Package org.apache.hive.ptest.execution

Source Code of org.apache.hive.ptest.execution.TestLogDirectoryCleaner

/*
* 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.hive.ptest.execution;

import java.io.File;
import java.util.Collections;
import java.util.List;

import junit.framework.Assert;

import org.apache.hive.ptest.execution.LogDirectoryCleaner;
import org.junit.Rule;
import org.junit.rules.TemporaryFolder;

import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;

public class TestLogDirectoryCleaner {

  @Rule
  public TemporaryFolder baseDir = new TemporaryFolder();

  @org.junit.Test
  public void testClean() throws Exception {
    File dir = create("a-0", "a-1", "a-2", "malformed", "b-0", "c-0", "c-5");
    LogDirectoryCleaner cleaner = new LogDirectoryCleaner(dir, 1);
    cleaner.run();
    List<String> remaining = Lists.newArrayList(dir.list());
    Collections.sort(remaining);
    Assert.assertEquals(Lists.newArrayList("a-1", "a-2", "b-0", "c-5", "malformed"),  remaining);
  }

  private File create(String... names) {
    File root = baseDir.getRoot();
    Preconditions.checkState(root.isDirectory(), root.toString());
    for(String name : names) {
      File dir = new File(root, name);
      Preconditions.checkState(dir.mkdirs(), dir.toString());
    }
    return root;
  }
}
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