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Example 6 with CompositeException

use of io.reactivex.rxjava3.exceptions.CompositeException in project RxJava by ReactiveX.

the class FlowableSwitchMapCompletableTest method onNextInnerErrorRace.

@Test
public void onNextInnerErrorRace() {
    final TestException ex = new TestException();
    for (int i = 0; i < TestHelper.RACE_LONG_LOOPS; i++) {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final PublishProcessor<Integer> pp = PublishProcessor.create();
            final CompletableSubject cs = CompletableSubject.create();
            TestObserver<Void> to = pp.switchMapCompletable(Functions.justFunction(cs)).test();
            pp.onNext(1);
            Runnable r1 = new Runnable() {

                @Override
                public void run() {
                    pp.onNext(2);
                }
            };
            Runnable r2 = new Runnable() {

                @Override
                public void run() {
                    cs.onError(ex);
                }
            };
            TestHelper.race(r1, r2);
            to.assertError(new Predicate<Throwable>() {

                @Override
                public boolean test(Throwable e) throws Exception {
                    return e instanceof TestException || e instanceof CompositeException;
                }
            });
            if (!errors.isEmpty()) {
                TestHelper.assertUndeliverable(errors, 0, TestException.class);
            }
        } finally {
            RxJavaPlugins.reset();
        }
    }
}
Also used : CompletableSubject(io.reactivex.rxjava3.subjects.CompletableSubject) Test(org.junit.Test)

Example 7 with CompositeException

use of io.reactivex.rxjava3.exceptions.CompositeException in project RxJava by ReactiveX.

the class MaybeSafeSubscribeTest method onErrorCrash.

@Test
public void onErrorCrash() throws Throwable {
    TestHelper.withErrorTracking(errors -> {
        @SuppressWarnings("unchecked") MaybeObserver<Integer> consumer = mock(MaybeObserver.class);
        doThrow(new TestException()).when(consumer).onError(any());
        new Maybe<Integer>() {

            @Override
            protected void subscribeActual(@NonNull MaybeObserver<? super Integer> observer) {
                observer.onSubscribe(Disposable.empty());
                // none of the following should arrive at the consumer
                observer.onError(new IOException());
            }
        }.safeSubscribe(consumer);
        InOrder order = inOrder(consumer);
        order.verify(consumer).onSubscribe(any(Disposable.class));
        order.verify(consumer).onError(any(IOException.class));
        order.verifyNoMoreInteractions();
        TestHelper.assertError(errors, 0, CompositeException.class);
        CompositeException compositeException = (CompositeException) errors.get(0);
        TestHelper.assertError(compositeException.getExceptions(), 0, IOException.class);
        TestHelper.assertError(compositeException.getExceptions(), 1, TestException.class);
    });
}
Also used : Disposable(io.reactivex.rxjava3.disposables.Disposable) InOrder(org.mockito.InOrder) IOException(java.io.IOException) Test(org.junit.Test)

Example 8 with CompositeException

use of io.reactivex.rxjava3.exceptions.CompositeException in project RxJava by ReactiveX.

the class SingleSafeSubscribeTest method onErrorCrash.

@Test
public void onErrorCrash() throws Throwable {
    TestHelper.withErrorTracking(errors -> {
        @SuppressWarnings("unchecked") SingleObserver<Integer> consumer = mock(SingleObserver.class);
        doThrow(new TestException()).when(consumer).onError(any());
        new Single<Integer>() {

            @Override
            protected void subscribeActual(@NonNull SingleObserver<? super Integer> observer) {
                observer.onSubscribe(Disposable.empty());
                // none of the following should arrive at the consumer
                observer.onError(new IOException());
            }
        }.safeSubscribe(consumer);
        InOrder order = inOrder(consumer);
        order.verify(consumer).onSubscribe(any(Disposable.class));
        order.verify(consumer).onError(any(IOException.class));
        order.verifyNoMoreInteractions();
        TestHelper.assertError(errors, 0, CompositeException.class);
        CompositeException compositeException = (CompositeException) errors.get(0);
        TestHelper.assertError(compositeException.getExceptions(), 0, IOException.class);
        TestHelper.assertError(compositeException.getExceptions(), 1, TestException.class);
    });
}
Also used : Disposable(io.reactivex.rxjava3.disposables.Disposable) InOrder(org.mockito.InOrder) IOException(java.io.IOException) Test(org.junit.Test)

Example 9 with CompositeException

use of io.reactivex.rxjava3.exceptions.CompositeException in project RxJava by ReactiveX.

the class BaseTestConsumer method fail.

/**
 * Fail with the given message and add the sequence of errors as suppressed ones.
 * <p>Note this is deliberately the only fail method. Most of the times an assertion
 * would fail but it is possible it was due to an exception somewhere. This construct
 * will capture those potential errors and report it along with the original failure.
 *
 * @param message the message to use
 * @return AssertionError the prepared AssertionError instance
 */
@NonNull
protected final AssertionError fail(@NonNull String message) {
    StringBuilder b = new StringBuilder(64 + message.length());
    b.append(message);
    b.append(" (").append("latch = ").append(done.getCount()).append(", ").append("values = ").append(values.size()).append(", ").append("errors = ").append(errors.size()).append(", ").append("completions = ").append(completions);
    if (timeout) {
        b.append(", timeout!");
    }
    if (isDisposed()) {
        b.append(", disposed!");
    }
    CharSequence tag = this.tag;
    if (tag != null) {
        b.append(", tag = ").append(tag);
    }
    b.append(')');
    AssertionError ae = new AssertionError(b.toString());
    if (!errors.isEmpty()) {
        if (errors.size() == 1) {
            ae.initCause(errors.get(0));
        } else {
            CompositeException ce = new CompositeException(errors);
            ae.initCause(ce);
        }
    }
    return ae;
}
Also used : CompositeException(io.reactivex.rxjava3.exceptions.CompositeException)

Example 10 with CompositeException

use of io.reactivex.rxjava3.exceptions.CompositeException in project RxJava by ReactiveX.

the class ExceptionHelper method flatten.

/**
 * Returns a flattened list of Throwables from tree-like CompositeException chain.
 * @param t the starting throwable
 * @return the list of Throwables flattened in a depth-first manner
 */
public static List<Throwable> flatten(Throwable t) {
    List<Throwable> list = new ArrayList<>();
    ArrayDeque<Throwable> deque = new ArrayDeque<>();
    deque.offer(t);
    while (!deque.isEmpty()) {
        Throwable e = deque.removeFirst();
        if (e instanceof CompositeException) {
            CompositeException ce = (CompositeException) e;
            List<Throwable> exceptions = ce.getExceptions();
            for (int i = exceptions.size() - 1; i >= 0; i--) {
                deque.offerFirst(exceptions.get(i));
            }
        } else {
            list.add(e);
        }
    }
    return list;
}
Also used : CompositeException(io.reactivex.rxjava3.exceptions.CompositeException)

Aggregations

Test (org.junit.Test)8 CompositeException (io.reactivex.rxjava3.exceptions.CompositeException)4 Disposable (io.reactivex.rxjava3.disposables.Disposable)3 CompletableSubject (io.reactivex.rxjava3.subjects.CompletableSubject)3 IOException (java.io.IOException)3 InOrder (org.mockito.InOrder)3 AtomicInteger (java.util.concurrent.atomic.AtomicInteger)2 RxJavaTest (io.reactivex.rxjava3.core.RxJavaTest)1 AtomicThrowable (io.reactivex.rxjava3.internal.util.AtomicThrowable)1