fabro/lib/apps/fabro-cli/tests/it/cmd/validate.rs
Bryan Helmkamp a049f94042
Add on_failure="succeed" as an explicit failure policy
A failed node with an effective `succeed` policy and no explicit recovery
route now finishes as `succeeded` and follows normal success routing. The
original failure stays on the outcome so the stage.completed event and the
checkpoint keep the diagnostic, and the outcome notes record which scope
promoted it.

- OnFailure gains a Succeed variant; Node::on_failure resolves the
  deprecated auto_status=true attribute as an alias, with an explicit
  on_failure winning
- The core executor applies the policy before the lifecycle observes the
  result, so the recorded outcome, context keys, goal gates, events, and
  routing all see the effective outcome; this replaces AutoStatusLifecycle
- Explicit routes take priority: a matching condition, preferred label,
  suggested next node, or handler jump keeps the outcome failed. A failed
  outcome takes an unconditional edge only under route, so under succeed
  any edge selection is an explicit route
- succeed applies only to failed, matching exit; the auto_status alias no
  longer promotes partially_succeeded
- Parallel branches promote after their retry loop, so a failed succeed
  branch counts as succeeded in the parent aggregate
- Validation accepts succeed and adds an auto_status_deprecated warning
  that suggests on_failure="succeed"
- Document the policy table, semantics, and deprecation; add a changelog
  entry

Closes #807

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-26 07:34:24 -04:00

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use fabro_test::{fabro_snapshot, test_context};
use crate::support::LightweightCli;
fn fixture(name: &str) -> std::path::PathBuf {
std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
.join(format!("../../../test/{name}"))
.canonicalize()
.expect("fixture path should exist")
}
#[test]
fn help() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg("--help");
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
Validate a workflow
Usage: fabro validate [OPTIONS] <WORKFLOW>
Arguments:
<WORKFLOW> Path to the .fabro workflow file
Options:
--json Output as JSON [env: FABRO_JSON=]
--debug Enable DEBUG-level logging (default is INFO) [env: FABRO_DEBUG=]
--no-upgrade-check Disable automatic upgrade check [env: FABRO_NO_UPGRADE_CHECK=true]
--quiet Suppress non-essential output [env: FABRO_QUIET=]
--verbose Enable verbose output [env: FABRO_VERBOSE=]
-h, --help Print help
----- stderr -----
");
}
#[test]
fn simple() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("simple.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: Simple (4 nodes, 3 edges)
Graph: [FIXTURES]/simple.fabro
Validation: OK
");
}
#[test]
fn simple_does_not_connect_to_configured_server() {
let cli = LightweightCli::new();
let mut cmd = cli.command();
cmd.env("FABRO_SERVER", "http://127.0.0.1:9")
.arg("validate")
.arg(fixture("simple.fabro"));
let output = cmd.output().expect("validate should execute");
assert!(
output.status.success(),
"validate should run locally without connecting to FABRO_SERVER\nstdout:\n{}\nstderr:\n{}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr),
);
}
/// Offline validation has no model catalog, so a model or provider the server
/// owns must pass rather than be reported as unknown.
#[test]
fn server_owned_provider_is_not_rejected_by_offline_validation() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("server-model.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: ServerModel (3 nodes, 2 edges)
Graph: [FIXTURES]/server-model.fabro
Validation: OK
");
}
#[test]
fn model_fallback_table_is_not_catalog_checked_by_offline_validation() {
let cli = LightweightCli::new();
let mut cmd = cli.command();
cmd.env("FABRO_SERVER", "http://127.0.0.1:9")
.arg("validate")
.arg(fixture("offline-fallbacks/workflow.fabro"));
let output = cmd.output().expect("validate should execute");
assert!(
output.status.success(),
"offline validation should parse model fallback tables without a server catalog\nstdout:\n{}\nstderr:\n{}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr),
);
}
#[test]
fn branching() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("branching.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: Branch (6 nodes, 6 edges)
Graph: [FIXTURES]/branching.fabro
warning [node: implement]: Node 'implement' has goal_gate=true but no retry_target or fallback_retry_target (goal_gate_has_retry)
fix: Add retry_target or fallback_retry_target attribute
Validation: OK
");
}
#[test]
fn conditions() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("conditions.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: Conditions (5 nodes, 5 edges)
Graph: [FIXTURES]/conditions.fabro
Validation: OK
");
}
#[test]
fn parallel() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("parallel.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: Parallel (7 nodes, 7 edges)
Graph: [FIXTURES]/parallel.fabro
Validation: OK
");
}
#[test]
fn styled() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("styled.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: Styled (5 nodes, 4 edges)
Graph: [FIXTURES]/styled.fabro
Validation: OK
");
}
#[test]
fn inferred_command() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("inferred_command.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: InferredCommand (3 nodes, 2 edges)
Graph: [FIXTURES]/inferred_command.fabro
Validation: OK
");
}
#[test]
fn bare_fabro_with_unbound_inputs_validates_structurally_with_warning() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templated_unbound.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: TemplatedUnbound (3 nodes, 2 edges)
Graph: [FIXTURES]/templated_unbound.fabro
warning: [FIXTURES]/templated_unbound.fabro:2:26: undefined template variable `inputs.app_dir` in graph attribute `goal` (template_undefined_variable)
fix: bind `app_dir` via `[run.inputs]` in workflow.toml, or pass `--input app_dir=<value>`
warning: [FIXTURES]/templated_unbound.fabro:7:44: undefined template variable `inputs.app_dir` in node `work` attribute `prompt` [node: work] (template_undefined_variable)
fix: bind `app_dir` via `[run.inputs]` in workflow.toml, or pass `--input app_dir=<value>`
Validation: OK
");
}
#[test]
fn unbound_model_stylesheet_input_warns_without_css_error() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("model_stylesheet_unbound.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: ModelStylesheetUnbound (3 nodes, 2 edges)
Graph: [FIXTURES]/model_stylesheet_unbound.fabro
warning: [FIXTURES]/model_stylesheet_unbound.fabro:4:38: undefined template variable `inputs.effort` in graph attribute `model_stylesheet` (template_undefined_variable)
fix: bind `effort` via `[run.inputs]` in workflow.toml, or pass `--input effort=<value>`
Validation: OK
");
}
/// Regression: https://github.com/fabro-sh/fabro/issues/286
///
/// Undefined template variables in a prompt loaded via `@file` reference must
/// surface as the same warning diagnostic as an inline prompt — not a hard
/// validation error.
#[test]
fn bare_fabro_with_unbound_inputs_in_imported_prompt_validates_structurally_with_warning() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templated_unbound_imported/workflow.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: TemplatedUnboundImported (3 nodes, 2 edges)
Graph: [FIXTURES]/templated_unbound_imported/workflow.fabro
warning: [FIXTURES]/templated_unbound_imported/work.md:1:12: undefined template variable `inputs.app_dir` in node `work` attribute `prompt` [node: work] (template_undefined_variable)
fix: bind `app_dir` via `[run.inputs]` in workflow.toml, or pass `--input app_dir=<value>`
Validation: OK
");
}
/// Regression: https://github.com/fabro-sh/fabro/issues/330
///
/// Undefined template variables in partials included by an imported prompt must
/// surface as structural validation warnings, matching direct `@file` prompts.
#[test]
fn bare_fabro_with_unbound_inputs_in_template_partial_validates_structurally_with_warning() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templated_unbound_partial/workflow.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: TemplatedUnboundPartial (3 nodes, 2 edges)
Graph: [FIXTURES]/templated_unbound_partial/workflow.fabro
warning: [FIXTURES]/templated_unbound_partial/test-include.partial.md:1:4: undefined template variable `inputs.hello` in node `test_imported_include` attribute `prompt` [node: test_imported_include] (template_undefined_variable)
fix: bind `hello` via `[run.inputs]` in workflow.toml, or pass `--input hello=<value>`
Validation: OK
");
}
#[test]
fn bare_fabro_picks_up_sibling_workflow_toml_inputs() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templated_inputs/workflow.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: TemplatedInputs (3 nodes, 2 edges)
Graph: [FIXTURES]/templated_inputs/workflow.fabro
Validation: OK
");
}
#[test]
fn validate_accepts_static_template_dependencies() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templates/static_dependencies/workflow.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: TemplateIncludes (4 nodes, 3 edges)
Graph: [FIXTURES]/templates/static_dependencies/workflow.fabro
Validation: OK
");
}
#[test]
fn validate_accepts_template_partial_sibling_under_workflow_root() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templates/sibling_partial/workflow.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: SiblingPartialTemplateInclude (3 nodes, 2 edges)
Graph: [FIXTURES]/templates/sibling_partial/workflow.fabro
Validation: OK
");
}
#[test]
fn validate_reports_missing_template_dependency() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("templates/missing_dependency/workflow.fabro"));
let mut filters = context.filters();
filters.push((
r"(?:\.\./)*\.\.\[FIXTURES\]/".to_string(),
"[FIXTURES]/".to_string(),
));
fabro_snapshot!(filters, cmd, @"
success: false
exit_code: 1
----- stdout -----
----- stderr -----
× failed to discover template dependencies
╰─▶ missing template dependency `missing.tpl.md` from `[FIXTURES]/templates/missing_dependency/workflow.fabro`
");
}
/// A node named only by an edge is almost always a typo, so validation must
/// fail instead of quietly running it as a default agent stage.
#[test]
fn edge_only_node() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("edge_only_node.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: false
exit_code: 1
----- stdout -----
----- stderr -----
Workflow: EdgeOnlyNode (2 nodes, 2 edges)
Graph: [FIXTURES]/edge_only_node.fabro
error [node: misspelled_node]: Node 'misspelled_node' is referenced by edge 'start -> misspelled_node' but has no node declaration (edge_target_exists)
fix: Declare node 'misspelled_node' or correct the edge endpoint
× Validation failed
");
}
#[test]
fn invalid() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("invalid.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: false
exit_code: 1
----- stdout -----
----- stderr -----
Workflow: Invalid (2 nodes, 1 edges)
Graph: [FIXTURES]/invalid.fabro
error: Pipeline must have exactly one start node (shape=Mdiamond or id start/Start) (start_node)
fix: Add a node with shape=Mdiamond or id 'start'
error [node: exit]: Exit node 'exit' has 1 outgoing edge(s) but must have none (exit_no_outgoing)
fix: Remove outgoing edges from the exit node
× Validation failed
");
}
#[test]
fn invalid_node_on_failure_is_a_validation_failure() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("on_failure_node_invalid.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: false
exit_code: 1
----- stdout -----
----- stderr -----
Workflow: InvalidNodeOnFailure (3 nodes, 2 edges)
Graph: [FIXTURES]/on_failure_node_invalid.fabro
error [node: work]: Node 'work' has invalid on_failure value 'stop' (on_failure_valid)
fix: Use one of: route, exit, succeed
× Validation failed
");
}
#[test]
fn deprecated_auto_status_warns_with_succeed_policy_replacement() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("auto_status_deprecated.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Workflow: DeprecatedAutoStatus (3 nodes, 2 edges)
Graph: [FIXTURES]/auto_status_deprecated.fabro
warning [node: scan]: Node 'scan' sets deprecated 'auto_status=true' (auto_status_deprecated)
fix: Use on_failure=\"succeed\" instead
Validation: OK
");
}
#[test]
fn invalid_on_failure_is_a_validation_failure() {
let context = test_context!();
let mut cmd = context.validate();
cmd.arg(fixture("on_failure_invalid.fabro"));
fabro_snapshot!(context.filters(), cmd, @"
success: false
exit_code: 1
----- stdout -----
----- stderr -----
Workflow: InvalidOnFailure (2 nodes, 1 edges)
Graph: [FIXTURES]/on_failure_invalid.fabro
error: Graph has invalid on_failure value 'stop' (on_failure_valid)
fix: Use one of: route, exit, succeed
× Validation failed
");
}