Java – runtimeException when using activityunittestcase, but not runtimeException when using activityinstrumentationtestcase2
•
Android
I'm trying to test the mainactivity of an Android application using activityunittestcase. For some reason, I can't 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)
I can't debug it because it fails before it reaches any breakpoint I can put in the test case class. Any tests I'm doing with the activityinstrumentationtestcase2 class are fine
The following error message is displayed in the console:
Test run Failed: Instrumentation run Failed due to 'java.lang.RuntimeException'
I assume that it implies that getinstrumentation () cannot be called successfully. If so, how can I create a valid intent to start mainactivity?
Code of 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);
}
}
Thank you for any help
resolvent:
The problem is in the parameter "name" in the constructor. It works very well when it is removed
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