/**
 *
 * 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.hadoop.hbase;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.IOException;

import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.util.FSTableDescriptors;
import org.junit.*;
import org.junit.experimental.categories.Category;

@Category(SmallTests.class)
public class TestFSTableDescriptorForceCreation {
  private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();

  @Test
  public void testShouldCreateNewTableDescriptorIfForcefulCreationIsFalse()
      throws IOException {
    final String name = "newTable2";
    FileSystem fs = FileSystem.get(UTIL.getConfiguration());
    Path rootdir = new Path(UTIL.getDataTestDir(), name);
    HTableDescriptor htd = new HTableDescriptor(name);

    assertTrue("Should create new table descriptor",
      FSTableDescriptors.createTableDescriptor(fs, rootdir, htd, false));
  }

  @Test
  public void testShouldNotCreateTheSameTableDescriptorIfForcefulCreationIsFalse()
      throws IOException {
    final String name = "testAlreadyExists";
    FileSystem fs = FileSystem.get(UTIL.getConfiguration());
    // Cleanup old tests if any detrius laying around.
    Path rootdir = new Path(UTIL.getDataTestDir(), name);
    TableDescriptors htds = new FSTableDescriptors(fs, rootdir);
    HTableDescriptor htd = new HTableDescriptor(name);
    htds.add(htd);
    assertFalse("Should not create new table descriptor",
      FSTableDescriptors.createTableDescriptor(fs, rootdir, htd, false));
  }

  @Test
  public void testShouldAllowForcefulCreationOfAlreadyExistingTableDescriptor()
      throws Exception {
    final String name = "createNewTableNew2";
    FileSystem fs = FileSystem.get(UTIL.getConfiguration());
    Path rootdir = new Path(UTIL.getDataTestDir(), name);
    HTableDescriptor htd = new HTableDescriptor(name);
    FSTableDescriptors.createTableDescriptor(fs, rootdir, htd, false);
    assertTrue("Should create new table descriptor",
      FSTableDescriptors.createTableDescriptor(fs, rootdir, htd, true));
  }

}