Java Code Examples for org.junit.runners.model.FrameworkMethod#invokeExplosively()

@Override
protected Statement withBefores(FrameworkMethod method, Object target, Statement statement) {
    if (method.getAnnotation(Ignore.class) == null && method.getAnnotation(CmmnDeployment.class) != null) {

        List<FrameworkMethod> befores = getTestClass().getAnnotatedMethods(Before.class);

        return new Statement() {

            @Override
            public void evaluate() throws Throwable {
                for (FrameworkMethod before : befores) {
                    before.invokeExplosively(target);
                }
                deploymentId = deployCmmnDefinition(method);
                statement.evaluate();
            }

        };
    } else {
        return super.withBefores(method, target, statement);
    }

}
 

/**
 * Gets the parameterization
 * @return the parameterization collection
 * @throws Throwable if the annotation requirements are not met, or if there's an error in invoking
 * the class's "get parameterizations" method.
 */
private Collection<Parameterization> getParameterizations() throws Throwable
{
    TestClass cls = getTestClass();
    List<FrameworkMethod> methods = cls.getAnnotatedMethods(TestParameters.class);

    if (methods.size() != 1)
    {
        throw new Exception("class " + cls.getName() + " must have exactly 1 method annotated with "
            + TestParameters.class.getSimpleName() +"; found " + methods.size());
    }

    FrameworkMethod method = methods.get(0);
    checkParameterizationMethod(method);

    @SuppressWarnings("unchecked")
    Collection<Parameterization> ret = (Collection<Parameterization>) method.invokeExplosively(null);
    checkParameterizations(ret);
    return ret;
}
 

@Override
protected Statement methodInvoker(FrameworkMethod method, Object test) {
	return new LambdaStatement(() -> {
		// create args before running the service graph so that those args that are services are found by service graph
		Object[] args = getArgs(method);

		ServiceGraph serviceGraph = currentInjector.getInstanceOrNull(ServiceGraph.class);

		if (serviceGraph == null) {
			method.invokeExplosively(test, args);
			return;
		}

		serviceGraph.startFuture().get();

		method.invokeExplosively(test, args);

		serviceGraph.stopFuture().get();
	});
}
 

/**
 * Creates a list of test methods out of an existing test method and its dataprovider method.
 * <p>
 * This method is package private (= visible) for testing.
 * </p>
 *
 * @param testMethod the original test method
 * @param dataProviderMethod the dataprovider method that gives the parameters
 * @return a list of methods, each method bound to a parameter combination returned by the dataprovider
 */
List<FrameworkMethod> explodeTestMethod(FrameworkMethod testMethod, FrameworkMethod dataProviderMethod) {
    DataProvider dataProvider = dataProviderMethod.getAnnotation(DataProvider.class);

    Object data;
    if (dataProviderDataCache.containsKey(dataProviderMethod)) {
        data = dataProviderDataCache.get(dataProviderMethod);
    } else {
        try {
            Class<?>[] parameterTypes = dataProviderMethod.getMethod().getParameterTypes();
            if (parameterTypes.length > 0) {
                data = dataProviderMethod.invokeExplosively(null, testMethod);
            } else {
                data = dataProviderMethod.invokeExplosively(null);
            }
            if (dataProvider.cache()) {
                dataProviderDataCache.put(dataProviderMethod, data);
            }

        } catch (Throwable t) {
            throw new IllegalArgumentException(String.format("Exception while invoking dataprovider method '%s': %s",
                    dataProviderMethod.getName(), t.getMessage()), t);
        }
    }
    return explodeTestMethod(testMethod, data, dataProvider);
}
 

@Override protected Statement methodInvoker(
        FrameworkMethod frameworkMethod,
        Object test) {
    assert(this.method == frameworkMethod);
    return new Statement() {
        @Override public void evaluate() throws Throwable {
            frameworkMethod.invokeExplosively(test, args);
        }
    };
}
 

@Override
public void evaluate() throws Throwable {
    for (FrameworkMethod before : befores) {
        final int paramCount = before.getMethod().getParameterTypes().length;
        before.invokeExplosively(null, paramCount == 0 ? (Object[]) null : parameters);
    }
    next.evaluate();
}
 

private Single( Class<?> testClass, FrameworkMethod method ) throws Throwable
{
    super( testClass );
    this.method = method;
    this.parameter = method.invokeExplosively( null );
    this.description = Description.createTestDescription(
            testClass, method.getName(), method.getAnnotations() );
}
 

@Override
protected Statement withBefores(FrameworkMethod method, Object target, Statement test) {
	List<FrameworkMethod> methods = getTestClass().getAnnotatedMethods(Before.class);
	if (methods.isEmpty()) {
		return test;
	}
	return new LambdaStatement(() -> {
		for (FrameworkMethod m : methods) {
			m.invokeExplosively(target, getArgs(m));
		}
		test.evaluate();
	});
}
 

@Override
public void evaluate() throws Throwable {
	for (FrameworkMethod before : befores) {
		before.invokeExplosively(null, parameters);
	}
	next.evaluate();
}
 

@SuppressWarnings("unchecked")
private Collection<Object> resolveParameters(final TestClass testClass) {
    final FrameworkMethod method = findParametersMethod(testClass);
    if (method == null) {
        return Collections.emptyList();
    }
    try {
        return (Collection<Object>) method.invokeExplosively(null);
    } catch (Throwable t) {
        throw new RuntimeException(String.format("Failed to invoke method %s on test %s", method.getName(), testClass.getName()), t);
    }
}
 

@SuppressWarnings("unchecked")
@Override
public List<Object> createIterationData(TestClass testClass, FrameworkMethod method) throws Exception
{
    List<FrameworkMethod> parametersMethods = testClass.getAnnotatedMethods(Parameters.class);
    Iterable<Object> parameter = null;

    for (FrameworkMethod parametersMethod : parametersMethods)
    {
        if (parametersMethod.isPublic() && parametersMethod.isStatic())
        {
            // take the first public static method. invoke it and use the result as parameter
            try
            {
                Object parametersResult = parametersMethod.invokeExplosively(null);
                if (parametersResult instanceof Iterable)
                {
                    parameter = (Iterable<Object>) parametersResult;
                }
                else if (parametersResult instanceof Object[])
                {
                    parameter = Arrays.asList((Object[]) parametersResult);
                }
                else
                {
                    String msg = MessageFormat.format("{0}.{1}() must return an Iterable of arrays.",
                                                      testClass.getJavaClass().getName(), parametersMethod.getName());
                    throw new Exception(msg);
                }
                break;
            }
            catch (Throwable e)
            {
                throw new RuntimeException(e);
            }
        }
    }

    if (!parametersMethods.isEmpty() && parameter == null)
    {
        throw new Exception("No public static parameters method on class " + testClass.getJavaClass().getCanonicalName());
    }

    List<FrameworkField> parameterFrameworkFields = testClass.getAnnotatedFields(Parameter.class);
    LOGGER.debug("Found " + parameterFrameworkFields.size() + " parameter fields");

    List<Object> iterations = new LinkedList<>();

    if (parameter != null)
    {
        int parameterSetCounter = 0;
        for (Object para : parameter)
        {
            Object[] p;
            if (para instanceof Object[])
            {
                p = (Object[]) para;
            }
            else
            {
                p = new Object[]
                {
                  para
                };
            }

            iterations.add(new ParameterStatementData(parameterSetCounter, p, parameterFrameworkFields));
            parameterSetCounter++;
        }
    }

    return iterations;
}
 

@Override
protected Statement methodInvoker(FrameworkMethod method, Object test) {
	return new LambdaStatement(() -> method.invokeExplosively(test, getArgs(method)));
}
 

@Test
public void stubCanBeRetrievedAndUsed() throws Throwable {
  FrameworkMethod method = stubFrameworkMethod();
  method.invokeExplosively(
      new com.greghaskins.spectrum.internal.junit.StubJUnitFrameworkMethod.Stub());
}