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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.ipc;</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.assertFalse;</span>
<span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertTrue;</span>
<span class="source-line-no">023</span><span id="line-23"></span>
<span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseServerException;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.testclassification.ClientTests;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.testclassification.SmallTests;</span>
<span class="source-line-no">029</span><span id="line-29">import org.junit.ClassRule;</span>
<span class="source-line-no">030</span><span id="line-30">import org.junit.Test;</span>
<span class="source-line-no">031</span><span id="line-31">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">032</span><span id="line-32"></span>
<span class="source-line-no">033</span><span id="line-33">@Category({ ClientTests.class, SmallTests.class })</span>
<span class="source-line-no">034</span><span id="line-34">public class TestRemoteWithExtrasException {</span>
<span class="source-line-no">035</span><span id="line-35"></span>
<span class="source-line-no">036</span><span id="line-36"> @ClassRule</span>
<span class="source-line-no">037</span><span id="line-37"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">038</span><span id="line-38"> HBaseClassTestRule.forClass(TestRemoteWithExtrasException.class);</span>
<span class="source-line-no">039</span><span id="line-39"></span>
<span class="source-line-no">040</span><span id="line-40"> /**</span>
<span class="source-line-no">041</span><span id="line-41"> * test verifies that we honor the inherent value of an exception for isServerOverloaded. We don't</span>
<span class="source-line-no">042</span><span id="line-42"> * want a false value passed into RemoteWithExtrasExceptions to override the inherent value of an</span>
<span class="source-line-no">043</span><span id="line-43"> * exception if it's already true. This could be due to an out of date server not sending the</span>
<span class="source-line-no">044</span><span id="line-44"> * proto field we expect.</span>
<span class="source-line-no">045</span><span id="line-45"> */</span>
<span class="source-line-no">046</span><span id="line-46"> @Test</span>
<span class="source-line-no">047</span><span id="line-47"> public void itUsesExceptionDefaultValueForServerOverloaded() {</span>
<span class="source-line-no">048</span><span id="line-48"> // pass false for server overloaded, we still expect the exception to be true due to</span>
<span class="source-line-no">049</span><span id="line-49"> // the exception type</span>
<span class="source-line-no">050</span><span id="line-50"> RemoteWithExtrasException ex = new RemoteWithExtrasException(</span>
<span class="source-line-no">051</span><span id="line-51"> ServerOverloadedException.class.getName(), "server is overloaded", false, false);</span>
<span class="source-line-no">052</span><span id="line-52"> IOException result = ex.unwrapRemoteException();</span>
<span class="source-line-no">053</span><span id="line-53"></span>
<span class="source-line-no">054</span><span id="line-54"> assertEquals(result.getClass(), ServerOverloadedException.class);</span>
<span class="source-line-no">055</span><span id="line-55"> assertTrue(((ServerOverloadedException) result).isServerOverloaded());</span>
<span class="source-line-no">056</span><span id="line-56"> }</span>
<span class="source-line-no">057</span><span id="line-57"></span>
<span class="source-line-no">058</span><span id="line-58"> @Test</span>
<span class="source-line-no">059</span><span id="line-59"> public void itUsesPassedServerOverloadedValue() {</span>
<span class="source-line-no">060</span><span id="line-60"> String exceptionClass = HBaseServerException.class.getName();</span>
<span class="source-line-no">061</span><span id="line-61"> String message = "server is overloaded";</span>
<span class="source-line-no">062</span><span id="line-62"> RemoteWithExtrasException ex =</span>
<span class="source-line-no">063</span><span id="line-63"> new RemoteWithExtrasException(exceptionClass, message, false, false);</span>
<span class="source-line-no">064</span><span id="line-64"> IOException result = ex.unwrapRemoteException();</span>
<span class="source-line-no">065</span><span id="line-65"></span>
<span class="source-line-no">066</span><span id="line-66"> assertTrue(result instanceof HBaseServerException);</span>
<span class="source-line-no">067</span><span id="line-67"> assertFalse(((HBaseServerException) result).isServerOverloaded());</span>
<span class="source-line-no">068</span><span id="line-68"></span>
<span class="source-line-no">069</span><span id="line-69"> // run again with true value passed in</span>
<span class="source-line-no">070</span><span id="line-70"> ex = new RemoteWithExtrasException(exceptionClass, message, false, true);</span>
<span class="source-line-no">071</span><span id="line-71"> result = ex.unwrapRemoteException();</span>
<span class="source-line-no">072</span><span id="line-72"></span>
<span class="source-line-no">073</span><span id="line-73"> assertTrue(result instanceof HBaseServerException);</span>
<span class="source-line-no">074</span><span id="line-74"> // expect true this time</span>
<span class="source-line-no">075</span><span id="line-75"> assertTrue(((HBaseServerException) result).isServerOverloaded());</span>
<span class="source-line-no">076</span><span id="line-76"> }</span>
<span class="source-line-no">077</span><span id="line-77"></span>
<span class="source-line-no">078</span><span id="line-78"> private static class ServerOverloadedException extends HBaseServerException {</span>
<span class="source-line-no">079</span><span id="line-79"> public ServerOverloadedException(String message) {</span>
<span class="source-line-no">080</span><span id="line-80"> super(true, message);</span>
<span class="source-line-no">081</span><span id="line-81"> }</span>
<span class="source-line-no">082</span><span id="line-82"> }</span>
<span class="source-line-no">083</span><span id="line-83"></span>
<span class="source-line-no">084</span><span id="line-84">}</span>
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