/**
* Copyright (c) 2016-present, RxJava Contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
* the License for the specific language governing permissions and limitations under the License.
*/
package io.reactivex.internal.operators.observable;
import java.util.List;
import java.util.concurrent.Callable;
import org.junit.Test;
import io.reactivex.*;
import io.reactivex.disposables.Disposables;
import io.reactivex.exceptions.TestException;
import io.reactivex.functions.Function;
import io.reactivex.observers.TestObserver;
import io.reactivex.plugins.RxJavaPlugins;
import io.reactivex.schedulers.Schedulers;
import io.reactivex.subjects.*;
public class ObservableConcatMapTest {
@Test
public void asyncFused() {
UnicastSubject<Integer> us = UnicastSubject.create();
TestObserver<Integer> to = us.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test();
us.onNext(1);
us.onComplete();
to.assertResult(1, 2);
}
@Test
public void dispose() {
TestHelper.checkDisposed(Observable.<Integer>just(1).hide()
.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.error(new TestException());
}
}));
}
@Test
public void dispose2() {
TestHelper.checkDisposed(Observable.<Integer>just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.error(new TestException());
}
}));
}
@Test
public void mainError() {
Observable.<Integer>error(new TestException())
.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void innerError() {
Observable.<Integer>just(1).hide()
.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.error(new TestException());
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void mainErrorDelayed() {
Observable.<Integer>error(new TestException())
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void innerErrorDelayError() {
Observable.<Integer>just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.error(new TestException());
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void innerErrorDelayError2() {
Observable.<Integer>just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.fromCallable(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
throw new TestException();
}
});
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void badSource() {
List<Throwable> errors = TestHelper.trackPluginErrors();
try {
new Observable<Integer>() {
@Override
protected void subscribeActual(Observer<? super Integer> observer) {
observer.onSubscribe(Disposables.empty());
observer.onNext(1);
observer.onComplete();
observer.onNext(2);
observer.onError(new TestException());
observer.onComplete();
}
}
.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertResult(1, 2);
TestHelper.assertUndeliverable(errors, 0, TestException.class);
} finally {
RxJavaPlugins.reset();
}
}
@Test
public void badSourceDelayError() {
List<Throwable> errors = TestHelper.trackPluginErrors();
try {
new Observable<Integer>() {
@Override
protected void subscribeActual(Observer<? super Integer> observer) {
observer.onSubscribe(Disposables.empty());
observer.onNext(1);
observer.onComplete();
observer.onNext(2);
observer.onError(new TestException());
observer.onComplete();
}
}
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertResult(1, 2);
TestHelper.assertUndeliverable(errors, 0, TestException.class);
} finally {
RxJavaPlugins.reset();
}
}
@Test
public void normalDelayErrors() {
Observable.just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertResult(1, 2);
}
@Test
public void normalDelayErrorsTillTheEnd() {
Observable.just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
}, 16, true)
.test()
.assertResult(1, 2);
}
@Test
public void onErrorRace() {
for (int i = 0; i < 500; i++) {
List<Throwable> errors = TestHelper.trackPluginErrors();
try {
final PublishSubject<Integer> ps1 = PublishSubject.create();
final PublishSubject<Integer> ps2 = PublishSubject.create();
TestObserver<Integer> to = ps1.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return ps2;
}
}).test();
final TestException ex1 = new TestException();
final TestException ex2 = new TestException();
Runnable r1 = new Runnable() {
@Override
public void run() {
ps1.onError(ex1);
}
};
Runnable r2 = new Runnable() {
@Override
public void run() {
ps2.onError(ex2);
}
};
TestHelper.race(r1, r2, Schedulers.single());
to.assertFailure(TestException.class);
if (!errors.isEmpty()) {
TestHelper.assertError(errors, 0, TestException.class);
}
} finally {
RxJavaPlugins.reset();
}
}
}
@Test
public void mapperThrows() {
Observable.just(1).hide()
.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
throw new TestException();
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void fusedPollThrows() {
Observable.just(1)
.map(new Function<Integer, Integer>() {
@Override
public Integer apply(Integer v) throws Exception {
throw new TestException();
}
})
.concatMap(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void fusedPollThrowsDelayError() {
Observable.just(1)
.map(new Function<Integer, Integer>() {
@Override
public Integer apply(Integer v) throws Exception {
throw new TestException();
}
})
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return Observable.range(v, 2);
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void mapperThrowsDelayError() {
Observable.just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
throw new TestException();
}
})
.test()
.assertFailure(TestException.class);
}
@Test
public void badInnerDelayError() {
@SuppressWarnings("rawtypes")
final Observer[] o = { null };
List<Throwable> errors = TestHelper.trackPluginErrors();
try {
Observable.just(1).hide()
.concatMapDelayError(new Function<Integer, ObservableSource<Integer>>() {
@Override
public ObservableSource<Integer> apply(Integer v) throws Exception {
return new Observable<Integer>() {
@Override
protected void subscribeActual(Observer<? super Integer> observer) {
o[0] = observer;
observer.onSubscribe(Disposables.empty());
observer.onComplete();
}
};
}
})
.test()
.assertResult();
o[0].onError(new TestException());
TestHelper.assertUndeliverable(errors, 0, TestException.class);
} finally {
RxJavaPlugins.reset();
}
}
}