/**
 * 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.tools;

import org.junit.Test;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;

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

/**
 * Test {@link RegexpInConfigurationFilter}.
 */
public class TestRegexpInConfigurationFilter {

  @Test
  public void testShouldCopy() {
    Configuration configuration = new Configuration(false);
    configuration.set(DistCpConstants.DISTCP_EXCLUDE_FILE_REGEX,
            "\\/.*_COPYING_$|\\/.*_COPYING$|^.*\\/\\.[^\\/]*$|" +
                    "\\/_temporary$|\\/\\_temporary\\/|.*\\/\\.Trash\\/.*");
    RegexpInConfigurationFilter defaultCopyFilter =
            new RegexpInConfigurationFilter(configuration);
    Path shouldCopyPath = new Path("/user/bar");
    assertTrue(shouldCopyPath.toString() + " should be copied",
            defaultCopyFilter.shouldCopy(shouldCopyPath));
    shouldCopyPath = new Path("/user/bar/_COPYING");
    assertFalse(shouldCopyPath.toString() + " shouldn't be copied",
            defaultCopyFilter.shouldCopy(shouldCopyPath));
    shouldCopyPath = new Path("/user/bar/_COPYING_");
    assertFalse(shouldCopyPath.toString() + " shouldn't be copied",
            defaultCopyFilter.shouldCopy(shouldCopyPath));
    shouldCopyPath = new Path("/temp/");
    assertTrue(shouldCopyPath.toString() + " should be copied",
            defaultCopyFilter.shouldCopy(shouldCopyPath));
  }
}
