Function createMockFileTransport

test/logger.test.ts:763–778

(filename: string)

    it('should set shutdown flag when closing', async () => {
      // Create mock file transports with once/end methods for proper flush handling
      const createMockFileTransport = (filename: string) => {
        const transport = {
          filename,
          once: vi.fn((event: string, callback: () => void) => {
            // Immediately call the callback to simulate finish event
            if (event === 'finish') {
              setImmediate(callback);
            }
          }),
          on: vi.fn(),
          off: vi.fn(),
          end: vi.fn(),
        };
        Object.setPrototypeOf(transport, winstonMock.transports.File.prototype);
        return transport;
      };

      const mockFileTransport1 = createMockFileTransport('/mock/path/debug.log');
      const mockFileTransport2 = createMockFileTransport('/mock/path/error.log');