我使用Android Compatibility Package的Fragment
,使用android-support-v4.jar
。但是我无法对此进行JUnit测试。FragmentActivity Junit测试
我的主要FragmentActivity
类被声明为在我的测试项目
public class MyActivityClassTest extends ActivityInstrumentationTestCase2<MyActivityClass> {
public MyActivityClassTest() {
super("com.android.myproject", MyActivityClass.class);
}
@Override
protected void setUp() throws Exception {
super.setUp();
...................
}
public void testPreconditions() {
.................
}
public void testNotNull(){
................
}
}
如下
public class MyActivityClass extends FragmentActivity{
...............
}
然后但当我为Android JUnit Test
运行产生FailedToCreateTests[Runner:Junit3]
追踪破坏
java.lang.RuntimeException: Exception during suite construction
at android.test.suitebuilder.TestSuiteBuilder$FailedToCreateTests.testSuiteConstructionFailed(TestSuiteBuilder.java:239)
at java.lang.reflect.Method.invokeNative(Native Method)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:169)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:154)
at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:430)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1447)
Caused by: java.lang.reflect.InvocationTargetException
at com.android.myproject.test.MyActivityClassTest.<init>(MyActivityClassTest.java:28)
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:446)
at android.test.suitebuilder.TestMethod.instantiateTest(TestMethod.java:87)
at android.test.suitebuilder.TestMethod.createTest(TestMethod.java:73)
at android.test.suitebuilder.TestSuiteBuilder.addTest(TestSuiteBuilder.java:263)
at android.test.suitebuilder.TestSuiteBuilder.build(TestSuiteBuilder.java:185)
at android.test.InstrumentationTestRunner.onCreate(InstrumentationTestRunner.java:336)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3982)
at android.app.ActivityThread.access$2900(ActivityThread.java:119)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1901)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4363)
at java.lang.reflect.Method.invokeNative(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NoClassDefFoundError: com.android.myproject.MyActivityClass
... 19 more
当我改变MyActivityClass
来扩展Activity
它工作得很好(MyActivityClass extends Activity
)
我使用了相同的android-support-v4.jar
在我的测试和主体工程
这成功解决了它,但编号仍然想知道为什么它发生在使用单独的测试项目时... – brk3