55 lines
2.0 KiB
TypeScript
55 lines
2.0 KiB
TypeScript
import { defineConfig } from 'vitest/config';
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/**
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* Vitest configuration — split out from `vite.config.ts` (Phase 1d-tests J).
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*
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* `vite.config.ts` no longer owns the `test:` block; vitest auto-loads
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* this file and CI workflows can reference it directly. Defaults below
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* tune for the velxio test suite:
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*
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* - 30 s test timeout: smoke tests iterating 200+ examples need
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* headroom; per-test individual asserts are still fast.
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* - `forks` pool with `singleFork: false` so each test file runs in
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* its own Node worker. The NgSpiceNodeAdapter is a process-wide
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* singleton (emscripten module can't reinitialise); without per-file
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* isolation, state leaks between tests sharing the same worker.
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* - Coverage excludes the WASM bundle (large binary, irrelevant lcov)
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* and the test files themselves.
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*/
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export default defineConfig({
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test: {
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globals: true,
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environment: 'node',
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include: ['src/__tests__/**/*.test.ts'],
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testTimeout: 30_000,
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hookTimeout: 30_000,
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// Vitest 4 removed `test.poolOptions` — config moved to top-level
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// `forks` / `threads` / etc. See the deprecation banner the runner
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// emits: "DEPRECATED test.poolOptions was removed in Vitest 4. All
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// previous poolOptions are now top-level options."
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//
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// Each forked worker also needs its heap cap raised because the
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// suite leaks state across the 117 test files (ngspice WASM ~30 MB
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// per init, MixedModeScheduler singleton, zustand stores). Even
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// sharded (60 files / shard) the leak overflows Node's 4 GB
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// default; 8 GB plus sharding fits the runner's 16 GB budget.
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forks: {
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singleFork: false,
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execArgv: ['--max-old-space-size=8192'],
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},
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coverage: {
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provider: 'v8',
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include: [
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'src/simulation/**/*.ts',
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'src/utils/exampleTo*.ts',
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],
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exclude: [
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'**/*.test.ts',
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'**/__tests__/**',
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'src/simulation/spice/wasm/**',
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],
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reporter: ['text', 'lcov', 'html'],
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},
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},
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});
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