001/*
002 * Copyright 2002-2015 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.test.context.junit4.statements;
018
019import java.util.ArrayList;
020import java.util.List;
021
022import org.junit.runners.model.MultipleFailureException;
023import org.junit.runners.model.Statement;
024
025import org.springframework.test.context.TestContextManager;
026
027/**
028 * {@code RunAfterTestClassCallbacks} is a custom JUnit {@link Statement} which allows
029 * the <em>Spring TestContext Framework</em> to be plugged into the JUnit execution chain
030 * by calling {@link TestContextManager#afterTestClass afterTestClass()} on the supplied
031 * {@link TestContextManager}.
032 *
033 * <p><strong>NOTE:</strong> This class requires JUnit 4.9 or higher.
034 *
035 * @author Sam Brannen
036 * @since 3.0
037 * @see #evaluate()
038 * @see RunBeforeTestClassCallbacks
039 */
040public class RunAfterTestClassCallbacks extends Statement {
041
042        private final Statement next;
043
044        private final TestContextManager testContextManager;
045
046
047        /**
048         * Construct a new {@code RunAfterTestClassCallbacks} statement.
049         * @param next the next {@code Statement} in the execution chain
050         * @param testContextManager the TestContextManager upon which to call
051         * {@code afterTestClass()}
052         */
053        public RunAfterTestClassCallbacks(Statement next, TestContextManager testContextManager) {
054                this.next = next;
055                this.testContextManager = testContextManager;
056        }
057
058
059        /**
060         * Evaluate the next {@link Statement} in the execution chain (typically an instance of
061         * {@link org.junit.internal.runners.statements.RunAfters RunAfters}), catching any
062         * exceptions thrown, and then invoke {@link TestContextManager#afterTestClass()}.
063         * <p>If the invocation of {@code afterTestClass()} throws an exception, it will also
064         * be tracked. Multiple exceptions will be combined into a {@link MultipleFailureException}.
065         */
066        @Override
067        public void evaluate() throws Throwable {
068                List<Throwable> errors = new ArrayList<Throwable>();
069                try {
070                        this.next.evaluate();
071                }
072                catch (Throwable ex) {
073                        errors.add(ex);
074                }
075
076                try {
077                        this.testContextManager.afterTestClass();
078                }
079                catch (Throwable ex) {
080                        errors.add(ex);
081                }
082
083                MultipleFailureException.assertEmpty(errors);
084        }
085
086}