content: /*
   * Licensed 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.topology.validators;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Set;
  
  import org.apache.ambari.server.controller.internal.Stack;
  import org.apache.ambari.server.topology.Blueprint;
  import org.apache.ambari.server.topology.ClusterTopology;
  import org.apache.ambari.server.topology.Configuration;
  import org.apache.ambari.server.topology.InvalidTopologyException;
  import org.easymock.EasyMock;
  import org.easymock.EasyMockRule;
  import org.easymock.EasyMockSupport;
  import org.easymock.Mock;
  import org.easymock.TestSubject;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  
  public class StackConfigTypeValidatorTest extends EasyMockSupport {
  
    @Rule
    public EasyMockRule mocks = new EasyMockRule(this);
  
    @Mock
    private Configuration clusterConfigurationMock;
  
    @Mock
    private Configuration stackConfigurationMock;
  
    @Mock
    private Blueprint blueprintMock;
  
    @Mock
    private Stack stackMock;
  
    @Mock
    private ClusterTopology clusterTopologyMock;
  
    private Set<String> clusterRequestConfigTypes;
  
    @TestSubject
    private StackConfigTypeValidator stackConfigTypeValidator = new StackConfigTypeValidator();
  
    @Before
    public void before() {
      EasyMock.expect(clusterTopologyMock.getConfiguration()).andReturn(clusterConfigurationMock).anyTimes();
      EasyMock.expect(clusterTopologyMock.getBlueprint()).andReturn(blueprintMock).anyTimes();
  
      EasyMock.expect(blueprintMock.getStack()).andReturn(stackMock).anyTimes();
    }
  
    @After
    public void after() {
      resetAll();
    }
  
  
    @Test(expected = InvalidTopologyException.class)
    public void testShouldValidationFailWhenUnknownConfigTypeComesIn() throws Exception {
      // GIVEN
      EasyMock.expect(stackMock.getConfiguration()).andReturn(stackConfigurationMock);
      EasyMock.expect(stackConfigurationMock.getAllConfigTypes()).andReturn(new HashSet<>(Arrays.asList("core-site", "yarn-site")));
      EasyMock.expect(clusterConfigurationMock.getAllConfigTypes()).andReturn(new HashSet<>(Arrays.asList("invalid-site")));
  
      replayAll();
  
      // WHEN
      stackConfigTypeValidator.validate(clusterTopologyMock);
  
      // THEN
      // exception is thrown
  
    }
  
    @Test
    public void testShouldValidationPassifNoConfigTypesomeIn() throws Exception {
      // GIVEN
      EasyMock.expect(stackMock.getConfiguration()).andReturn(stackConfigurationMock);
      EasyMock.expect(stackConfigurationMock.getAllConfigTypes()).andReturn(new HashSet<>(Arrays.asList("core-site", "yarn-site")));
      EasyMock.expect(clusterConfigurationMock.getAllConfigTypes()).andReturn(new HashSet<>(Collections.emptyList()));
  
      replayAll();
  
      // WHEN
      stackConfigTypeValidator.validate(clusterTopologyMock);
  
      // THEN
      // no exception is thrown
  
    }
  
    @Test(expected = InvalidTopologyException.class)
    public void testShouldValidationFailIfMultipleInvalidConfigTypesComeIn() throws Exception {
      // GIVEN
      EasyMock.expect(stackMock.getConfiguration()).andReturn(stackConfigurationMock);
      EasyMock.expect(stackConfigurationMock.getAllConfigTypes()).andReturn(new HashSet<>(Arrays.asList("core-site", "yarn-site")));
      EasyMock.expect(clusterConfigurationMock.getAllConfigTypes()).andReturn(new HashSet<>(Arrays.asList("invalid-site-1", "invalid-default")));
  
      replayAll();
  
      // WHEN
      stackConfigTypeValidator.validate(clusterTopologyMock);
  
      // THEN
      // no exception is thrown
  
    }
  }