Android手机操作系统是一个开源的操作系统。程序员们可以在模拟器的帮助下对其进行修改,来实现各种功能需求,满足用户的应用。在这里我们先来了解一下Android单元测试的相关内容。#t#
在网络上找了半天,也没有找正确的Android的测试办法,***还是自己琢磨出来的。以前就听我朋友说过,Android毛病一堆,现在才体会到。Android SDK 和 iphone SDK 比,就不是一个档次的东西。网上总是有人说,Android还年轻,要体谅。我可不同意,要知道,Android都已经出了好几个版本了,而现在***的1.5版和iphone sdk的beta版都比不上。
先说说它的单元测试吧,基于1.5和eclipse。这里我说的是我的思路,有更加好的思路,欢迎指导。
我的方法:如果你要测试的不是Activity或者Service,就用AndroidTestCase;否则选择:ActivityUnitTestCase,ServiceTestCase。
在做Android单元测试以前,你需要创建一个新的项目,把要测试的项目包含到java build path中来。项目中的AndroidManifest.xml如下(这里假设你的your.test.package里面包含你的tests,your.work.package包含被测试的类):
Xml代码
- < ?xml version="1.0" encoding="utf-8"?>
- < manifest xmlns:android=
"http://schemas.Android.com/apk/res/Android"- package="your.tests.package">
- < application>
- < uses-library Android:name="Android.test.runner" />
- < /application>
- < instrumentation Android:name=
"Android.test.InstrumentationTestRunner"- Android:targetPackage="your.work.package"
- Android:label="Tests for Api Demos."/>
- < /manifest>
- < ?xml version="1.0" encoding="utf-8"?>
- < manifest xmlns:android=
"http://schemas.Android.com/apk/res/Android"- package="your.tests.package">
- < application>
- < uses-library Android:name="Android.test.runner" />
- < /application>
- < instrumentation Android:name=
"Android.test.InstrumentationTestRunner"- Android:targetPackage="your.work.package"
- Android:label="Tests for Api Demos."/>
- < /manifest>
那么就可以做Android单元测试了,给出下面的实例;
1.用AndroidTestCase;
Java代码
- public class SdcardTest extends AndroidTestCase {
- public void test1(){
- // Log.v()
- File f=new File("/sdcard");
- String[] l=f.list();
- this.assertTrue(f.exists());
- this.assertTrue(f.isDirectory());
- this.assertTrue(f.list().length>0);
- }
- }
- public class SdcardTest extends AndroidTestCase {
- public void test1(){
- // Log.v()
- File f=new File("/sdcard");
- String[] l=f.list();
- this.assertTrue(f.exists());
- this.assertTrue(f.isDirectory());
- this.assertTrue(f.list().length>0);
- }
- }
2.用ActivityUnitTestCase
Java代码
- public class ForwardingTest extends ActivityUnitTestCase
< Forwarding> {- private Intent mStartIntent;
- private Button mButton;
- public ForwardingTest() {
- super(Forwarding.class);
- }
- @Override
- protected void setUp() throws Exception {
- super.setUp();
- // In setUp, you can create any shared test data,
or set up mock components to inject- // into your Activity. But do not call startActivity()
until the actual test methods.- mStartIntent = new Intent(Intent.ACTION_MAIN);
- }
- /**
- * The name 'test preconditions' is a convention
to signal that if this- * test doesn't pass, the test case was not set up
properly and it might- * explain any and all failures in other tests.
This is not guaranteed- * to run before other tests, as junit uses
reflection to find the tests.- */
- @MediumTest
- public void testPreconditions() {
- startActivity(mStartIntent, null, null);
- mButton = (Button) getActivity().findViewById(R.id.go);
- assertNotNull(getActivity());
- assertNotNull(mButton);
- }
- /**
- * This test demonstrates examining the way that
activity calls startActivity() to launch- * other activities.
- */
- @MediumTest
- public void testSubLaunch() {
- Forwarding activity = startActivity(mStartIntent, null, null);
- mButton = (Button) activity.findViewById(R.id.go);
- // This test confirms that when you click the
button, the activity attempts to open- // another activity (by calling startActivity)
and close itself (by calling finish()).- mButton.performClick();
- assertNotNull(getStartedActivityIntent());
- assertTrue(isFinishCalled());
- }
- /**
- * This test demonstrates ways to exercise the Activity's life cycle.
- */
- @MediumTest
- public void testLifeCycleCreate() {
- Forwarding activity = startActivity(mStartIntent, null, null);
- // At this point, onCreate() has been called, but nothing else
- // Complete the startup of the activity
- getInstrumentation().callActivityOnStart(activity);
- getInstrumentation().callActivityOnResume(activity);
- // At this point you could test for various configuration
aspects, or you could- // use a Mock Context to confirm that your activity
has made certain calls to the system- // and set itself up properly.
- getInstrumentation().callActivityOnPause(activity);
- // At this point you could confirm that the activity
has paused properly, as if it is- // no longer the topmost activity on screen.
- getInstrumentation().callActivityOnStop(activity);
- // At this point, you could confirm that the activity
has shut itself down appropriately,- // or you could use a Mock Context to confirm that your
activity has released any system- // resources it should no longer be holding.
- // ActivityUnitTestCase.tearDown(), which is always
automatically called, will take care- // of calling onDestroy().
- }
- }
Android单元测试相关应用方式就为大家介绍到这里。