let _ = self.run_hooks(&hook_ctx, hook_work_dir.as_deref()).await;
}
// Write final.patch: comprehensive diff from base_sha to HEAD
if let (Some(ref mode), Some(ref base)) = (&config.git_checkpoint, &config.base_sha) {
let patch = match mode {
GitCheckpointMode::Host(work_dir) => {
git_diff_host(work_dir.clone(), base.clone()).await
}
GitCheckpointMode::Remote(_) => {
git_diff_remote(&*self.services.sandbox, base).await
}
};
if let Some(patch) = patch {
if !patch.is_empty() {
let _ = std::fs::write(config.logs_root.join("final.patch"), patch);
}
}
}
// Return last outcome, or success if no outcomes recorded
let last_outcome = node_outcomes
.get(completed_nodes.last().unwrap_or(&String::new()))
.cloned()
.unwrap_or_else(Outcome::success);
Ok((last_outcome, context))
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::graph::AttrValue;
use crate::handler::start::StartHandler;
use crate::handler::Handler as HandlerTrait;
use async_trait::async_trait;
use std::time::Duration;
fn local_env() -> Arc<dyn Sandbox> {
Arc::new(arc_agent::LocalSandbox::new(
std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")),
))
}
// --- Test-only handlers ---
/// Handler that always returns Fail.
struct AlwaysFailHandler;
#[async_trait]
impl HandlerTrait for AlwaysFailHandler {
async fn execute(
&self,
_node: &Node,
_context: &Context,
_graph: &Graph,
_logs_root: &Path,
_services: &crate::handler::EngineServices,
) -> std::result::Result<Outcome, ArcError> {
Ok(Outcome::fail_classify("always fails"))
}
}
/// Handler that sleeps for a configurable duration, then succeeds.
struct SlowHandler {
sleep_ms: u64,
}
#[async_trait]
impl HandlerTrait for SlowHandler {
async fn execute(
&self,
_node: &Node,
_context: &Context,
_graph: &Graph,
_logs_root: &Path,
_services: &crate::handler::EngineServices,
) -> std::result::Result<Outcome, ArcError> {
tokio::time::sleep(Duration::from_millis(self.sleep_ms)).await;
Ok(Outcome::success())
}
}
// --- BackoffConfig tests ---
#[test]
fn backoff_no_jitter_first_attempt() {
let config = BackoffConfig {
initial_delay_ms: 200,
backoff_factor: 2.0,
max_delay_ms: 60_000,
jitter: false,
};
let delay = config.delay_for_attempt(1);
assert_eq!(delay.as_millis(), 200);
}
#[test]
fn backoff_no_jitter_second_attempt() {
let config = BackoffConfig {
initial_delay_ms: 200,
backoff_factor: 2.0,
max_delay_ms: 60_000,
jitter: false,
};
let delay = config.delay_for_attempt(2);
assert_eq!(delay.as_millis(), 400);
}
#[test]
fn backoff_no_jitter_third_attempt() {
let config = BackoffConfig {
initial_delay_ms: 200,
backoff_factor: 2.0,
max_delay_ms: 60_000,
jitter: false,
};
let delay = config.delay_for_attempt(3);
assert_eq!(delay.as_millis(), 800);
}
#[test]
fn backoff_respects_max_delay() {
let config = BackoffConfig {
initial_delay_ms: 10_000,
backoff_factor: 10.0,
max_delay_ms: 30_000,
jitter: false,
};
let delay = config.delay_for_attempt(5);
assert_eq!(delay.as_millis(), 30_000);
}
#[test]
fn backoff_with_jitter_is_in_range() {
let config = BackoffConfig {
initial_delay_ms: 1000,
backoff_factor: 1.0,
max_delay_ms: 60_000,
jitter: true,
};
let delay = config.delay_for_attempt(1);
// With jitter factor 0.5..1.5, delay should be 500..1500
assert!(delay.as_millis() >= 500);
assert!(delay.as_millis() <= 1500);
}
#[test]
fn backoff_linear_factor() {
let config = BackoffConfig {
initial_delay_ms: 500,
backoff_factor: 1.0,
max_delay_ms: 60_000,
jitter: false,
};
assert_eq!(config.delay_for_attempt(1).as_millis(), 500);
assert_eq!(config.delay_for_attempt(2).as_millis(), 500);
assert_eq!(config.delay_for_attempt(3).as_millis(), 500);
}
// --- RetryPolicy preset tests ---
#[test]
fn retry_policy_none() {
let policy = RetryPolicy::none();
assert_eq!(policy.max_attempts, 1);
}
#[test]
fn retry_policy_standard() {
let policy = RetryPolicy::standard();
assert_eq!(policy.max_attempts, 5);
assert_eq!(policy.backoff.initial_delay_ms, 200);
}
#[test]
fn retry_policy_aggressive() {
let policy = RetryPolicy::aggressive();
assert_eq!(policy.max_attempts, 5);
assert_eq!(policy.backoff.initial_delay_ms, 500);
}
#[test]
fn retry_policy_linear() {
let policy = RetryPolicy::linear();
assert_eq!(policy.max_attempts, 3);
assert_eq!(policy.backoff.backoff_factor, 1.0);
}
#[test]
fn retry_policy_patient() {
let policy = RetryPolicy::patient();
assert_eq!(policy.max_attempts, 3);
assert_eq!(policy.backoff.initial_delay_ms, 2000);
}
// --- build_retry_policy tests ---
#[test]
fn build_retry_policy_from_node() {
let mut node = Node::new("n");
node.attrs
.insert("max_retries".to_string(), AttrValue::Integer(3));
let graph = Graph::new("test");
let policy = build_retry_policy(&node, &graph);
assert_eq!(policy.max_attempts, 4); // 3 retries + 1 initial
}
#[test]
fn build_retry_policy_from_graph_default() {
let node = Node::new("n");
let mut graph = Graph::new("test");
graph
.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(2));
let policy = build_retry_policy(&node, &graph);
assert_eq!(policy.max_attempts, 3); // 2 retries + 1 initial
}
#[test]
fn build_retry_policy_no_attrs_uses_graph_default_3() {
let node = Node::new("n");
let graph = Graph::new("test");
let policy = build_retry_policy(&node, &graph);
assert_eq!(policy.max_attempts, 4); // default_max_retry=3 + 1
}
#[test]
fn build_retry_policy_from_retry_policy_attr() {
let mut node = Node::new("n");
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String("aggressive".to_string()),
);
let graph = Graph::new("test");
let policy = build_retry_policy(&node, &graph);
assert_eq!(policy.max_attempts, 5);
assert_eq!(policy.backoff.initial_delay_ms, 500);
}
#[test]
fn build_retry_policy_fallback_when_no_retry_policy_attr() {
let mut node = Node::new("n");
node.attrs
.insert("max_retries".to_string(), AttrValue::Integer(3));
let graph = Graph::new("test");
let policy = build_retry_policy(&node, &graph);
assert_eq!(policy.max_attempts, 4); // 3 retries + 1 initial
// Should use default backoff, not a preset's backoff
assert_eq!(policy.backoff.initial_delay_ms, 200);
}
#[test]
fn build_retry_policy_all_presets() {
let presets = [
("none", 1u32),
("standard", 5),
("aggressive", 5),
("linear", 3),
("patient", 3),
];
let graph = Graph::new("test");
let (name, expected) = presets[0];
let mut node = Node::new("n");
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String(name.to_string()),
);
assert_eq!(build_retry_policy(&node, &graph).max_attempts, expected);
let (name, expected) = presets[1];
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String(name.to_string()),
);
assert_eq!(build_retry_policy(&node, &graph).max_attempts, expected);
let (name, expected) = presets[2];
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String(name.to_string()),
);
assert_eq!(build_retry_policy(&node, &graph).max_attempts, expected);
let (name, expected) = presets[3];
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String(name.to_string()),
);
assert_eq!(build_retry_policy(&node, &graph).max_attempts, expected);
let (name, expected) = presets[4];
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String(name.to_string()),
);
assert_eq!(build_retry_policy(&node, &graph).max_attempts, expected);
}
#[test]
fn build_retry_policy_unknown_preset_falls_back() {
let mut node = Node::new("n");
node.attrs.insert(
"retry_policy".to_string(),
AttrValue::String("unknown_preset".to_string()),
);
let graph = Graph::new("test");
let policy = build_retry_policy(&node, &graph);
// Unknown preset should fall back to graph default_max_retry=3
assert_eq!(policy.max_attempts, 4);
}
// --- normalize_label tests ---
#[test]
fn normalize_label_lowercase_and_trim() {
assert_eq!(normalize_label(" Yes "), "yes");
}
#[test]
fn normalize_label_strip_bracket_prefix() {
assert_eq!(normalize_label("[A] Approve"), "approve");
assert_eq!(normalize_label("[F] Fix"), "fix");
}
#[test]
fn normalize_label_strip_paren_prefix() {
assert_eq!(normalize_label("Y) Yes"), "yes");
}
#[test]
fn normalize_label_strip_dash_prefix() {
assert_eq!(normalize_label("Y - Yes"), "yes");
}
#[test]
fn normalize_label_plain() {
assert_eq!(normalize_label("next"), "next");
}
// --- best_by_weight_then_lexical tests ---
#[test]
fn best_by_weight_highest_wins() {
let e1 = Edge::new("a", "x");
let mut e2 = Edge::new("a", "y");
e2.attrs.insert("weight".to_string(), AttrValue::Integer(5));
let result = best_by_weight_then_lexical(&[&e1, &e2]).unwrap();
assert_eq!(result.to, "y");
}
#[test]
fn best_by_weight_lexical_tiebreak() {
let e1 = Edge::new("a", "beta");
let e2 = Edge::new("a", "alpha");
let result = best_by_weight_then_lexical(&[&e1, &e2]).unwrap();
assert_eq!(result.to, "alpha");
}
#[test]
fn best_by_weight_empty_returns_none() {
let result = best_by_weight_then_lexical(&[]);
assert!(result.is_none());
}
// --- select_edge tests ---
fn make_graph_with_edges(edges: Vec<Edge>) -> Graph {
let mut g = Graph::new("test");
for edge in &edges {
if !g.nodes.contains_key(&edge.from) {
g.nodes.insert(edge.from.clone(), Node::new(&edge.from));
}
if !g.nodes.contains_key(&edge.to) {
g.nodes.insert(edge.to.clone(), Node::new(&edge.to));
}
}
g.edges = edges;
g
}
#[test]
fn select_edge_no_edges() {
let g = Graph::new("test");
let outcome = Outcome::success();
let context = Context::new();
assert!(select_edge("a", &outcome, &context, &g).is_none());
}
#[test]
fn select_edge_single_unconditional() {
let g = make_graph_with_edges(vec![Edge::new("a", "b")]);
let outcome = Outcome::success();
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "b");
}
#[test]
fn select_edge_condition_match() {
let mut e1 = Edge::new("a", "fail_path");
e1.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=fail".to_string()),
);
let mut e2 = Edge::new("a", "success_path");
e2.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=success".to_string()),
);
let g = make_graph_with_edges(vec![e1, e2]);
let outcome = Outcome::success();
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "success_path");
}
#[test]
fn select_edge_preferred_label() {
let mut e1 = Edge::new("a", "approve");
e1.attrs.insert(
"label".to_string(),
AttrValue::String("[A] Approve".to_string()),
);
let mut e2 = Edge::new("a", "fix");
e2.attrs.insert(
"label".to_string(),
AttrValue::String("[F] Fix".to_string()),
);
let g = make_graph_with_edges(vec![e1, e2]);
let mut outcome = Outcome::success();
outcome.preferred_label = Some("Fix".to_string());
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "fix");
}
#[test]
fn select_edge_suggested_next_ids() {
let e1 = Edge::new("a", "path1");
let e2 = Edge::new("a", "path2");
let g = make_graph_with_edges(vec![e1, e2]);
let mut outcome = Outcome::success();
outcome.suggested_next_ids = vec!["path2".to_string()];
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "path2");
}
#[test]
fn select_edge_weight_tiebreak() {
let mut e1 = Edge::new("a", "low");
e1.attrs.insert("weight".to_string(), AttrValue::Integer(1));
let mut e2 = Edge::new("a", "high");
e2.attrs
.insert("weight".to_string(), AttrValue::Integer(10));
let g = make_graph_with_edges(vec![e1, e2]);
let outcome = Outcome::success();
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "high");
}
#[test]
fn select_edge_lexical_tiebreak() {
let e1 = Edge::new("a", "charlie");
let e2 = Edge::new("a", "alpha");
let g = make_graph_with_edges(vec![e1, e2]);
let outcome = Outcome::success();
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "alpha");
}
#[test]
fn select_edge_condition_beats_unconditional() {
let mut e_cond = Edge::new("a", "cond_path");
e_cond.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=success".to_string()),
);
let e_uncond = Edge::new("a", "uncond_path");
let g = make_graph_with_edges(vec![e_cond, e_uncond]);
let outcome = Outcome::success();
let context = Context::new();
let edge = select_edge("a", &outcome, &context, &g).unwrap();
assert_eq!(edge.to, "cond_path");
}
// --- check_goal_gates tests ---
#[test]
fn goal_gates_all_satisfied() {
let mut g = Graph::new("test");
let mut n = Node::new("work");
n.attrs
.insert("goal_gate".to_string(), AttrValue::Boolean(true));
g.nodes.insert("work".to_string(), n);
let mut outcomes = HashMap::new();
outcomes.insert("work".to_string(), Outcome::success());
assert!(check_goal_gates(&g, &outcomes).is_ok());
}
#[test]
fn goal_gates_partial_success_counts() {
let mut g = Graph::new("test");
let mut n = Node::new("work");
n.attrs
.insert("goal_gate".to_string(), AttrValue::Boolean(true));
g.nodes.insert("work".to_string(), n);
let mut outcomes = HashMap::new();
let mut o = Outcome::success();
o.status = StageStatus::PartialSuccess;
outcomes.insert("work".to_string(), o);
assert!(check_goal_gates(&g, &outcomes).is_ok());
}
#[test]
fn goal_gates_failed_returns_node_id() {
let mut g = Graph::new("test");
let mut n = Node::new("work");
n.attrs
.insert("goal_gate".to_string(), AttrValue::Boolean(true));
g.nodes.insert("work".to_string(), n);
let mut outcomes = HashMap::new();
outcomes.insert("work".to_string(), Outcome::fail_classify("test"));
assert_eq!(check_goal_gates(&g, &outcomes), Err("work".to_string()));
}
#[test]
fn goal_gates_non_gate_nodes_ignored() {
let mut g = Graph::new("test");
g.nodes.insert("work".to_string(), Node::new("work"));
let mut outcomes = HashMap::new();
outcomes.insert("work".to_string(), Outcome::fail_classify("test"));
assert!(check_goal_gates(&g, &outcomes).is_ok());
}
// --- get_retry_target tests ---
#[test]
fn retry_target_from_node() {
let mut g = Graph::new("test");
let mut n = Node::new("work");
n.attrs.insert(
"retry_target".to_string(),
AttrValue::String("plan".to_string()),
);
g.nodes.insert("work".to_string(), n);
g.nodes.insert("plan".to_string(), Node::new("plan"));
assert_eq!(get_retry_target("work", &g), Some("plan".to_string()));
}
#[test]
fn retry_target_from_fallback() {
let mut g = Graph::new("test");
let mut n = Node::new("work");
n.attrs.insert(
"fallback_retry_target".to_string(),
AttrValue::String("plan".to_string()),
);
g.nodes.insert("work".to_string(), n);
g.nodes.insert("plan".to_string(), Node::new("plan"));
assert_eq!(get_retry_target("work", &g), Some("plan".to_string()));
}
#[test]
fn retry_target_from_graph() {
let mut g = Graph::new("test");
g.nodes.insert("work".to_string(), Node::new("work"));
g.nodes.insert("plan".to_string(), Node::new("plan"));
g.attrs.insert(
"retry_target".to_string(),
AttrValue::String("plan".to_string()),
);
assert_eq!(get_retry_target("work", &g), Some("plan".to_string()));
}
#[test]
fn retry_target_none_when_missing() {
let mut g = Graph::new("test");
g.nodes.insert("work".to_string(), Node::new("work"));
assert!(get_retry_target("work", &g).is_none());
}
#[test]
fn retry_target_skips_nonexistent_node() {
let mut g = Graph::new("test");
let mut n = Node::new("work");
n.attrs.insert(
"retry_target".to_string(),
AttrValue::String("nonexistent".to_string()),
);
g.nodes.insert("work".to_string(), n);
// No "nonexistent" node -- should fall through to graph-level
assert!(get_retry_target("work", &g).is_none());
}
// --- is_terminal tests ---
#[test]
fn terminal_by_shape() {
let mut n = Node::new("exit");
n.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
assert!(is_terminal(&n));
}
#[test]
fn terminal_by_type() {
let mut n = Node::new("end");
n.attrs
.insert("type".to_string(), AttrValue::String("exit".to_string()));
assert!(is_terminal(&n));
}
#[test]
fn non_terminal_node() {
let n = Node::new("work");
assert!(!is_terminal(&n));
}
// --- WorkflowRunEngine integration tests ---
fn simple_graph() -> Graph {
let mut g = Graph::new("test_pipeline");
g.attrs.insert(
"goal".to_string(),
AttrValue::String("Run tests".to_string()),
);
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "exit"));
g
}
fn make_registry() -> HandlerRegistry {
use crate::handler::exit::ExitHandler;
let mut registry = HandlerRegistry::new(Box::new(StartHandler));
registry.register("start", Box::new(StartHandler));
registry.register("exit", Box::new(ExitHandler));
registry
}
#[tokio::test]
async fn engine_runs_simple_workflow() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
}
#[tokio::test]
async fn engine_saves_checkpoint() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let checkpoint_path = dir.path().join("checkpoint.json");
assert!(checkpoint_path.exists());
}
#[tokio::test]
async fn engine_emits_events() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let events = std::sync::Arc::new(std::sync::Mutex::new(Vec::new()));
let events_clone = events.clone();
let mut emitter = EventEmitter::new();
emitter.on_event(move |event| {
events_clone.lock().unwrap().push(format!("{event:?}"));
});
let engine = WorkflowRunEngine::new(make_registry(), Arc::new(emitter), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let collected = events.lock().unwrap();
// Should have: RunStarted, StageStarted (start), StageCompleted (start),
// CheckpointSaved, RunCompleted
assert!(collected.len() >= 4);
}
#[tokio::test]
async fn engine_error_when_no_start_node() {
let dir = tempfile::tempdir().unwrap();
let g = Graph::new("empty");
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
}
#[tokio::test]
async fn engine_mirrors_graph_goal_to_context() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
// Verify checkpoint has graph.goal mirrored
let cp = Checkpoint::load(&dir.path().join("checkpoint.json")).unwrap();
assert_eq!(
cp.context_values.get(context::keys::GRAPH_GOAL),
Some(&serde_json::json!("Run tests"))
);
}
#[tokio::test]
async fn engine_multi_node_workflow() {
let dir = tempfile::tempdir().unwrap();
let mut g = simple_graph();
// Insert a work node between start and exit
let work = Node::new("work");
g.nodes.insert("work".to_string(), work);
g.edges.clear();
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
// Checkpoint should show work was completed
let cp = Checkpoint::load(&dir.path().join("checkpoint.json")).unwrap();
assert!(cp.completed_nodes.contains(&"start".to_string()));
assert!(cp.completed_nodes.contains(&"work".to_string()));
}
#[tokio::test]
async fn engine_conditional_routing() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("cond_test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.nodes.insert("path_a".to_string(), Node::new("path_a"));
g.nodes.insert("path_b".to_string(), Node::new("path_b"));
// start -> path_a (condition: outcome=fail)
let mut e1 = Edge::new("start", "path_a");
e1.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=fail".to_string()),
);
g.edges.push(e1);
// start -> path_b (unconditional, should be taken since start returns success)
g.edges.push(Edge::new("start", "path_b"));
g.edges.push(Edge::new("path_a", "exit"));
g.edges.push(Edge::new("path_b", "exit"));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let cp = Checkpoint::load(&dir.path().join("checkpoint.json")).unwrap();
// Should have gone through path_b (unconditional) not path_a (condition=fail)
assert!(cp.completed_nodes.contains(&"path_b".to_string()));
assert!(!cp.completed_nodes.contains(&"path_a".to_string()));
}
// --- resolve_fidelity tests ---
#[test]
fn fidelity_defaults_to_compact() {
use crate::context::keys::Fidelity;
let node = Node::new("work");
let graph = Graph::new("test");
assert_eq!(resolve_fidelity(None, &node, &graph), Fidelity::Compact);
}
#[test]
fn fidelity_from_graph_default() {
use crate::context::keys::Fidelity;
let node = Node::new("work");
let mut graph = Graph::new("test");
graph.attrs.insert(
"default_fidelity".to_string(),
AttrValue::String("truncate".to_string()),
);
assert_eq!(resolve_fidelity(None, &node, &graph), Fidelity::Truncate);
}
#[test]
fn fidelity_from_node_overrides_graph() {
use crate::context::keys::Fidelity;
let mut node = Node::new("work");
node.attrs.insert(
"fidelity".to_string(),
AttrValue::String("full".to_string()),
);
let mut graph = Graph::new("test");
graph.attrs.insert(
"default_fidelity".to_string(),
AttrValue::String("truncate".to_string()),
);
assert_eq!(resolve_fidelity(None, &node, &graph), Fidelity::Full);
}
#[test]
fn fidelity_from_edge_overrides_node() {
use crate::context::keys::Fidelity;
let mut node = Node::new("work");
node.attrs.insert(
"fidelity".to_string(),
AttrValue::String("full".to_string()),
);
let mut edge = Edge::new("a", "work");
edge.attrs.insert(
"fidelity".to_string(),
AttrValue::String("summary:high".to_string()),
);
let graph = Graph::new("test");
assert_eq!(
resolve_fidelity(Some(&edge), &node, &graph),
Fidelity::SummaryHigh
);
}
// --- manifest.json and node status tests ---
#[tokio::test]
async fn engine_writes_manifest_json() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let manifest_path = dir.path().join("manifest.json");
assert!(manifest_path.exists());
let manifest = crate::manifest::Manifest::load(&manifest_path).unwrap();
assert_eq!(manifest.workflow_name, "test_pipeline");
assert_eq!(manifest.goal, "Run tests");
assert!(manifest.node_count > 0);
assert!(manifest.edge_count > 0);
}
#[tokio::test]
async fn manifest_includes_labels_when_present() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "labels-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::from([("env".into(), "test".into())]),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let manifest = crate::manifest::Manifest::load(&dir.path().join("manifest.json")).unwrap();
assert_eq!(manifest.labels.get("env").map(String::as_str), Some("test"));
}
#[tokio::test]
async fn manifest_omits_labels_when_empty() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "no-labels-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let manifest = crate::manifest::Manifest::load(&dir.path().join("manifest.json")).unwrap();
assert!(manifest.labels.is_empty());
}
#[tokio::test]
async fn engine_writes_node_status_json() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
// start node should have status.json
let status_path = dir.path().join("nodes").join("start").join("status.json");
assert!(status_path.exists());
let status: serde_json::Value =
serde_json::from_str(&std::fs::read_to_string(&status_path).unwrap()).unwrap();
assert_eq!(status["status"], "success");
}
#[tokio::test]
async fn engine_stores_fidelity_in_context() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
// The checkpoint context should contain internal.fidelity
let cp = Checkpoint::load(&dir.path().join("checkpoint.json")).unwrap();
assert_eq!(
cp.context_values.get(context::keys::INTERNAL_FIDELITY),
Some(&serde_json::json!("compact"))
);
}
// --- resolve_thread_id tests ---
#[test]
fn thread_id_from_node_attribute() {
let mut node = Node::new("work");
node.attrs.insert(
"thread_id".to_string(),
AttrValue::String("main-thread".to_string()),
);
let graph = Graph::new("test");
assert_eq!(
resolve_thread_id(None, &node, &graph, Some("prev")),
Some("main-thread".to_string())
);
}
#[test]
fn thread_id_from_edge_attribute() {
let node = Node::new("work");
let mut edge = Edge::new("prev", "work");
edge.attrs.insert(
"thread_id".to_string(),
AttrValue::String("edge-thread".to_string()),
);
let graph = Graph::new("test");
assert_eq!(
resolve_thread_id(Some(&edge), &node, &graph, Some("prev")),
Some("edge-thread".to_string())
);
}
#[test]
fn thread_id_node_overrides_edge() {
let mut node = Node::new("work");
node.attrs.insert(
"thread_id".to_string(),
AttrValue::String("node-thread".to_string()),
);
let mut edge = Edge::new("prev", "work");
edge.attrs.insert(
"thread_id".to_string(),
AttrValue::String("edge-thread".to_string()),
);
let graph = Graph::new("test");
assert_eq!(
resolve_thread_id(Some(&edge), &node, &graph, Some("prev")),
Some("node-thread".to_string())
);
}
#[test]
fn thread_id_from_graph_default_thread() {
let node = Node::new("work");
let mut graph = Graph::new("test");
graph.attrs.insert(
"default_thread".to_string(),
AttrValue::String("shared-thread".to_string()),
);
assert_eq!(
resolve_thread_id(None, &node, &graph, Some("prev")),
Some("shared-thread".to_string())
);
}
#[test]
fn thread_id_edge_overrides_graph_default() {
let node = Node::new("work");
let mut edge = Edge::new("prev", "work");
edge.attrs.insert(
"thread_id".to_string(),
AttrValue::String("edge-thread".to_string()),
);
let mut graph = Graph::new("test");
graph.attrs.insert(
"default_thread".to_string(),
AttrValue::String("shared-thread".to_string()),
);
assert_eq!(
resolve_thread_id(Some(&edge), &node, &graph, Some("prev")),
Some("edge-thread".to_string())
);
}
#[test]
fn thread_id_graph_default_overrides_class() {
let mut node = Node::new("work");
node.classes = vec!["planning".to_string()];
let mut graph = Graph::new("test");
graph.attrs.insert(
"default_thread".to_string(),
AttrValue::String("shared-thread".to_string()),
);
assert_eq!(
resolve_thread_id(None, &node, &graph, Some("prev")),
Some("shared-thread".to_string())
);
}
#[test]
fn thread_id_from_node_class() {
let mut node = Node::new("work");
node.classes = vec!["planning".to_string(), "review".to_string()];
let graph = Graph::new("test");
assert_eq!(
resolve_thread_id(None, &node, &graph, Some("prev")),
Some("planning".to_string())
);
}
#[test]
fn thread_id_fallback_to_previous_node() {
let node = Node::new("work");
let graph = Graph::new("test");
assert_eq!(
resolve_thread_id(None, &node, &graph, Some("prev_node")),
Some("prev_node".to_string())
);
}
#[test]
fn thread_id_none_when_no_sources() {
let node = Node::new("start");
let graph = Graph::new("test");
assert_eq!(resolve_thread_id(None, &node, &graph, None), None);
}
// --- Gap #15: Manifest goal field test ---
#[tokio::test]
async fn engine_manifest_includes_goal() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let manifest_path = dir.path().join("manifest.json");
let manifest = crate::manifest::Manifest::load(&manifest_path).unwrap();
assert_eq!(manifest.goal, "Run tests");
}
#[tokio::test]
async fn engine_manifest_goal_empty_when_unset() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("no_goal");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "exit"));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let manifest_path = dir.path().join("manifest.json");
let manifest = crate::manifest::Manifest::load(&manifest_path).unwrap();
assert_eq!(manifest.goal, "");
}
// --- Gap #1: Auto status tests ---
#[tokio::test]
async fn engine_auto_status_overrides_fail_to_success() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("auto_status_test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs
.insert("auto_status".to_string(), AttrValue::Boolean(true));
work.attrs.insert(
"type".to_string(),
AttrValue::String("always_fail".to_string()),
);
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register("always_fail", Box::new(AlwaysFailHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
assert_eq!(
outcome.notes.as_deref(),
Some("auto-status: handler completed without writing status")
);
}
#[tokio::test]
async fn engine_auto_status_false_preserves_fail() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("no_auto_status_test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"type".to_string(),
AttrValue::String("always_fail".to_string()),
);
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
let mut fail_edge = Edge::new("work", "exit");
fail_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=fail".to_string()),
);
g.edges.push(fail_edge);
let mut registry = make_registry();
registry.register("always_fail", Box::new(AlwaysFailHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_ok());
let status_path = dir.path().join("nodes").join("work").join("status.json");
let status: serde_json::Value =
serde_json::from_str(&std::fs::read_to_string(&status_path).unwrap()).unwrap();
assert_eq!(status["status"], "fail");
}
// --- Gap #2: Timeout enforcement tests ---
#[tokio::test]
async fn engine_timeout_causes_fail_outcome() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("timeout_test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"timeout".to_string(),
AttrValue::Duration(Duration::from_millis(50)),
);
work.attrs
.insert("type".to_string(), AttrValue::String("slow".to_string()));
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
let mut fail_edge = Edge::new("work", "exit");
fail_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=fail".to_string()),
);
g.edges.push(fail_edge);
let mut registry = make_registry();
registry.register("slow", Box::new(SlowHandler { sleep_ms: 500 }));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_ok());
let status_path = dir.path().join("nodes").join("work").join("status.json");
let status: serde_json::Value =
serde_json::from_str(&std::fs::read_to_string(&status_path).unwrap()).unwrap();
assert_eq!(status["status"], "fail");
}
#[tokio::test]
async fn engine_no_timeout_completes_normally() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("no_timeout_test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs
.insert("type".to_string(), AttrValue::String("slow".to_string()));
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register("slow", Box::new(SlowHandler { sleep_ms: 10 }));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
}
#[tokio::test]
async fn engine_timeout_with_auto_status_returns_success() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("timeout_auto_status_test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"timeout".to_string(),
AttrValue::Duration(Duration::from_millis(50)),
);
work.attrs
.insert("auto_status".to_string(), AttrValue::Boolean(true));
work.attrs
.insert("type".to_string(), AttrValue::String("slow".to_string()));
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register("slow", Box::new(SlowHandler { sleep_ms: 500 }));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
assert_eq!(
outcome.notes.as_deref(),
Some("auto-status: handler completed without writing status")
);
}
// --- Gap #15: Interviewer.inform() tests ---
#[tokio::test]
async fn engine_without_interviewer_runs_normally() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
}
// --- Gap #7: Cancellation token tests ---
#[tokio::test]
async fn engine_returns_cancelled_when_token_set_before_run() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let cancel_token = Arc::new(AtomicBool::new(true));
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: Some(cancel_token),
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
assert!(matches!(result.unwrap_err(), ArcError::Cancelled));
}
#[tokio::test]
async fn engine_runs_normally_with_unset_cancel_token() {
let dir = tempfile::tempdir().unwrap();
let g = simple_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let cancel_token = Arc::new(AtomicBool::new(false));
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: Some(cancel_token),
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
}
#[tokio::test]
async fn engine_cancelled_mid_run() {
let dir = tempfile::tempdir().unwrap();
let mut g = simple_graph();
// Insert a work node between start and exit
let mut work = Node::new("work");
work.attrs
.insert("type".to_string(), AttrValue::String("slow".to_string()));
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
g.edges.clear();
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let cancel_token = Arc::new(AtomicBool::new(false));
let cancel_token_clone = Arc::clone(&cancel_token);
let mut registry = make_registry();
registry.register("slow", Box::new(SlowHandler { sleep_ms: 200 }));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: Some(cancel_token),
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
// Set cancel after a short delay (while the slow handler is running)
tokio::spawn(async move {
tokio::time::sleep(Duration::from_millis(50)).await;
cancel_token_clone.store(true, std::sync::atomic::Ordering::Relaxed);
});
let result = engine.run(&g, &config).await;
// The engine should detect cancellation at the next loop iteration
// after the slow handler completes
assert!(result.is_err());
assert!(matches!(result.unwrap_err(), ArcError::Cancelled));
}
// --- max_node_visits tests ---
/// Build a graph with a cycle: start -> work -> work (unconditional self-loop)
fn cyclic_graph() -> Graph {
let mut g = Graph::new("cyclic");
g.attrs
.insert("goal".to_string(), AttrValue::String("loop".to_string()));
// Disable default retries to keep test fast
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let work = Node::new("work");
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
// start -> work -> work (self-loop), work -> exit (conditional, never matches)
g.edges.push(Edge::new("start", "work"));
let mut cond_edge = Edge::new("work", "exit");
cond_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=never_matches".to_string()),
);
g.edges.push(cond_edge);
g.edges.push(Edge::new("work", "work"));
g
}
#[tokio::test]
async fn max_node_visits_errors_on_cycle() {
let dir = tempfile::tempdir().unwrap();
let mut g = cyclic_graph();
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(3));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("stuck in a cycle"),
"expected visit limit error, got: {err}"
);
}
#[tokio::test]
async fn dry_run_applies_default_visit_limit() {
let dir = tempfile::tempdir().unwrap();
let g = cyclic_graph();
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: true,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("stuck in a cycle"),
"expected visit limit error, got: {err}"
);
}
#[tokio::test]
async fn graph_attr_overrides_dry_run_default() {
let dir = tempfile::tempdir().unwrap();
let mut g = cyclic_graph();
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(2));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: true,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("(graph limit 2)"),
"expected graph limit of 2, got: {err}"
);
}
#[tokio::test]
async fn per_node_max_visits_fires_before_graph_limit() {
let dir = tempfile::tempdir().unwrap();
let mut g = cyclic_graph();
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(100));
g.nodes
.get_mut("work")
.unwrap()
.attrs
.insert("max_visits".to_string(), AttrValue::Integer(2));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("node limit 2"),
"expected node limit 2, got: {err}"
);
}
#[tokio::test]
async fn per_node_max_visits_overrides_dry_run_default() {
let dir = tempfile::tempdir().unwrap();
let mut g = cyclic_graph();
g.nodes
.get_mut("work")
.unwrap()
.attrs
.insert("max_visits".to_string(), AttrValue::Integer(3));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: true,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("node limit 3"),
"expected node limit 3, got: {err}"
);
}
#[tokio::test]
async fn graph_limit_works_without_per_node_limit() {
let dir = tempfile::tempdir().unwrap();
let mut g = cyclic_graph();
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(3));
let engine =
WorkflowRunEngine::new(make_registry(), Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("graph limit 3"),
"expected graph limit 3, got: {err}"
);
}
// --- node_dir visit-count tests ---
#[test]
fn node_dir_first_visit() {
let root = Path::new("/tmp/logs");
assert_eq!(node_dir(root, "work", 1), root.join("nodes").join("work"));
}
#[test]
fn node_dir_second_visit() {
let root = Path::new("/tmp/logs");
assert_eq!(
node_dir(root, "work", 2),
root.join("nodes").join("work-visit_2")
);
}
#[test]
fn node_dir_fifth_visit() {
let root = Path::new("/tmp/logs");
assert_eq!(
node_dir(root, "work", 5),
root.join("nodes").join("work-visit_5")
);
}
// --- panic.txt tests ---
/// Handler that always panics.
struct PanickingHandler;
#[async_trait]
impl HandlerTrait for PanickingHandler {
async fn execute(
&self,
_node: &Node,
_context: &Context,
_graph: &Graph,
_logs_root: &Path,
_services: &crate::handler::EngineServices,
) -> std::result::Result<Outcome, ArcError> {
panic!("test panic message");
}
}
#[tokio::test]
async fn panic_handler_writes_panic_txt() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("test");
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut panic_node = Node::new("boom");
panic_node.attrs.insert(
"type".to_string(),
AttrValue::String("panicker".to_string()),
);
panic_node
.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("boom".to_string(), panic_node);
g.edges.push(Edge::new("start", "boom"));
let mut registry = make_registry();
registry.register("panicker", Box::new(PanickingHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
// The engine returns Err because the Fail outcome has no outgoing fail edge,
// but panic.txt should already be written by the panic handler.
let _result = engine.run(&g, &config).await;
let panic_path = dir.path().join("nodes").join("boom").join("panic.txt");
assert!(panic_path.exists(), "panic.txt should be written");
let content = std::fs::read_to_string(&panic_path).unwrap();
assert!(
content.contains("test panic message"),
"panic.txt should contain the panic message, got: {content}"
);
}
// --- classify_outcome tests ---
#[test]
fn classify_outcome_returns_none_for_success() {
assert!(classify_outcome(&Outcome::success()).is_none());
}
#[test]
fn classify_outcome_returns_none_for_skipped() {
assert!(classify_outcome(&Outcome::skipped()).is_none());
}
#[test]
fn classify_outcome_returns_none_for_partial_success() {
let outcome = Outcome {
status: StageStatus::PartialSuccess,
..Outcome::success()
};
assert!(classify_outcome(&outcome).is_none());
}
#[test]
fn classify_outcome_reads_failure_detail() {
let mut outcome = Outcome::fail_classify("some error");
// Override the FailureDetail's class directly
outcome.failure.as_mut().unwrap().failure_class = FailureClass::BudgetExhausted;
assert_eq!(
classify_outcome(&outcome),
Some(FailureClass::BudgetExhausted)
);
}
#[test]
fn classify_outcome_uses_failure_reason_heuristics() {
let outcome = Outcome::fail_classify("rate limited by provider");
assert_eq!(
classify_outcome(&outcome),
Some(FailureClass::TransientInfra)
);
}
#[test]
fn classify_outcome_defaults_to_deterministic() {
let outcome = Outcome::fail_classify("something went wrong");
assert_eq!(
classify_outcome(&outcome),
Some(FailureClass::Deterministic)
);
}
#[test]
fn classify_outcome_fail_no_reason_is_deterministic() {
let outcome = Outcome {
status: StageStatus::Fail,
failure: None,
..Outcome::success()
};
assert_eq!(
classify_outcome(&outcome),
Some(FailureClass::Deterministic)
);
}
#[test]
fn classify_outcome_retry_status_uses_heuristics() {
let outcome = Outcome::retry_classify("connection refused");
assert_eq!(
classify_outcome(&outcome),
Some(FailureClass::TransientInfra)
);
}
// --- Circuit breaker tests ---
/// Build a graph where `work` always fails deterministically,
/// and a fail edge loops back to `work`.
fn looping_fail_graph() -> Graph {
let mut g = Graph::new("loop_fail");
g.attrs
.insert("goal".to_string(), AttrValue::String("test".to_string()));
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"type".to_string(),
AttrValue::String("always_fail".to_string()),
);
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
// Fail loops back
let mut fail_edge = Edge::new("work", "work");
fail_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=fail".to_string()),
);
g.edges.push(fail_edge);
// Success goes to exit (never taken)
let mut ok_edge = Edge::new("work", "exit");
ok_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=success".to_string()),
);
g.edges.push(ok_edge);
g
}
/// Handler that always returns transient_infra failure.
struct TransientFailHandler;
#[async_trait]
impl HandlerTrait for TransientFailHandler {
async fn execute(
&self,
_node: &Node,
_context: &Context,
_graph: &Graph,
_logs_root: &Path,
_services: &crate::handler::EngineServices,
) -> std::result::Result<Outcome, ArcError> {
Ok(Outcome::fail_classify("connection refused"))
}
}
/// Handler that fails with a semantically different message each time.
/// Uses words instead of numbers to avoid normalization collapsing them.
struct VaryingFailHandler {
counter: std::sync::atomic::AtomicUsize,
}
static VARYING_REASONS: &[&str] = &[
"syntax error in module alpha",
"type mismatch in module beta",
"missing field in module gamma",
"undefined reference in module delta",
"assertion failed in module epsilon",
];
#[async_trait]
impl HandlerTrait for VaryingFailHandler {
async fn execute(
&self,
_node: &Node,
_context: &Context,
_graph: &Graph,
_logs_root: &Path,
_services: &crate::handler::EngineServices,
) -> std::result::Result<Outcome, ArcError> {
let n = self.counter.fetch_add(1, Ordering::Relaxed);
let reason = VARYING_REASONS[n % VARYING_REASONS.len()];
Ok(Outcome::fail_classify(reason))
}
}
#[tokio::test]
async fn loop_circuit_breaker_aborts_on_repeated_deterministic_failure() {
let dir = tempfile::tempdir().unwrap();
let g = looping_fail_graph();
let mut registry = make_registry();
registry.register("always_fail", Box::new(AlwaysFailHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("deterministic failure cycle detected"),
"expected circuit breaker error, got: {err}"
);
}
#[tokio::test]
async fn loop_circuit_breaker_ignores_transient_failures() {
let dir = tempfile::tempdir().unwrap();
let mut g = looping_fail_graph();
// Set a high visit limit so we don't trip it; we want to hit the visit limit, not circuit breaker
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(5));
let mut registry = make_registry();
registry.register("always_fail", Box::new(TransientFailHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
// Should hit visit limit, NOT circuit breaker
assert!(
err.contains("stuck in a cycle"),
"expected visit limit error (transient shouldn't trigger circuit breaker), got: {err}"
);
}
#[tokio::test]
async fn loop_circuit_breaker_different_reasons_get_separate_counters() {
let dir = tempfile::tempdir().unwrap();
let mut g = looping_fail_graph();
// Each failure has a different message, so no signature repeats.
// Should hit max_node_visits instead of circuit breaker.
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(5));
let mut registry = make_registry();
registry.register(
"always_fail",
Box::new(VaryingFailHandler {
counter: std::sync::atomic::AtomicUsize::new(0),
}),
);
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("stuck in a cycle"),
"expected visit limit (each failure unique), got: {err}"
);
}
#[tokio::test]
async fn restart_circuit_breaker_aborts_on_repeated_failure() {
// In a workflow with loop_restart edges, a repeating deterministic failure
// triggers a circuit breaker (either loop or restart, depending on topology).
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("restart_test");
g.attrs
.insert("goal".to_string(), AttrValue::String("test".to_string()));
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
g.attrs
.insert("max_node_visits".to_string(), AttrValue::Integer(100));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"type".to_string(),
AttrValue::String("always_fail".to_string()),
);
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
// loop_restart edge on failure
let mut restart_edge = Edge::new("work", "start");
restart_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=fail".to_string()),
);
restart_edge
.attrs
.insert("loop_restart".to_string(), AttrValue::Boolean(true));
g.edges.push(restart_edge);
// Success goes to exit
let mut ok_edge = Edge::new("work", "exit");
ok_edge.attrs.insert(
"condition".to_string(),
AttrValue::String("outcome=success".to_string()),
);
g.edges.push(ok_edge);
let mut registry = make_registry();
registry.register("always_fail", Box::new(AlwaysFailHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
// The loop_restart guard blocks non-transient_infra failures immediately
assert!(
err.contains("loop_restart blocked")
|| err.contains("failure cycle detected")
|| err.contains("circuit breaker"),
"expected loop_restart guard or circuit breaker error, got: {err}"
);
}
/// Handler that emits events every `interval_ms` for `total_ms`, then succeeds.
struct EmittingHandler {
interval_ms: u64,
total_ms: u64,
}
#[async_trait]
impl HandlerTrait for EmittingHandler {
async fn execute(
&self,
node: &Node,
_context: &Context,
_graph: &Graph,
_logs_root: &Path,
services: &crate::handler::EngineServices,
) -> std::result::Result<Outcome, ArcError> {
let start = Instant::now();
while start.elapsed() < Duration::from_millis(self.total_ms) {
tokio::time::sleep(Duration::from_millis(self.interval_ms)).await;
services.emitter.emit(&WorkflowRunEvent::Prompt {
stage: node.id.clone(),
text: "keepalive".to_string(),
});
}
Ok(Outcome::success())
}
}
#[tokio::test]
async fn stall_watchdog_triggers_on_hung_handler() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("stall_test");
g.attrs
.insert("goal".to_string(), AttrValue::String("test".to_string()));
g.attrs.insert(
"stall_timeout".to_string(),
AttrValue::Duration(Duration::from_millis(50)),
);
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs
.insert("type".to_string(), AttrValue::String("slow".to_string()));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register("slow", Box::new(SlowHandler { sleep_ms: 60_000 }));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let result = engine.run(&g, &config).await;
assert!(result.is_err());
let err = result.unwrap_err().to_string();
assert!(
err.contains("stall watchdog"),
"expected stall watchdog error, got: {err}"
);
}
#[tokio::test]
async fn stall_watchdog_active_handler_resets_timer() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("stall_active_test");
g.attrs
.insert("goal".to_string(), AttrValue::String("test".to_string()));
g.attrs.insert(
"stall_timeout".to_string(),
AttrValue::Duration(Duration::from_millis(100)),
);
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"type".to_string(),
AttrValue::String("emitting".to_string()),
);
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register(
"emitting",
Box::new(EmittingHandler {
interval_ms: 10,
total_ms: 50,
}),
);
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
}
#[tokio::test]
async fn stall_watchdog_disabled_when_zero() {
let dir = tempfile::tempdir().unwrap();
let mut g = Graph::new("stall_disabled_test");
g.attrs
.insert("goal".to_string(), AttrValue::String("test".to_string()));
g.attrs.insert(
"stall_timeout".to_string(),
AttrValue::Duration(Duration::ZERO),
);
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs
.insert("type".to_string(), AttrValue::String("slow".to_string()));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register("slow", Box::new(SlowHandler { sleep_ms: 50 }));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let outcome = engine.run(&g, &config).await.unwrap();
assert_eq!(outcome.status, StageStatus::Success);
}
#[tokio::test]
async fn failure_signature_stored_in_context() {
let dir = tempfile::tempdir().unwrap();
// Simple workflow: start -> work (fails) -> exit (via fail edge)
let mut g = Graph::new("sig_context_test");
g.attrs
.insert("goal".to_string(), AttrValue::String("test".to_string()));
g.attrs
.insert("default_max_retry".to_string(), AttrValue::Integer(0));
let mut start = Node::new("start");
start.attrs.insert(
"shape".to_string(),
AttrValue::String("Mdiamond".to_string()),
);
g.nodes.insert("start".to_string(), start);
let mut work = Node::new("work");
work.attrs.insert(
"type".to_string(),
AttrValue::String("always_fail".to_string()),
);
work.attrs
.insert("max_retries".to_string(), AttrValue::Integer(0));
g.nodes.insert("work".to_string(), work);
let mut exit = Node::new("exit");
exit.attrs.insert(
"shape".to_string(),
AttrValue::String("Msquare".to_string()),
);
g.nodes.insert("exit".to_string(), exit);
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let mut registry = make_registry();
registry.register("always_fail", Box::new(AlwaysFailHandler));
let engine = WorkflowRunEngine::new(registry, Arc::new(EventEmitter::new()), local_env());
let config = RunConfig {
logs_root: dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "test-run".into(),
git_checkpoint: None,
base_sha: None,
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
let _outcome = engine.run(&g, &config).await.unwrap();
// Check the checkpoint for the failure_signature context value
let checkpoint_path = dir.path().join("checkpoint.json");
let cp = Checkpoint::load(&checkpoint_path).unwrap();
let sig_value = cp
.context_values
.get(context::keys::FAILURE_SIGNATURE)
.unwrap();
let sig_str = sig_value.as_str().unwrap();
assert!(
sig_str.contains("work|deterministic|"),
"expected failure signature in context, got: {sig_str}"
);
}
#[tokio::test]
async fn git_checkpoint_skipped_for_start_node() {
// Set up a real git repo so GitCheckpointMode::Host works
let repo_dir = tempfile::tempdir().unwrap();
let repo = repo_dir.path();
std::process::Command::new("git")
.args(["init"])
.current_dir(repo)
.output()
.unwrap();
std::process::Command::new("git")
.args([
"-c",
"user.name=Test",
"-c",
"user.email=test@test.com",
"commit",
"--allow-empty",
"-m",
"initial",
])
.current_dir(repo)
.output()
.unwrap();
let base_sha = String::from_utf8(
std::process::Command::new("git")
.args(["rev-parse", "HEAD"])
.current_dir(repo)
.output()
.unwrap()
.stdout,
)
.unwrap()
.trim()
.to_string();
let logs_dir = tempfile::tempdir().unwrap();
// Build start -> work -> exit graph so work node produces a git checkpoint
let mut g = simple_graph();
let work = Node::new("work");
g.nodes.insert("work".to_string(), work);
g.edges.clear();
g.edges.push(Edge::new("start", "work"));
g.edges.push(Edge::new("work", "exit"));
let events = std::sync::Arc::new(std::sync::Mutex::new(Vec::<WorkflowRunEvent>::new()));
let events_clone = events.clone();
let mut emitter = EventEmitter::new();
emitter.on_event(move |event| {
events_clone.lock().unwrap().push(event.clone());
});
let engine = WorkflowRunEngine::new(make_registry(), Arc::new(emitter), local_env());
let config = RunConfig {
logs_root: logs_dir.path().to_path_buf(),
cancel_token: None,
dry_run: false,
run_id: "git-cp-test".into(),
git_checkpoint: Some(GitCheckpointMode::Host(repo.to_path_buf())),
base_sha: Some(base_sha),
run_branch: None,
meta_branch: None,
labels: HashMap::new(),
checkpoint_exclude_globs: Vec::new(),
github_app: None,
git_author: crate::git::GitAuthor::default(),
};
engine.run(&g, &config).await.unwrap();
let collected = events.lock().unwrap();
let git_checkpoint_node_ids: Vec<&str> = collected
.iter()
.filter_map(|e| match e {
WorkflowRunEvent::GitCheckpoint { node_id, .. } => Some(node_id.as_str()),
_ => None,
})
.collect();
assert!(
!git_checkpoint_node_ids.contains(&"start"),
"start node should not have a git checkpoint, but found: {git_checkpoint_node_ids:?}"
);
assert!(
git_checkpoint_node_ids.contains(&"work"),
"work node should have a git checkpoint, but found: {git_checkpoint_node_ids:?}"
);
}
}