feat: e2e suite + compatibility matrix (issue #60)#66
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feat: e2e suite + compatibility matrix (issue #60)#66
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Adds docs/compatibility.md as the source of truth for which (provider kind × protocol × feature) cells are exercised end-to-end vs only intended to work, and adds tests/e2e/* (supertest against createApp() with mocked downstreams) covering: chat_completions non-stream + streaming SSE, responses passthrough non-stream, chat_completions tool calling round-trip, OpenAI→Anthropic translation with cache_control injection, /v1/route/resolve (no-dispatch), and /health + /ready (200 + 503). Splits npm scripts into test (unit, excludes tests/e2e), test:e2e, and test:all. CI runs both as separate steps. README links to the matrix. Closes #60 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The earlier scripts let sh expand 'tests/e2e/**' into actual file paths before vitest saw them, which (a) passed only the first path to --exclude and (b) turned the rest into positional filters. The result: 'npm test' silently ran only the e2e files and 'npm run test:e2e' found no files on CI's shell where globstar wasn't enabled. Quote the exclude pattern so the literal glob reaches vitest's minimatch, and switch test:e2e to --dir tests/e2e for an unambiguous directory restriction.
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Summary
docs/compatibility.md— a (provider kind × protocol × feature) matrix that explicitly tags each cell as supported+tested / supported+untested / intentionally unsupported / known-gap, linked from README under a new "Compatibility" heading.tests/e2e/(10 tests) drivingcreateApp()withsupertestand mocking at the network boundary (globalThis.fetch):chat-completions.e2e.test.ts— non-stream + streaming SSE (assertsdata:framing + terminal[DONE])responses.e2e.test.ts—/v1/responsespassthrough (provider configured withprotocols: ["chat_completions","responses"])tools.e2e.test.ts— chat_completions tool calling round-trip (requesttools→ upstream →tool_callson response)anthropic-translation.e2e.test.ts— OpenAI→Anthropic translation + ephemeralcache_controlinjection on system + last-message blocksroute-resolve.e2e.test.ts—/v1/route/resolvereturns route shape, never invokesglobalThis.fetchhealth-readiness.e2e.test.ts—/health200,/ready200 with providers, 503 with no providerstestruns unit suite (excludestests/e2e/**), newtest:e2eruns only e2e, newtest:allruns both. CI runs them as two separate required steps.What's intentionally not yet covered
Per the matrix in
docs/compatibility.md:streamResponsesDownstream), unit-tested onlyglobalThis.fetchcovers both the openai-compatible and anthropic-sdk adapters since the SDK uses fetch under the hood.anthropic-sdk×responsesis marked intentionally unsupported (the adapter does not implementcallResponses/streamResponses).Test plan
npm run check— cleannpm test— 118 unit tests passnpm run test:e2e— 10 e2e tests passCloses #60
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