RuntimeException的同时使用ActivityUnitTestCase,但不能同时ActivityInstrumentationTestCase2 [英] RuntimeException while using ActivityUnitTestCase, but not while ActivityInstrumentationTestCase2
问题描述
我试图来测试ActivityUnitTestCase一个Android应用程序的MainActvity。出于某种原因,我甚至不能开始测试,因为它失败,出现以下错误跟踪:
I am trying to test the MainActvity of an Android application with ActivityUnitTestCase. For some reason, I cannot even start the test, because it fails with the following error trace:
java.lang.RuntimeException: Exception during suite construction
at android.test.suitebuilder.TestSuiteBuilder$FailedToCreateTests.testSuiteConstructionFailed(TestSuiteBuilder.java:238)
at java.lang.reflect.Method.invokeNative(Native Method)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:169)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:154)
at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:537)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1594)
Caused by: java.lang.NullPointerException: name == null
at java.lang.Class.getConstructorOrMethod(Class.java:446)
at java.lang.Class.getMethod(Class.java:915)
at android.test.suitebuilder.TestMethod.getAnnotation(TestMethod.java:60)
at android.test.suitebuilder.annotation.HasMethodAnnotation.apply(HasMethodAnnotation.java:39)
at android.test.suitebuilder.annotation.HasMethodAnnotation.apply(HasMethodAnnotation.java:30)
at com.android.internal.util.Predicates$OrPredicate.apply(Predicates.java:106)
at android.test.suitebuilder.annotation.HasAnnotation.apply(HasAnnotation.java:42)
at android.test.suitebuilder.annotation.HasAnnotation.apply(HasAnnotation.java:31)
at com.android.internal.util.Predicates$NotPredicate.apply(Predicates.java:122)
at android.test.suitebuilder.TestSuiteBuilder.satisfiesAllPredicates(TestSuiteBuilder.java:253)
at android.test.suitebuilder.TestSuiteBuilder.build(TestSuiteBuilder.java:189)
at android.test.InstrumentationTestRunner.onCreate(InstrumentationTestRunner.java:371)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3943)
at android.app.ActivityThread.access$1300(ActivityThread.java:127)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1189)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4447)
at java.lang.reflect.Method.invokeNative(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
我无法调试它,因为它它得到任何我可以把测试用例类断点之前失败。任何测试我的类ActivityInstrumentationTestCase2工作做没有问题。
I cannot debug it, since it fails before it gets to any of the breakpoints I can put in the test case class. Any tests I am doing with the class ActivityInstrumentationTestCase2 work without problems.
在控制台中显示以下错误消息:
In the console the following error message is displayed:
Test run failed: Instrumentation run failed due to 'java.lang.RuntimeException'
我认为,这暗示getInstrumentation()不能成功调用。如果是这样,我怎么可能以其他方式开始在MainActivity创建一个有效的意图是什么?
I assume, that it hints that getInstrumentation() cannot be successfully called. If so, how could I otherwise create a valid Intent for starting the MainActivity?
在code。与ActivityUnitTestCase:
The code with ActivityUnitTestCase:
public class MainActivityUnitTest extends
android.test.ActivityUnitTestCase<MainActivity> {
private MainActivity activity;
public MainActivityUnitTest(String name) {
super(MainActivity.class);
}
@Override
protected void setUp() throws Exception {
super.setUp();
}
@SmallTest
public void testActivity() {
Intent intent = new Intent(getInstrumentation().getTargetContext(),
MainActivity.class);
startActivity(intent, null, null);
activity = getActivity();
assertNotNull(activity);
}
}
感谢您提供任何帮助。
Thank you for any help provided.
推荐答案
的问题是在构造函数参数名。当删除它,它跑得很清楚。 :)
The problem was in the parameter "name" in the constructor. When removing it, it ran perfectly well. :)
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