Java Code Examples for io.reactivex.rxjava3.subscribers.TestSubscriber#assertValues()

@Test public void initialValueToNewSubscriberAfterUnsubscribe() {
  PublishProcessor<String> subject = PublishProcessor.create();
  Flowable<String> flowable = subject.compose(ReplayingShare.<String>instance());

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  flowable.subscribe(subscriber1);
  subscriber1.assertNoValues();

  subject.onNext("Foo");
  subscriber1.assertValues("Foo");
  subscriber1.cancel();

  TestSubscriber<String> subscriber2 = new TestSubscriber<>();
  flowable.subscribe(subscriber2);
  subscriber2.assertValues("Foo");
}
 

@Test public void backpressureHonoredWhenCached() {
  PublishProcessor<String> subject = PublishProcessor.create();
  Flowable<String> flowable = subject.compose(ReplayingShare.<String>instance());

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  flowable.subscribe(subscriber1);
  subscriber1.assertNoValues();

  subject.onNext("Foo");
  subscriber1.assertValues("Foo");

  TestSubscriber<String> subscriber2 = new TestSubscriber<>(0);
  flowable.subscribe(subscriber2);
  subscriber2.assertNoValues();

  subject.onNext("Bar"); // Replace the cached value...
  subscriber2.request(1); // ...and ensure new requests see it.
  subscriber2.assertValues("Bar");
}
 

@Test public void streamsDoNotShareInstances() {
  PublishProcessor<String> subjectA = PublishProcessor.create();
  Flowable<String> flowableA = subjectA.compose(ReplayingShare.<String>instance());
  TestSubscriber<String> subscriberA1 = new TestSubscriber<>();
  flowableA.subscribe(subscriberA1);

  PublishProcessor<String> subjectB = PublishProcessor.create();
  Flowable<String> flowableB = subjectB.compose(ReplayingShare.<String>instance());
  TestSubscriber<String> subscriberB1 = new TestSubscriber<>();
  flowableB.subscribe(subscriberB1);

  subjectA.onNext("Foo");
  subscriberA1.assertValues("Foo");
  subjectB.onNext("Bar");
  subscriberB1.assertValues("Bar");

  TestSubscriber<String> subscriberA2 = new TestSubscriber<>();
  flowableA.subscribe(subscriberA2);
  subscriberA2.assertValues("Foo");

  TestSubscriber<String> subscriberB2 = new TestSubscriber<>();
  flowableB.subscribe(subscriberB2);
  subscriberB2.assertValues("Bar");
}
 

@Test public void completeClearsCacheAndResubscribes() {
  List<String> start = new ArrayList<>();
  start.add("initA");

  PublishProcessor<String> upstream = PublishProcessor.create();
  Flowable<String> replayed = upstream.startWithIterable(start).compose(ReplayingShare.<String>instance());

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  replayed.subscribe(subscriber1);
  subscriber1.assertValues("initA");

  TestSubscriber<String> observer2 = new TestSubscriber<>();
  replayed.subscribe(observer2);
  subscriber1.assertValues("initA");

  upstream.onComplete();
  subscriber1.assertComplete();
  observer2.assertComplete();

  start.set(0, "initB");

  TestSubscriber<String> observer3 = new TestSubscriber<>();
  replayed.subscribe(observer3);
  observer3.assertValues("initB");
}
 

@Test public void errorClearsCacheAndResubscribes() {
  List<String> start = new ArrayList<>();
  start.add("initA");

  PublishProcessor<String> upstream = PublishProcessor.create();
  Flowable<String> replayed = upstream.startWithIterable(start).compose(ReplayingShare.<String>instance());

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  replayed.subscribe(subscriber1);
  subscriber1.assertValues("initA");

  TestSubscriber<String> observer2 = new TestSubscriber<>();
  replayed.subscribe(observer2);
  subscriber1.assertValues("initA");

  RuntimeException r = new RuntimeException();
  upstream.onError(r);
  subscriber1.assertError(r);
  observer2.assertError(r);

  start.set(0, "initB");

  TestSubscriber<String> observer3 = new TestSubscriber<>();
  replayed.subscribe(observer3);
  observer3.assertValues("initB");
}
 

@Test public void completeClearsCacheAndResubscribesStartingWithDefault() {
  List<String> start = new ArrayList<>();
  start.add("initA");

  PublishProcessor<String> upstream = PublishProcessor.create();
  Flowable<String> replayed =
      upstream.startWithIterable(start).compose(ReplayingShare.createWithDefault("default"));

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  replayed.subscribe(subscriber1);
  subscriber1.assertValues("default", "initA");

  TestSubscriber<String> observer2 = new TestSubscriber<>();
  replayed.subscribe(observer2);
  subscriber1.assertValues("default", "initA");

  upstream.onComplete();
  subscriber1.assertComplete();
  observer2.assertComplete();

  start.set(0, "initB");

  TestSubscriber<String> observer3 = new TestSubscriber<>();
  replayed.subscribe(observer3);
  observer3.assertValues("default", "initB");
}
 

@Test
public void twoEvents() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bindUntilEvent(lifecycle, "stop"))
        .test();

    stream.onNext("1");
    lifecycle.onNext("keep going");
    stream.onNext("2");
    lifecycle.onNext("stop");
    stream.onNext("3");

    testSubscriber.assertValues("1", "2");
    testSubscriber.assertComplete();
}
 

@Test public void initialValueToNewSubscriber() {
  PublishProcessor<String> subject = PublishProcessor.create();
  Flowable<String> flowable = subject.compose(ReplayingShare.<String>instance());

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  flowable.subscribe(subscriber1);
  subscriber1.assertNoValues();

  subject.onNext("Foo");
  subscriber1.assertValues("Foo");

  TestSubscriber<String> subscriber2 = new TestSubscriber<>();
  flowable.subscribe(subscriber2);
  subscriber2.assertValues("Foo");
}
 

@Test
public void oneWrongEvent() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bindUntilEvent(lifecycle, "stop"))
        .test();

    stream.onNext("1");
    lifecycle.onNext("keep going");
    stream.onNext("2");

    testSubscriber.assertValues("1", "2");
    testSubscriber.assertNotComplete();
}
 

@Test
public void noEvents() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bindUntilEvent(lifecycle, "stop"))
        .test();

    stream.onNext("1");
    stream.onNext("2");
    testSubscriber.assertValues("1", "2");
    testSubscriber.assertNotComplete();
}
 

@Test
public void oneEvent() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bind(lifecycle))
        .test();

    stream.onNext("1");
    lifecycle.onNext("stop");
    stream.onNext("2");

    testSubscriber.assertValues("1");
    testSubscriber.assertComplete();
}
 

@Test
public void noEvent() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bind(lifecycle))
        .test();

    stream.onNext("1");
    stream.onNext("2");
    testSubscriber.assertValues("1", "2");
    testSubscriber.assertNotComplete();
}
 

@Test
public void openAndCloseEvent() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bind(lifecycle, CORRESPONDING_EVENTS))
        .test();

    lifecycle.onNext("create");
    stream.onNext("1");
    lifecycle.onNext("destroy");
    stream.onNext("2");

    testSubscriber.assertValues("1");
    testSubscriber.assertComplete();
}
 

@Test
public void twoOpenEvents() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bind(lifecycle, CORRESPONDING_EVENTS))
        .test();

    lifecycle.onNext("create");
    stream.onNext("1");
    lifecycle.onNext("start");
    stream.onNext("2");

    testSubscriber.assertValues("1", "2");
    testSubscriber.assertNotComplete();
}
 

@Test
public void oneStartEvent() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bind(lifecycle, CORRESPONDING_EVENTS))
        .test();

    lifecycle.onNext("create");
    stream.onNext("1");
    stream.onNext("2");

    testSubscriber.assertValues("1", "2");
    testSubscriber.assertNotComplete();
}
 

@Test
public void noEvents() {
    TestSubscriber<String> testSubscriber = stream
        .compose(RxLifecycle.<String, String>bind(lifecycle, CORRESPONDING_EVENTS))
        .test();

    stream.onNext("1");
    stream.onNext("2");
    testSubscriber.assertValues("1", "2");
    testSubscriber.assertNotComplete();
}
 

@Test public void errorClearsCacheAndResubscribesStartingWithDefault() {
  List<String> start = new ArrayList<>();
  start.add("initA");

  PublishProcessor<String> upstream = PublishProcessor.create();
  Flowable<String> replayed =
      upstream.startWithIterable(start).compose(ReplayingShare.createWithDefault("default"));

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  replayed.subscribe(subscriber1);
  subscriber1.assertValues("default", "initA");

  TestSubscriber<String> observer2 = new TestSubscriber<>();
  replayed.subscribe(observer2);
  subscriber1.assertValues("default", "initA");

  RuntimeException r = new RuntimeException();
  upstream.onError(r);
  subscriber1.assertError(r);
  observer2.assertError(r);

  start.set(0, "initB");

  TestSubscriber<String> observer3 = new TestSubscriber<>();
  replayed.subscribe(observer3);
  observer3.assertValues("default", "initB");
}
 

@Test public void defaultValueIsOverriddenByLatestEmissionForNewSubscriber() {
  PublishProcessor<String> subject = PublishProcessor.create();
  Flowable<String> flowable = subject.compose(ReplayingShare.createWithDefault("default"));

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  flowable.subscribe(subscriber1);
  subscriber1.assertValues("default");

  subject.onNext("Foo");
  subscriber1.assertValues("default", "Foo");

  TestSubscriber<String> observer2 = new TestSubscriber<>();
  flowable.subscribe(observer2);
  observer2.assertValues("Foo");
}
 

@Test public void defaultValueOnSubscribe() {
  PublishProcessor<String> subject = PublishProcessor.create();
  Flowable<String> flowable = subject.compose(ReplayingShare.createWithDefault("default"));

  TestSubscriber<String> subscriber1 = new TestSubscriber<>();
  flowable.subscribe(subscriber1);
  subscriber1.assertValues("default");

  subject.onNext("Foo");
  subscriber1.assertValues("default", "Foo");
}