1 /* 2 * Copyright (C) 2012 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 package com.android.test.runner; 17 18 import junit.framework.Assert; 19 import junit.framework.TestCase; 20 21 import org.junit.Before; 22 import org.junit.Test; 23 import org.junit.runner.RunWith; 24 import org.junit.runners.Parameterized; 25 26 import java.io.ByteArrayOutputStream; 27 import java.io.PrintStream; 28 29 /** 30 * Unit tests for {@link TestLoader}. 31 */ 32 public class TestLoaderTest { 33 34 public static class JUnit3Test extends TestCase { 35 } 36 37 public static class JUnit4Test { 38 @Test thisIsATest()39 public void thisIsATest() { 40 } 41 } 42 43 @RunWith(value = Parameterized.class) 44 public static class JUnit4RunTest { thisIsMayBeATest()45 public void thisIsMayBeATest() { 46 } 47 } 48 49 public static class NotATest { thisIsNotATest()50 public void thisIsNotATest() { 51 } 52 } 53 54 private TestLoader mLoader; 55 56 @Before setUp()57 public void setUp() throws Exception { 58 mLoader = new TestLoader(new PrintStream(new ByteArrayOutputStream())); 59 } 60 61 @Test testLoadTests_junit3()62 public void testLoadTests_junit3() { 63 assertLoadTestSuccess(JUnit3Test.class); 64 } 65 66 @Test testLoadTests_junit4()67 public void testLoadTests_junit4() { 68 assertLoadTestSuccess(JUnit4Test.class); 69 } 70 71 @Test testLoadTests_runWith()72 public void testLoadTests_runWith() { 73 assertLoadTestSuccess(JUnit4RunTest.class); 74 } 75 76 @Test testLoadTests_notATest()77 public void testLoadTests_notATest() { 78 Assert.assertNull(mLoader.loadIfTest(NotATest.class.getName())); 79 Assert.assertEquals(0, mLoader.getLoadedClasses().size()); 80 Assert.assertEquals(0, mLoader.getLoadFailures().size()); 81 } 82 83 @Test testLoadTests_notExist()84 public void testLoadTests_notExist() { 85 Assert.assertNull(mLoader.loadIfTest("notexist")); 86 Assert.assertEquals(0, mLoader.getLoadedClasses().size()); 87 Assert.assertEquals(1, mLoader.getLoadFailures().size()); 88 } 89 assertLoadTestSuccess(Class<?> clazz)90 private void assertLoadTestSuccess(Class<?> clazz) { 91 Assert.assertNotNull(mLoader.loadIfTest(clazz.getName())); 92 Assert.assertEquals(1, mLoader.getLoadedClasses().size()); 93 Assert.assertEquals(0, mLoader.getLoadFailures().size()); 94 Assert.assertTrue(mLoader.getLoadedClasses().contains(clazz)); 95 } 96 } 97