/*
* Copyright (c) 2011-2016 Pivotal Software Inc, All Rights Reserved.
*
* 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 reactor.core.publisher;
import org.junit.Test;
import reactor.test.subscriber.AssertSubscriber;
public class MonoDefaultIfEmptyTest {
@Test(expected = NullPointerException.class)
public void sourceNull() {
new MonoDefaultIfEmpty<>(null, 1);
}
@Test(expected = NullPointerException.class)
public void valueNull() {
Mono.never().defaultIfEmpty(null);
}
@Test
public void nonEmpty() {
AssertSubscriber<Integer> ts = AssertSubscriber.create();
Mono.just(1).defaultIfEmpty(10).subscribe(ts);
ts.assertValues(1)
.assertComplete()
.assertNoError();
}
@Test
public void nonEmptyHide() {
AssertSubscriber<Integer> ts = AssertSubscriber.create();
Mono.just(1).hide().defaultIfEmpty(10).subscribe(ts);
ts.assertValues(1)
.assertComplete()
.assertNoError();
}
@Test
public void nonEmptyHideBackpressured() {
AssertSubscriber<Integer> ts = AssertSubscriber.create(0);
Mono.just(1).hide().defaultIfEmpty(10).subscribe(ts);
ts.assertNoValues()
.assertNoError()
.assertNotComplete();
ts.request(2);
ts.assertValues(1)
.assertComplete()
.assertNoError();
}
@Test
public void nonEmptyBackpressured() {
AssertSubscriber<Integer> ts = AssertSubscriber.create(0);
Mono.just(1).defaultIfEmpty(10).subscribe(ts);
ts.assertNoValues()
.assertNoError()
.assertNotComplete();
ts.request(2);
ts.assertValues(1)
.assertComplete()
.assertNoError();
}
@Test
public void empty() {
AssertSubscriber<Integer> ts = AssertSubscriber.create();
Mono.<Integer>empty().defaultIfEmpty(10).subscribe(ts);
ts.assertValues(10)
.assertComplete()
.assertNoError();
}
@Test
public void emptyHide() {
AssertSubscriber<Integer> ts = AssertSubscriber.create();
Mono.<Integer>empty().hide().defaultIfEmpty(10).subscribe(ts);
ts.assertValues(10)
.assertComplete()
.assertNoError();
}
@Test
public void emptyBackpressured() {
AssertSubscriber<Integer> ts = AssertSubscriber.create(0);
Mono.<Integer>empty().defaultIfEmpty(10).subscribe(ts);
ts.assertNoValues()
.assertNoError()
.assertNotComplete();
ts.request(2);
ts.assertValues(10)
.assertComplete()
.assertNoError();
}
@Test
public void emptyBackpressuredHide() {
AssertSubscriber<Integer> ts = AssertSubscriber.create(0);
Mono.<Integer>empty().hide().defaultIfEmpty(10).subscribe(ts);
ts.assertNoValues()
.assertNoError()
.assertNotComplete();
ts.request(2);
ts.assertValues(10)
.assertComplete()
.assertNoError();
}
}