feat: add lib/mock-gsd-agent.cjs with fake Task() agent stubs#259
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Implements a fake GSD agent runner for offline MGW pipeline testing. The module intercepts Task() spawns, returns configurable fixture outputs, and records spawn calls for assertion. - lib/mock-gsd-agent.cjs: core mock module with activate/deactivate/ spawnStub/getCallLog/setResponse/isActive/getSpawnCount/assertSpawned API - test/fixtures/agents/: base fixture files for all 5 agent types (gsd-planner, gsd-executor, gsd-verifier, gsd-plan-checker, general-purpose) API mirrors lib/mock-github.cjs (PR #258) for consistency: - Same activate/deactivate/setResponse/getCallLog/isActive pattern - Scenario support: test/fixtures/agents/<scenario>/ overrides base fixtures - Inline overrides have highest precedence Closes #248 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Configures vitest as the primary test runner for the v6 Local Testing & Simulation Framework (Phase 47: Mock Infrastructure, issue #249). Changes: - package.json: add vitest ^2.0.0 devDependency; npm test → vitest run; npm run test:watch → vitest; npm run test:node preserves existing node --test runner for .test.cjs files - vitest.config.js: node environment, setupFiles: ['./test/setup.js'], includes .test.js/.spec.js, excludes .test.cjs (node:test incompatible) - test/setup.js: auto-activates mock-github and mock-gsd-agent in beforeEach/afterEach; conditional require — works when PRs #258/#259 are not yet merged to main; exports mockGitHub/mockGsdAgent - test/loadFixture.js: loadFixture(name) helper that reads from test/fixtures/; supports namespaced paths (e.g. 'github/issue-view'); throws descriptive errors on missing/invalid fixtures Closes #249 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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…260) Configures vitest as the primary test runner for the v6 Local Testing & Simulation Framework (Phase 47: Mock Infrastructure, issue #249). Changes: - package.json: add vitest ^2.0.0 devDependency; npm test → vitest run; npm run test:watch → vitest; npm run test:node preserves existing node --test runner for .test.cjs files - vitest.config.js: node environment, setupFiles: ['./test/setup.js'], includes .test.js/.spec.js, excludes .test.cjs (node:test incompatible) - test/setup.js: auto-activates mock-github and mock-gsd-agent in beforeEach/afterEach; conditional require — works when PRs #258/#259 are not yet merged to main; exports mockGitHub/mockGsdAgent - test/loadFixture.js: loadFixture(name) helper that reads from test/fixtures/; supports namespaced paths (e.g. 'github/issue-view'); throws descriptive errors on missing/invalid fixtures Closes #249 Co-authored-by: Stephen Miller <Stephen@betterbox.pw> Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
lib/mock-gsd-agent.cjs— a fake GSD agent runner for offline MGW pipeline teststest/fixtures/agents/with 5 base fixture files (one per agent type)lib/mock-github.cjsAPI (PR feat: add lib/mock-github.cjs with GitHub API interceptors for tests #258) for consistency: activate/deactivate/getCallLog/setResponse/isActive patternCloses #248
Milestone Context
plan-phaselib/mock-github.cjs) — PR #258Changes
lib/mock-gsd-agent.cjs(new)Core mock module that intercepts Task() spawns in tests.
API:
activate([scenario])— activate with optional scenario override directorydeactivate()— restore state, preserve call logspawnStub({ subagent_type, prompt, model, description })— record spawn, return fixture outputgetCallLog()— returns{ subagent_type, prompt, model, description, output, timestamp }[]clearCallLog()— reset call log without deactivatingsetResponse(agentType, output)— inline override (highest precedence)isActive()— guard checkgetSpawnCount([agentType])— total or filtered spawn countassertSpawned(agentType)— throws AssertionError if agent type was not spawnedFixture resolution order:
setResponse())test/fixtures/agents/<scenario>/<agent-type>.jsontest/fixtures/agents/<agent-type>.jsontest/fixtures/agents/(new)Base fixture files for all 5 standard GSD agent types:
gsd-planner.json## PLANNING COMPLETEresponsegsd-executor.json## EXECUTION COMPLETEresponsegsd-verifier.json## VERIFICATION PASSEDresponsegsd-plan-checker.json## VERIFICATION PASSEDresponsegeneral-purpose.jsonTest Plan
lib/mock-gsd-agent.cjsrequires without error:node -e "require('./lib/mock-gsd-agent.cjs')"test/fixtures/agents/has exactly 5 JSON filesspawnStub()records call with correct shapesetResponse()inline override: overrides scenario and base fixturesactivate()resets call log and inline overridesdeactivate()preserves call loggetSpawnCount()returns total;getSpawnCount('gsd-planner')returns filtered countassertSpawned('gsd-planner')passes after spawn; throws for unspawned typespawnStub()throws with descriptive error beforeactivate()Smoke test run: 26/26 tests passed.
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