1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package vogar.target.junit; 18 19 import java.util.List; 20 import org.junit.rules.TestRule; 21 import org.junit.runner.Description; 22 import org.junit.runner.notification.RunNotifier; 23 import org.junit.runners.ParentRunner; 24 import org.junit.runners.model.InitializationError; 25 import org.junit.runners.model.Statement; 26 27 /** 28 * A {@link ParentRunner} whose children are {@link DescribableStatement} instances. 29 * 30 * <p>This is a generally useful form of {@link ParentRunner} that can easily be customized. 31 * 32 * <p>This is used for JUnit3 based classes which may have multiple constructors (a default and 33 * one that takes the test name) so it passes a {@link Dummy} class to the parent and overrides the 34 * {@link #getName()} method. That works because this does not use any information from the supplied 35 * class. 36 */ 37 public class ParentStatementRunner extends ParentRunner<DescribableStatement> { 38 39 private final String name; 40 private final List<DescribableStatement> statements; 41 private final TestRule testRule; 42 43 public ParentStatementRunner(Class<?> testClass, List<DescribableStatement> statements, 44 RunnerParams runnerParams) 45 throws InitializationError { 46 super(Dummy.class); 47 name = testClass.getName(); 48 this.statements = statements; 49 testRule = runnerParams.getTestRule(); 50 } 51 52 @Override 53 protected String getName() { 54 return name; 55 } 56 57 @Override 58 protected List<DescribableStatement> getChildren() { 59 return statements; 60 } 61 62 @Override 63 protected Description describeChild(DescribableStatement child) { 64 return child.getDescription(); 65 } 66 67 @Override 68 protected void runChild(final DescribableStatement child, RunNotifier notifier) { 69 Description description = describeChild(child); 70 Statement statement = child; 71 statement = testRule.apply(statement, description); 72 ParentRunnerHelper.abortingRunLeaf(statement, description, notifier); 73 } 74 75 /** 76 * ParentRunner requires that the class be public. 77 */ 78 public static class Dummy { 79 } 80 } 81
