content: /**
   * 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.ha;
  
  import org.apache.atlas.AtlasConstants;
  import org.apache.atlas.AtlasException;
  import org.apache.commons.configuration.Configuration;
  import org.mockito.Mock;
  import org.mockito.MockitoAnnotations;
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.Test;
  
  import static org.mockito.Mockito.when;
  import static org.testng.Assert.assertEquals;
  import static org.testng.Assert.fail;
  
  public class AtlasServerIdSelectorTest {
      @Mock
      private Configuration configuration;
  
      @BeforeMethod
      public void setup() {
          MockitoAnnotations.initMocks(this);
          System.setProperty(AtlasConstants.SYSTEM_PROPERTY_APP_PORT, AtlasConstants.DEFAULT_APP_PORT_STR);
      }
  
      @Test
      public void testShouldSelectRightServerAddress() throws AtlasException {
          when(configuration.getStringArray(HAConfiguration.ATLAS_SERVER_IDS)).thenReturn(new String[] {"id1", "id2"});
          when(configuration.getString(HAConfiguration.ATLAS_SERVER_ADDRESS_PREFIX + "id1")).thenReturn("127.0.0.1:31000");
          when(configuration.getString(HAConfiguration.ATLAS_SERVER_ADDRESS_PREFIX + "id2")).thenReturn("127.0.0.1:21000");
  
          String atlasServerId = AtlasServerIdSelector.selectServerId(configuration);
  
          assertEquals(atlasServerId, "id2");
      }
  
      @Test(expectedExceptions = AtlasException.class)
      public void testShouldFailIfNoIDsConfiguration() throws AtlasException {
          when(configuration.getStringArray(HAConfiguration.ATLAS_SERVER_IDS)).thenReturn(new String[] {});
  
          AtlasServerIdSelector.selectServerId(configuration);
  
          fail("Should not return any server id if IDs not found in configuration");
      }
  
      @Test(expectedExceptions = AtlasException.class)
      public void testShouldFailIfNoMatchingAddressForID() throws AtlasException {
          when(configuration.getStringArray(HAConfiguration.ATLAS_SERVER_IDS)).thenReturn(new String[] {"id1", "id2"});
          when(configuration.getString(HAConfiguration.ATLAS_SERVER_ADDRESS_PREFIX + "id1")).thenReturn("127.0.0.1:31000");
  
          AtlasServerIdSelector.selectServerId(configuration);
  
          fail("Should not return any server id if no matching address found for any ID");
      }
  }
  