[Repo Assist] test: add SideEffects module to TaskSeq.Unfold.Tests.fs#405
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[Repo Assist] test: add SideEffects module to TaskSeq.Unfold.Tests.fs#405github-actions[bot] wants to merge 2 commits intomainfrom
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Adds 6 new tests covering: - Generator side-effects accumulate across re-iterations (both sync and async) - take stops the generator after the requested number of elements - Exceptions thrown inside sync and async generators propagate correctly Before: 14 test runs After: 20 test runs Co-authored-by: Copilot <[email protected]>
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Summary
TaskSeq.Unfold.Tests.fshadEmptySeqandFunctionalitymodules but was missing aSideEffectsmodule, unlike most other test files in the suite.This PR adds a
SideEffectsmodule with 6 new tests:New tests
unfold generator side-effects accumulate across re-iterations(sync): Closes over mutable external state; verifies that re-iterating calls the generator fresh from the initial seed but the external counter keeps climbing — 4 calls per iteration (3 Some + 1 None), so 8 total after two iterations.unfoldAsync generator side-effects accumulate across re-iterations(async): Same verification for the async variant.unfold with take stops generator calls at the limit(sync): An always-Someinfinite generator combined withtake 5; proves the generator is called exactly 5 times — no extra sentinel call is needed when the source never returnsNone.unfoldAsync with take stops generator calls at the limit(async): Same for the async variant.unfold propagates exception thrown inside the generator: Verifies that afailwithatn = 3surfaces asSystem.Exceptionwhen the sequence is consumed.unfoldAsync propagates exception thrown inside the async generator: Same for the async variant.Test growth
Test Status
dotnet build src/FSharp.Control.TaskSeq.Test -c Release— succeeded (0 warnings, 0 errors)dotnet test --filter Unfold -c Release— 20 passed, 0 faileddotnet fantomas src/.../TaskSeq.Unfold.Tests.fs --check— clean