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.client.cli.fs.command;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import alluxio.client.cli.fs.AbstractFileSystemShellTest;
  import alluxio.client.cli.fs.FileSystemShellUtilsTest;
  import alluxio.client.file.FileSystemTestUtils;
  import alluxio.exception.AlluxioException;
  import alluxio.grpc.WritePType;
  
  import org.junit.Test;
  
  import java.io.IOException;
  
  /**
   * Tests for free command.
   */
  public final class FreeCommandIntegrationTest extends AbstractFileSystemShellTest {
  
    @Test
    public void freeNonPersistedFile() throws IOException, AlluxioException {
      String fileName = "/testFile";
      FileSystemTestUtils.createByteFile(sFileSystem, fileName, WritePType.MUST_CACHE, 10);
      // freeing non persisted files is expected to fail
      assertEquals(-1, sFsShell.run("free", fileName));
      assertTrue(isInMemoryTest(fileName));
    }
  
    @Test
    public void freePinnedFile() throws IOException, AlluxioException {
      String fileName = "/testFile";
      FileSystemTestUtils.createByteFile(sFileSystem, fileName, WritePType.CACHE_THROUGH, 10);
      sFsShell.run("pin", fileName);
      // freeing non persisted files is expected to fail
      assertEquals(-1, sFsShell.run("free", fileName));
      assertTrue(isInMemoryTest(fileName));
    }
  
    @Test
    public void freePinnedFileForced() throws IOException, AlluxioException {
      String fileName = "/testFile";
      FileSystemTestUtils.createByteFile(sFileSystem, fileName, WritePType.CACHE_THROUGH, 10);
      sFsShell.run("pin", fileName);
      assertEquals(0, sFsShell.run("free", "-f", fileName));
      assertFalse(isInMemoryTest(fileName));
    }
  
    @Test
    public void free() throws IOException, AlluxioException {
      String fileName = "/testFile";
      FileSystemTestUtils.createByteFile(sFileSystem, fileName, WritePType.CACHE_THROUGH, 10);
      assertEquals(0, sFsShell.run("free", fileName));
      assertFalse(isInMemoryTest(fileName));
    }
  
    @Test
    public void freeWildCardNonPersistedFile() throws IOException, AlluxioException {
      String testDir =
          FileSystemShellUtilsTest.resetFileHierarchy(sFileSystem, WritePType.MUST_CACHE);
      assertEquals(-1, sFsShell.run("free", testDir + "/foo/*"));
      // freeing non persisted files is expected to fail
      assertTrue(isInMemoryTest(testDir + "/foo/foobar1"));
      assertTrue(isInMemoryTest(testDir + "/foo/foobar2"));
      assertTrue(isInMemoryTest(testDir + "/bar/foobar3"));
      assertTrue(isInMemoryTest(testDir + "/foobar4"));
    }
  
    @Test
    public void freeWildCardPinnedFile() throws IOException, AlluxioException {
      String testDir =
          FileSystemShellUtilsTest.resetFileHierarchy(sFileSystem, WritePType.CACHE_THROUGH);
      sFsShell.run("pin", testDir + "/foo/*");
      assertEquals(-1, sFsShell.run("free", testDir + "/foo/*"));
      // freeing non pinned files is expected to fail without "-f"
      assertTrue(isInMemoryTest(testDir + "/foo/foobar1"));
      assertTrue(isInMemoryTest(testDir + "/foo/foobar2"));
    }
  
    @Test
    public void freeWildCardPinnedFileForced() throws IOException, AlluxioException {
      String testDir =
          FileSystemShellUtilsTest.resetFileHierarchy(sFileSystem, WritePType.CACHE_THROUGH);
      sFsShell.run("pin", testDir + "/foo/foobar1");
      assertEquals(0, sFsShell.run("free", "-f", testDir + "/foo/*"));
      assertFalse(isInMemoryTest(testDir + "/foo/foobar1"));
      assertFalse(isInMemoryTest(testDir + "/foo/foobar2"));
      assertTrue(isInMemoryTest(testDir + "/bar/foobar3"));
      assertTrue(isInMemoryTest(testDir + "/foobar4"));
    }
  
    @Test
    public void freeWildCard() throws IOException, AlluxioException {
      String testDir =
          FileSystemShellUtilsTest.resetFileHierarchy(sFileSystem, WritePType.CACHE_THROUGH);
      int ret = sFsShell.run("free", testDir + "/foo/*");
      assertEquals(0, ret);
      assertFalse(isInMemoryTest(testDir + "/foo/foobar1"));
      assertFalse(isInMemoryTest(testDir + "/foo/foobar2"));
      assertTrue(isInMemoryTest(testDir + "/bar/foobar3"));
      assertTrue(isInMemoryTest(testDir + "/foobar4"));
  
      ret = sFsShell.run("free", testDir + "/*/");
      assertEquals(0, ret);
      assertFalse(isInMemoryTest(testDir + "/bar/foobar3"));
      assertFalse(isInMemoryTest(testDir + "/foobar4"));
    }
  }
  