content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.security.group;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.mockito.Mockito.eq;
  
  import alluxio.security.group.provider.ShellBasedUnixGroupsMapping;
  import alluxio.util.CommonUtils;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.powermock.api.mockito.PowerMockito;
  import org.powermock.core.classloader.annotations.PrepareForTest;
  import org.powermock.modules.junit4.PowerMockRunner;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Unit test for {@link alluxio.security.group.provider.ShellBasedUnixGroupsMapping}.
   */
  @RunWith(PowerMockRunner.class)
  @PrepareForTest(CommonUtils.class)
  public final class ShellBasedUnixGroupsMappingTest {
  
    private void setupShellMocks(String username, List<String> groups) throws IOException {
      PowerMockito.mockStatic(CommonUtils.class);
      PowerMockito.when(CommonUtils.getUnixGroups(eq(username))).thenReturn(groups);
    }
  
    /**
     * Tests the {@link ShellBasedUnixGroupsMapping#getGroups(String)} method.
     */
    @Test
    public void userGroup() throws Throwable {
      String userName = "alluxio-user1";
      String userGroup1 = "alluxio-user1-group1";
      String userGroup2 = "alluxio-user1-group2";
      List<String> userGroups = new ArrayList<>();
      userGroups.add(userGroup1);
      userGroups.add(userGroup2);
      setupShellMocks(userName, userGroups);
  
      GroupMappingService groups = new ShellBasedUnixGroupsMapping();
  
      assertNotNull(groups);
      assertNotNull(groups.getGroups(userName));
      assertEquals(groups.getGroups(userName).size(), 2);
    }
  }
  