/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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)));
}
}