26 lines
1.1 KiB
TypeScript
26 lines
1.1 KiB
TypeScript
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/**
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* Combined-coverage collector for the unit tests.
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*
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* When `COVERAGE=1`, `vite-plugin-istanbul` (wired in vite.config.ts) instruments
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* `src/` during Vitest's transform — the SAME instrumenter the Playwright e2e
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* build uses — so the two coverage sets are mergeable. After every test file we
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* dump the accumulated `globalThis.__coverage__` into `tests/e2e/.nyc_output_unit`
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* (separate from the e2e `.nyc_output`). `tests/e2e/coverage-report.cjs` can then
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* report unit-only, e2e-only, or the merge of both.
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*
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* Off unless `COVERAGE=1`, so the normal `npm run test:unit` is unaffected.
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*/
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import { afterAll } from 'vitest';
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afterAll(async () => {
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if (process.env.COVERAGE !== '1') return;
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const cov = (globalThis as Record<string, unknown>).__coverage__;
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if (!cov) return;
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const fs = await import('node:fs');
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const path = await import('node:path');
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const dir = path.resolve(process.cwd(), '../tests/e2e/.nyc_output_unit');
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fs.mkdirSync(dir, { recursive: true });
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const id = `${process.pid}-${Math.random().toString(36).slice(2)}`;
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fs.writeFileSync(path.join(dir, `unit-${id}.json`), JSON.stringify(cov));
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});
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