test(ws-upstream): hold the eager-relay marker to the win32 rule, not to a constant - #2129
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe WebSocket relay tests now derive eager-relay expectations from the current platform and client-rewrite state. They also cover response backfill rewrites and win32-specific eager relay selection. ChangesWebSocket relay test coverage
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This PR only updates Windows-specific test expectations and adds a focused precondition test; the reported targeted tests pass and no actionable merge-blocking risk remains. Suggested labels: Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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리뷰 · 우선순위 48 / 80테스트만 고친 PR임. 케이스가 원래 보던 건 WebSocket을 안 탄다는 거임. bisect도 숫자로 적어 둠. 점수는 48임. 윈도우 CI 위생이고 2.27 게이트 아님. types/config 안 건드림. 닫고 리베이스하라는 쪽 아님. 체크리스트 0/4 + draft라 지금 머지 트레인에 안 넣음. 해결방안: 박스 네 칸 채우고 드래프트 풀면 됨. 테스트만이라 태그 전후에 넣어도 됨. 이 댓글은 grok-bot이 작성했습니다 |
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Inline comments:
In `@tests/ws-upstream.test.ts`:
- Around line 353-362: Strengthen the test around the actual handleResponses
rewrite path instead of only checking that
createResponsesFieldBackfillBlockRewrite returns a function. Send a Responses
stream through the real handling flow and assert the expected field-backfill
transformation, or expose a focused seam for the computed
blockRewrites/needsClientRewrite state and verify it is non-empty/true,
preserving coverage of the Windows eager-relay contract.
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Fix all unresolved CodeRabbit comments on this PR:
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tests/ws-upstream.test.ts
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The test-only direction is reasonable, and the focused file passes 24/24 on the exact PR head. Two blockers remain before approval.
2a20f1d57is now 35 commits behind currentdev(caf20353f). Please rebase onto the latest integration head and rerun the focused file. Because this assertion is specifically platform-sensitive, the retargeted exact head also needs a real Windows run before merge.- The new
eager-relay marker preconditionstest overstates what it proves. Checking thatcreateResponsesFieldBackfillBlockRewrite()returns a function does not prove thathandleResponsesregistered that rewrite or computedneedsClientRewrite === true; production could stop adding the rewrite while this test stayed green. The two modifiedhandleResponsescases are the meaningful integration coverage on Windows. Either replace the factory-only assertion with a focused seam/integration assertion for the actual registered rewrite state, or remove/rename the standalone test and make the Windows exact-head integration run the explicit evidence for the contract.
Please also resolve the still-open CodeRabbit thread after making that choice. I am not asking for a runtime change: the source behavior described by this PR remains the expected #864 fail-safe.
… to a constant `tests/ws-upstream.test.ts` has two cases failing on Windows since 5a75e57: (fail) an HTTP fallback remains on the configured legacy tee path (fail) an older runtime stays on HTTP SSE without opening a WebSocket Measured, not inferred -- both bisect endpoints were run rather than assumed: dec332c 23 pass / 0 fail 5a75e57 21 pass / 2 fail fix(grok): ... backfill required annotations That commit adds `createResponsesFieldBackfillBlockRewrite()` to `blockRewrites` unconditionally, and the factory returns an `SseBlockRewrite` rather than `undefined`, so the chain is never empty and `needsClientRewrite` in `handleResponses` is now a constant `true`. `isWin32EagerRewrite` is `platform === "win32" && needsClientRewrite` (src/lib/bun-stream-caps.ts:126), so on Windows every Responses stream now takes the eager single-reader relay -- which is exactly what lidge-jun#864 asks for, since all traffic is now rewrite traffic. Instrumented at the gate to confirm the mechanism rather than deduce it: [EAGER] {"forceCodexWsEagerRelay":false,"useEagerRelay":null, "win32EagerRewrite":true,"needsClientRewrite":true, "platform":"win32","blockRewrites":1} So the source behaviour is intended and the assertions are stale. Both cases are about the *WebSocket* path not being taken, and both already assert that directly through `FakeWebSocket.instances`; the `isEagerRelaySseResponse(...)` assertion was a second-order signal that stopped tracking WS selection on win32. Holds it to the documented rule instead of to `false`, so it stays honest on every platform rather than encoding a pre-backfill world. Adds one precondition case pinning the coupling itself -- the rewrite chain being non-empty, and the platform rule -- so if either half moves it fails somewhere that names the real cause instead of inside a WebSocket assertion. Tests only; no src change. 24 pass / 0 fail in the file (was 21/2), and the new case is mutation-checked: forcing `isWin32EagerRewrite` to `false` turns it red. 58 pass / 3 skip / 0 fail across ws-upstream, responses-field-backfill, responses-snapshot-repair-server and subagent-fallback-handle-responses. `bun run typecheck` exit 0.
…ot the factory
The `eager-relay marker preconditions` test asserted only that
`createResponsesFieldBackfillBlockRewrite()` returns a function. That would stay
green if `handleResponses` stopped adding it to `blockRewrites`, so it did not
actually protect the contract the two marker assertions depend on.
Replace it with an integration case in the existing `handleResponses` describe:
drive a Responses stream whose `output_text` part omits the required
`annotations` field, then read the client bytes back. Seeing `annotations: []`
there is only possible if the rewrite is registered and ran, which is exactly
what makes `clientBlockRewrite !== undefined` and `needsClientRewrite === true`.
The platform half stays a pure unit test on the real exported helper.
Verified on win32, exact head:
- bun run typecheck exit 0
- bun test tests/ws-upstream.test.ts 25 pass / 0 fail
Mutation-checked:
- dropping `createResponsesFieldBackfillBlockRewrite()` from `blockRewrites`
fails the new case on `toHaveProperty("annotations")` (3 fail)
- widening `isWin32EagerRewrite` past win32 fails the truth table (1 fail)
Still test-only; no runtime change.
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Both blockers addressed in 1. Rebased, and the Windows run is on the exact headRebased onto Run on 2. The precondition test did overstate what it provedYou and CodeRabbit landed on the same point and you're both right — I took the integration option rather than removing the test, because the contract is observable from outside without any new seam. The rewrite's whole job is to add output: [{ type: "message", role: "assistant",
content: [{ type: "output_text", text: "hi" }] }] // no `annotations`
...
expect(payload.response.output[0].content[0]).toHaveProperty("annotations");
expect(payload.response.output[0].content[0].annotations).toEqual([]);
expect(isEagerRelaySseResponse(response)).toBe(EAGER_RELAY_FORCED_BY_PLATFORM);Seeing The platform half stayed as a pure unit test on the real exported Mutation-checked both halves, since the old test's problem was exactly that it survived mutation:
The first row is the one that matters: under that mutation the old factory-only assertion passed, and the new one does not. Source is untouched — The CodeRabbit thread on line 362 is resolved by this same change; resolving it now. |
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The refreshed test-only head addresses both requested changes. It is based directly on current dev@caf20353f; the handler-level regression now proves the registered field-backfill rewrite through observable client bytes, the win32 truth table remains scoped to the #864 rule, and all review threads are resolved.
Independent verification on exact head 7bfcec404: bun run typecheck passed, tests/ws-upstream.test.ts passed 25/25, diff check passed, React Doctor passed, and the complete exact-head CI aggregate passed across all scheduled Linux/macOS/gate jobs. The author also supplied a real Windows 25/25 run on this same head for the platform-specific assertion. No runtime source changes are included, and no Go-native counterpart is applicable to this TypeScript test-only correction.
3 participants
Summary
Two cases in
tests/ws-upstream.test.tsfail on Windows and have since5a75e57f:Both assert
isEagerRelaySseResponse(response)isfalseand gettrue. The source behaviour is correct; the assertions are stale. This is a test-only change.Where it starts
Both bisect endpoints were run rather than assumed — I got this wrong once already by treating "the test name did not appear in a log" as "the test passed", so the endpoints here are measured:
Why it happens
5a75e57faddscreateResponsesFieldBackfillBlockRewrite()toblockRewritesunconditionally, and the factory returns anSseBlockRewrite, neverundefined. So the chain is never empty andneedsClientRewriteinhandleResponsesis now a constanttrue.isWin32EagerRewriteisplatform === "win32" && needsClientRewrite(src/lib/bun-stream-caps.ts:126), so on Windows every Responses stream now takes the eager single-reader relay.That is exactly what #864 asks for — win32 rewrite traffic must never enter the
tee()+JS-pull chain, and now all traffic is rewrite traffic. Nothing to fix insrc.Instrumented the gate to confirm the mechanism rather than deduce it:
forceCodexWsEagerRelayisfalse— the WebSocket path was correctly not chosen. The marker is set by the win32 rewrite rule alone.Change
Both cases are about the WebSocket path not being taken, and both already assert that directly through
FakeWebSocket.instances(1 opened then closed for the HTTP fallback, 0 for the older runtime). TheisEagerRelaySseResponse(...)assertion was a second-order signal that stopped tracking WS selection on win32.It now follows the documented rule instead of a constant:
so it stays honest on every platform rather than encoding a pre-backfill world.
Adds one precondition case pinning the coupling itself — the rewrite chain being non-empty, and the platform rule — so if either half moves, it fails somewhere that names the real cause instead of inside a WebSocket assertion.
Verification
The new precondition case is mutation-checked rather than merely green: forcing
isWin32EagerRewriteto returnfalseturns it red.I am on
bun 1.3.14, whichtests/ws-upstream.test.ts:42pins as not supporting the bounded relay, so the second case is one a newer-bun CI mayskipIfpast — which is likely why this has stayed unnoticed. The first case injectsBOUNDED_WS_RUNTIMEexplicitly and is runtime-independent.Review readiness checklist
This PR stays in draft until every box below is ticked. Tick all four boxes once the requirements are met:
All CI tests are green on my local testing.
I pushed my PR to the latest dev commit.
I resolved all correct Codex and CodeRabbit findings.
My PR is ready for review.
Full-suite context
The repo-wide
bun run teston this branch is not clean on Windows, and none of it is this change:tests/server-auth.test.ts > OpenAI option auth matrix keeps direct, pool, and API credentials independentfails reproducibly — twice in a row on a tree checked out wholesale toorigin/dev, with this branch's only file reverted. Pre-existing, and separate from the failures fixed here.CodeRabbit protection regressions,fixture-dir-uniqueness, and two#584pool-retry cases failed in the full run and pass in isolation. They are load-dependent; each full-suite run on this machine reddens a different subset.tests/ws-upstream.test.ts— the file this PR touches — is 25 pass / 0 fail on win32 at the rebased head7bfcec404(basecaf20353f, 0 behind), and no longer appears in the full-run failures at all. The first checklist box is ticked against that scope; the two items above are pre-existing on cleandevand are not claimed as green.Summary by CodeRabbit