/*
 * 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.shell.command;

import alluxio.AlluxioURI;
import alluxio.Constants;
import alluxio.client.WriteType;
import alluxio.client.file.FileSystemTestUtils;
import alluxio.client.file.URIStatus;
import alluxio.shell.AbstractAlluxioShellTest;
import alluxio.wire.TtlAction;

import org.junit.Assert;
import org.junit.Test;

/**
 * Tests for setTtl command.
 */
public final class SetTtlCommandTest extends AbstractAlluxioShellTest {
  @Test
  public void setTtl() throws Exception {
    String filePath = "/testFile";
    FileSystemTestUtils.createByteFile(mFileSystem, filePath, WriteType.MUST_CACHE, 1);
    Assert.assertEquals(Constants.NO_TTL,
        mFileSystem.getStatus(new AlluxioURI("/testFile")).getTtl());

    AlluxioURI uri = new AlluxioURI("/testFile");
    long[] ttls = new long[] {0L, 1000L};
    for (long ttl : ttls) {
      Assert.assertEquals(0, mFsShell.run("setTtl", filePath, String.valueOf(ttl)));
      URIStatus status = mFileSystem.getStatus(uri);
      Assert.assertEquals(ttl, status.getTtl());
      Assert.assertEquals(TtlAction.DELETE, status.getTtlAction());
    }
  }

  @Test
  public void setTtlWithDelete() throws Exception {
    String filePath = "/testFile";
    FileSystemTestUtils.createByteFile(mFileSystem, filePath, WriteType.MUST_CACHE, 1);
    Assert.assertEquals(Constants.NO_TTL,
        mFileSystem.getStatus(new AlluxioURI("/testFile")).getTtl());

    AlluxioURI uri = new AlluxioURI("/testFile");
    long ttl = 1000L;
    Assert.assertEquals(0,
        mFsShell.run("setTtl", "-action", "delete", filePath, String.valueOf(ttl)));
    URIStatus status = mFileSystem.getStatus(uri);
    Assert.assertEquals(ttl, status.getTtl());
    Assert.assertEquals(TtlAction.DELETE, status.getTtlAction());
  }

  @Test
  public void setTtlWithFree() throws Exception {
    String filePath = "/testFile";
    FileSystemTestUtils.createByteFile(mFileSystem, filePath, WriteType.MUST_CACHE, 1);
    Assert.assertEquals(Constants.NO_TTL,
        mFileSystem.getStatus(new AlluxioURI("/testFile")).getTtl());

    AlluxioURI uri = new AlluxioURI("/testFile");
    long ttl = 1000L;
    Assert.assertEquals(0,
        mFsShell.run("setTtl", "-action", "free", filePath, String.valueOf(ttl)));
    URIStatus status = mFileSystem.getStatus(uri);
    Assert.assertEquals(ttl, status.getTtl());
    Assert.assertEquals(TtlAction.FREE, status.getTtlAction());
  }

  @Test
  public void setTtlWithNoOperationValue() throws Exception {
    String filePath = "/testFile";
    FileSystemTestUtils.createByteFile(mFileSystem, filePath, WriteType.MUST_CACHE, 1);
    Assert.assertEquals(Constants.NO_TTL,
        mFileSystem.getStatus(new AlluxioURI("/testFile")).getTtl());

    long ttl = 1000L;
    Assert.assertEquals(-1, mFsShell.run("setTtl", "-action", filePath, String.valueOf(ttl)));
  }

  @Test
  public void setTtlWithInvalidOperationValue() throws Exception {
    String filePath = "/testFile";
    FileSystemTestUtils.createByteFile(mFileSystem, filePath, WriteType.MUST_CACHE, 1);
    Assert.assertEquals(Constants.NO_TTL,
        mFileSystem.getStatus(new AlluxioURI("/testFile")).getTtl());

    long ttl = 1000L;
    Assert.assertEquals(-1,
        mFsShell.run("setTtl", "-action", "invalid", filePath, String.valueOf(ttl)));
  }

  @Test
  public void setTtlNegative() throws Exception {
    FileSystemTestUtils.createByteFile(mFileSystem, "/testFile", WriteType.MUST_CACHE, 1);
    mFsShell.run("setTtl", "/testFile", "\"-1\"");
    Assert.assertTrue(mOutput.toString().contains("TTL value must be >= 0"));
  }
}