/**
* 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.shell.commands;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.singletonMap;
import static org.apache.ambari.shell.support.TableRenderer.renderMultiValueMap;
import static org.apache.ambari.shell.support.TableRenderer.renderSingleMap;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.ambari.groovy.client.AmbariClient;
import org.apache.ambari.groovy.client.InvalidHostGroupHostAssociation;
import org.apache.ambari.shell.completion.Blueprint;
import org.apache.ambari.shell.completion.Host;
import org.apache.ambari.shell.flash.FlashService;
import org.apache.ambari.shell.model.AmbariContext;
import org.apache.ambari.shell.model.Hints;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.springframework.test.util.ReflectionTestUtils;
import groovyx.net.http.HttpResponseException;
@RunWith(MockitoJUnitRunner.class)
public class ClusterCommandsTest {
@InjectMocks
private ClusterCommands clusterCommands;
@Mock
private AmbariClient client;
@Mock
private AmbariContext context;
@Mock
private HttpResponseException responseException;
@Mock
private FlashService flashService;
@Test
public void testIsClusterBuildCommandAvailable() {
when(context.isConnectedToCluster()).thenReturn(false);
when(context.isFocusOnClusterBuild()).thenReturn(false);
when(context.areBlueprintsAvailable()).thenReturn(true);
boolean result = clusterCommands.isClusterBuildCommandAvailable();
assertTrue(result);
}
@Test
public void testIsClusterBuildCommandAvailableAndFocusOnBuild() {
when(context.isConnectedToCluster()).thenReturn(false);
when(context.isFocusOnClusterBuild()).thenReturn(true);
when(context.areBlueprintsAvailable()).thenReturn(true);
boolean result = clusterCommands.isClusterBuildCommandAvailable();
assertFalse(result);
}
@Test
public void testIsClusterBuildCommandAvailableAndNoBlueprints() {
when(context.isConnectedToCluster()).thenReturn(false);
when(context.isFocusOnClusterBuild()).thenReturn(false);
when(context.areBlueprintsAvailable()).thenReturn(false);
boolean result = clusterCommands.isClusterBuildCommandAvailable();
assertFalse(result);
}
@Test
public void testBuildClusterForNonExistingBlueprint() {
when(client.doesBlueprintExist("id")).thenReturn(false);
String result = clusterCommands.buildCluster(new Blueprint("id"));
verify(client).doesBlueprintExist("id");
assertEquals("Not a valid blueprint id", result);
}
@Test
public void testBuildCluster() {
Map<String, String> hostNames = singletonMap("host1", "HEALTHY");
Map<String, List<String>> map = singletonMap("group1", asList("comp1", "comp2"));
when(client.doesBlueprintExist("id")).thenReturn(true);
when(client.getBlueprintMap("id")).thenReturn(map);
when(context.getFocusValue()).thenReturn("id");
when(client.getHostNames()).thenReturn(hostNames);
String result = clusterCommands.buildCluster(new Blueprint("id"));
verify(client).doesBlueprintExist("id");
verify(client).getBlueprintMap("id");
verify(client).getHostGroups("id");
assertEquals(String.format("%s\n%s", renderSingleMap(hostNames, "HOSTNAME", "STATE"),
renderMultiValueMap(map, "HOSTGROUP", "COMPONENT")), result);
}
@Test
public void testAssignForInvalidHostGroup() {
Map<String, List<String>> map = singletonMap("group1", asList("host", "host2"));
ReflectionTestUtils.setField(clusterCommands, "hostGroups", map);
when(client.getHostNames()).thenReturn(singletonMap("host3", "HEALTHY"));
String result = clusterCommands.assign(new Host("host3"), "group0");
assertEquals("group0 is not a valid host group", result);
}
@Test
public void testAssignForValidHostGroup() {
Map<String, List<String>> map = new HashMap<String, List<String>>();
map.put("group1", new ArrayList<String>());
ReflectionTestUtils.setField(clusterCommands, "hostGroups", map);
when(client.getHostNames()).thenReturn(singletonMap("host3", "HEALTHY"));
String result = clusterCommands.assign(new Host("host3"), "group1");
assertEquals("host3 has been added to group1", result);
}
@Test
public void testAssignForInvalidHost() {
Map<String, List<String>> map = new HashMap<String, List<String>>();
map.put("group1", new ArrayList<String>());
ReflectionTestUtils.setField(clusterCommands, "hostGroups", map);
when(client.getHostNames()).thenReturn(singletonMap("host2", "HEALTHY"));
String result = clusterCommands.assign(new Host("host3"), "group1");
assertEquals("host3 is not a valid hostname", result);
}
@Test
public void testCreateClusterForException() throws HttpResponseException {
String blueprint = "blueprint";
Map<String, List<String>> map = singletonMap("group1", asList("host", "host2"));
ReflectionTestUtils.setField(clusterCommands, "hostGroups", map);
when(context.getFocusValue()).thenReturn(blueprint);
doThrow(responseException).when(client).createCluster(blueprint, blueprint, map);
doThrow(responseException).when(client).deleteCluster(blueprint);
String result = clusterCommands.createCluster(false);
verify(client).createCluster(blueprint, blueprint, map);
verify(client).getHostGroups(blueprint);
verify(client).deleteCluster(blueprint);
assertTrue(result.contains("Failed"));
}
@Test
public void testCreateCluster() throws HttpResponseException {
String blueprint = "blueprint";
Map<String, List<String>> map = singletonMap("group1", asList("host", "host2"));
ReflectionTestUtils.setField(clusterCommands, "hostGroups", map);
when(context.getFocusValue()).thenReturn(blueprint);
when(client.getClusterName()).thenReturn("cluster");
String result = clusterCommands.createCluster(false);
verify(client).createCluster(blueprint, blueprint, map);
verify(context).resetFocus();
assertFalse(result.contains("Failed"));
assertTrue(result.contains("Successfully"));
}
@Test
public void testDeleteClusterForException() throws HttpResponseException {
when(context.getCluster()).thenReturn("cluster");
when(responseException.getMessage()).thenReturn("msg");
doThrow(responseException).when(client).deleteCluster("cluster");
String result = clusterCommands.deleteCluster();
verify(client).deleteCluster("cluster");
verify(context).getCluster();
verify(responseException).getMessage();
assertEquals("Could not delete the cluster: msg", result);
}
@Test
public void testDeleteCluster() throws HttpResponseException {
when(context.getCluster()).thenReturn("cluster");
when(responseException.getMessage()).thenReturn("msg");
String result = clusterCommands.deleteCluster();
verify(client).deleteCluster("cluster");
verify(context).getCluster();
assertEquals("Successfully deleted the cluster", result);
}
@Test
public void testIsClusterPreviewCommandAvailable() {
when(context.isFocusOnClusterBuild()).thenReturn(true);
ReflectionTestUtils.setField(clusterCommands, "hostGroups", singletonMap("group1", asList("host1")));
boolean result = clusterCommands.isClusterPreviewCommandAvailable();
assertTrue(result);
}
@Test
public void testIsClusterPreviewCommandAvailableForNoAssignments() {
when(context.isFocusOnClusterBuild()).thenReturn(true);
ReflectionTestUtils.setField(clusterCommands, "hostGroups", singletonMap("group1", emptyList()));
boolean result = clusterCommands.isClusterPreviewCommandAvailable();
assertFalse(result);
}
@Test
public void testIsClusterResetCommandAvailable() {
when(context.isFocusOnClusterBuild()).thenReturn(true);
ReflectionTestUtils.setField(clusterCommands, "hostGroups", singletonMap("group1", asList("host1")));
boolean result = clusterCommands.isClusterResetCommandAvailable();
assertTrue(result);
}
@Test
public void testAutoAssignForEmptyResult() throws InvalidHostGroupHostAssociation {
Map<String, List<String>> hostGroups = singletonMap("group1", asList("host1"));
ReflectionTestUtils.setField(clusterCommands, "hostGroups", hostGroups);
when(context.getFocusValue()).thenReturn("blueprint");
when(client.recommendAssignments("blueprint")).thenReturn(new HashMap<String, List<String>>());
clusterCommands.autoAssign();
Map<String, List<String>> result = (Map<String, List<String>>) ReflectionTestUtils.getField(clusterCommands, "hostGroups");
assertEquals(hostGroups, result);
}
@Test
public void testAutoAssign() throws InvalidHostGroupHostAssociation {
Map<String, List<String>> hostGroups = singletonMap("group1", asList("host1"));
Map<String, List<String>> newAssignments = singletonMap("group1", asList("host1"));
ReflectionTestUtils.setField(clusterCommands, "hostGroups", hostGroups);
when(context.getFocusValue()).thenReturn("blueprint");
when(client.recommendAssignments("blueprint")).thenReturn(newAssignments);
clusterCommands.autoAssign();
Map<String, List<String>> result = (Map<String, List<String>>) ReflectionTestUtils.getField(clusterCommands, "hostGroups");
assertEquals(newAssignments, result);
verify(context).setHint(Hints.CREATE_CLUSTER);
}
}