<T> Observable<T> errorWhenLoggedIn(Throwable throwable) {
if (throwable instanceof AuthException) {
return userDataSource.getCurrentUser().flatMap(user -> Observable.error(throwable));
} else {
return Observable.error(throwable);
}
}
@SuppressWarnings({"unchecked", "RedundantCast"})
private static Observable<Object> invokeWithRetry(
Api api, Method method, Object[] args, Predicate<Throwable> shouldRetryTest, int retryCount)
throws IllegalAccessException, InvocationTargetException {
Observable<Object> result = (Observable<Object>) method.invoke(api, args);
for (int i = 0; i < retryCount; i++) {
result =
result.onErrorResumeNext(
err -> {
if (shouldRetryTest.apply(err)) {
try {
// give the server a small grace period before trying again.
Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
logger.warn("perform retry, calling method {} again", method);
return (Observable<Object>) method.invoke(api, args);
} catch (Exception error) {
return Observable.error(error);
}
} else {
// forward error if it is not a network problem
return Observable.error(err);
}
});
}
return result;
}
/**
* Creates a credential request to get a CK
*
* @param _applicationKey the OVH API application key
* @param _applicationSecret the OVH API application secret
* @param _rules the list of rules to be granted by the CK
* @param _redirection the redirection url for after-connection
* @return an Observable CredentialRequest
*/
public static Observable<CredentialRequest> build(
String _applicationKey, String _applicationSecret, AccessRules _rules, String _redirection) {
return new RequestBuilder("/auth/credential", Method.POST, _applicationKey)
.body(
new JSONObject()
.put("redirection", _redirection)
.put("accessRules", _rules.toJson())
.toString())
.build()
.flatMap(
(SafeResponse t1) -> {
if (t1.getStatus() < 200
|| t1.getStatus() >= 300
|| t1.getBody() == null
|| t1.getBody().isArray()) {
return Observable.error(
new RequestException(
t1.getStatus(),
t1.getStatusText(),
(t1.getBody() == null) ? null : t1.getBody().toString()));
}
JSONObject token = t1.getBody().getObject();
return Observable.just(
new CredentialRequest(
_applicationKey,
_applicationSecret,
token.getString("consumerKey"),
token.getString("validationUrl")));
});
}
@Test
public void testFlatMapTransformsException() {
Observable<Integer> onNext = Observable.from(Arrays.asList(1, 2, 3));
Observable<Integer> onCompleted = Observable.from(Arrays.asList(4));
Observable<Integer> onError = Observable.from(Arrays.asList(5));
Observable<Integer> source =
Observable.concat(
Observable.from(Arrays.asList(10, 20, 30)),
Observable.<Integer>error(new RuntimeException("Forced failure!")));
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
source.flatMap(just(onNext), just(onError), just0(onCompleted)).subscribe(o);
verify(o, times(3)).onNext(1);
verify(o, times(3)).onNext(2);
verify(o, times(3)).onNext(3);
verify(o).onNext(5);
verify(o).onCompleted();
verify(o, never()).onNext(4);
verify(o, never()).onError(any(Throwable.class));
}
/**
* Executes the interceptor chain for the passed request and response.
*
* @param request Request to be executed.
* @param response Response to be populated.
* @param keyEvaluationContext The context for {@link InterceptorKey} evaluation.
* @return The final result of execution after executing all the inbound and outbound interceptors
* and the router.
*/
public Observable<Void> execute(final I request, final O response, C keyEvaluationContext) {
final ExecutionContext context = new ExecutionContext(request, keyEvaluationContext);
InboundInterceptor<I, O> nextIn = context.nextIn(request);
Observable<Void> startingPoint;
if (null != nextIn) {
startingPoint = nextIn.in(request, response);
} else if (context.invokeRouter()) {
startingPoint = router.handle(request, response);
} else {
return Observable.error(
new IllegalStateException("No router defined.")); // No router defined.
}
return startingPoint.lift(
new Observable.Operator<Void, Void>() {
@Override
public Subscriber<? super Void> call(Subscriber<? super Void> child) {
SerialSubscription subscription = new SerialSubscription();
ChainSubscriber chainSubscriber =
new ChainSubscriber(subscription, context, request, response, child);
subscription.set(chainSubscriber);
child.add(subscription);
return chainSubscriber;
}
});
}
@Test
public void testAssertError() {
RuntimeException e = new RuntimeException("Oops");
TestSubscriber<Object> subscriber = new TestSubscriber<Object>();
Observable.error(e).subscribe(subscriber);
subscriber.assertError(e);
}
public Observable<List<TwitterUser>> searchUsers(String prefix) {
if (ThreadLocalRandom.current().nextDouble() < failureProbability) {
return Observable.error(new IOException("Broken pipe"));
}
return Observable.from(users).skip(1).toList().subscribeOn(Schedulers.newThread());
}
@Override
public Observable<ByteBuf> get(final String key, Map<String, Object> requestProperties) {
if (key.equals(id)) {
return Observable.just(Unpooled.buffer().writeBytes(id.getBytes(Charset.defaultCharset())));
} else {
return Observable.error(new IllegalArgumentException());
}
};
@Test
public void loadRepoEventsObservableThrowsError() {
when(repo.getModificationId()).thenReturn("modif id");
when(repo.getEventsSubscribedOnProperScheduler()).thenReturn(Observable.error(new Throwable()));
sut.loadEvents(false, callback);
verify(callback).onEventsLoadingStarted("modif id");
verify(callback).onEventsLoadingCancelled("modif id");
}
public Observable<List<Item>> getEmulateResponse(int offset, int limit) {
if (offset == OFFSET_WHEN_FAKE_ERROR && fakeErrorCount < MAX_FAKE_ERROR_COUNT) {
// emulate fake error in response
fakeErrorCount++;
return Observable.error(new RuntimeException("fake error"));
} else {
return Observable.defer(() -> Observable.just(getFakeItemList(offset, limit)))
.delaySubscription(FAKE_RESPONSE_TIME_IN_MS, TimeUnit.MILLISECONDS);
}
}
public void loadTeam(int teamNumber) {
getMvpView().clearCurrentTeamLocations();
mRxTeamLocationsCacheHelper.cache(
mDataManager
.getTeamLocationRecordsFromServer(teamNumber)
.flatMap(
listResponse ->
listResponse.code() == HttpStatus.NOT_FOUND
? Observable.error(new TeamNotFoundException(listResponse))
: Observable.just(listResponse))
.flatMap(HttpStatus::requireOk)
.compose(RxUtil.applyIoSchedulers()));
continueCachedTeamLocationsRequest();
}
@Test
@SuppressWarnings("unchecked")
public void testDematerialize3() {
Exception exception = new Exception("test");
Observable<Integer> observable = Observable.error(exception);
Observable<Integer> dematerialize = Observable.create(dematerialize(observable.materialize()));
Observer<Integer> observer = mock(Observer.class);
dematerialize.subscribe(observer);
verify(observer, times(1)).onError(exception);
verify(observer, times(0)).onCompleted();
verify(observer, times(0)).onNext(any(Integer.class));
}
@Test
public void signInFailsWithGeneralError() {
main.launchActivity(SignInActivity.getStartIntent(component.getContext(), false));
stubAccountPickerIntent();
// Stub an error when calling sign in
doReturn(Observable.error(new RuntimeException("Error")))
.when(component.getMockDataManager())
.signIn(mSelectedAccount);
onView(withId(R.id.button_sign_in)).perform(click());
allowPermissionsIfNeeded();
onView(withText(R.string.error_sign_in)).check(matches(isDisplayed()));
}
@Test
public void testPropogateErrorInTheMiddleOfMultibyte() {
Observable<byte[]> src = Observable.from(new byte[] {(byte) 0xc2});
Observable<byte[]> err = Observable.error(new IOException());
CharsetDecoder charsetDecoder = Charset.forName("UTF-8").newDecoder();
try {
StringObservable.decode(Observable.concat(src, err), charsetDecoder)
.toList()
.toBlockingObservable()
.single();
fail();
} catch (RuntimeException e) {
assertEquals(MalformedInputException.class, e.getCause().getClass());
}
}
// Save image on disk
private Observable<Page> downloadImage(
Page page, Source source, File directory, String filename) {
page.setStatus(Page.DOWNLOAD_IMAGE);
return source
.getImageProgressResponse(page)
.flatMap(
resp -> {
try {
DiskUtils.saveBufferedSourceToDirectory(resp.body().source(), directory, filename);
} catch (Exception e) {
Timber.e(e.getCause(), e.getMessage());
return Observable.error(e);
}
return Observable.just(page);
})
.retry(2);
}
@Test
public void testFlatMapTransformsMergeException() {
Observable<Integer> onNext = Observable.error(new TestException());
Observable<Integer> onCompleted = Observable.from(Arrays.asList(4));
Observable<Integer> onError = Observable.from(Arrays.asList(5));
Observable<Integer> source = Observable.from(Arrays.asList(10, 20, 30));
@SuppressWarnings("unchecked")
Observer<Object> o = mock(Observer.class);
source.flatMap(just(onNext), just(onError), funcThrow0(onCompleted)).subscribe(o);
verify(o).onError(any(TestException.class));
verify(o, never()).onNext(any());
verify(o, never()).onCompleted();
}
private Api newProxyWrapper() {
Api backend = newRestAdapter();
// proxy to add the nonce if not provided
return Reflection.newProxy(
Api.class,
(proxy, method, args) -> {
Class<?>[] params = method.getParameterTypes();
if (params.length > 0 && params[0] == Api.Nonce.class) {
if (args.length > 0 && args[0] == null) {
// inform about failure.
try {
args = Arrays.copyOf(args, args.length);
args[0] = cookieHandler.getNonce();
} catch (Throwable error) {
AndroidUtility.logToCrashlytics(error);
if (method.getReturnType() == Observable.class) {
// don't fail here, but fail in the resulting observable.
return Observable.error(error);
} else {
throw error;
}
}
}
}
if (method.getReturnType() == Observable.class) {
// check if this is a get for retry.
int retryCount = 2;
if (method.getAnnotation(GET.class) != null) {
return invokeWithRetry(backend, method, args, ApiProvider::isHttpError, retryCount);
} else {
return invokeWithRetry(backend, method, args, ApiProvider::isHttpError, retryCount);
}
}
try {
return method.invoke(backend, args);
} catch (InvocationTargetException targetError) {
throw targetError.getCause();
}
});
}
@Test
public void testBottomLetterPressedWithCorrectAnswerAndErrorOccurs() {
when(mockRepository.getRandomWord()).thenReturn(Observable.<Word>error(new Exception()));
when(mockStore.state())
.thenReturn(createState("test", toListOfLetters("test"), singletonList("test"), 0, 1L));
actionCreator.bottomLetterPressed();
ArgumentCaptor<Action> actionCaptor = ArgumentCaptor.forClass(Action.class);
verify(mockStore, times(3)).dispatch(actionCaptor.capture());
List<Action> capturedActions = actionCaptor.getAllValues();
assertEquals(capturedActions.get(0), Action.BottomPressed.INSTANCE);
assertEquals(capturedActions.get(1), Action.Back.INSTANCE);
assertEquals(capturedActions.get(2), Action.LoadWordError.INSTANCE);
}
@Test
public void signInFailsWithProfileNotFound() {
main.launchActivity(SignInActivity.getStartIntent(component.getContext(), false));
stubAccountPickerIntent();
// Stub with http 403 error
HttpException http403Exception = new HttpException(Response.error(403, null));
doReturn(Observable.error(http403Exception))
.when(component.getMockDataManager())
.signIn(mSelectedAccount);
onView(withId(R.id.button_sign_in)).perform(click());
allowPermissionsIfNeeded();
String expectedWelcome =
main.getActivity().getString(R.string.error_ribot_profile_not_found, mSelectedAccount.name);
onView(withText(expectedWelcome)).check(matches(isDisplayed()));
}
@Test
public void testInitiateGameError() {
when(mockRepository.getRandomWord()).thenReturn(Observable.<Word>error(new Exception()));
actionCreator.initiateGame();
ArgumentCaptor<Action> actionCaptor = ArgumentCaptor.forClass(Action.class);
verify(mockStore, times(3)).dispatch(actionCaptor.capture());
List<Action> capturedActions = actionCaptor.getAllValues();
Action.Navigate firstAction = (Action.Navigate) capturedActions.get(0);
assertEquals(firstAction.getPage().getLayoutId(), R.layout.loading);
assertEquals(firstAction.getAddToBackStack(), true);
assertEquals(capturedActions.get(1), Action.Back.INSTANCE);
assertEquals(capturedActions.get(2), Action.LoadWordError.INSTANCE);
}
// Download the entire chapter
private Observable<Download> downloadChapter(Download download) {
try {
DiskUtils.createDirectory(download.directory);
} catch (IOException e) {
return Observable.error(e);
}
Observable<List<Page>> pageListObservable =
download.pages == null
?
// Pull page list from network and add them to download object
download
.source
.pullPageListFromNetwork(download.chapter.url)
.doOnNext(pages -> download.pages = pages)
.doOnNext(pages -> savePageList(download))
:
// Or if the page list already exists, start from the file
Observable.just(download.pages);
return pageListObservable
.subscribeOn(Schedulers.io())
.doOnNext(
pages -> {
download.downloadedImages = 0;
download.setStatus(Download.DOWNLOADING);
})
// Get all the URLs to the source images, fetch pages if necessary
.flatMap(download.source::getAllImageUrlsFromPageList)
// Start downloading images, consider we can have downloaded images already
.concatMap(page -> getOrDownloadImage(page, download))
// Do after download completes
.doOnCompleted(() -> onDownloadCompleted(download))
.toList()
.map(pages -> download)
// If the page list threw, it will resume here
.onErrorResumeNext(
error -> {
download.setStatus(Download.ERROR);
return Observable.just(download);
});
}
// @RxLogObservable(RxLogObservable.Scope.NOTHING)
@RxLogObservable
public static Observable<List<HeroAndAdvantages>> getObservable(
List<String> heroesInPhoto,
boolean networkAvailable,
final Pair<List<String>, List<HeroAndAdvantages>> lastAdvantageData) {
if (networkAvailable == false) {
// There's no network connection so we might as well give up now
return Observable.error(new Throwable("No network available"));
}
RestAdapter restAdapter = new RestAdapter.Builder().setEndpoint(SERVICE_ENDPOINT).build();
AdvantagesApi advantagesApi = restAdapter.create(AdvantagesApi.class);
if (heroesInPhoto.size() != 5) {
throw new RuntimeException("Wrong number of heroes. Need 5");
}
if (lastAdvantageData != null) {
final int differencePos = findSingleDifference(heroesInPhoto, lastAdvantageData.first);
if (differencePos == NO_DIFFERENCES_FOUND) {
// If the heroes are the same as those we processed last time then we can just send
// back the same results as last time
Log.d(TAG, "No differences found.");
return Observable.just(lastAdvantageData.second);
}
if (differencePos != MULTIPLE_DIFFERENCES_FOUND) {
// If there is only one hero which has changed then we only need to ask the server
// to give us data on that hero (this makes it easier, and quicker, for the server)
return getSingleHeroChangedObservable(
lastAdvantageData.second, heroesInPhoto, differencePos, advantagesApi);
}
}
List<String> testList = Arrays.asList("", "", "", "", "");
int singleHeroPos = findSingleDifference(heroesInPhoto, testList);
if (singleHeroPos != NO_DIFFERENCES_FOUND && singleHeroPos != MULTIPLE_DIFFERENCES_FOUND) {
return getSingleNewHeroObservable(advantagesApi, singleHeroPos, heroesInPhoto);
}
return getFullObservable(advantagesApi, heroesInPhoto);
}
@Test
public void testDelayedErrorDeliveryWhenSafeSubscriberUnsubscribes() {
TestScheduler testScheduler = new TestScheduler();
Observable<Integer> source =
Observable.concat(Observable.<Integer>error(new TestException()), Observable.just(1));
@SuppressWarnings("unchecked")
Observer<Integer> o = mock(Observer.class);
InOrder inOrder = inOrder(o);
source.observeOn(testScheduler).subscribe(o);
inOrder.verify(o, never()).onError(any(TestException.class));
testScheduler.advanceTimeBy(1, TimeUnit.SECONDS);
inOrder.verify(o).onError(any(TestException.class));
inOrder.verify(o, never()).onNext(anyInt());
inOrder.verify(o, never()).onCompleted();
}
static Observable<File> unTar(
File archiveFile,
Collection collection,
String lastModified,
IonConfig config,
Context context) {
return Observable.just(null)
.flatMap(
o -> {
try {
return Observable.from(
performUnTar(archiveFile, config, collection, lastModified, context))
// write cache index entries
.doOnNext(
fileWithType ->
saveCacheIndex(fileWithType, collection, lastModified, config, context))
.map(fileWithType -> fileWithType.file);
} catch (IOException | ArchiveException e) {
return Observable.error(e);
}
});
}
public static Observable<Tuple2<Integer, Bundle>> startActivityForObservable(
String tag, Activity activity, Intent intent) {
final ResultData resultData = savedInstanceStateMap.get(tag);
if (resultData == null)
return Observable.error(new RuntimeException("Do not have this Activity state: tag=" + tag));
return Observable.create(
new Observable.OnSubscribe<Tuple2<Integer, Bundle>>() {
@Override
public void call(final Subscriber<? super Tuple2<Integer, Bundle>> sub) {
final int requestCode = random.nextInt() & 0x0000ffff;
activity.startActivityForResult(intent, requestCode);
resultData
.getOnResultSubject()
.subscribe(
tuple -> {
if (requestCode == tuple.getData1())
sub.onNext(Tuple2.of(tuple.getData2(), tuple.getData3()));
sub.onCompleted();
},
sub::onError);
}
});
}
@HystrixCommand
public Observable<Void> observableCommandShouldRaiseHystrixRuntimeException()
throws SpecificException {
return Observable.error(
new SpecificException("from 'observableCommandShouldRaiseHystrixRuntimeException'"));
}
@NonNull
@Override
public Observable<Void> write(
@NonNull final GattPeripheral.WriteType writeType,
@NonNull final byte[] payload,
@NonNull final OperationTimeout timeout) {
if (payload.length > PACKET_LENGTH) {
return Observable.error(
new IllegalArgumentException(
"Payload length " + payload.length + " greater than " + PACKET_LENGTH));
}
return peripheral.createObservable(
new Observable.OnSubscribe<Void>() {
@Override
public void call(final Subscriber<? super Void> subscriber) {
if (peripheral.getConnectionStatus() != GattPeripheral.STATUS_CONNECTED
|| peripheral.gatt == null) {
subscriber.onError(new ConnectionStateException());
return;
}
final Runnable onDisconnect =
peripheral.addTimeoutDisconnectListener(subscriber, timeout);
peripheral.setupTimeout(
Operation.ENABLE_NOTIFICATION, timeout, subscriber, onDisconnect);
gattDispatcher.characteristicWrite =
new CharacteristicWriteListener() {
@Override
public void onCharacteristicWrite(
@NonNull BluetoothGatt gatt,
@NonNull BluetoothGattCharacteristic characteristic,
int status) {
timeout.unschedule();
if (status != BluetoothGatt.GATT_SUCCESS) {
logger.error(
GattPeripheral.LOG_TAG,
"Could not write command "
+ getUuid()
+ ", "
+ GattException.statusToString(status),
null);
subscriber.onError(new GattException(status, Operation.WRITE_COMMAND));
} else {
subscriber.onNext(null);
subscriber.onCompleted();
}
peripheral.removeDisconnectListener(onDisconnect);
gattDispatcher.characteristicWrite = null;
}
};
final BluetoothGattCharacteristic characteristic =
service.wrappedService.getCharacteristic(getUuid());
// Looks like write type might need to be specified for some phones. See
// <http://stackoverflow.com/questions/25888817/android-bluetooth-status-133-in-oncharacteristicwrite>
characteristic.setWriteType(writeType.value);
characteristic.setValue(payload);
if (peripheral.gatt.writeCharacteristic(characteristic)) {
timeout.schedule();
} else {
peripheral.removeDisconnectListener(onDisconnect);
gattDispatcher.characteristicWrite = null;
subscriber.onError(
new GattException(
BluetoothGatt.GATT_WRITE_NOT_PERMITTED, Operation.WRITE_COMMAND));
}
}
});
}
private Observable<Navajo> processNavajoEvent(
NavajoStreamEvent n, Subscriber<? super Navajo> subscriber) {
switch (n.type()) {
case NAVAJO_STARTED:
createHeader((NavajoHead) n.body());
return Observable.<Navajo>empty();
case MESSAGE_STARTED:
Message prMessage = null;
if (!messageStack.isEmpty()) {
prMessage = messageStack.peek();
}
String mode = (String) n.attribute("mode");
Message msg =
NavajoFactory.getInstance().createMessage(assemble, n.path(), Message.MSG_TYPE_SIMPLE);
msg.setMode(mode);
if (prMessage == null) {
assemble.addMessage(msg);
} else {
prMessage.addMessage(msg);
}
messageStack.push(msg);
tagStack.push(n.path());
return Observable.<Navajo>empty();
case MESSAGE:
Message msgParent = messageStack.pop();
tagStack.pop();
Msg mm = (Msg) n.body();
List<Prop> msgProps = mm.properties();
for (Prop e : msgProps) {
msgParent.addProperty(createTmlProperty(e));
}
for (Entry<String, Binary> e : pushBinaries.entrySet()) {
msgParent.addProperty(createBinaryProperty(e.getKey(), e.getValue()));
}
pushBinaries.clear();
return Observable.<Navajo>empty();
case ARRAY_STARTED:
tagStack.push(n.path());
String path = currentPath();
AtomicInteger cnt = arrayCounts.get(path);
if (cnt == null) {
cnt = new AtomicInteger();
arrayCounts.put(path, cnt);
}
// cnt.incrementAndGet();
Message parentMessage = null;
if (!messageStack.isEmpty()) {
parentMessage = messageStack.peek();
}
Message arr =
NavajoFactory.getInstance().createMessage(assemble, n.path(), Message.MSG_TYPE_ARRAY);
if (parentMessage == null) {
assemble.addMessage(arr);
} else {
parentMessage.addMessage(arr);
}
messageStack.push(arr);
return Observable.<Navajo>empty();
case ARRAY_DONE:
String apath = currentPath();
arrayCounts.remove(apath);
this.messageStack.pop();
return Observable.<Navajo>empty();
case ARRAY_ELEMENT_STARTED:
String arrayElementName = tagStack.peek();
String arrayPath = currentPath();
AtomicInteger currentCount = arrayCounts.get(arrayPath);
String ind = "@" + currentCount.getAndIncrement();
tagStack.push(ind);
arrayPath = currentPath();
Message newElt =
NavajoFactory.getInstance()
.createMessage(assemble, arrayElementName, Message.MSG_TYPE_ARRAY_ELEMENT);
Message arrParent = messageStack.peek();
arrParent.addElement(newElt);
messageStack.push(newElt);
return Observable.<Navajo>empty();
case ARRAY_ELEMENT:
tagStack.pop();
Message elementParent = messageStack.pop();
Msg msgElement = (Msg) n.body();
List<Prop> elementProps = msgElement.properties();
for (Prop e : elementProps) {
elementParent.addProperty(createTmlProperty(e));
}
for (Entry<String, Binary> e : pushBinaries.entrySet()) {
elementParent.addProperty(createBinaryProperty(e.getKey(), e.getValue()));
}
pushBinaries.clear();
return Observable.<Navajo>empty();
case MESSAGE_DEFINITION_STARTED:
// TODO
return Observable.<Navajo>empty();
case MESSAGE_DEFINITION:
// TODO
// tagStack.push(n.path());
// deferredMessages.get(stripIndex(n.path())).setDefinitionMessage((Message) n.body());
return Observable.<Navajo>empty();
case NAVAJO_DONE:
if (subscriber != null) {
subscriber.onNext(assemble);
}
return Observable.<Navajo>just(assemble);
case BINARY_STARTED:
try {
String name = n.path();
this.currentBinary = new Binary();
this.currentBinary.startPushRead();
this.pushBinaries.put(name, currentBinary);
return Observable.<Navajo>empty();
} catch (IOException e1) {
return Observable.error(e1);
}
case BINARY_CONTENT:
try {
if (this.currentBinary == null) {
// whoops;
}
this.currentBinary.pushContent((String) n.body());
return Observable.<Navajo>empty();
} catch (IOException e1) {
return Observable.error(e1);
}
case BINARY_DONE:
try {
this.currentBinary.finishPushContent();
return Observable.<Navajo>empty();
} catch (IOException e1) {
return Observable.error(e1);
}
default:
return Observable.<Navajo>empty();
}
}
