sentry-tests/src/test/java/org/apache/sentry/tests/e2e/AbstractTestWithStaticDFS.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
 *
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package org.apache.sentry.tests.e2e;

import java.io.File;
import java.io.IOException;

import junit.framework.Assert;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.sentry.tests.e2e.hiveserver.HiveServerFactory;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;

public abstract class AbstractTestWithStaticDFS extends AbstractTestWithStaticConfiguration {

  protected static MiniDFSCluster dfsCluster;
  protected static Path dfsBaseDir;

  @Before
  public void setupTestWithDFS() throws IOException {
    Assert.assertTrue(dfsBaseDir.toString(), fileSystem.delete(dfsBaseDir, true));
    Assert.assertTrue(dfsBaseDir.toString(), fileSystem.mkdirs(dfsBaseDir));
  }

  protected static Path assertCreateDfsDir(Path dir) throws IOException {
    if(!fileSystem.isDirectory(dir)) {
      Assert.assertTrue("Failed creating " + dir, fileSystem.mkdirs(dir));
    }
    return dir;
  }
  @BeforeClass
  public static void setupTestWithStaticDFS()
      throws Exception {
    Configuration conf = new Configuration();
    File dfsDir = assertCreateDir(new File(baseDir, "dfs"));
    conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR, dfsDir.getPath());
    dfsCluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
    fileSystem = dfsCluster.getFileSystem();
    dfsBaseDir = assertCreateDfsDir(new Path(new Path(fileSystem.getUri()), "/base"));
    hiveServer = HiveServerFactory.create(properties, baseDir, confDir, logDir, policyFile, fileSystem);
    hiveServer.start();
  }

  @AfterClass
  public static void tearDownTestWithStaticDFS() throws Exception {
    if(dfsCluster != null) {
      dfsCluster.shutdown();
      dfsCluster = null;
    }
  }
}