/*
* Copyright 2014 The Netty Project
*
* The Netty Project licenses this file to you 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.netty.util.concurrent;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
public class PromiseAggregatorTest {
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Test
public void testNullAggregatePromise() {
expectedException.expect(NullPointerException.class);
new PromiseAggregator<Void, Future<Void>>(null);
}
@Test
public void testAddNullFuture() {
@SuppressWarnings("unchecked")
Promise<Void> p = mock(Promise.class);
PromiseAggregator<Void, Future<Void>> a =
new PromiseAggregator<Void, Future<Void>>(p);
expectedException.expect(NullPointerException.class);
a.add((Promise<Void>[]) null);
}
@SuppressWarnings("unchecked")
@Test
public void testSuccessfulNoPending() throws Exception {
Promise<Void> p = mock(Promise.class);
PromiseAggregator<Void, Future<Void>> a =
new PromiseAggregator<Void, Future<Void>>(p);
Future<Void> future = mock(Future.class);
when(p.setSuccess(null)).thenReturn(p);
a.add();
a.operationComplete(future);
verifyNoMoreInteractions(future);
verify(p).setSuccess(null);
}
@SuppressWarnings("unchecked")
@Test
public void testSuccessfulPending() throws Exception {
Promise<Void> p = mock(Promise.class);
PromiseAggregator<Void, Future<Void>> a =
new PromiseAggregator<Void, Future<Void>>(p);
Promise<Void> p1 = mock(Promise.class);
Promise<Void> p2 = mock(Promise.class);
when(p1.addListener(a)).thenReturn(p1);
when(p2.addListener(a)).thenReturn(p2);
when(p1.isSuccess()).thenReturn(true);
when(p2.isSuccess()).thenReturn(true);
when(p.setSuccess(null)).thenReturn(p);
assertThat(a.add(p1, null, p2), is(a));
a.operationComplete(p1);
a.operationComplete(p2);
verify(p1).addListener(a);
verify(p2).addListener(a);
verify(p1).isSuccess();
verify(p2).isSuccess();
verify(p).setSuccess(null);
}
@SuppressWarnings("unchecked")
@Test
public void testFailedFutureFailPending() throws Exception {
Promise<Void> p = mock(Promise.class);
PromiseAggregator<Void, Future<Void>> a =
new PromiseAggregator<Void, Future<Void>>(p);
Promise<Void> p1 = mock(Promise.class);
Promise<Void> p2 = mock(Promise.class);
Throwable t = mock(Throwable.class);
when(p1.addListener(a)).thenReturn(p1);
when(p2.addListener(a)).thenReturn(p2);
when(p1.isSuccess()).thenReturn(false);
when(p1.cause()).thenReturn(t);
when(p.setFailure(t)).thenReturn(p);
when(p2.setFailure(t)).thenReturn(p2);
a.add(p1, p2);
a.operationComplete(p1);
verify(p1).addListener(a);
verify(p2).addListener(a);
verify(p1).cause();
verify(p).setFailure(t);
verify(p2).setFailure(t);
}
@SuppressWarnings("unchecked")
@Test
public void testFailedFutureNoFailPending() throws Exception {
Promise<Void> p = mock(Promise.class);
PromiseAggregator<Void, Future<Void>> a =
new PromiseAggregator<Void, Future<Void>>(p, false);
Promise<Void> p1 = mock(Promise.class);
Promise<Void> p2 = mock(Promise.class);
Throwable t = mock(Throwable.class);
when(p1.addListener(a)).thenReturn(p1);
when(p2.addListener(a)).thenReturn(p2);
when(p1.isSuccess()).thenReturn(false);
when(p1.cause()).thenReturn(t);
when(p.setFailure(t)).thenReturn(p);
a.add(p1, p2);
a.operationComplete(p1);
verify(p1).addListener(a);
verify(p2).addListener(a);
verify(p1).isSuccess();
verify(p1).cause();
verify(p).setFailure(t);
}
}