import { defineConfig } from 'vitest/config';
import path from 'path';
export default defineConfig({
test: {
globals: true,
environment: 'node',
setupFiles: ['./tests/vitest.setup.ts'],
// Include all test files from both main project and packages
include: [
'tests/**/*.{test,spec}.ts',
'src/**/*.{test,spec}.ts',
'packages/**/tests/**/*.{test,spec}.ts',
'packages/**/src/**/*.{test,spec}.ts'
],
// Exclude patterns
exclude: [
'node_modules',
'dist',
'**/node_modules/**',
'**/dist/**'
],
// Reporter configuration
reporters: process.env.CI ? ['dot'] : ['default'],
outputFile: {
json: './test-results.json'
},
// Console filtering for noise reduction
onConsoleLog(log: string, type: 'stdout' | 'stderr'): boolean | void {
// Whitelist - Always show important patterns
const importantPatterns = [
'FAIL',
'Error:',
'AssertionError',
'Expected',
'Received',
'Test suite failed',
'TypeError',
'ReferenceError',
'[Discovery Test]',
'[Workflow Test]',
'[Test Server]',
'[env-utils]'
];
if (importantPatterns.some(pattern => log.includes(pattern))) {
return true;
}
// Noise patterns to filter
const noisePatterns = [
'vite:',
'webpack',
'[HMR]',
'Download the',
'Debugger listening',
'Waiting for the debugger',
'Python path:',
'spawn',
'[esbuild]',
'transforming',
'node_modules',
'has been externalized',
'[MCP Server]',
'[debug-mcp]',
'[ProxyManager',
'[SessionManager]',
'[SM _updateSessionState',
'stdout |',
'stderr |',
'2025-', // Date timestamps
'[info]',
'[debug]',
'[warn]'
];
if (noisePatterns.some(pattern => log.includes(pattern))) {
return false;
}
// In test files, allow user's console.log statements
if (log.includes('.test.') || log.includes('.spec.')) {
return true;
}
// Default: suppress stdout info/debug, keep stderr
return type === 'stderr';
},
// Disable file parallelism for cleaner output
fileParallelism: false,
coverage: {
provider: 'istanbul', // Changed from 'v8' to 'istanbul'
reporter: ['text', 'json', 'html', 'json-summary'], // Added 'json-summary' for coverage-summary.json
reportsDirectory: './coverage',
reportOnFailure: true,
exclude: [
'node_modules',
'dist',
'tests',
'packages/**/tests',
'src/proxy/proxy-bootstrap.js',
'**/*.d.ts',
'**/*.test.ts',
'**/*.spec.ts',
// Type-only files - no executable code
'src/container/types.ts',
'src/dap-core/types.ts',
// Mock adapter process - tested via e2e tests, runs as separate process
'src/adapters/mock/mock-adapter-process.ts',
'packages/adapter-mock/src/mock-adapter-process.ts',
// CLI entry points - handle process-level stdio, not unit-testable
'packages/mcp-debugger/src/cli-entry.ts',
'packages/mcp-debugger/dist/packages/mcp-debugger/src/cli-entry.js',
// Error definitions - mostly class constructors and type guards
'src/errors/debug-errors.ts',
// Proxy entry point - separate process
'src/proxy/dap-proxy-entry.ts',
// Factory pattern files with minimal logic
'packages/shared/src/factories/adapter-factory.ts',
// Exclude barrel export index files to prevent duplicate coverage
'packages/shared/src/index.ts',
'packages/shared/src/models/index.ts'
],
include: ['src/**/*.{ts,js}', 'packages/**/src/**/*.{ts,js}'],
// Prevent Istanbul from tracking files multiple times
// when they're imported through different resolution paths
all: false // Don't include all files, only those actually imported
},
testTimeout: 30000,
pool: 'threads',
poolOptions: {
threads: {
singleThread: true, // Important for process spawning tests
maxThreads: 1,
minThreads: 1
}
},
testTransformMode: {
web: ['src/**/*.ts', 'packages/**/src/**/*.ts'] // Ensure TypeScript files in src are transformed
}
},
resolve: {
extensions: ['.ts', '.js', '.json', '.node'], // Add .ts for resolution
alias: [
// Map relative imports ending with .js to .ts (e.g., ../../../src/foo.js -> ../../../src/foo.ts)
{ find: /^(\.{1,2}\/.+)\.js$/, replacement: '$1.ts' },
// Map absolute src imports ending with .js to .ts
{ find: /^(src\/.+)\.js$/, replacement: path.resolve(__dirname, './$1.ts') },
// Keep project aliases pointing to TS sources
{ find: '@', replacement: path.resolve(__dirname, './src') },
{ find: '@debugmcp/shared', replacement: path.resolve(__dirname, './packages/shared/src/index.ts') },
{ find: '@debugmcp/adapter-mock', replacement: path.resolve(__dirname, './packages/adapter-mock/src/index.ts') },
{ find: '@debugmcp/adapter-python', replacement: path.resolve(__dirname, './packages/adapter-python/src/index.ts') },
{ find: '@debugmcp/adapter-javascript', replacement: path.resolve(__dirname, './packages/adapter-javascript/src/index.ts') }
]
},
// Handle ESM modules that need to be transformed
optimizeDeps: {
include: ['@modelcontextprotocol/sdk', '@vscode/debugadapter', '@vscode/debugprotocol']
}
});
