/*
* 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.cloudwatch;
import static org.easymock.EasyMock.anyObject;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import java.util.List;
import java.util.Set;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import org.easymock.EasyMock;
import org.jclouds.cloudwatch.domain.Metric;
import org.jclouds.cloudwatch.domain.MetricDatum;
import org.jclouds.cloudwatch.features.MetricApi;
import org.jclouds.cloudwatch.options.ListMetricsOptions;
import org.jclouds.collect.IterableWithMarker;
import org.jclouds.collect.IterableWithMarkers;
import org.testng.Assert;
import org.testng.annotations.Test;
/**
* Tests behavior of {@code CloudWatch}.
*/
@Test(testName = "CloudWatchTest")
public class CloudWatchTest {
/**
* Tests {@link CloudWatch#listMetrics(CloudWatchApi, String, org.jclouds.cloudwatch.options.ListMetricsOptions)}
* where a single response returns all results.
*
* @throws Exception if anything goes wrong
*/
@Test
public void testSinglePageResult() throws Exception {
CloudWatchApi api = createMock(CloudWatchApi.class);
MetricApi metricApi = createMock(MetricApi.class);
ListMetricsOptions options = new ListMetricsOptions();
IterableWithMarker<Metric> response = IterableWithMarkers.from(ImmutableSet.of(createMock(Metric.class)), null);
expect(api.getMetricApiForRegion(null))
.andReturn(metricApi)
.atLeastOnce();
expect(metricApi.list(options))
.andReturn(response)
.once();
EasyMock.replay(api, metricApi);
Assert.assertEquals(1, Iterables.size(CloudWatch.listMetrics(api, null, options)));
}
/**
* Tests {@link CloudWatch#listMetrics(CloudWatchApi, String, org.jclouds.cloudwatch.options.ListMetricsOptions)}
* where retrieving all results requires multiple requests.
*
* @throws Exception if anything goes wrong
*/
@Test
public void testMultiPageResult() throws Exception {
CloudWatchApi api = createMock(CloudWatchApi.class);
MetricApi metricApi = createMock(MetricApi.class);
ListMetricsOptions options = new ListMetricsOptions();
IterableWithMarker<Metric> response1 = IterableWithMarkers.from(ImmutableSet.of(createMock(Metric.class)), "NEXTTOKEN");
IterableWithMarker<Metric> response2 = IterableWithMarkers.from(ImmutableSet.of(createMock(Metric.class)), null);
// Using EasyMock.eq("") because EasyMock makes it impossible to pass null as a String value here
expect(api.getMetricApiForRegion(EasyMock.eq("")))
.andReturn(metricApi)
.atLeastOnce();
expect(metricApi.list(anyObject(ListMetricsOptions.class)))
.andReturn(response1)
.once();
expect(metricApi.list(anyObject(ListMetricsOptions.class)))
.andReturn(response2)
.once();
EasyMock.replay(api, metricApi);
Assert.assertEquals(2, Iterables.size(CloudWatch.listMetrics(api, "", options)));
}
/**
* Tests {@link CloudWatch#putMetricData(CloudWatchApi, String, Iterable, String)} where the set of metrics is
* greater than 10.
*
* @throws Exception if anything goes wrong
*/
@Test
public void testPutMetricData() throws Exception {
CloudWatchApi api = createMock(CloudWatchApi.class);
MetricApi metricApi = createMock(MetricApi.class);
Set<MetricDatum> metrics = Sets.newLinkedHashSet();
String namespace = "JCLOUDS/Test";
for (int i = 0; i < 11; i++) {
metrics.add(MetricDatum.builder().metricName("foo").build());
}
// Using EasyMock.eq("") because EasyMock makes it impossible to pass null as a String value here
expect(api.getMetricApiForRegion(EasyMock.eq("")))
.andReturn(metricApi)
.atLeastOnce();
for (List<MetricDatum> slice : Iterables.partition(metrics, 10)) {
metricApi.putMetricsInNamespace(slice, namespace);
}
EasyMock.replay(api, metricApi);
CloudWatch.putMetricData(api, "", metrics, namespace);
EasyMock.verify(metricApi);
}
}