openpetswithchatandmcp/docs/testing.md
2026-06-10 08:16:38 +02:00

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# OpenPets testing
OpenPets uses lightweight Node contract checks instead of a full test framework, plus a first-class plugin test kit for the plugin layer (see below).
## Commands
```bash
pnpm test
pnpm check
```
- `pnpm test` builds the workspace and runs deterministic regression tests.
- `pnpm check` is the full pre-commit/phase gate: typecheck, build, then package tests/checks.
Package-level `pnpm test` commands generally run built `dist` artifacts and assume the package was built first. Use root `pnpm test` or package `pnpm check` when you need a fresh build included automatically.
Package-level `check` scripts should include package tests after typecheck/build so regression coverage cannot drift away from validation.
## Package expectations
Packages with runtime contract coverage should expose `test` scripts:
- `apps/desktop`
- `packages/client`
- `packages/mcp`
- `packages/claude`
Packages without meaningful runtime checks yet may omit `test` until they gain behavior beyond type/build validation:
- `packages/cli`
- `packages/pet-format`
## Isolation rules
Tests must not require:
- a running Electron app
- a real Claude installation
- network access
- writes to real `~/.claude/settings.json`
- writes to real OpenPets user data
Use temp directories/files for settings and fixtures. Clean them up after the test. Do not depend on the process current working directory except for explicit repo-relative fixture paths.
## What belongs in tests
Good fits for the current harness:
- IPC protocol contracts
- MCP tool contracts
- lease manager behavior
- Claude MCP command previews
- Claude hook event mapping and speech safety
- Claude settings merge/install/uninstall against temp files
- zip safety and catalog validation
- plugin SDK bridge validators (incl. property/fuzz tests — `apps/desktop/tests/plugin-bridge-fuzz.test.ts`)
Electron tray/window behavior remains manually verified until a later UI automation phase.
## Plugin test kit (SDK v3)
The plugin layer goes beyond "lightweight checks": `@open-pets/plugin-sdk/testing`
ships a supported harness (`createTestHarness`) so any plugin's `start` handler
runs deterministically with no Electron, no network, no real timers, and no
real user data — the same isolation rules as above. It provides a fake clock
(`clock.advance("90m")` drives `once`/`every`/`daily`/`cron`/`at`), curated
event injection, bubble/command interaction, permission simulation, mocks for
`net`/`ai`/`secrets`/`files`/`auth`/`voice`/`system`, and descriptor-level
assertions (`expectSpoke`, `expectBubble`, `expectStored`, …).
- Scaffolded plugins (`openpets plugin new --template …`) ship a passing
`test.js` against the kit; `openpets plugin validate` checks manifests and
declared files at author time.
- `packages/sdk/src/check-plugin-sdk.ts` is the kit's own contract test, and
`apps/desktop/src/check-plugin-sdk-conformance.ts` is the compile-time drift
guard between the runtime bridge and the published types.
See `docs/plugins.md` for the full developer workflow (hot reload, inspector).