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.cli.fs.command;
  
  import alluxio.AlluxioURI;
  import alluxio.exception.AlluxioException;
  
  import org.apache.commons.cli.CommandLine;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.PrintStream;
  
  public class ChownCommandTest {
    private ByteArrayOutputStream mOutput = new ByteArrayOutputStream();
    private ByteArrayOutputStream mError  = new ByteArrayOutputStream();
  
    @Before
    public void setupStreams() {
      System.setOut(new PrintStream(mOutput));
      System.setErr(new PrintStream(mError));
    }
  
    @After
    public void cleanupStreams() {
      System.setOut(null);
      System.setErr(null);
    }
  
    @Test
    public void chownPanicIllegalOwnerName() throws AlluxioException, IOException {
      ChownCommand command = new ChownCommand(null);
  
      String expectedOutput = String.format("Failed to parse user#1:group1 as user or user:group%n");
      verifyChownCommandReturnValueAndOutput(command, -1, expectedOutput,
          "user#1:group1", "/testFile");
  
      expectedOutput = String.format("Failed to parse user@1:group1 as user or user:group%n");
      verifyChownCommandReturnValueAndOutput(command, -1, expectedOutput,
          "user@1:group1", "/testFile");
  
      expectedOutput = String.format("Failed to parse 6user^$group$ as user or user:group%n");
      verifyChownCommandReturnValueAndOutput(command, -1, expectedOutput,
          "6user^$group$", "/testFile");
    }
  
    @Test
    public void chownPanicIllegalGroupName() throws AlluxioException, IOException {
      ChownCommand command = new ChownCommand(null);
  
      String expectedOutput = String.format("Failed to parse user1:^6group$ as user or user:group%n");
      verifyChownCommandReturnValueAndOutput(command, -1, expectedOutput,
          "user1:^6group$", "/testFile");
    }
  
    @Test
    public void chownLegalCases() throws AlluxioException, IOException {
      ChownCommand command = Mockito.spy(new ChownCommand(null));
      Mockito.doNothing().when(command).runWildCardCmd(
          Mockito.any(AlluxioURI.class), Mockito.any(CommandLine.class));
      verifyChownCommandReturnValueAndOutput(command, 0, "", "user-1:group-1", "/testFile");
      verifyChownCommandReturnValueAndOutput(command, 0, "", "user.1:group.1", "/testFile");
    }
  
    private void verifyChownCommandReturnValueAndOutput(ChownCommand command,
        int expectedReturnValue, String expectedOutput, String... args)
        throws AlluxioException, IOException {
      mOutput.reset();
      CommandLine cl = command.parseAndValidateArgs(args);
      int ret = command.run(cl);
      Assert.assertEquals(expectedReturnValue, ret);
      Assert.assertEquals(expectedOutput, mOutput.toString());
    }
  }
  