mirror of
https://github.com/callstack/agent-device.git
synced 2026-09-14 20:06:34 +08:00
Michał Pierzchała
60400d04b7
* feat(mutation): add target-annotation-serde + snapshot-occlusion kernels Both are pure decision kernels the lane's own membership rule covers (target-annotation-serde: parse/validate/normalize the .ad comment-line codec, zero I/O; snapshot-occlusion: pure covered/not-covered decision where a wrong answer silently blocks or mis-allows a tap) but were excluded from KERNEL_MODULES. Fixing the harness's packages/*/src blind spot was required, not optional: test-scope.ts, ownership.ts, and vitest.mutation.config.ts all hardcoded `src/` as the only place a kernel's tests could live. target-annotation-serde's own tests live under packages/ad-script/src/internal/__tests__/, so without this fix the module would score 0% from day one — not from weak tests, but because its test file was silently invisible to the lane. Widened the same three places, plus mutation-affected.yml's path filter and isTestFile/ownedTestFiles in ownership.ts, to also recognize packages/*/src/**/*.test.ts (mirroring vitest.config.ts's own unit-core project include list). Triaged every surviving mutant from the initial run: real coverage gaps got a new/adjusted test (kill-with-test), everything else is documented equivalent with an inline comment at the mutation site explaining the invariant that makes it unobservable (redundant early-returns, JSON.stringify dropping undefined-valued keys, Number.isFinite/isSafeInteger's total-function safety, caller-enforced positiveRect/candidate invariants, etc). Baseline recorded from the actual measured run, not inherited or guessed: 94.03% (315/335) and 89.74% (175/195). * style: run the formatter over the four files the gate flagged
44 lines
2.6 KiB
JSON
44 lines
2.6 KiB
JSON
{
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"$schema": "./node_modules/@stryker-mutator/core/schema/stryker-schema.json",
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"_comment": "Decision-kernel mutation lane (issue #1415). The mutate list below MUST mirror KERNEL_MODULES in scripts/mutation/modules.ts — scripts/mutation/config.test.ts asserts it. Ratchet verdicts come from scripts/mutation/run.ts, never from Stryker's own thresholds. Any edit here changes the config content hash, which invalidates every recorded baseline as non-comparable until re-recorded with `pnpm mutation:baseline`.",
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"packageManager": "pnpm",
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"tsconfigFile_comment": "Points at a path that does not exist on purpose. Stryker's sandbox rewrites tsconfig `extends`/`references` through the classic TypeScript API, which the repo's TypeScript 7 native package no longer exposes (`ts.parseConfigFileTextToJson is not a function`). Our tsconfig has neither extends nor references, so there is nothing to rewrite — skipping the preprocessor is exact, not a workaround for a real dependency. The behaviour relied on is that the preprocessor no-ops when the file is absent: see packages/core/src/sandbox/ts-config-preprocessor.ts (https://github.com/stryker-mutator/stryker-js/blob/master/packages/core/src/sandbox/ts-config-preprocessor.ts) and https://stryker-mutator.io/docs/stryker-js/configuration/#tsconfigfile-string. Re-check it on every Stryker upgrade: if a future version errors on a missing tsconfig instead, point this at a real, extends-free tsconfig.",
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"tsconfigFile": "tsconfig.stryker-absent.json",
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"plugins_comment": "Named explicitly: the default `@stryker-mutator/*` glob does not resolve under pnpm's non-flat node_modules, so plugin discovery finds no test runner.",
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"plugins": ["@stryker-mutator/vitest-runner"],
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"testRunner": "vitest",
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"vitest": {
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"configFile": "vitest.mutation.config.ts",
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"related": true
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},
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"reporters": ["progress", "clear-text", "json"],
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"jsonReporter": {
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"fileName": ".tmp/mutation/mutation.json"
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},
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"htmlReporter": {
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"fileName": ".tmp/mutation/mutation.html"
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},
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"coverageAnalysis": "perTest",
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"ignoreStatic": true,
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"tempDirName": ".tmp/stryker",
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"cleanTempDir": true,
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"timeoutMS": 20000,
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"timeoutFactor": 2,
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"thresholds": {
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"high": 90,
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"low": 70,
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"break": null
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},
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"mutate": [
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"packages/kernel/src/errors.ts",
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"src/daemon/ref-frame.ts",
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"src/commands/interaction/runtime/settle.ts",
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"src/utils/scroll-edge-state.ts",
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"src/selectors/**/*.ts",
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"!src/selectors/**/*.test.ts",
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"!src/selectors/__tests__/**",
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"packages/ad-script/src/internal/target-annotation-serde.ts",
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"src/snapshot/snapshot-occlusion.ts"
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]
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}
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