/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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 org.jclouds.sqs;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import org.easymock.EasyMock;
import org.jclouds.sqs.domain.Message;
import org.jclouds.sqs.features.MessageApi;
import org.jclouds.sqs.options.ReceiveMessageOptions;
import org.testng.Assert;
import org.testng.annotations.Test;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
/**
* Tests behavior of {@code SQS}.
*
* @author Adrian Cole
*/
@Test(testName = "SQSTest", singleThreaded = true)
public class SQSTest {
/**
* Tests {@link SQS#receiveAllAtRate} where a single response returns all
* results.
*/
@Test
public void testSinglePageResult() throws Exception {
MessageApi messageClient = createMock(MessageApi.class);
ReceiveMessageOptions options = new ReceiveMessageOptions();
FluentIterable<Message> aMessage = FluentIterable.from(ImmutableSet.of(createMock(Message.class)));
FluentIterable<Message> noMessages = FluentIterable.from(ImmutableSet.<Message>of());
expect(messageClient.receive(1, options))
.andReturn(aMessage)
.once();
expect(messageClient.receive(1, options))
.andReturn(noMessages)
.once();
EasyMock.replay(messageClient);
Assert.assertEquals(1, Iterables.size(SQS.receiveAllAtRate(messageClient, 1, options)));
}
/**
* Tests {@link SQS#receiveAllAtRate} where retrieving all results requires multiple requests.
*/
@Test
public void testMultiPageResult() throws Exception {
MessageApi messageClient = createMock(MessageApi.class);
ReceiveMessageOptions options = new ReceiveMessageOptions();
FluentIterable<Message> aMessage = FluentIterable.from(ImmutableSet.of(createMock(Message.class)));
FluentIterable<Message> noMessages = FluentIterable.from(ImmutableSet.<Message>of());
expect(messageClient.receive(1, options))
.andReturn(aMessage)
.times(2);
expect(messageClient.receive(1, options))
.andReturn(noMessages)
.once();
EasyMock.replay(messageClient);
Assert.assertEquals(2, Iterables.size(SQS.receiveAllAtRate(messageClient, 1, options)));
}
}