/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx.internal.operators;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import rx.Observable;
import rx.Observer;
import rx.functions.Func2;
import rx.subjects.PublishSubject;
/**
* Systematically tests that when zipping an infinite and a finite Observable,
* the resulting Observable is finite.
*
*/
public class OperatorZipCompletionTest {
Func2<String, String, String> concat2Strings;
PublishSubject<String> s1;
PublishSubject<String> s2;
Observable<String> zipped;
Observer<String> observer;
InOrder inOrder;
@Before
@SuppressWarnings("unchecked")
public void setUp() {
concat2Strings = new Func2<String, String, String>() {
@Override
public String call(String t1, String t2) {
return t1 + "-" + t2;
}
};
s1 = PublishSubject.create();
s2 = PublishSubject.create();
zipped = Observable.zip(s1, s2, concat2Strings);
observer = mock(Observer.class);
inOrder = inOrder(observer);
zipped.subscribe(observer);
}
@Test
public void testFirstCompletesThenSecondInfinite() {
s1.onNext("a");
s1.onNext("b");
s1.onCompleted();
s2.onNext("1");
inOrder.verify(observer, times(1)).onNext("a-1");
s2.onNext("2");
inOrder.verify(observer, times(1)).onNext("b-2");
inOrder.verify(observer, times(1)).onCompleted();
inOrder.verifyNoMoreInteractions();
}
@Test
public void testSecondInfiniteThenFirstCompletes() {
s2.onNext("1");
s2.onNext("2");
s1.onNext("a");
inOrder.verify(observer, times(1)).onNext("a-1");
s1.onNext("b");
inOrder.verify(observer, times(1)).onNext("b-2");
s1.onCompleted();
inOrder.verify(observer, times(1)).onCompleted();
inOrder.verifyNoMoreInteractions();
}
@Test
public void testSecondCompletesThenFirstInfinite() {
s2.onNext("1");
s2.onNext("2");
s2.onCompleted();
s1.onNext("a");
inOrder.verify(observer, times(1)).onNext("a-1");
s1.onNext("b");
inOrder.verify(observer, times(1)).onNext("b-2");
inOrder.verify(observer, times(1)).onCompleted();
inOrder.verifyNoMoreInteractions();
}
@Test
public void testFirstInfiniteThenSecondCompletes() {
s1.onNext("a");
s1.onNext("b");
s2.onNext("1");
inOrder.verify(observer, times(1)).onNext("a-1");
s2.onNext("2");
inOrder.verify(observer, times(1)).onNext("b-2");
s2.onCompleted();
inOrder.verify(observer, times(1)).onCompleted();
inOrder.verifyNoMoreInteractions();
}
}