rx.observers.TestSubscriber Java Examples

@Test
public void validateExceptionsAreUnmodifiedWithMockClientTest() {
    Class defaultExceptionClass = TargetGroupAssociationLimitException.class;
    TestSubscriber testSubscriber = new TestSubscriber();

    AmazonElasticLoadBalancingAsync albClient = mock(AmazonElasticLoadBalancingAsync.class);
    when(albClient.describeTargetHealthAsync(any(), any())).thenThrow(defaultExceptionClass);

    awsLoadBalancerConnector = getAwsLoadBalancerConnector(albClient);
    awsLoadBalancerConnector.getLoadBalancer(targetGroupWithTargets).subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();

    List<Throwable> errors = testSubscriber.getOnErrorEvents();
    assertEquals(1, errors.size());

    Throwable throwable = errors.get(0);
    assertFalse(throwable instanceof LoadBalancerException);
    assertTrue(throwable instanceof TargetGroupAssociationLimitException);
}
 

@Test
public void environmentService_findById() {
    Integer ENVIRONMENT_ID = 110;
    EnvironmentModel environment = new EnvironmentModel();
    environment.setId(ENVIRONMENT_ID);

    when(environmentRepository.findById(ENVIRONMENT_ID)).thenReturn(Observable.just(environment));

    TestSubscriber<EnvironmentModel> tester = new TestSubscriber<>();
    environmentService.findById(ENVIRONMENT_ID).subscribe(tester);

    verify(environmentRepository).findById(ENVIRONMENT_ID);

    tester.assertValue(environment);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void shouldForceTimeoutOfSocketConnectDoesNotReturn() {
    BootstrapAdapter bootstrap = mock(BootstrapAdapter.class);
    when(bootstrap.connect()).thenReturn(channel.newPromise()); // this promise never completes
    Endpoint endpoint = new DummyEndpoint(bootstrap, ctx);

    Observable<LifecycleState> observable = endpoint.connect();

    TestSubscriber<LifecycleState> testSubscriber = new TestSubscriber<LifecycleState>();
    observable.subscribe(testSubscriber);
    testSubscriber.awaitTerminalEvent();

    List<Throwable> errors = testSubscriber.getOnErrorEvents();
    assertEquals(1, errors.size());
    assertEquals(ConnectTimeoutException.class, errors.get(0).getClass());

    endpoint.disconnect().subscribe();
}
 

@Test
public void shouldPropagateErrorOnEncode() {
    String id = "key";
    ByteBuf content = Unpooled.buffer();
    content.release(); // provoke a IllegalReferenceCountException
    UpsertRequest request = new UpsertRequest(id, content, BUCKET);
    request.partition((short) 1);


    TestSubscriber<CouchbaseResponse> ts = TestSubscriber.create();
    request.observable().subscribe(ts);

    try {
        channel.writeOutbound(request);
        fail("Expected exception, none thrown.");
    } catch (EncoderException ex) {
        assertTrue(ex.getCause() instanceof IllegalReferenceCountException);
    }

    List<Throwable> onErrorEvents = ts.getOnErrorEvents();
    assertTrue(onErrorEvents.get(0) instanceof RequestCancelledException);
    assertTrue(onErrorEvents.get(0).getCause() instanceof IllegalReferenceCountException);
}
 

@Test
public void energyService_findByEnvironment() {
    Integer ENVIRONMENT = 108;
    List<EnergyModel> energies = new ArrayList<>();

    when(energyRepository.findByEnvironment(ENVIRONMENT)).thenReturn(Observable.just(energies));

    TestSubscriber<List<EnergyModel>> tester = new TestSubscriber<>();
    energyService.findByEnvironment(ENVIRONMENT).subscribe(tester);

    verify(energyRepository).findByEnvironment(ENVIRONMENT);

    tester.assertValue(energies);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@SuppressWarnings("unchecked")
@Test
public void bufferUntilSomeNull() {
    TestSubscriber<List<Integer>> ts = new TestSubscriber<List<Integer>>();
    
    Observable.just(1, 2, 3, null, 4, 5)
    .compose(Transformers.bufferUntil(new Func1<Integer, Boolean>() {
        @Override
        public Boolean call(Integer v) {
            return v != null && v == 20;
        }
    }))
    .subscribe(ts);
    
    ts.assertValues(
            Arrays.asList(1, 2, 3, null, 4, 5)
        );
    ts.assertNoErrors();
    ts.assertCompleted();
}
 

@Test
public void rxObservableInt() {
  server.enqueue(new MockResponse().setBody("1"));

  final TestInterface api = target();

  final Observable<Integer> observable = api.intObservable();

  assertThat(observable).isNotNull();
  assertThat(server.getRequestCount()).isEqualTo(0);

  final TestSubscriber<Integer> testSubscriber = new TestSubscriber<Integer>();
  observable.subscribe(testSubscriber);
  testSubscriber.awaitTerminalEvent();
  Assertions.assertThat(testSubscriber.getOnNextEvents().get(0)).isEqualTo(new Integer(1));
}
 

@Test
public void testObserveAuthState()  {

    TestSubscriber<FirebaseUser> testSubscriber = new TestSubscriber<>();
    RxFirebaseAuth.observeAuthState(mockAuth)
            .subscribeOn(Schedulers.immediate())
            .subscribe(testSubscriber);

    ArgumentCaptor<FirebaseAuth.AuthStateListener> argument = ArgumentCaptor.forClass(FirebaseAuth.AuthStateListener.class);
    verify(mockAuth).addAuthStateListener(argument.capture());
    argument.getValue().onAuthStateChanged(mockAuth);

    testSubscriber.assertNoErrors();
    testSubscriber.assertValueCount(1);
    testSubscriber.assertReceivedOnNext(Collections.singletonList(mockUser));
    testSubscriber.assertNotCompleted();
    testSubscriber.unsubscribe();
}
 

@Test
public void lightService_add() {
    String LIGHT_UUID = "myUuid";
    LightModel lightModel = new LightModel();

    when(lightRepository.add(lightModel)).thenReturn(Observable.just(LIGHT_UUID));

    TestSubscriber<String> tester = new TestSubscriber<>();
    lightService.add(lightModel).subscribe(tester);

    verify(lightRepository).add(lightModel);

    tester.assertValue(LIGHT_UUID);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void scenarioService_findByEnvironment() {
    Integer ENVIRONMENT = 108;
    List<ScenarioModel> scenarios = new ArrayList<>();

    when(scenarioRepository.findByEnvironment(ENVIRONMENT)).thenReturn(Observable.just(scenarios));

    TestSubscriber<List<ScenarioModel>> tester = new TestSubscriber<>();
    scenarioService.findByEnvironment(ENVIRONMENT).subscribe(tester);

    verify(scenarioRepository).findByEnvironment(ENVIRONMENT);

    tester.assertValue(scenarios);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void testUploadFailedUnhandledException() throws Exception {
    final File file = getFile(TEST_FILE);
    final String jobId = "job-id";
    final Job job = Job.builder()
            .setId(jobId)
            .setStatus(Status.createQueued(jobId))
            .setMetadata(Collections.emptyMap())
            .setFilepath(file.getPath())
            .setMimeType("text/plain")
            .build();

    final UploadService service = mock(UploadService.class);
    when(service.upload(anyMap(), any(MultipartBody.Part.class)))
            .thenThrow(new RuntimeException(""));

    final Uploader uploader = new Uploader(service, Schedulers.io());
    final TestSubscriber<Status> ts = TestSubscriber.create();
    uploader.upload(job, file).subscribe(ts);

    ts.awaitTerminalEvent(1, TimeUnit.SECONDS);
    ts.assertError(RuntimeException.class);
    ts.assertNoValues();
}
 

@SuppressWarnings("unchecked")
@Test
public void bufferUntilWith5() {
    TestSubscriber<List<Integer>> ts = new TestSubscriber<List<Integer>>();
    
    Observable.range(1, 10)
    .compose(Transformers.bufferUntil(new Func1<Integer, Boolean>() {
        @Override
        public Boolean call(Integer v) {
            return v == 5;
        }
    }))
    .subscribe(ts);
    
    ts.assertValues(
            Arrays.asList(1, 2, 3, 4, 5),
            Arrays.asList(6, 7, 8, 9, 10)
        );
    ts.assertNoErrors();
    ts.assertCompleted();
}
 

@Test
public void givenStringObservable_whenEncodingString_ThenSuccessfullObtainingByteStream()
{
    //given
    Observable<String> sourceObservable = Observable.just("Lorem ipsum loream");
    TestSubscriber<byte[]> subscriber = TestSubscriber.create();

    // when
    StringObservable.encode(sourceObservable, StandardCharsets.UTF_8)
        .subscribe(subscriber);

    // then
    subscriber.assertCompleted();
    subscriber.assertNoErrors();
    subscriber.assertValueCount(1);
    subscriber.getOnNextEvents()
        .stream()
        .forEach(bytes -> Assert.assertTrue(Arrays.equals(bytes, "Lorem ipsum loream".getBytes(StandardCharsets.UTF_8))));
}
 

@Test
public void rxObservableFallback() {
  server.enqueue(new MockResponse().setResponseCode(500));

  final TestInterface api = target();

  final Observable<String> observable = api.observable();

  assertThat(observable).isNotNull();
  assertThat(server.getRequestCount()).isEqualTo(0);

  final TestSubscriber<String> testSubscriber = new TestSubscriber<String>();
  observable.subscribe(testSubscriber);
  testSubscriber.awaitTerminalEvent();
  Assertions.assertThat(testSubscriber.getOnNextEvents().get(0)).isEqualTo("fallback");
}
 

@Test
public void performBeaconEncounter() {
    String beaconId = MockModelFabric.randomString();
    Encounter encounter = MockModelFabric.newEncounter();
    doReturn(Observable.just(encounter))
            .when(mMockRibotsService)
            .performBeaconEncounter(anyString(), eq(beaconId));

    TestSubscriber<Encounter> testSubscriber = new TestSubscriber<>();
    mDataManager.performBeaconEncounter(beaconId).subscribe(testSubscriber);

    testSubscriber.assertCompleted();
    testSubscriber.assertValue(encounter);

    verify(mMockPreferencesHelper).putLatestEncounter(encounter);
}
 

@Test
public void environmentRepository_findById() {
    Integer ENVIRONMENT_ID = 100;
    EnvironmentModel environment = newEnvironmentModel(ENVIRONMENT_ID, "myName");
    List<EnvironmentModel> environments = Arrays.asList(environment);

    when(databaseRealm.findCopyWhere(EnvironmentModel.class, EnvironmentModel.FIELD_ID, ENVIRONMENT_ID, null))
        .thenReturn(environments);

    TestSubscriber<EnvironmentModel> tester = new TestSubscriber<>();
    environmentRepository.findById(ENVIRONMENT_ID).subscribe(tester);

    verify(databaseRealm).findCopyWhere(EnvironmentModel.class, EnvironmentModel.FIELD_ID, ENVIRONMENT_ID, null);

    tester.assertValue(environment);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void lightRepository_findFavourites() {
    SampleModel model = new SampleModel();
    model.setUuid("uuid1");
    model.setEnvironmentId(108);
    model.setFavourite(true);

    List<SampleModel> lights = Arrays.asList(model);

    when(databaseRealm.findCopyWhere(SampleModel.class, DomoticModel.FIELD_FAVOURITE,
        true, DomoticModel.FIELD_NAME)).thenReturn(lights);

    TestSubscriber<List<SampleModel>> tester = new TestSubscriber<>();
    sampleRepository.findFavourites().subscribe(tester);

    verify(databaseRealm).findCopyWhere(SampleModel.class, DomoticModel.FIELD_FAVOURITE,
        true, DomoticModel.FIELD_NAME);

    tester.assertValue(lights);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void awaitEventWorks() throws Exception {
    final TestSubscriber<String> testSubscriber = new TestSubscriber<>();
    final AwaitableEventSubscriberDecorator<String> sub = new AwaitableEventSubscriberDecorator<>(testSubscriber);

    final BehaviorSubject<String> subject = BehaviorSubject.create();

    final Subscription subscription = subject.subscribe(sub);

    async.run(() -> {
        subject.onNext("hello");
        subject.onNext("world");
        subject.onNext("!");
        subject.onCompleted();
    });

    sub.awaitEvent(Integer.MAX_VALUE);
    testSubscriber.assertValues("hello", "world", "!");
    testSubscriber.assertCompleted();
    testSubscriber.assertNoErrors();
    subscription.unsubscribe();
}
 

@Test
public void givenObservable_whenUsingToSortedListWithComparator_thenObtainedAnInverseSortedList() {
    // given
    Observable<Integer> sourceObservable = Observable.range(10, 5);
    TestSubscriber<List> subscriber = TestSubscriber.create();

    // when
    Observable<List<Integer>> listObservable = sourceObservable.toSortedList((int1, int2) -> int2 - int1);
    listObservable.subscribe(subscriber);

    // then
    subscriber.assertCompleted();
    subscriber.assertNoErrors();
    subscriber.assertValueCount(1);
    subscriber.assertValue(Arrays.asList(14, 13, 12, 11, 10));
}
 

@Test
public void soundService_findById() {
    String SOUND_UUID = "myUuid";
    SoundModel soundModel = new SoundModel();
    soundModel.setUuid(SOUND_UUID);

    when(soundRepository.findById(SOUND_UUID)).thenReturn(Observable.just(soundModel));

    TestSubscriber<SoundModel> tester = new TestSubscriber<>();
    soundService.findById(SOUND_UUID).subscribe(tester);

    verify(soundRepository).findById(SOUND_UUID);

    tester.assertValue(soundModel);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

public static void main(String[] args) throws InterruptedException {
    reset();
    TestSubscriber<Object> ts = TestSubscriber.create();
    IO.serverSocket(12345).readTimeoutMs(10000).bufferSize(8).create()
            .flatMap(new Func1<Observable<byte[]>, Observable<byte[]>>() {
                @Override
                public Observable<byte[]> call(Observable<byte[]> g) {
                    return g //
                            .compose(Bytes.collect()) //
                            .doOnNext(new Action1<byte[]>() {

                        @Override
                        public void call(byte[] bytes) {
                            System.out.println(Thread.currentThread().getName() + ": "
                                    + new String(bytes).trim());
                        }
                    }) //
                            .onErrorResumeNext(Observable.<byte[]> empty()) //
                            .subscribeOn(scheduler);
                }
            }).subscribeOn(scheduler) //
            .subscribe(ts);

    Thread.sleep(10000000);

}
 

@Test
public void fetchProvidersForEmail()  {

    TestSubscriber<ProviderQueryResult> testSubscriber = new TestSubscriber<>();
    RxFirebaseAuth.fetchProvidersForEmail(mockAuth, "email")
            .subscribeOn(Schedulers.immediate())
            .subscribe(testSubscriber);

    testOnSuccessListener.getValue().onSuccess(mockProviderQueryResult);
    testOnCompleteListener.getValue().onComplete(mockProviderQueryResultTask);

    verify(mockAuth).fetchProvidersForEmail(eq("email"));

    testSubscriber.assertNoErrors();
    testSubscriber.assertValueCount(1);
    testSubscriber.assertReceivedOnNext(Collections.singletonList(mockProviderQueryResult));
    testSubscriber.assertCompleted();
    testSubscriber.unsubscribe();
}
 

@Test
public void selectionStrategyShouldNotBeCalledWithEmptyEndpoints() {
    EndpointFactoryMock ef = EndpointFactoryMock.simple(envCtx);
    ef.onConnectTransition(new Func1<Endpoint, LifecycleState>() {
        @Override
        public LifecycleState call(Endpoint endpoint) {
            return LifecycleState.DISCONNECTING;
        }
    });

    SelectionStrategy ss = mock(SelectionStrategy.class);

    MockedService ms = new MockedService(ServiceType.QUERY, ef, ssc(0, 2), ss);
    ms.connect().toBlocking().single();

    Tuple2<CouchbaseRequest, TestSubscriber<CouchbaseResponse>> mr1 = mockRequest();
    ms.send(mr1.value1());

    verify(ss, never()).select(any(CouchbaseRequest.class), any(List.class));
}
 

@Test
public void ipcamService_findByEnvironment() {
    Integer ENVIRONMENT = 108;
    List<IpcamModel> ipcams = new ArrayList<>();

    when(ipcamRepository.findByEnvironment(ENVIRONMENT)).thenReturn(Observable.just(ipcams));

    TestSubscriber<List<IpcamModel>> tester = new TestSubscriber<>();
    ipcamService.findByEnvironment(ENVIRONMENT).subscribe(tester);

    verify(ipcamRepository).findByEnvironment(ENVIRONMENT);

    tester.assertValue(ipcams);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void givenTimedObservable_whenThrottlingLast_thenThrottleLastItemsAreEmitted() {

    TestScheduler testScheduler = new TestScheduler();

    Observable<Integer> timedObservable =
            Observable.just(1, 2, 3, 4, 5, 6)
                    .zipWith(
                            Observable.interval(0, 1, TimeUnit.SECONDS, testScheduler),
                            (item, time) -> item
                    );

    TestSubscriber<Integer> subscriber = new TestSubscriber();

    Observable<Integer> filteredObservable = timedObservable.throttleLast(3100L, TimeUnit.MILLISECONDS, testScheduler);

    filteredObservable.subscribe(subscriber);

    testScheduler.advanceTimeBy(7, TimeUnit.SECONDS);

    subscriber.assertCompleted();
    subscriber.assertNoErrors();
    subscriber.assertValues(4, 6);
}
 

@Test
public void lightService_requestFavourites() {
    List<LightModel> lights = new ArrayList<>();

    mockClient();
    when(lightRepository.findFavourites()).thenReturn(Observable.just(lights));

    TestSubscriber<List<LightModel>> tester = new TestSubscriber<>();
    lightService.requestFavourites().subscribe(tester);

    tester.assertValue(lights);
    tester.assertCompleted();
    tester.assertNoErrors();
}
 

@Test
public void filteredObservableOnlyReceivesSomeObjects() {
    TestSubscriber<String> testSubscriber = new TestSubscriber<>();
    mEventBus.filteredObservable(String.class).subscribe(testSubscriber);

    String stringEvent = "Event";
    Integer intEvent = 20;
    mEventBus.post(stringEvent);
    mEventBus.post(intEvent);

    testSubscriber.assertValueCount(1);
    testSubscriber.assertValue(stringEvent);
}
 

@Test
public void shouldNotCreateNewEndpointOrAcceptRequestIfNodeIsDown() {
    EndpointFactoryMock ef = EndpointFactoryMock.simple(envCtx);
    ef.onCreate(new Action2<Endpoint, BehaviorSubject<LifecycleState>>() {
        @Override
        public void call(final Endpoint endpoint, final BehaviorSubject<LifecycleState> states) {
            when(endpoint.connect()).then(new Answer<Observable<LifecycleState>>() {
                @Override
                public Observable<LifecycleState> answer(InvocationOnMock invocation) throws Throwable {
                    states.onNext(LifecycleState.DISCONNECTING);
                    return Observable.error(new ConnectException("could not connect to remote"));
                }
            });
        }
    });

    SelectionStrategy ss = new RoundRobinSelectionStrategy();
    MockedService ms = new MockedService(ServiceType.QUERY, ef, ssc(0, 1), ss);
    ms.connect().toBlocking().single();

    Tuple2<CouchbaseRequest, TestSubscriber<CouchbaseResponse>> mr1 = mockRequest();

    ms.send(mr1.value1());
    ef.advanceAll(LifecycleState.CONNECTED);

    assertEquals(1, ef.endpointCount());

    mr1.value2().assertError(RequestCancelledException.class);

    Tuple2<CouchbaseRequest, TestSubscriber<CouchbaseResponse>> mr2 = mockRequest();
    ms.send(mr2.value1());

    // Second request should not create another endpoint
    assertEquals(1, ef.endpointCount());
    assertEquals(0, ef.endpointSendCalled());

    mr1.value2().assertError(RequestCancelledException.class);
}
 

@Test public void testDownloadAllFonts_filesExist() throws Exception {
  TestSubscriber<File> testSubscriber = new TestSubscriber<>();

  FontDownloader fontDownloader = new FontDownloader(new MockFontPackage(MOCK_FONT_PACK_NAME));
  fontDownloader.downloadAllFonts().subscribe(testSubscriber);
  testSubscriber.assertNoErrors();

  File downloadedFontPack = new File(MockFontPackage.TEST_FOLDER, MOCK_FONT_PACK_NAME + "FontPack");

  assertTrue(downloadedFontPack.exists());
  assertTrue(downloadedFontPack.isDirectory());
  assertEquals(Style.values().length, downloadedFontPack.listFiles().length);
}
 

@Test
public void shouldProvideBitmap() throws Exception {
    TestSubscriber<Bitmap> testSubscriber = new TestSubscriber<>();
    new SnapshotFunc().call(googleMap)
            .subscribe(testSubscriber);
    verify(googleMap).snapshot(argumentCaptor.capture());
    argumentCaptor.getValue().onSnapshotReady(null);
    testSubscriber.assertNoErrors();
    testSubscriber.assertValueCount(1);
    testSubscriber.assertValue(null);
}