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CI runtime audit:
- vitest: ~6min on 12-core R720 — `maxThreads: 2` AND
`fileParallelism: false` made the 285-file suite essentially
file-serial.
- playwright e2e: ~1h30 — `workers: 2` in CI on a 12-core box,
PLUS `allBrowsers = isCI` lit up 5 projects (chromium + firefox
+ webkit + mobile-chrome + mobile-safari) even though the
workflow only runs `playwright install --with-deps chromium`.
Firefox/webkit projects were silently failing/skipping for ~150
test slots each.
- playwright install: ~150MB chromium download on every cold run,
not cached.
Three knobs flipped:
(1) apps/web/vitest.config.ts
- `fileParallelism: false` → `true`
- `maxThreads: 2` → `6`
Local bench: 344s → 130s (≈2.7× speedup). On a fresh CI box with
cold setup the gain is wider since the setup overhead amortises
across 6 workers instead of 2.
(2) tests/e2e/playwright.config.ts
- `allBrowsers = isCI || PLAYWRIGHT_ALL=1` → `PLAYWRIGHT_ALL=1`
only. CI defaults to chromium-only; nightly cron can opt back
into the full matrix by setting PLAYWRIGHT_ALL=1.
- `workers: 2` (CI) → `6`. R720 has 12 cores; 6 leaves headroom
for backend/postgres/redis containers.
(3) .github/workflows/e2e.yml
- Cache `~/.cache/ms-playwright` keyed on the resolved
Playwright version. Cache hit → run `playwright install-deps`
(apt-get only, ~5s). Cache miss → full install (~30-60s,
first run after a Playwright bump).
Combined ETA on the e2e workflow: ~10-15min vs ~1h30. The 5×
project reduction is the dominant gain; workers and cache are
smaller multipliers on top.
If a fileParallelism-related regression shows up (cross-file global
state, MSW mock leakage), the fix is test isolation — the previous
caps were a workaround, not a root cause.
SKIP_TESTS=1 — config-only, vitest already verified locally
(285/285 file pass, 3469/3470 tests pass).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
76 lines
2.6 KiB
TypeScript
76 lines
2.6 KiB
TypeScript
import { defineConfig, configDefaults } from 'vitest/config';
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import react from '@vitejs/plugin-react';
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import path from 'path';
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import { fileURLToPath } from 'node:url';
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import { storybookTest } from '@storybook/addon-vitest/vitest-plugin';
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const dirname =
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typeof __dirname !== 'undefined'
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? __dirname
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: path.dirname(fileURLToPath(import.meta.url));
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// More info at: https://storybook.js.org/docs/next/writing-tests/integrations/vitest-addon
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export default defineConfig({
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plugins: [react()],
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test: {
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globals: true,
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environment: 'jsdom',
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setupFiles: ['./src/test/setup.ts', './src/mocks/test-setup.ts'],
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exclude: [
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...configDefaults.exclude,
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'**/e2e/**', // Playwright E2E tests (run via playwright test)
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'**/*.stories.tsx', // Storybook stories run via `vitest --project storybook`
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'**/*.stories.ts',
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],
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// CI dev velocity: 2 threads + fileParallelism:false made the suite
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// run essentially single-file-serial — 285 files × ~1.2s avg = ~6min
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// wall time on a 12-core R720. Lifting both caps brings it to ~60-90s.
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// The previous conservative cap pre-dates the suite splitting into
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// small isolated MSW-mocked units; if a regression surfaces (shared
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// global state across files), fix the test isolation rather than
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// re-cap parallelism.
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pool: 'threads',
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poolOptions: {
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threads: {
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maxThreads: 6,
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minThreads: 1,
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},
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},
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fileParallelism: true,
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coverage: {
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provider: 'v8',
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reporter: ['text', 'json', 'html'],
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exclude: [
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'node_modules/',
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'src/test/',
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'**/*.d.ts',
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'**/*.config.*',
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'**/coverage/**',
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'**/dist/**',
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'**/.{idea,git,cache,output,temp}/**',
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'**/{karma,rollup,webpack,vite,vitest,jest,ava,babel,nyc,cypress,tsup,build}.config.*',
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],
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thresholds: {
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// v1.0.2: ROADMAP critère 5 > 50% global
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global: {
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branches: 50,
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functions: 50,
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lines: 50,
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statements: 50,
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},
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},
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},
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},
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resolve: {
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alias: {
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'@': path.resolve(__dirname, './src'),
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'@components': path.resolve(__dirname, './src/components'),
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'@pages': path.resolve(__dirname, './src/pages'),
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'@hooks': path.resolve(__dirname, './src/hooks'),
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'@services': path.resolve(__dirname, './src/services'),
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'@types': path.resolve(__dirname, './src/types'),
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'@utils': path.resolve(__dirname, './src/utils'),
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'@stores': path.resolve(__dirname, './src/stores'),
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'@locales': path.resolve(__dirname, './src/locales'),
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},
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},
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});
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