/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.tobago.util;
import org.junit.runner.Runner;
import org.junit.runner.notification.RunNotifier;
import org.junit.runners.BlockJUnit4ClassRunner;
import org.junit.runners.Suite;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.InitializationError;
import org.junit.runners.model.Statement;
import org.junit.runners.model.TestClass;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
/**
* XXX remove when JUnit implemented this feature
* This class will be obsolete if this feature request for JUnit is resolved:
* http://github.com/KentBeck/junit/issues/#issue/44
*/
public class Parameterized extends Suite {
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public static @interface Parameters {
}
public Parameterized(Class<?> clazz) throws Exception {
super(clazz, new ArrayList<Runner>());
FrameworkMethod method = findMethod(getTestClass());
List<Object[]> parametersList = null;
try {
parametersList = (List<Object[]>) method.invokeExplosively(null);
} catch (Throwable throwable) {
throw new Exception(throwable);
}
for (Object[] aParametersList : parametersList) {
getChildren().add(new ClassRunnerForParameters(getTestClass().getJavaClass(), aParametersList));
}
}
private FrameworkMethod findMethod(TestClass clazz) throws Exception {
List<FrameworkMethod> methods = clazz.getAnnotatedMethods(Parameters.class);
for (FrameworkMethod method : methods) {
int modifiers = method.getMethod().getModifiers();
if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers)) {
return method;
}
}
throw new Exception(
"Need a public static method with @Parameters annotation in class " + getName());
}
public static class ClassRunnerForParameters extends BlockJUnit4ClassRunner {
private Object[] parameters;
ClassRunnerForParameters(Class<?> clazz, Object[] parameters) throws InitializationError {
super(clazz);
this.parameters = parameters;
}
@Override
protected Object createTest() throws Exception {
return getTestClass().getOnlyConstructor().newInstance(parameters);
}
@Override
protected String getName() {
return "[" + parameters[0].toString() + "]";
}
@Override
protected String testName(FrameworkMethod method) {
return method.getName() + getName();
}
@Override
protected Statement classBlock(RunNotifier notifier) {
return childrenInvoker(notifier);
}
@Override
protected void validateZeroArgConstructor(List<Throwable> errors) {
// In this case there should be a constructor with arguments.
}
}
}