Ich bin neu in der Unit-Tests und ich bin Unit-Test Retrofit mit RX Android. Ich habe eine Observable, die Zugangstoken von der API erhält, und ich benutze es mit Retrofit, um Anfrage zu senden. Ich erhalte Null-Zeiger-Ausnahme auf Grund hier ist mein Code:Unit Testing mit Retrofit und Rx Android
@RunWith(MockitoJUnitRunner.class)
public class AuthenticationTokenGetterTest {
@Mock
AuthenticatorInterface authenticatorservice;
@InjectMocks
AuthenticationTokenGetter tokengetter;
@Test
public void testtokkengetter() {
when(authenticatorservice.servicecall(anyString(), anyString())).thenReturn(
Observable.just("44fffffggggggg"));
Observable<String> obs = tokengetter.getToken();
TestSubscriber<String> testsubscriber = new TestSubscriber<>();
obs.subscribe(testsubscriber);
testsubscriber.assertNoErrors(); // Here I get exception
List<String> value = testsubscriber.getOnNextEvents();
}
}
Aber ich bin immer java.lang.NullPointerException die ganze Zeit. und meine beobachtbaren Code ist, was ich testen:
@CheckResult
public Observable<String> getToken() {
return service.servicecall(key, code)
.subscribeOn(Schedulers.newThread())
.doOnNext(new Action1<String>() {
public void call(String token) {
savedToken = token;
}
})
.observeOn(AndroidSchedulers.mainThread());
}
Mein Fehler ist:
java.lang.AssertionError: Unexpected onError events: 1
at rx.observers.TestSubscriber.assertNoErrors(TestSubscriber.java:308)
at AuthenticationTokenGetterTest.testtokkengetter(AuthenticationTokenGetterTest.java:47)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl.run(JUnit45AndHigherRunnerImpl.java:37)
at org.mockito.runners.MockitoJUnitRunner.run(MockitoJUnitRunner.java:62)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:262)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: java.lang.NullPointerException
at rx.android.schedulers.LooperScheduler$HandlerWorker.schedule(LooperScheduler.java:77)
at rx.android.schedulers.LooperScheduler$HandlerWorker.schedule(LooperScheduler.java:91)
at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.schedule(OperatorObserveOn.java:190)
at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber$1.request(OperatorObserveOn.java:147)
at rx.Subscriber.setProducer(Subscriber.java:209)
at rx.Subscriber.setProducer(Subscriber.java:205)
at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.init(OperatorObserveOn.java:141)
at rx.internal.operators.OperatorObserveOn.call(OperatorObserveOn.java:75)
at rx.internal.operators.OperatorObserveOn.call(OperatorObserveOn.java:40)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:46)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)
at rx.Observable.subscribe(Observable.java:8759)
at rx.Observable.subscribe(Observable.java:8726)
.AuthenticationTokenGetterTest.testtokkengetter(AuthenticationTokenGetterTest.java:45)
Bitte geben Sie auch den StackTrace an. – jakubbialkowski
@jakubbialkowski bearbeitet – SimpleMan