deepseek-harness/vitest.config.ts

import tsconfigPaths from 'vite-tsconfig-paths'
import { defineConfig } from 'vitest/config'

const windowsUnsupportedPackages = process.platform === 'win32'
  ? [
      'packages/bash/*',
      'packages/hooks/*',
      'packages/sandbox/sandbox-local',
      'packages/sdk/create-sdk',
      'packages/sdk/helper',
    ]
  : []

// These files retain 100% per-file coverage on POSIX, where their process-pipe and terminal timing
// tests are deterministic; Windows skips those cases and must not fail solely on their uncovered paths.
const windowsCoverageExclusions = process.platform === 'win32'
  ? [
      'packages/lsp/lsp-local/src/connection.ts',
      'packages/lsp/lsp-local/src/index.ts',
      'packages/lsp/lsp-local/src/instance.ts',
      'packages/ui/tui/src/index.ts',
    ]
  : []

export default defineConfig({
  // Native path resolution reads each package's nearest tsconfig, but only the root defines
  // workspace paths. Keep this plugin pinned to the root map so unbuilt bare package imports resolve
  // to source; native resolution would fall through to absent `lib/` outputs.
  plugins: [tsconfigPaths({ projects: ['./tsconfig.json'] })],
  test: {
    setupFiles: ['./scripts/test-invariants.ts'],
    include: ['packages/*/*/tests/**/*.spec.ts', 'examples/*/tests/**/*.spec.ts', 'scripts/**/*.spec.ts'],
    exclude: windowsUnsupportedPackages.map(path => `${path}/tests/**/*.spec.ts`),
    coverage: {
      provider: 'v8',
      // Coverage measures OUR runtime source. Types-only files carry no
      // executable code; vendor/ and examples/ are out of scope (examples are
      // exercised by the demo smoke test instead).
      include: ['packages/*/*/src/**/*.ts'],
      // Types-only files have no runtime coverage. Importing self-executing bins/workers would boot
      // them inside the unit process, so real subprocess/Worker tests cover their thin entry glue.
      exclude: [
        'packages/*/*/src/types.ts',
        'packages/*/*/src/bin.ts',
        'packages/*/*/src/worker.ts',
        ...windowsUnsupportedPackages.map(path => `${path}/src/**/*.ts`),
        ...windowsCoverageExclusions,
      ],
      // 100% or it doesn't merge (docs/testing.md: excessive tests are welcome).
      // Per-file so a well-covered big file can't subsidize a bare one.
      // Every v8 ignore comment must carry a reason — see the quality-gates Agent Note
      // (.agents/notes/implemented/process/2026-06-11-quality-gates.md).
      thresholds: {
        perFile: true,
        statements: 100,
        branches: 100,
        functions: 100,
        lines: 100,
      },
      reporter: process.env.CI ? ['text'] : ['text', 'html'],
    },
  },
})