branch-2.0.4-alpha/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestUtils.java

/**
 * 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.mapred;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.PathFilter;

import org.junit.Test;
import static org.junit.Assert.*;

public class TestUtils {
  private static final Path[] LOG_PATHS = new Path[] {
    new Path("file:///foo/_logs"),
    new Path("file:///foo/_logs/"),
    new Path("_logs/"),
    new Path("_logs")
  };

  private static final Path[] SUCCEEDED_PATHS = new Path[] {
    new Path("file:///blah/" + FileOutputCommitter.SUCCEEDED_FILE_NAME)
  };

  private static final Path[] PASS_PATHS = new Path[] {
    new Path("file:///my_logs/blah"),
    new Path("file:///a/b/c"),
    new Path("file:///foo/_logs/blah"),
    new Path("_logs/foo"),
    new Path("file:///blah/" +
             FileOutputCommitter.SUCCEEDED_FILE_NAME +
             "/bar")
  };

  @Test
  public void testOutputFilesFilter() {
    PathFilter filter = new Utils.OutputFileUtils.OutputFilesFilter();
    for (Path p : LOG_PATHS) {
      assertFalse(filter.accept(p));
    }

    for (Path p : SUCCEEDED_PATHS) {
      assertFalse(filter.accept(p));
    }

    for (Path p : PASS_PATHS) {
      assertTrue(filter.accept(p));
    }
  }

  @Test
  public void testLogFilter() {
    PathFilter filter = new Utils.OutputFileUtils.OutputLogFilter();
    for (Path p : LOG_PATHS) {
      assertFalse(filter.accept(p));
    }

    for (Path p : SUCCEEDED_PATHS) {
      assertTrue(filter.accept(p));
    }

    for (Path p : PASS_PATHS) {
      assertTrue(filter.accept(p));
    }
  }
}