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 <pre><span class="source-line-no">001</span><span id="line-1">/*</span>
 <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
 <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements.  See the NOTICE file</span>
 <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
 <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership.  The ASF licenses this file</span>
 <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
 <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
 <span class="source-line-no">008</span><span id="line-8"> * with the License.  You may obtain a copy of the License at</span>
 <span class="source-line-no">009</span><span id="line-9"> *</span>
 <span class="source-line-no">010</span><span id="line-10"> *     http://www.apache.org/licenses/LICENSE-2.0</span>
 <span class="source-line-no">011</span><span id="line-11"> *</span>
 <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
 <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
 <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
 <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
 <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
 <span class="source-line-no">017</span><span id="line-17"> */</span>
 <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase;</span>
 <span class="source-line-no">019</span><span id="line-19"></span>
 <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span>
 <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span>
 <span class="source-line-no">022</span><span id="line-22"></span>
 <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.fs.FileSystem;</span>
 <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.fs.Path;</span>
 <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.client.Put;</span>
 <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Table;</span>
 <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
 <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.Bytes;</span>
 <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hdfs.MiniDFSCluster;</span>
 <span class="source-line-no">030</span><span id="line-30">import org.junit.ClassRule;</span>
 <span class="source-line-no">031</span><span id="line-31">import org.junit.Rule;</span>
 <span class="source-line-no">032</span><span id="line-32">import org.junit.Test;</span>
 <span class="source-line-no">033</span><span id="line-33">import org.junit.experimental.categories.Category;</span>
 <span class="source-line-no">034</span><span id="line-34">import org.junit.rules.TestName;</span>
 <span class="source-line-no">035</span><span id="line-35"></span>
 <span class="source-line-no">036</span><span id="line-36">/**</span>
 <span class="source-line-no">037</span><span id="line-37"> * Test that an HBase cluster can run on top of an existing MiniDfsCluster</span>
 <span class="source-line-no">038</span><span id="line-38"> */</span>
 <span class="source-line-no">039</span><span id="line-39">@Category(MediumTests.class)</span>
 <span class="source-line-no">040</span><span id="line-40">public class TestHBaseOnOtherDfsCluster {</span>
 <span class="source-line-no">041</span><span id="line-41"></span>
 <span class="source-line-no">042</span><span id="line-42">  @ClassRule</span>
 <span class="source-line-no">043</span><span id="line-43">  public static final HBaseClassTestRule CLASS_RULE =</span>
 <span class="source-line-no">044</span><span id="line-44">    HBaseClassTestRule.forClass(TestHBaseOnOtherDfsCluster.class);</span>
 <span class="source-line-no">045</span><span id="line-45"></span>
 <span class="source-line-no">046</span><span id="line-46">  @Rule</span>
 <span class="source-line-no">047</span><span id="line-47">  public TestName name = new TestName();</span>
 <span class="source-line-no">048</span><span id="line-48"></span>
 <span class="source-line-no">049</span><span id="line-49">  @Test</span>
 <span class="source-line-no">050</span><span id="line-50">  public void testOveralyOnOtherCluster() throws Exception {</span>
 <span class="source-line-no">051</span><span id="line-51">    // just run HDFS</span>
 <span class="source-line-no">052</span><span id="line-52">    HBaseTestingUtil util1 = new HBaseTestingUtil();</span>
 <span class="source-line-no">053</span><span id="line-53">    MiniDFSCluster dfs = util1.startMiniDFSCluster(1);</span>
 <span class="source-line-no">054</span><span id="line-54"></span>
 <span class="source-line-no">055</span><span id="line-55">    // run HBase on that HDFS</span>
 <span class="source-line-no">056</span><span id="line-56">    HBaseTestingUtil util2 = new HBaseTestingUtil();</span>
 <span class="source-line-no">057</span><span id="line-57">    // set the dfs</span>
 <span class="source-line-no">058</span><span id="line-58">    util2.setDFSCluster(dfs, false);</span>
 <span class="source-line-no">059</span><span id="line-59">    util2.startMiniCluster();</span>
 <span class="source-line-no">060</span><span id="line-60"></span>
 <span class="source-line-no">061</span><span id="line-61">    // ensure that they are pointed at the same place</span>
 <span class="source-line-no">062</span><span id="line-62">    FileSystem fs = dfs.getFileSystem();</span>
 <span class="source-line-no">063</span><span id="line-63">    FileSystem targetFs = util2.getDFSCluster().getFileSystem();</span>
 <span class="source-line-no">064</span><span id="line-64">    assertFsSameUri(fs, targetFs);</span>
 <span class="source-line-no">065</span><span id="line-65"></span>
 <span class="source-line-no">066</span><span id="line-66">    fs = FileSystem.get(util1.getConfiguration());</span>
 <span class="source-line-no">067</span><span id="line-67">    targetFs = FileSystem.get(util2.getConfiguration());</span>
 <span class="source-line-no">068</span><span id="line-68">    assertFsSameUri(fs, targetFs);</span>
 <span class="source-line-no">069</span><span id="line-69"></span>
 <span class="source-line-no">070</span><span id="line-70">    Path randomFile = new Path("/" + util1.getRandomUUID());</span>
 <span class="source-line-no">071</span><span id="line-71">    assertTrue(targetFs.createNewFile(randomFile));</span>
 <span class="source-line-no">072</span><span id="line-72">    assertTrue(fs.exists(randomFile));</span>
 <span class="source-line-no">073</span><span id="line-73"></span>
 <span class="source-line-no">074</span><span id="line-74">    // do a simple create/write to ensure the cluster works as expected</span>
 <span class="source-line-no">075</span><span id="line-75">    byte[] family = Bytes.toBytes("testfamily");</span>
 <span class="source-line-no">076</span><span id="line-76">    final TableName tablename = TableName.valueOf(name.getMethodName());</span>
 <span class="source-line-no">077</span><span id="line-77">    Table table = util2.createTable(tablename, family);</span>
 <span class="source-line-no">078</span><span id="line-78">    Put p = new Put(new byte[] { 1, 2, 3 });</span>
 <span class="source-line-no">079</span><span id="line-79">    p.addColumn(family, null, new byte[] { 1 });</span>
 <span class="source-line-no">080</span><span id="line-80">    table.put(p);</span>
 <span class="source-line-no">081</span><span id="line-81"></span>
 <span class="source-line-no">082</span><span id="line-82">    // shutdown and make sure cleanly shutting down</span>
 <span class="source-line-no">083</span><span id="line-83">    util2.shutdownMiniCluster();</span>
 <span class="source-line-no">084</span><span id="line-84">    util1.shutdownMiniDFSCluster();</span>
 <span class="source-line-no">085</span><span id="line-85">  }</span>
 <span class="source-line-no">086</span><span id="line-86"></span>
 <span class="source-line-no">087</span><span id="line-87">  private void assertFsSameUri(FileSystem sourceFs, FileSystem targetFs) {</span>
 <span class="source-line-no">088</span><span id="line-88">    Path source = new Path(sourceFs.getUri());</span>
 <span class="source-line-no">089</span><span id="line-89">    Path target = new Path(targetFs.getUri());</span>
 <span class="source-line-no">090</span><span id="line-90">    assertEquals(source, target);</span>
 <span class="source-line-no">091</span><span id="line-91">  }</span>
 <span class="source-line-no">092</span><span id="line-92">}</span>


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	<!-- Generated by javadoc (17) -->
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	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta name="description" content="source: package: org.apache.hadoop.hbase, class: TestHBaseOnOtherDfsCluster">
	<meta name="generator" content="javadoc/SourceToHTMLConverter">
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	<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
	<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
	<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
	<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
	<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
	<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
	<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
	<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
	<span class="source-line-no">009</span><span id="line-9"> *</span>
	<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
	<span class="source-line-no">011</span><span id="line-11"> *</span>
	<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
	<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
	<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
	<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
	<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
	<span class="source-line-no">017</span><span id="line-17"> */</span>
	<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase;</span>
	<span class="source-line-no">019</span><span id="line-19"></span>
	<span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span>
	<span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span>
	<span class="source-line-no">022</span><span id="line-22"></span>
	<span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.fs.FileSystem;</span>
	<span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.fs.Path;</span>
	<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.client.Put;</span>
	<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Table;</span>
	<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
	<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.Bytes;</span>
	<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hdfs.MiniDFSCluster;</span>
	<span class="source-line-no">030</span><span id="line-30">import org.junit.ClassRule;</span>
	<span class="source-line-no">031</span><span id="line-31">import org.junit.Rule;</span>
	<span class="source-line-no">032</span><span id="line-32">import org.junit.Test;</span>
	<span class="source-line-no">033</span><span id="line-33">import org.junit.experimental.categories.Category;</span>
	<span class="source-line-no">034</span><span id="line-34">import org.junit.rules.TestName;</span>
	<span class="source-line-no">035</span><span id="line-35"></span>
	<span class="source-line-no">036</span><span id="line-36">/**</span>
	<span class="source-line-no">037</span><span id="line-37"> * Test that an HBase cluster can run on top of an existing MiniDfsCluster</span>
	<span class="source-line-no">038</span><span id="line-38"> */</span>
	<span class="source-line-no">039</span><span id="line-39">@Category(MediumTests.class)</span>
	<span class="source-line-no">040</span><span id="line-40">public class TestHBaseOnOtherDfsCluster {</span>
	<span class="source-line-no">041</span><span id="line-41"></span>
	<span class="source-line-no">042</span><span id="line-42"> @ClassRule</span>
	<span class="source-line-no">043</span><span id="line-43"> public static final HBaseClassTestRule CLASS_RULE =</span>
	<span class="source-line-no">044</span><span id="line-44"> HBaseClassTestRule.forClass(TestHBaseOnOtherDfsCluster.class);</span>
	<span class="source-line-no">045</span><span id="line-45"></span>
	<span class="source-line-no">046</span><span id="line-46"> @Rule</span>
	<span class="source-line-no">047</span><span id="line-47"> public TestName name = new TestName();</span>
	<span class="source-line-no">048</span><span id="line-48"></span>
	<span class="source-line-no">049</span><span id="line-49"> @Test</span>
	<span class="source-line-no">050</span><span id="line-50"> public void testOveralyOnOtherCluster() throws Exception {</span>
	<span class="source-line-no">051</span><span id="line-51"> // just run HDFS</span>
	<span class="source-line-no">052</span><span id="line-52"> HBaseTestingUtil util1 = new HBaseTestingUtil();</span>
	<span class="source-line-no">053</span><span id="line-53"> MiniDFSCluster dfs = util1.startMiniDFSCluster(1);</span>
	<span class="source-line-no">054</span><span id="line-54"></span>
	<span class="source-line-no">055</span><span id="line-55"> // run HBase on that HDFS</span>
	<span class="source-line-no">056</span><span id="line-56"> HBaseTestingUtil util2 = new HBaseTestingUtil();</span>
	<span class="source-line-no">057</span><span id="line-57"> // set the dfs</span>
	<span class="source-line-no">058</span><span id="line-58"> util2.setDFSCluster(dfs, false);</span>
	<span class="source-line-no">059</span><span id="line-59"> util2.startMiniCluster();</span>
	<span class="source-line-no">060</span><span id="line-60"></span>
	<span class="source-line-no">061</span><span id="line-61"> // ensure that they are pointed at the same place</span>
	<span class="source-line-no">062</span><span id="line-62"> FileSystem fs = dfs.getFileSystem();</span>
	<span class="source-line-no">063</span><span id="line-63"> FileSystem targetFs = util2.getDFSCluster().getFileSystem();</span>
	<span class="source-line-no">064</span><span id="line-64"> assertFsSameUri(fs, targetFs);</span>
	<span class="source-line-no">065</span><span id="line-65"></span>
	<span class="source-line-no">066</span><span id="line-66"> fs = FileSystem.get(util1.getConfiguration());</span>
	<span class="source-line-no">067</span><span id="line-67"> targetFs = FileSystem.get(util2.getConfiguration());</span>
	<span class="source-line-no">068</span><span id="line-68"> assertFsSameUri(fs, targetFs);</span>
	<span class="source-line-no">069</span><span id="line-69"></span>
	<span class="source-line-no">070</span><span id="line-70"> Path randomFile = new Path("/" + util1.getRandomUUID());</span>
	<span class="source-line-no">071</span><span id="line-71"> assertTrue(targetFs.createNewFile(randomFile));</span>
	<span class="source-line-no">072</span><span id="line-72"> assertTrue(fs.exists(randomFile));</span>
	<span class="source-line-no">073</span><span id="line-73"></span>
	<span class="source-line-no">074</span><span id="line-74"> // do a simple create/write to ensure the cluster works as expected</span>
	<span class="source-line-no">075</span><span id="line-75"> byte[] family = Bytes.toBytes("testfamily");</span>
	<span class="source-line-no">076</span><span id="line-76"> final TableName tablename = TableName.valueOf(name.getMethodName());</span>
	<span class="source-line-no">077</span><span id="line-77"> Table table = util2.createTable(tablename, family);</span>
	<span class="source-line-no">078</span><span id="line-78"> Put p = new Put(new byte[] { 1, 2, 3 });</span>
	<span class="source-line-no">079</span><span id="line-79"> p.addColumn(family, null, new byte[] { 1 });</span>
	<span class="source-line-no">080</span><span id="line-80"> table.put(p);</span>
	<span class="source-line-no">081</span><span id="line-81"></span>
	<span class="source-line-no">082</span><span id="line-82"> // shutdown and make sure cleanly shutting down</span>
	<span class="source-line-no">083</span><span id="line-83"> util2.shutdownMiniCluster();</span>
	<span class="source-line-no">084</span><span id="line-84"> util1.shutdownMiniDFSCluster();</span>
	<span class="source-line-no">085</span><span id="line-85"> }</span>
	<span class="source-line-no">086</span><span id="line-86"></span>
	<span class="source-line-no">087</span><span id="line-87"> private void assertFsSameUri(FileSystem sourceFs, FileSystem targetFs) {</span>
	<span class="source-line-no">088</span><span id="line-88"> Path source = new Path(sourceFs.getUri());</span>
	<span class="source-line-no">089</span><span id="line-89"> Path target = new Path(targetFs.getUri());</span>
	<span class="source-line-no">090</span><span id="line-90"> assertEquals(source, target);</span>
	<span class="source-line-no">091</span><span id="line-91"> }</span>
	<span class="source-line-no">092</span><span id="line-92">}</span>




























































	</pre>
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