Function createTestEnvironment

tests/ipc/setup.ts:56–99

()

 * Create a test environment with temporary config and service container
 */
export async function createTestEnvironment(): Promise<TestEnvironment> {
  // Create temporary directory for test config
  const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "mux-test-"));

  // Create config with temporary directory
  const config = new Config(tempDir);

  // Some UI tests render ProjectPage, which now hard-blocks workspace creation when no providers
  // are configured. For non-integration tests, seed a dummy provider so the UI can render.
  //
  // For integration tests (TEST_INTEGRATION=1), do NOT write dummy keys here (they would override
  // real env-backed credentials used by tests like name generation).
  if (!shouldRunIntegrationTests()) {
    config.saveProvidersConfig({
      anthropic: { apiKey: "test-key-for-ui-tests" },
    });
  }

  // Create mock BrowserWindow
  const mockWindow = createMockBrowserWindow();

  // Create ServiceContainer instance
  const services = new ServiceContainer(config);
  // IPC tests run SSH against Docker containers with ephemeral host keys and no
  // interactive UI for host-key approval. Reset to headless-fallback so the
  // ServiceContainer's "strict" mode doesn't block Docker SSH connections.
  setOpenSSHHostKeyPolicyMode("headless-fallback");
  await services.initialize();

  // Wire services to the mock BrowserWindow
  // Note: Events are consumed via ORPC subscriptions (StreamCollector), not windowService.send()
  services.windowService.setMainWindow(mockWindow);

  const orpcContext: ORPCContext = services.toORPCContext();
  const orpc = createOrpcTestClient(orpcContext);

  return {
    config,
    services,
    mockWindow,
    tempDir,
    orpc,
  };
}

/**
 * Cleanup test environment (remove temporary directory) with retry logic