69 lines
3.1 KiB
TypeScript
69 lines
3.1 KiB
TypeScript
import { availableParallelism } from 'node:os'
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import tsconfigPaths from 'vite-tsconfig-paths'
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import { defineConfig } from 'vitest/config'
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import { standardDecoratorPlugin, vitestExecArgv } from './vitest.shared.ts'
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const DEFAULT_SNAPSHOT_MAX_CONCURRENCY = 5
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function positiveIntFromEnv(name: string, fallback: number): number {
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const raw = process.env[name]
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if (raw === undefined || raw === '') return fallback
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const value = Number(raw)
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if (!Number.isInteger(value) || value < 1) {
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throw new Error(`${name} must be a positive integer, got ${JSON.stringify(raw)}`)
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}
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return value
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}
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const snapshotMaxConcurrency = positiveIntFromEnv(
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'DSH_SNAPSHOT_MAX_CONCURRENCY',
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Math.min(DEFAULT_SNAPSHOT_MAX_CONCURRENCY, availableParallelism()),
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)
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// Replay is the keyless default: boot real subprocess paths from recorded model responses and diff
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// assembled requests, normalized protocol or transcript output, and persisted-log expected outputs.
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// `record` calls the real API and updates fixtures and expected outputs; `refresh` replays committed scripts
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// and updates current expected outputs. Replay/refresh never load `.env`; only record reads a key from the
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// environment or root `.env`.
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if (process.env.DSH_SNAPSHOT === 'record') {
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try {
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process.loadEnvFile(new URL('.env', import.meta.url).pathname)
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} catch (error) {
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// ENOENT (no .env) is fine — the key may already be in the environment.
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// Surface any other failure rather than silently recording with wrong env.
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if ((error as NodeJS.ErrnoException | null)?.code !== 'ENOENT') throw error
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}
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}
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export default defineConfig({
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// Same resolution note as vitest.config.ts: bare workspace names resolve
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// through the tsconfig.base.json paths facade; the native option cannot do
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// this (the root tsconfig is a solution file with no paths).
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plugins: [tsconfigPaths({ projects: ['./tsconfig.base.json'] }), standardDecoratorPlugin()],
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test: {
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execArgv: vitestExecArgv,
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setupFiles: ['./scripts/test-invariants.ts'],
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include: [
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'scripts/**/*.snapshot.ts',
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// The assembled Web snapshot executes generated client bundles; source
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// mode remains the zero-build path, while lib mode requires a prior build.
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...(process.env.DSH_EXAMPLE_MODE === 'lib' ? ['apps/web/tests/**/*.snapshot.ts'] : []),
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'apps/cli/tests/**/*.snapshot.ts',
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'examples/*/tests/**/*.snapshot.ts',
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],
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// Replay never writes committed outputs and every scenario owns its
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// mutable runtime state (the subprocess suites use a unique temp dir and
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// fixture set per scenario), so replay runs the snapshot files in
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// parallel and bounds in-file concurrency with the environment knob
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// (value 1 restores fully serial replay on constrained machines). Record
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// and refresh stay serial: record spends real API quota per scenario, and
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// refresh write-back harvests volatile values from fixtures already on
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// disk, so concurrent writers would corrupt goldens.
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testTimeout: 120_000,
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hookTimeout: 30_000,
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fileParallelism: (process.env.DSH_SNAPSHOT || 'replay') === 'replay' && snapshotMaxConcurrency > 1,
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maxConcurrency: snapshotMaxConcurrency,
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},
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})
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