1 /* 2 * Copyright (C) 2007 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 android.test; 18 19 import android.app.Activity; 20 import android.view.IWindowManager; 21 import android.os.ServiceManager; 22 23 /** 24 * If you would like to test a single activity with an 25 * {@link android.test.InstrumentationTestCase}, this provides some of the boiler plate to 26 * launch and finish the activity in {@link #setUp} and {@link #tearDown}. 27 * 28 * This launches the activity only once for the entire class instead of doing it 29 * in every setup / teardown call. 30 */ 31 public abstract class SingleLaunchActivityTestCase<T extends Activity> 32 extends InstrumentationTestCase { 33 34 String mPackage; 35 Class<T> mActivityClass; 36 private static int sTestCaseCounter = 0; 37 private static boolean sActivityLaunchedFlag = false; 38 39 /** 40 * <b>NOTE:</b> The parameter <i>pkg</i> must refer to the package identifier of the 41 * package hosting the activity to be launched, which is specified in the AndroidManifest.xml 42 * file. This is not necessarily the same as the java package name. 43 * 44 * @param pkg The package hosting the activity to be launched. 45 * @param activityClass The activity to test. 46 */ SingleLaunchActivityTestCase(String pkg, Class<T> activityClass)47 public SingleLaunchActivityTestCase(String pkg, Class<T> activityClass) { 48 mPackage = pkg; 49 mActivityClass = activityClass; 50 sTestCaseCounter ++; 51 } 52 53 /** 54 * The activity that will be set up for use in each test method. 55 */ 56 private static Activity sActivity; 57 getActivity()58 public T getActivity() { 59 return (T) sActivity; 60 } 61 62 @Override setUp()63 protected void setUp() throws Exception { 64 super.setUp(); 65 // If it is the first test case, launch the activity. 66 if (!sActivityLaunchedFlag) { 67 // by default, not in touch mode 68 getInstrumentation().setInTouchMode(false); 69 sActivity = launchActivity(mPackage, mActivityClass, null); 70 sActivityLaunchedFlag = true; 71 } 72 } 73 74 @Override tearDown()75 protected void tearDown() throws Exception { 76 // If it is the last test case, call finish on the activity. 77 sTestCaseCounter --; 78 if (sTestCaseCounter == 0) { 79 sActivity.finish(); 80 } 81 super.tearDown(); 82 } 83 testActivityTestCaseSetUpProperly()84 public void testActivityTestCaseSetUpProperly() throws Exception { 85 assertNotNull("activity should be launched successfully", sActivity); 86 } 87 } 88