vitest.config.worker.ts

import path from 'node:path';
import { fileURLToPath } from 'node:url';
import {
  cloudflareTest,
  readD1Migrations,
} from '@cloudflare/vitest-pool-workers';
import { defineConfig } from 'vitest/config';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

export default defineConfig(async () => {
  const migrationsPath = path.join(__dirname, 'd1-migrations');
  const migrations = await readD1Migrations(migrationsPath);
  const runExtendedWorkerTests =
    process.env.RUN_EXTENDED_WORKER_TESTS === '1';

  return {
    define: {
      __RUN_EXTENDED_WORKER_TESTS__: JSON.stringify(runExtendedWorkerTests),
    },
    plugins: [
      cloudflareTest({
        // Keep worker tests hermetic and CI-friendly. Staging validation runs
        // in a separate workflow job against a deployed Worker.
        remoteBindings: false,
        wrangler: { configPath: './wrangler.toml' },
        miniflare: {
          bindings: { TEST_MIGRATIONS: migrations },
        },
      }),
    ],
    test: {
      include: ['test/worker/**/*.test.ts'],
      setupFiles: ['./test/worker/apply-migrations.ts'],
      coverage: {
        provider: 'istanbul',
        include: ['src/worker.ts', 'src/worker/**/*.ts'],
        thresholds: {
          branches: 65,
          functions: 70,
          lines: 70,
          statements: 70,
        },
      },
    },
  };
});