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 abstract class AbstractTest extends TestCase { 38 } 39 40 public static class JUnit4Test { 41 @Test thisIsATest()42 public void thisIsATest() { 43 } 44 } 45 46 @RunWith(value = Parameterized.class) 47 public static class JUnit4RunTest { thisIsMayBeATest()48 public void thisIsMayBeATest() { 49 } 50 } 51 52 public static class NotATest { thisIsNotATest()53 public void thisIsNotATest() { 54 } 55 } 56 57 private TestLoader mLoader; 58 59 @Before setUp()60 public void setUp() throws Exception { 61 mLoader = new TestLoader(new PrintStream(new ByteArrayOutputStream())); 62 } 63 64 @Test testLoadTests_junit3()65 public void testLoadTests_junit3() { 66 assertLoadTestSuccess(JUnit3Test.class); 67 } 68 69 @Test testLoadTests_junit4()70 public void testLoadTests_junit4() { 71 assertLoadTestSuccess(JUnit4Test.class); 72 } 73 74 @Test testLoadTests_runWith()75 public void testLoadTests_runWith() { 76 assertLoadTestSuccess(JUnit4RunTest.class); 77 } 78 79 @Test testLoadTests_notATest()80 public void testLoadTests_notATest() { 81 Assert.assertNull(mLoader.loadIfTest(NotATest.class.getName())); 82 Assert.assertEquals(0, mLoader.getLoadedClasses().size()); 83 Assert.assertEquals(0, mLoader.getLoadFailures().size()); 84 } 85 86 @Test testLoadTests_notExist()87 public void testLoadTests_notExist() { 88 Assert.assertNull(mLoader.loadIfTest("notexist")); 89 Assert.assertEquals(0, mLoader.getLoadedClasses().size()); 90 Assert.assertEquals(1, mLoader.getLoadFailures().size()); 91 } 92 assertLoadTestSuccess(Class<?> clazz)93 private void assertLoadTestSuccess(Class<?> clazz) { 94 Assert.assertNotNull(mLoader.loadIfTest(clazz.getName())); 95 Assert.assertEquals(1, mLoader.getLoadedClasses().size()); 96 Assert.assertEquals(0, mLoader.getLoadFailures().size()); 97 Assert.assertTrue(mLoader.getLoadedClasses().contains(clazz)); 98 } 99 100 @Test testLoadTests_abstract()101 public void testLoadTests_abstract() { 102 Assert.assertNull(mLoader.loadIfTest(AbstractTest.class.getName())); 103 Assert.assertEquals(0, mLoader.getLoadedClasses().size()); 104 Assert.assertEquals(0, mLoader.getLoadFailures().size()); 105 } 106 } 107