/**
* 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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.Test;
import rx.functions.Action0;
import rx.functions.Action1;
public class ObservableDoOnTest {
@Test
public void testDoOnEach() {
final AtomicReference<String> r = new AtomicReference<String>();
String output = Observable.just("one").doOnNext(new Action1<String>() {
@Override
public void call(String v) {
r.set(v);
}
}).toBlocking().single();
assertEquals("one", output);
assertEquals("one", r.get());
}
@Test
public void testDoOnError() {
final AtomicReference<Throwable> r = new AtomicReference<Throwable>();
Throwable t = null;
try {
Observable.<String> error(new RuntimeException("an error")).doOnError(new Action1<Throwable>() {
@Override
public void call(Throwable v) {
r.set(v);
}
}).toBlocking().single();
fail("expected exception, not a return value");
} catch (Throwable e) {
t = e;
}
assertNotNull(t);
assertEquals(t, r.get());
}
@Test
public void testDoOnCompleted() {
final AtomicBoolean r = new AtomicBoolean();
String output = Observable.just("one").doOnCompleted(new Action0() {
@Override
public void call() {
r.set(true);
}
}).toBlocking().single();
assertEquals("one", output);
assertTrue(r.get());
}
}