Java 类org.junit.jupiter.engine.JupiterTestEngine 实例源码

/**
 * Instance an engine and execute the test resources identified by the given {@code selectors} and
 * wrap the response in a listener so that we can make sense of what happened. The listener
 * exposes information about the test execution flow which the extension tests can assert against.
 *
 * @param selectors {@link DiscoverySelector} instances which will isolate test class or test
 *     methods
 * @return a {@link RecordingExecutionListener} which encapsulates what the engine did
 */
public static RecordingExecutionListener execute(DiscoverySelector... selectors) {
  // instance an engine
  JupiterTestEngine testEngine = new JupiterTestEngine();

  // discover the requested test resources
  LauncherDiscoveryRequest discoveryRequest = request().selectors(selectors).build();

  RecordingExecutionListener listener = new RecordingExecutionListener();

  // execute the discovered test resources
  TestDescriptor testDescriptor =
      testEngine.discover(discoveryRequest, UniqueId.forEngine(testEngine.getId()));
  testEngine.execute(
      new ExecutionRequest(
          testDescriptor, listener, discoveryRequest.getConfigurationParameters()));

  return listener;
}

public static void execute(Class<?> testClass) throws Exception {
    try {

        JupiterTestEngine engine = new JupiterTestEngine();

        TestClassEngineDiscoveryRequest discoveryRequest = new TestClassEngineDiscoveryRequest(testClass);
        TestDescriptor testDescriptor = engine.discover(discoveryRequest, UniqueId.forEngine("foo-bar"));

        EngineExecutionListener listener = new NoOpEngineExecutionListener();
        ConfigurationParameters parameters = new NoConfigurationParameters();
        engine.execute(new ExecutionRequest(testDescriptor, listener, parameters));

    } catch (UndeclaredThrowableException e) {
        Throwable cause = getFirstNonUndeclaredThrowableCause(e);
        if (cause instanceof Error) {
            throw ( Error ) cause;
        } else if (cause instanceof RuntimeException) {
            throw ( RuntimeException ) cause;
        } else if (cause instanceof Exception) {
            throw ( Exception ) cause;
        } else {
            throw e;
        }
    }
}

public JupiterTestEngineForTests(Containers containers, JupiterExecutionListener eventRecorder) {
    this.containers = containers;
    this.eventRecorder = eventRecorder;
    this.engine = new JupiterTestEngine();
}