Run typespec-ts unit tests in the repo-wide vitest run#4788
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Remove the typespec-ts exclusion from the root vitest configs so the repo-wide run includes its unit tests (test-next + unit-modular), while keeping the Spector end-to-end integration project out of that run via a top-level unit-only include. Scenario paths in the modular-unit suite now resolve against the package root so they no longer depend on cwd. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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MaryGao,
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maorleger,
markcowl,
qiaozha and
timotheeguerin
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⚡ Benchmark Results✅ No performance regressions detected. Full details – comparing
|
| Metric | Baseline | Current | Change |
|---|---|---|---|
| total | 🔴 877.2ms | 🔴 743.4ms | -15.2% 🟢 |
| loader | 🟡 259.8ms | 🟡 221.0ms | -14.9% 🟢 |
| resolver | 🟢 33.0ms | 🟢 32.2ms | -2.4% |
| checker | 🟡 309.9ms | 🟡 266.9ms | -13.9% 🟢 |
| validation | 🟢 72.0ms | 🟢 65.9ms | -8.4% 🟢 |
| ↳ validation/@azure-tools/typespec-azure-core | 🟡 10.5ms | 🟢 9.2ms | -11.9% 🟢 |
| ↳ validation/@typespec/http | 🟡 12.2ms | 🟡 11.3ms | -7.8% |
| ↳ validation/@typespec/rest | 🟢 1.3ms | 🟢 1.1ms | -11.3% |
| ↳ validation/@typespec/versioning | 🔴 44.7ms | 🔴 41.2ms | -7.8% 🟢 |
| ↳ validation/compiler | 🟢 3.2ms | 🟢 3.1ms | -3.1% |
| linter | 🟢 187.4ms | 🟢 157.3ms | -16.1% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/auth-required | 🟢 0.1ms | 🟢 0.1ms | +0.2% |
| ↳ linter/@azure-tools/typespec-azure-core/bad-record-type | 🟢 0.5ms | 🟢 0.5ms | -2.0% |
| ↳ linter/@azure-tools/typespec-azure-core/byos | 🟢 7.4ms | 🟢 6.2ms | -17.1% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/casing-style | 🟢 1.2ms | 🟢 1.1ms | -4.2% |
| ↳ linter/@azure-tools/typespec-azure-core/composition-over-inheritance | 🟢 0.1ms | 🟢 0.1ms | -1.9% |
| ↳ linter/@azure-tools/typespec-azure-core/documentation-required | 🟢 1.6ms | 🟢 1.5ms | -5.7% |
| ↳ linter/@azure-tools/typespec-azure-core/friendly-name | 🟢 1.1ms | 🟢 1.0ms | -7.9% |
| ↳ linter/@azure-tools/typespec-azure-core/key-visibility-required | 🟢 0.3ms | 🟢 0.3ms | -11.4% |
| ↳ linter/@azure-tools/typespec-azure-core/known-encoding | 🟢 0.4ms | 🟢 0.4ms | -10.9% |
| ↳ linter/@azure-tools/typespec-azure-core/long-running-polling-operation-required | 🟢 0.6ms | 🟢 0.6ms | -6.0% |
| ↳ linter/@azure-tools/typespec-azure-core/no-case-mismatch | 🟢 0.6ms | 🟢 0.5ms | -3.5% |
| ↳ linter/@azure-tools/typespec-azure-core/no-closed-literal-union | 🟢 0.8ms | 🟢 0.7ms | -3.6% |
| ↳ linter/@azure-tools/typespec-azure-core/no-enum | 🟢 0.2ms | 🟢 0.2ms | +9.7% |
| ↳ linter/@azure-tools/typespec-azure-core/no-error-status-codes | 🟢 0.2ms | 🟢 0.2ms | -5.0% |
| ↳ linter/@azure-tools/typespec-azure-core/no-explicit-routes-resource-ops | 🟢 0.1ms | 🟢 0.1ms | -14.7% |
| ↳ linter/@azure-tools/typespec-azure-core/no-format | 🟢 0.7ms | 🟢 0.6ms | -14.7% |
| ↳ linter/@azure-tools/typespec-azure-core/no-generic-numeric | 🟢 0.7ms | 🟢 0.7ms | -6.3% |
| ↳ linter/@azure-tools/typespec-azure-core/no-header-explode | 🔴 23.6ms | 🟡 18.6ms | -20.9% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/no-legacy-usage | 🟢 1.7ms | 🟢 1.6ms | -7.1% |
| ↳ linter/@azure-tools/typespec-azure-core/no-multiple-discriminator | 🟢 0.2ms | 🟢 0.2ms | -8.0% |
| ↳ linter/@azure-tools/typespec-azure-core/no-nullable | 🟢 0.4ms | 🟢 0.3ms | -10.3% |
| ↳ linter/@azure-tools/typespec-azure-core/no-offsetdatetime | 🟢 1.7ms | 🟢 1.5ms | -12.6% |
| ↳ linter/@azure-tools/typespec-azure-core/no-openapi | 🟢 2.2ms | 🟢 1.8ms | -17.6% |
| ↳ linter/@azure-tools/typespec-azure-core/no-private-usage | 🟢 2.7ms | 🟢 2.4ms | -9.9% |
| ↳ linter/@azure-tools/typespec-azure-core/no-query-explode | 🔴 24.7ms | 🟡 19.6ms | -20.7% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/no-response-body | 🔴 29.6ms | 🔴 24.0ms | -18.9% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/no-rest-library-interfaces | 🟢 0.1ms | 🟢 0.1ms | +2.9% |
| ↳ linter/@azure-tools/typespec-azure-core/no-route-parameter-name-mismatch | 🟢 6.7ms | 🟢 5.3ms | -20.4% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/no-rpc-path-params | 🟢 0.3ms | 🟢 0.3ms | -10.8% |
| ↳ linter/@azure-tools/typespec-azure-core/no-string-discriminator | 🟢 0.1ms | 🟢 0.1ms | -5.7% |
| ↳ linter/@azure-tools/typespec-azure-core/no-unknown | 🟢 0.3ms | 🟢 0.3ms | -11.0% |
| ↳ linter/@azure-tools/typespec-azure-core/no-unnamed-union | 🟢 0.6ms | 🟢 0.6ms | -6.6% |
| ↳ linter/@azure-tools/typespec-azure-core/operation-missing-api-version | 🟢 0.3ms | 🟢 0.3ms | -5.6% |
| ↳ linter/@azure-tools/typespec-azure-core/request-body-problem | 🟢 0.4ms | 🟢 0.4ms | -9.2% |
| ↳ linter/@azure-tools/typespec-azure-core/require-versioned | 🟢 0.0ms | 🟢 0.0ms | +1.8% |
| ↳ linter/@azure-tools/typespec-azure-core/response-schema-problem | 🔴 28.6ms | 🔴 23.7ms | -17.2% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/rpc-operation-request-body | 🟢 0.6ms | 🟢 0.5ms | -13.5% |
| ↳ linter/@azure-tools/typespec-azure-core/spread-discriminated-model | 🟢 0.4ms | 🟢 0.3ms | -10.9% |
| ↳ linter/@azure-tools/typespec-azure-core/use-standard-names | 🟢 6.7ms | 🟢 5.4ms | -19.5% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-core/use-standard-operations | 🟢 0.2ms | 🟢 0.2ms | -10.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-agent-base-type-child-resources | 🟡 15.3ms | 🟢 9.5ms | -38.1% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-agent-base-type-lifecycle-operations | 🟢 0.2ms | 🟢 0.2ms | -12.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-common-types-version | 🟢 9.5ms | 🟢 8.6ms | -9.4% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-custom-resource-no-key | 🟢 0.2ms | 🟢 0.2ms | -0.9% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-custom-resource-usage-discourage | 🟢 0.1ms | 🟢 0.1ms | -4.5% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-delete-operation-response-codes | 🟢 4.4ms | 🟢 4.3ms | -3.9% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-no-path-casing-conflicts | 🟡 13.9ms | 🟡 12.3ms | -11.5% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-no-record | 🟢 0.5ms | 🟢 0.5ms | -1.7% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-post-operation-response-codes | 🟢 1.2ms | 🟢 1.4ms | +21.4% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-put-operation-response-codes | 🟢 0.2ms | 🟢 0.2ms | -0.2% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-action-no-segment | 🟢 0.4ms | 🟢 0.3ms | -7.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-duplicate-property | 🟢 0.3ms | 🟢 0.3ms | -3.8% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-interface-requires-decorator | 🟢 0.1ms | 🟢 0.1ms | +6.4% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-invalid-action-verb | 🟢 0.1ms | 🟢 0.1ms | -7.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-invalid-envelope-property | 🟢 0.2ms | 🟢 0.2ms | -3.0% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-invalid-version-format | 🟢 0.2ms | 🟢 0.2ms | +7.1% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-key-invalid-chars | 🟢 0.4ms | 🟢 0.4ms | -10.3% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-name-pattern | 🟢 0.1ms | 🟢 0.1ms | +9.2% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-operation | 🟢 0.4ms | 🟢 0.4ms | -0.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-operation-response | 🟢 7.5ms | 🟢 6.9ms | -7.8% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-patch | 🟢 0.7ms | 🟢 0.6ms | -7.1% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-path-segment-invalid-chars | 🟢 0.3ms | 🟢 0.3ms | -7.1% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-provisioning-state | 🟢 0.3ms | 🟢 0.4ms | +8.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/beyond-nesting-levels | 🟢 0.2ms | 🟢 0.2ms | -0.8% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/empty-updateable-properties | 🟢 0.3ms | 🟢 0.3ms | -4.1% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/improper-subscription-list-operation | 🟢 0.1ms | 🟢 0.1ms | +0.6% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/lro-location-header | 🟡 17.2ms | 🟡 13.5ms | -21.3% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/missing-operations-endpoint | 🟢 0.1ms | 🟢 0.1ms | +4.5% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/missing-x-ms-identifiers | 🟢 0.8ms | 🟢 0.8ms | +6.8% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/no-empty-model | 🟢 0.2ms | 🟢 0.2ms | -0.0% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/no-override-props | 🟢 0.2ms | 🟢 0.2ms | +3.2% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/no-resource-delete-operation | 🟢 0.4ms | 🟢 0.3ms | -8.9% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/no-response-body | 🔴 25.9ms | 🔴 20.9ms | -19.3% 🟢 |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/patch-envelope | 🟢 0.3ms | 🟢 0.3ms | -6.4% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/resource-name | 🟢 0.3ms | 🟢 0.3ms | -5.0% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/secret-prop | 🟢 4.6ms | 🟢 4.2ms | -9.7% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/unsupported-type | 🟢 0.6ms | 🟢 0.5ms | -4.2% |
| ↳ linter/@azure-tools/typespec-azure-resource-manager/version-progression | 🟢 0.2ms | 🟢 0.2ms | +14.2% |
| ↳ linter/@azure-tools/typespec-client-generator-core/property-name-conflict | 🟢 1.9ms | 🟢 1.7ms | -9.0% |
| ↳ linter/@azure-tools/typespec-client-generator-core/require-client-suffix | 🟢 1.2ms | 🟢 1.3ms | +7.7% |
| emit | 🔴 5.71s | 🔴 4.45s | -22.1% 🟢 |
| ↳ emit/@Azure-Tools | 🟢 0.0ms | 🟢 0.0ms | +0.0% |
| ↳ emit/@azure-tools/typespec-autorest | 🟢 108.7ms | 🟢 95.2ms | -12.4% 🟢 |
| ↳ emit/@azure-tools/typespec-python | 🔴 2.15s | 🔴 1.65s | -23.5% 🟢 |
| ↳ emit/@typespec | 🟢 0.0ms | 🟢 0.0ms | +0.0% |
| ↳ emit/@typespec/http-client-js | 🔴 521.8ms | 🔴 430.1ms | -17.6% 🟢 |
| ↳ emit/@typespec/openapi3 | 🟢 94.8ms | 🟢 79.9ms | -15.7% 🟢 |
| ↳ emit/@typespec/openapi3/compute | 🟢 82.5ms | 🟢 69.5ms | -15.7% 🟢 |
| ↳ emit/@typespec/openapi3/write | 🟢 12.2ms | 🟢 10.2ms | -16.2% 🟢 |
Averaged across 3 specs (azure-arm-resource-manager, azure-core-dataplane, azure-full).
Threshold: changes > ±5% are highlighted.
🟢 Fast · 🟡 Moderate (stages >200ms, rules >10ms) · 🔴 Slow (stages >400ms, rules >20ms)
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You can try these changes here
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In Vitest 4 poolOptions was removed; its sub-options are now top-level test.* fields. The nested poolOptions.forks.execArgv was silently ignored, so the --max-old-space-size cap was never applied. Hoist execArgv to the top level so it takes effect. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
… tcgc changes The repo-wide vitest run exists as a cross-package regression net. Only the fast test-next suite (~14s) is included there; the heavy unit-modular suite (~150s of TypeSpec compiles) is kept out to keep the run fast. To preserve cross-package emit coverage, ci-typescript.yml now also triggers on typespec-client-generator-core (tcgc) changes, so a tcgc change runs the full typespec-ts unit + e2e suites. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
4 tasks
typespec-ts emits from the ARM library (workspace dep), so ARM lib changes can alter generated output (as #4494 did, silently breaking modular-unit snapshots). Add packages/typespec-azure-resource-manager to ci-typescript.yml triggers alongside tcgc so those cross-package emit regressions run the full typespec-ts unit + e2e suites. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
timotheeguerin
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Jul 2, 2026
…ure#4795) (Azure#4796) ## Why PR Azure#4494 ("Improve documentation for ARM library decorators, interfaces, and models") added `@doc("")` to the ARM `ArmResourceActionAsync` operation template, so those operations no longer emit a public doc comment. Because Azure#4494 did not touch `packages/typespec-ts/**`, `ci-typescript.yml` never ran on it, and the stale `modular-unit` scenario snapshot landed on `main` unnoticed. This made the **typespec-ts / CI -> Run unit tests** job red on `main` and on every typespec-ts PR (including Azure#4788). ## What changed - Updated the `bodyOptionalParameterName.md` modular-unit scenario to drop the now-empty ARM operation doc comment (`/** A long-running resource action. */`) and the corresponding sample summary text, matching what the current ARM library emits. - Added an `internal` chronus changeset for `@azure-tools/typespec-ts`. ## Notes for reviewers - The drift was narrower than the issue implied. Only `bodyOptionalParameterName.md` actually failed: its `backup` op uses `ArmResourceActionAsync` (which got `@doc("")`). `lroPaging.md` still passes because its `suspend` op uses `ArmResourceActionAsyncBase`, which Azure#4494 left with a public doc, so it correctly still emits `A long-running resource action.` - I did not commit the full `SCENARIOS_UPDATE=true` output. Write mode reformats every scenario through prettier and produced 46 changed files (+1039/-763), but 44 of those were pure formatting noise: the runner's assertion is whitespace-normalized (`ignoreWeirdLine`), so those never actually failed. I discarded the noise and hand-applied only the 3 genuine doc removals to keep the diff minimal and reviewable. ## Verification - `pnpm unit-test` -> 657 passed - `pnpm test-next` -> 252 passed - `pnpm chronus verify` -> clean - prettier `--check` on changed files -> clean ## Follow-up (out of scope) ARM library (`typespec-azure-resource-manager`) changes can alter typespec-ts emitted output but do not trigger `ci-typescript.yml`, so this drift class can recur. Consider widening the workflow `paths` triggers to include the emitter's TypeSpec library dependencies. Tracked separately. Fixes: Azure#4795 Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Co-authored-by: JialinHuang803 <139532647+JialinHuang803@users.noreply.github.com>
The test-next ts-morph integration tests (e.g. binder.test.ts) invoke the TypeScript type checker and sit near Vitest's 5s default even unloaded. In the repo-wide run every package's tests run concurrently, and under that pressure one binder test exceeded 5s and failed on the Windows CI runner. The repo-wide run uses this file's top-level test config (nested projects are ignored there), which had no testTimeout. Set a 10s timeout (double the default) at the top level and on the test-next project so it holds whether run repo-wide or standalone, without masking a genuine hang. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
timotheeguerin
approved these changes
Jul 6, 2026
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What
Removes the
typespec-tsexclusion from the rootvitest.config.ts/vitest.config.fast.tsso the repo-wide vitest run now includes the typespec-ts unit tests (test-next+unit-modular), while keeping the end-to-end Spector integration project (integration-azure-modular) out of that run.Why it wasn't this simple
Two things had to be solved:
Vitest flattens but ignores nested projects. When the root config references
packages/typespec-ts/vitest.config.tsas a project, vitest 4 ignores that file's nestedtest.projectsand instead uses its top-leveltest.include. So I added a top-levelincludelisting only the unit globs, plus theunit-modularpool/timeout settings (testTimeout: 0, forked pool, 1 GB heap) at the top level. The three named projects remain for local--projectselection (pnpm test-next,pnpm unit-test,pnpm integration-test:alone).The real reason for the original exclusion: the generated
modular-unitscenario suites resolved scenario directories relative toprocess.cwd(), so they only worked when cwd waspackages/typespec-ts. They now resolve against the package root (viaimport.meta.url) inscenario-runner.tsandscenario-suites.guard.test.ts, making them cwd-independent.Validation
vitest.config.fast.tsruns the typespec-ts modular-unit suite (657 tests) — all pass.pnpm test-next(252) andpnpm unit-test(657) still pass; the integration project still resolves forpnpm integration-test:alone.gen:scenario-suitesoutput unchanged; lint,tsc, prettier, and chronus verify all pass.The dedicated
ci-typescript.ymlworkflow is intentionally left as-is (fast path-filtered unit feedback + the e2e Spector job).