/**
* 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.apache.ambari.server.api.services.stackadvisor.commands;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import java.io.File;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.api.services.AmbariMetaInfo;
import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRequest;
import org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRunner;
import org.apache.ambari.server.api.services.stackadvisor.recommendations.RecommendationResponse;
import org.junit.Test;
public class ConfigurationRecommendationCommandTest {
@Test
public void testProcessHostGroups() throws Exception {
StackAdvisorRunner saRunner = mock(StackAdvisorRunner.class);
File file = mock(File.class);
AmbariMetaInfo metaInfo = mock(AmbariMetaInfo.class);
ConfigurationRecommendationCommand command = new ConfigurationRecommendationCommand(file, "1w", "script", 1, saRunner, metaInfo);
StackAdvisorRequest request = mock(StackAdvisorRequest.class);
Map<String, Set<String>> componentHostGroupMap = new HashMap<>();
Set<String> components1 = new HashSet<>();
components1.add("component1");
components1.add("component4");
components1.add("component5");
componentHostGroupMap.put("group1", components1);
Set<String> components2 = new HashSet<>();
components2.add("component2");
components2.add("component3");
componentHostGroupMap.put("group2", components2);
doReturn(componentHostGroupMap).when(request).getHostComponents();
Set<RecommendationResponse.HostGroup> hostGroups = command.processHostGroups(request);
assertNotNull(hostGroups);
assertEquals(2, hostGroups.size());
Map<String, RecommendationResponse.HostGroup> hostGroupMap =
new HashMap<>();
for (RecommendationResponse.HostGroup hostGroup : hostGroups) {
hostGroupMap.put(hostGroup.getName(), hostGroup);
}
RecommendationResponse.HostGroup hostGroup1 = hostGroupMap.get("group1");
assertNotNull(hostGroup1);
Set<Map<String, String>> host1Components = hostGroup1.getComponents();
assertNotNull(host1Components);
assertEquals(3, host1Components.size());
Set<String> componentNames1 = new HashSet<>();
for (Map<String, String> host1Component : host1Components) {
assertNotNull(host1Component);
assertEquals(1, host1Component.size());
String componentName = host1Component.get("name");
assertNotNull(componentName);
componentNames1.add(componentName);
}
assertEquals(3, componentNames1.size());
assertTrue(componentNames1.contains("component1"));
assertTrue(componentNames1.contains("component4"));
assertTrue(componentNames1.contains("component5"));
RecommendationResponse.HostGroup hostGroup2 = hostGroupMap.get("group2");
assertNotNull(hostGroup2);
Set<Map<String, String>> host2Components = hostGroup2.getComponents();
assertNotNull(host2Components);
assertEquals(2, host2Components.size());
Set<String> componentNames2 = new HashSet<>();
for (Map<String, String> host2Component : host2Components) {
assertNotNull(host2Component);
assertEquals(1, host2Component.size());
String componentName = host2Component.get("name");
assertNotNull(componentName);
componentNames2.add(componentName);
}
assertEquals(2, componentNames2.size());
assertTrue(componentNames2.contains("component2"));
assertTrue(componentNames2.contains("component3"));
}
}