/**
* 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 static org.junit.Assert.*;
import java.util.*;
import org.junit.Test;
import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.TestHelper;
import io.reactivex.disposables.Disposable;
import io.reactivex.exceptions.TestException;
import io.reactivex.functions.*;
import io.reactivex.internal.functions.Functions;
import io.reactivex.internal.fuseable.QueueDisposable;
import io.reactivex.observers.*;
import io.reactivex.plugins.RxJavaPlugins;
import io.reactivex.subjects.UnicastSubject;
public class ObservableDoFinallyTest implements Action {
int calls;
@Override
public void run() throws Exception {
calls++;
}
@Test
public void normalJust() {
Observable.just(1)
.doFinally(this)
.test()
.assertResult(1);
assertEquals(1, calls);
}
@Test
public void normalEmpty() {
Observable.empty()
.doFinally(this)
.test()
.assertResult();
assertEquals(1, calls);
}
@Test
public void normalError() {
Observable.error(new TestException())
.doFinally(this)
.test()
.assertFailure(TestException.class);
assertEquals(1, calls);
}
@Test
public void normalTake() {
Observable.range(1, 10)
.doFinally(this)
.take(5)
.test()
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void doubleOnSubscribe() {
TestHelper.checkDoubleOnSubscribeObservable(new Function<Observable<Object>, Observable<Object>>() {
@Override
public Observable<Object> apply(Observable<Object> f) throws Exception {
return f.doFinally(ObservableDoFinallyTest.this);
}
});
TestHelper.checkDoubleOnSubscribeObservable(new Function<Observable<Object>, Observable<Object>>() {
@Override
public Observable<Object> apply(Observable<Object> f) throws Exception {
return f.doFinally(ObservableDoFinallyTest.this).filter(Functions.alwaysTrue());
}
});
}
@Test
public void syncFused() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.SYNC);
Observable.range(1, 5)
.doFinally(this)
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.SYNC)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void syncFusedBoundary() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.SYNC | QueueDisposable.BOUNDARY);
Observable.range(1, 5)
.doFinally(this)
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.NONE)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void asyncFused() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.ASYNC);
UnicastSubject<Integer> up = UnicastSubject.create();
TestHelper.emit(up, 1, 2, 3, 4, 5);
up
.doFinally(this)
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.ASYNC)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void asyncFusedBoundary() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.ASYNC | QueueDisposable.BOUNDARY);
UnicastSubject<Integer> up = UnicastSubject.create();
TestHelper.emit(up, 1, 2, 3, 4, 5);
up
.doFinally(this)
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.NONE)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void normalJustConditional() {
Observable.just(1)
.doFinally(this)
.filter(Functions.alwaysTrue())
.test()
.assertResult(1);
assertEquals(1, calls);
}
@Test
public void normalEmptyConditional() {
Observable.empty()
.doFinally(this)
.filter(Functions.alwaysTrue())
.test()
.assertResult();
assertEquals(1, calls);
}
@Test
public void normalErrorConditional() {
Observable.error(new TestException())
.doFinally(this)
.filter(Functions.alwaysTrue())
.test()
.assertFailure(TestException.class);
assertEquals(1, calls);
}
@Test
public void normalTakeConditional() {
Observable.range(1, 10)
.doFinally(this)
.filter(Functions.alwaysTrue())
.take(5)
.test()
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void syncFusedConditional() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.SYNC);
Observable.range(1, 5)
.doFinally(this)
.filter(Functions.alwaysTrue())
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.SYNC)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void nonFused() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.SYNC);
Observable.range(1, 5).hide()
.doFinally(this)
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.NONE)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void nonFusedConditional() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.SYNC);
Observable.range(1, 5).hide()
.doFinally(this)
.filter(Functions.alwaysTrue())
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.NONE)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void syncFusedBoundaryConditional() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.SYNC | QueueDisposable.BOUNDARY);
Observable.range(1, 5)
.doFinally(this)
.filter(Functions.alwaysTrue())
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.NONE)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void asyncFusedConditional() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.ASYNC);
UnicastSubject<Integer> up = UnicastSubject.create();
TestHelper.emit(up, 1, 2, 3, 4, 5);
up
.doFinally(this)
.filter(Functions.alwaysTrue())
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.ASYNC)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test
public void asyncFusedBoundaryConditional() {
TestObserver<Integer> ts = ObserverFusion.newTest(QueueDisposable.ASYNC | QueueDisposable.BOUNDARY);
UnicastSubject<Integer> up = UnicastSubject.create();
TestHelper.emit(up, 1, 2, 3, 4, 5);
up
.doFinally(this)
.filter(Functions.alwaysTrue())
.subscribe(ts);
ObserverFusion.assertFusion(ts, QueueDisposable.NONE)
.assertResult(1, 2, 3, 4, 5);
assertEquals(1, calls);
}
@Test(expected = NullPointerException.class)
public void nullAction() {
Observable.just(1).doFinally(null);
}
@Test
public void actionThrows() {
List<Throwable> errors = TestHelper.trackPluginErrors();
try {
Observable.just(1)
.doFinally(new Action() {
@Override
public void run() throws Exception {
throw new TestException();
}
})
.test()
.assertResult(1)
.cancel();
TestHelper.assertUndeliverable(errors, 0, TestException.class);
} finally {
RxJavaPlugins.reset();
}
}
@Test
public void actionThrowsConditional() {
List<Throwable> errors = TestHelper.trackPluginErrors();
try {
Observable.just(1)
.doFinally(new Action() {
@Override
public void run() throws Exception {
throw new TestException();
}
})
.filter(Functions.alwaysTrue())
.test()
.assertResult(1)
.cancel();
TestHelper.assertUndeliverable(errors, 0, TestException.class);
} finally {
RxJavaPlugins.reset();
}
}
@Test
public void clearIsEmpty() {
Observable.range(1, 5)
.doFinally(this)
.subscribe(new Observer<Integer>() {
@Override
public void onSubscribe(Disposable s) {
@SuppressWarnings("unchecked")
QueueDisposable<Integer> qs = (QueueDisposable<Integer>)s;
qs.requestFusion(QueueDisposable.ANY);
assertFalse(qs.isEmpty());
try {
assertEquals(1, qs.poll().intValue());
} catch (Throwable ex) {
throw new RuntimeException(ex);
}
assertFalse(qs.isEmpty());
qs.clear();
assertTrue(qs.isEmpty());
qs.dispose();
}
@Override
public void onNext(Integer t) {
}
@Override
public void onError(Throwable t) {
}
@Override
public void onComplete() {
}
});
assertEquals(1, calls);
}
@Test
public void clearIsEmptyConditional() {
Observable.range(1, 5)
.doFinally(this)
.filter(Functions.alwaysTrue())
.subscribe(new Observer<Integer>() {
@Override
public void onSubscribe(Disposable s) {
@SuppressWarnings("unchecked")
QueueDisposable<Integer> qs = (QueueDisposable<Integer>)s;
qs.requestFusion(QueueDisposable.ANY);
assertFalse(qs.isEmpty());
assertFalse(qs.isDisposed());
try {
assertEquals(1, qs.poll().intValue());
} catch (Throwable ex) {
throw new RuntimeException(ex);
}
assertFalse(qs.isEmpty());
qs.clear();
assertTrue(qs.isEmpty());
qs.dispose();
assertTrue(qs.isDisposed());
}
@Override
public void onNext(Integer t) {
}
@Override
public void onError(Throwable t) {
}
@Override
public void onComplete() {
}
});
assertEquals(1, calls);
}
@Test
public void eventOrdering() {
final List<String> list = new ArrayList<String>();
Observable.error(new TestException())
.doOnDispose(new Action() {
@Override
public void run() throws Exception {
list.add("dispose");
}
})
.doFinally(new Action() {
@Override
public void run() throws Exception {
list.add("finally");
}
})
.subscribe(
new Consumer<Object>() {
@Override
public void accept(Object v) throws Exception {
list.add("onNext");
}
},
new Consumer<Throwable>() {
@Override
public void accept(Throwable e) throws Exception {
list.add("onError");
}
},
new Action() {
@Override
public void run() throws Exception {
list.add("onComplete");
}
});
assertEquals(Arrays.asList("onError", "finally"), list);
}
@Test
public void eventOrdering2() {
final List<String> list = new ArrayList<String>();
Observable.just(1)
.doOnDispose(new Action() {
@Override
public void run() throws Exception {
list.add("dispose");
}
})
.doFinally(new Action() {
@Override
public void run() throws Exception {
list.add("finally");
}
})
.subscribe(
new Consumer<Object>() {
@Override
public void accept(Object v) throws Exception {
list.add("onNext");
}
},
new Consumer<Throwable>() {
@Override
public void accept(Throwable e) throws Exception {
list.add("onError");
}
},
new Action() {
@Override
public void run() throws Exception {
list.add("onComplete");
}
});
assertEquals(Arrays.asList("onNext", "onComplete", "finally"), list);
}
}