1 /* 2 * Copyright (C) 2015 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.android; 18 19 import junit.framework.AssertionFailedError; 20 import org.junit.rules.TestRule; 21 import org.junit.runner.Description; 22 import org.junit.runners.model.Statement; 23 24 /** 25 * Obtains test specific arguments from the {@link VogarArgs} annotation on the test and makes them 26 * available to the test itself. 27 * 28 * @see VogarArgs 29 */ 30 public class VogarArgsRule implements TestRule { 31 32 private String[] testSpecificArgs = null; 33 34 @Override apply(Statement base, Description description)35 public Statement apply(Statement base, Description description) { 36 VogarArgs vogarArgs = description.getAnnotation(VogarArgs.class); 37 if (vogarArgs == null) { 38 throw new AssertionFailedError("Must specify @" + VogarArgs.class.getSimpleName()); 39 } else { 40 this.testSpecificArgs = vogarArgs.value(); 41 } 42 return base; 43 } 44 getTestSpecificArgs()45 public String[] getTestSpecificArgs() { 46 return testSpecificArgs; 47 } 48 } 49