/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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.springframework.test.context.junit4.statements;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import org.junit.runners.model.MultipleFailureException;
import org.junit.runners.model.Statement;
import org.springframework.test.context.TestContextManager;
/**
* {@code RunAfterTestMethodCallbacks} is a custom JUnit {@link Statement} which allows
* the <em>Spring TestContext Framework</em> to be plugged into the JUnit execution chain
* by calling {@link TestContextManager#afterTestMethod afterTestMethod()} on the supplied
* {@link TestContextManager}.
*
* <p><strong>NOTE:</strong> This class requires JUnit 4.9 or higher.
*
* @author Sam Brannen
* @since 3.0
* @see #evaluate()
* @see RunBeforeTestMethodCallbacks
*/
public class RunAfterTestMethodCallbacks extends Statement {
private final Statement next;
private final Object testInstance;
private final Method testMethod;
private final TestContextManager testContextManager;
/**
* Construct a new {@code RunAfterTestMethodCallbacks} statement.
* @param next the next {@code Statement} in the execution chain
* @param testInstance the current test instance (never {@code null})
* @param testMethod the test method which has just been executed on the
* test instance
* @param testContextManager the TestContextManager upon which to call
* {@code afterTestMethod()}
*/
public RunAfterTestMethodCallbacks(Statement next, Object testInstance, Method testMethod,
TestContextManager testContextManager) {
this.next = next;
this.testInstance = testInstance;
this.testMethod = testMethod;
this.testContextManager = testContextManager;
}
/**
* Evaluate the next {@link Statement} in the execution chain (typically an instance of
* {@link org.junit.internal.runners.statements.RunAfters RunAfters}), catching any
* exceptions thrown, and then invoke
* {@link TestContextManager#afterTestMethod(Object, Method, Throwable)} supplying the
* first caught exception (if any).
* <p>If the invocation of {@code afterTestMethod()} throws an exception, that
* exception will also be tracked. Multiple exceptions will be combined into a
* {@link MultipleFailureException}.
*/
@Override
public void evaluate() throws Throwable {
Throwable testException = null;
List<Throwable> errors = new ArrayList<>();
try {
this.next.evaluate();
}
catch (Throwable ex) {
testException = ex;
errors.add(ex);
}
try {
this.testContextManager.afterTestMethod(this.testInstance, this.testMethod, testException);
}
catch (Throwable ex) {
errors.add(ex);
}
MultipleFailureException.assertEmpty(errors);
}
}