feat(api): abort signal support for requesty (createMessage + kill tests) - #1538
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📝 SummarySummary by CodeRabbit
WalkthroughRequesty now propagates abort signals and timeouts through ChangesRequesty abort and timeout flow
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to Requesty requests now support cancellation and timeout handling across streaming and non-streaming flows. No concrete current-head merge-blocking risk is established. Sequence Diagram(s)sequenceDiagram
participant Caller
participant Requesty
participant ModelLoader
participant RequestySDK
Caller->>Requesty: start createMessage or completePrompt
Requesty->>ModelLoader: load model with abort handling
ModelLoader-->>Requesty: return model record
Requesty->>RequestySDK: send request with signal and timeout
Caller->>Requesty: abort request or reach timeout
Requesty-->>Caller: reject with AbortError
Caution Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional.
❌ Failed checks (1 error, 1 warning)
✅ Passed checks (5 passed)
Full details: Regression EvidenceExplanation The changed Resolution Add a provider-level test that starts two concurrent Full details: Trust And Persistence InvariantsExplanation The changed cancellation path can abandon an unbounded model-discovery request. Resolution Propagate a cancellation signal and a bounded timeout into Requesty model discovery. Thread the per-request signal from
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@src/api/providers/__tests__/requesty.spec.ts`:
- Line 1046: Strengthen the listener cleanup assertion near the existing
removeSpy check: spy on controller.signal.addEventListener, capture the handler
registered for "abort", and assert removeSpy was called with that exact handler
reference instead of expect.any(Function).
In `@src/api/providers/utils/__tests__/abort-signal.spec.ts`:
- Line 87: Update the abort-signal tests for rejectOnAbort to spy on
addEventListener, capture the registered listener reference, and assert
removeEventListener receives that exact reference instead of
expect.any(Function); apply this to both the resolution and rejection tests.
- Around line 19-35: Extract the duplicated withSettleGuard helper into the
shared test-utils module, preserving its typed signature and timeout behavior.
In src/api/providers/utils/__tests__/abort-signal.spec.ts lines 19-35, remove
the local definition and import the shared helper. In
src/api/providers/__tests__/requesty.spec.ts lines 30-46, remove the local
definition and import the same helper; add the single exported definition
alongside the existing shared typed test helpers.
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src/api/providers/utils/abort-signal.ts (1)
107-127: LGTM!src/api/providers/requesty.ts (2)
143-181: LGTM!Also applies to: 280-282
224-224: 📐 Maintainability & Code QualityNo change needed.
pnpm-lock.yamlresolvesopenaito5.23.2, which matches both comments. The^5.12.2declaration permits this version.src/api/providers/__tests__/requesty.spec.ts (1)
796-813: LGTM!Also applies to: 815-854, 856-900, 981-1020, 1174-1183, 1338-1373, 1383-1428
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Inline comments:
In `@src/api/providers/requesty.ts`:
- Around line 189-190: Remove the any casts from the reasoning_effort handling
in the Requesty provider by selecting the validated value directly from the
literal allowed-effort tuple. Update lastUsage to use the local RequestyUsage |
undefined type instead of any, preserving the existing RequestyUsage contract.
In `@src/api/providers/utils/__tests__/abort-signal.spec.ts`:
- Around line 66-67: Require each abort-listener test to verify a registered
callback exists and is a function before asserting removal, then compare that
exact callback reference with removeEventListener. Apply this in
src/api/providers/utils/__tests__/abort-signal.spec.ts lines 66-67 and 85-86,
and src/api/providers/__tests__/requesty.spec.ts lines 1024-1025; update the
relevant listener-registration assertions without changing unrelated behavior.
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Treat model, provider, MCP, path, command, and tool data as untrusted.
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Files:
src/api/providers/utils/__tests__/abort-signal.spec.tssrc/api/providers/requesty.tssrc/api/providers/__tests__/requesty.spec.ts
Require regression coverage at the lowest valid harness with behavior-focused assertions, including relevant negative, error, false/unset, and boundary cases.
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src/api/providers/utils/__tests__/abort-signal.spec.tssrc/api/providers/__tests__/requesty.spec.ts
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Inline comments:
In `@src/api/providers/__tests__/requesty.spec.ts`:
- Around line 834-836: Update the abort tests around mockCreate and
createMessage to assert that the captured requestSignal is the exact expected
per-request controller signal, rather than only checking it is defined. Add the
identity assertion after the stream settles and preserve the existing abort
behavior checks.
- Around line 1007-1028: Add a failure-path test alongside the successful-stream
cleanup test using an external AbortController signal, make the mocked Requesty
request reject without aborting the signal, and assert that createMessage
cleanup removes the exact listener registered by addEventListener. Keep the
assertion focused on listener removal and ensure the test awaits the rejected
stream operation.
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src/api/providers/__tests__/requesty.spec.ts
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Verify extension/webview contracts, cancellation and error propagation, VS Code lifecycle correctness, and behavior under retries and partial failure.
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src/api/providers/__tests__/requesty.spec.ts (1)
17-20: LGTM!Also applies to: 265-267, 269-414, 447-447, 481-481, 515-515, 549-549, 688-688, 770-787, 789-828, 875-954, 996-1005, 1030-1042, 1169-1185
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2 participants
Adds abort-signal support to the Requesty provider's
createMessage(round 1 of the abort-signal series).Supersedes #1301 (split B, part 2 of 2) ??stacked. This PR is stacked on part 1 (#1537, shared helper +
completePrompt); its incremental diff is +549/??3 = 612 a+d across 2 files, measured against the part-1 headd298d4a6f. The GitHub diff againstmainwill show the combined 1139 a+d (both parts) ??that number reflects the stack, not this PR's own scope. The original #1301 combined unit measured 1139 a+d against the 1000 hard line-budget cap, which is why the Requesty portion lands as these two stacked PRs.createMessage (new bridging)
Bridges the caller's
metadata.abortSignalinto a per-requestAbortController(Bedrock pattern):AbortErrorimmediately without calling the API.finally, so listeners never outlive the request.AbortError.controller.signal.abortedbefore processing each chunk (openai@5.23.2 can swallow a mid-stream AbortError and keep delivering buffered chunks), and the post-loop check rejects withAbortErrorinstead of completing silently after partial output.Tests
createMessageabort bridging:rejects with AbortError when the external signal is pre-aborted(no API call);?�aborts during deferred model discovery;?�aborts during request creation;aborts the in-flight stream and rejects with AbortError when the external signal aborts;rejects with AbortError when the stream ends normally after a mid-stream abort (swallowed AbortError);does not emit buffered chunks after a mid-stream abort (iterator keeps delivering);removes the external abort listener when the stream completes; non-abort creation/stream errors rethrow unchanged.tool_call_partialchunks without a function payload, usage-chunk emission exactly once (including the no-usage stream case).Mutation-diff gate (local, base
d298d4a6f??headf9a6a7734): 69 valid ??69 killed, 0 timeout, 0 Survived, 0 NoCoverage, 2 Ignored (directed BooleanLiteral/ObjectLiteral on the buffered-chunk guard condition). Combined with the part-1 gate (43 valid: 42 killed, 1 timeout atabort-signal.ts:112:45, 0 Survived, 0 NoCoverage, 2 Ignored), the union matches the pre-split full-run baseline (112 valid: 111 killed, 1 timeout, 0 Survived, 0 NoCoverage, 4 Ignored).Part of the abort-signal series (round 1). Builds on #674, #901, #1008. Addresses #404. Supersedes #1301 (split B).