Function createMockFileSystemExecutor

src/test-utils/mock-executors.ts:297–330

(
  overrides?: Partial<FileSystemExecutor>,
)

 * Create a mock file system executor for testing
 */
export function createMockFileSystemExecutor(
  overrides?: Partial<FileSystemExecutor>,
): FileSystemExecutor {
  const mockWriteStream = ((): WriteStream => {
    const emitter = new EventEmitter();
    const stream = Object.assign(emitter, {
      destroyed: false,
      write: () => true,
      end: () => {
        stream.destroyed = true;
        emitter.emit('close');
      },
    }) as unknown as WriteStream;
    return stream;
  })();

  return {
    mkdir: async (): Promise<void> => {},
    readFile: async (): Promise<string> => 'mock file content',
    writeFile: async (): Promise<void> => {},
    createWriteStream: () => mockWriteStream,
    cp: async (): Promise<void> => {},
    readdir: async (): Promise<unknown[]> => [],
    rm: async (): Promise<void> => {},
    existsSync: (): boolean => false,
    stat: async (): Promise<{ isDirectory(): boolean; mtimeMs: number }> => ({
      isDirectory: (): boolean => true,
      mtimeMs: Date.now(),
    }),
    mkdtemp: async (): Promise<string> => '/tmp/mock-temp-123456',
    tmpdir: (): string => '/tmp',
    ...overrides,
  };
}

/**
 * Create a no-op file system executor that throws an error if called