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https://github.com/MBombeck/HealthLog.git
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Marc-André Bombeck
f5d4dd2ec6
Stryker runs against encryption at rest, medication compliance, the rollups, source ranking, unit conversion and backup validation, with the unit tests that live next to them (vitest.mutation.config.mts). It is too slow for a pull request and runs nightly and on demand (.github/workflows/mutation.yml). scripts/mutation-floors.mjs reads the JSON report and fails when a module scores below its floor in stryker.floors.json, so one well-tested module cannot hide a weak one. The floors sit two points below the first measured scores: crypto 46.9 %, compliance 66.8 %, rollups 41.7 %, source ranking 57.0 %, units 87.4 %, backup validation 25.5 %. @stryker-mutator/vitest-runner 10.0.0 predates Vitest 5, which names a test "describe > test" where the runner still built "describe test". Every test inside a describe block was filtered out of the mutant runs, so nearly every mutant survived (5.5 % across the set). A pnpm patch builds the name the way Vitest 5 does; the Docker dependency stage copies the patches directory, which the frozen install needs.
64 lines
2.5 KiB
JavaScript
64 lines
2.5 KiB
JavaScript
/**
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* Mutation testing for the core libraries: the modules where a wrong answer
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* is silent and costly (encryption at rest, medication compliance, rollups,
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* source ranking, unit conversion, backup validation).
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*
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* Not on pull requests: the full run takes the better part of an hour. It
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* runs nightly and on demand (`.github/workflows/mutation.yml`), and locally
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* with `pnpm exec stryker run`. The score of each module is checked against
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* the floor in `stryker.floors.json` by `node scripts/mutation-floors.mjs`,
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* so a floor is per module rather than one number for the whole run.
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*
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* The tests that run are the unit tests next to these modules (see
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* `vitest.mutation.config.mts`), not the whole suite: a mutant that only a
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* route test or an integration test would catch counts as surviving here,
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* so a score is a lower bound on what the full suite catches.
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*
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* Vitest 5 names a test "describe > test" where @stryker-mutator/vitest-runner
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* 10.0.0 still built "describe test", so every test inside a describe block
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* was filtered out of the mutant runs and nearly every mutant survived.
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* `patches/@stryker-mutator__vitest-runner@10.0.0.patch` builds the name the
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* Vitest 5 way; drop it once a runner release does the same.
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*/
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const config = {
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testRunner: "vitest",
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vitest: { configFile: "vitest.mutation.config.mts" },
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plugins: ["@stryker-mutator/vitest-runner"],
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mutate: [
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"src/lib/crypto.ts",
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"src/lib/analytics/compliance/*.ts",
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"src/lib/rollups/measurement-rollups.ts",
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"src/lib/rollups/tiered-context.ts",
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"src/lib/analytics/source-priority.ts",
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"src/lib/analytics/source-rank-sql.ts",
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"src/lib/measurements/display-transform.ts",
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"src/lib/glucose.ts",
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"src/lib/validations/backup.ts",
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],
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coverageAnalysis: "perTest",
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incremental: true,
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incrementalFile: "reports/mutation/stryker-incremental.json",
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reporters: ["clear-text", "progress", "html", "json"],
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htmlReporter: { fileName: "reports/mutation/index.html" },
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jsonReporter: { fileName: "reports/mutation/mutation.json" },
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// The per-module floors live in stryker.floors.json; the run itself never
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// fails on a score, only on an error.
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thresholds: { high: 80, low: 60, break: null },
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timeoutMS: 20_000,
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tempDirName: ".stryker-tmp",
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cleanTempDir: "always",
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ignorePatterns: [
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"/.next",
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"/e2e",
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"/docs",
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"/public",
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"/assets",
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"/reports",
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"/playwright-report",
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"/test-results",
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"/tests/integration",
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],
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};
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export default config;
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