mirror of
https://github.com/callstack/agent-device.git
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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
45 lines
2.2 KiB
TypeScript
45 lines
2.2 KiB
TypeScript
import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { defineConfig } from 'vitest/config';
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import { workspaceSpecifierTargets } from './scripts/layering/package-boundaries.ts';
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import { readTestScope, threadHostileTestFiles } from './scripts/mutation/test-scope.ts';
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import { SUBPROCESS_STUB_TESTS } from './vitest.config.ts';
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const repoRoot = path.dirname(fileURLToPath(import.meta.url));
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// Workspace-package aliases for the Stryker sandbox (#1490 W0). Stryker copies
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// the tree into .stryker-tmp and symlinks node_modules back to the real repo,
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// so a `@agent-device/*` specifier resolved through pnpm's link escapes the
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// sandbox: mutants written into the sandbox copy never load, and
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// `vitest related` finds no tests for a mutated package file. Aliasing each
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// EXPORTED specifier to its source file — resolved relative to this config,
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// which Stryker copies into the sandbox — keeps resolution inside the mutated
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// tree. Entries come from the shared exports-map reader, never a wildcard, so
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// this cannot resolve package internals the boundary forbids (R11).
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const workspaceAliases = [...workspaceSpecifierTargets(repoRoot)].map(([find, target]) => ({
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find,
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replacement: path.join(repoRoot, target),
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}));
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// Test scope for the decision-kernel mutation lane (issue #1415).
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//
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// `scripts/mutation/run.ts` derives the per-run scope from Vitest's module graph
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// (`vitest related` over the mutated files) and hands it over through
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// AGENT_DEVICE_MUTATION_TEST_FILES; the fallback is the deterministic unit suite,
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// which keeps `pnpm exec stryker run` usable by hand. Excluded either way: the
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// subprocess-stub group and the CLI-capture tests — see
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// scripts/mutation/test-scope.ts for why, and why excluding them cannot hide a
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// surviving mutant.
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const scope = readTestScope();
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export default defineConfig({
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resolve: {
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alias: workspaceAliases,
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},
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test: {
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include: scope ?? ['src/**/*.test.ts', 'packages/*/src/**/*.test.ts'],
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exclude: [...SUBPROCESS_STUB_TESTS, ...threadHostileTestFiles(repoRoot), '**/node_modules/**'],
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setupFiles: ['src/__tests__/hermetic-env-setup.ts', 'src/__tests__/process-memo-setup.ts'],
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},
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});
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