Java 类org.junit.runners.parameterized.ParametersRunnerFactory 实例源码

private List<Runner> createRunnersForParameters(
        Iterable<Object> allParameters, String namePattern,
        ParametersRunnerFactory runnerFactory) throws Exception {
    try {
        List<TestWithParameters> tests = createTestsForParameters(
                allParameters, namePattern);
        List<Runner> runners = new ArrayList<Runner>();
        for (TestWithParameters test : tests) {
            runners.add(runnerFactory
                    .createRunnerForTestWithParameters(test));
        }
        return runners;
    } catch (ClassCastException e) {
        throw parametersMethodReturnedWrongType();
    }
}

private List<Runner> createRunnersForParameters(
        Iterable<Object> allParameters, String namePattern,
        ParametersRunnerFactory runnerFactory)
        throws InitializationError,
        Exception {
    try {
        List<TestWithParameters> tests = createTestsForParameters(
                allParameters, namePattern);
        List<Runner> runners = new ArrayList<Runner>();
        for (TestWithParameters test : tests) {
            runners.add(runnerFactory
                    .createRunnerForTestWithParameters(test));
        }
        return runners;
    } catch (ClassCastException e) {
        throw parametersMethodReturnedWrongType();
    }
}

private ParametersRunnerFactory getParametersRunnerFactory()
        throws InstantiationException, IllegalAccessException {
    UseParametersRunnerFactory annotation = testClass
            .getAnnotation(UseParametersRunnerFactory.class);
    if (annotation == null) {
        return DEFAULT_FACTORY;
    } else {
        Class<? extends ParametersRunnerFactory> factoryClass = annotation
                .value();
        return factoryClass.newInstance();
    }
}

public Parameterized(Class<?> klass) throws Throwable {
  super(klass);
  FrameworkMethod parametersMethod = getParametersMethod();
  if (parametersMethod != null) {
    Parameters parameters = parametersMethod.getAnnotation(Parameters.class);
    Method declaredMethod =
      org.junit.runners.Parameterized.class.getDeclaredMethod("createRunnersForParameters", Iterable.class, String.class, ParametersRunnerFactory.class);
    declaredMethod.setAccessible(true);
    l = (List<Runner>)declaredMethod.invoke(this, allParameters(klass, parametersMethod), parameters.name(), BlockJUnit4ClassRunnerWithParametersFactory.class.newInstance());
  }
}

/**
 * Only called reflectively. Do not use programmatically.
 */
public Parameterized(Class<?> klass) throws Throwable {
    super(klass, NO_RUNNERS);
    ParametersRunnerFactory runnerFactory = getParametersRunnerFactory(
            klass);
    Parameters parameters = getParametersMethod().getAnnotation(
            Parameters.class);
    fRunners = Collections.unmodifiableList(createRunnersForParameters(
            allParameters(), parameters.name(), runnerFactory));
}

private ParametersRunnerFactory getParametersRunnerFactory(Class<?> klass)
        throws InstantiationException, IllegalAccessException {
    UseParametersRunnerFactory annotation = klass
            .getAnnotation(UseParametersRunnerFactory.class);
    if (annotation == null) {
        return DEFAULT_FACTORY;
    } else {
        Class<? extends ParametersRunnerFactory> factoryClass = annotation
                .value();
        return factoryClass.newInstance();
    }
}