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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.master.http;</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"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.lang.reflect.Method;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.ArrayList;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Arrays;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Collections;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.List;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Objects;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Random;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.RegionMetrics;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.RegionMetricsBuilder;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.master.http.RegionVisualizer.RegionDetails;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.Assert;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.ClassRule;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Test;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hbase.thirdparty.com.google.gson.Gson;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.com.google.gson.JsonObject;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">@Category({ MasterTests.class, SmallTests.class })</span> |
| <span class="source-line-no">050</span><span id="line-50">public class TestRegionVisualizer {</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> @ClassRule</span> |
| <span class="source-line-no">053</span><span id="line-53"> public static final HBaseClassTestRule testRule =</span> |
| <span class="source-line-no">054</span><span id="line-54"> HBaseClassTestRule.forClass(TestRegionVisualizer.class);</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final Random rand = new Random();</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static List<Method> regionMetricsBuilderLongValueSetters;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> @BeforeClass</span> |
| <span class="source-line-no">060</span><span id="line-60"> public static void beforeClass() {</span> |
| <span class="source-line-no">061</span><span id="line-61"> regionMetricsBuilderLongValueSetters =</span> |
| <span class="source-line-no">062</span><span id="line-62"> Arrays.stream(RegionMetricsBuilder.class.getDeclaredMethods())</span> |
| <span class="source-line-no">063</span><span id="line-63"> .filter(method -> method.getName().startsWith("set"))</span> |
| <span class="source-line-no">064</span><span id="line-64"> .filter(method -> method.getParameterTypes().length == 1)</span> |
| <span class="source-line-no">065</span><span id="line-65"> .filter(method -> Objects.equals(method.getParameterTypes()[0], long.class))</span> |
| <span class="source-line-no">066</span><span id="line-66"> .collect(Collectors.toList());</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @Test</span> |
| <span class="source-line-no">070</span><span id="line-70"> public void testRegionDetailsJsonSerialization() throws Exception {</span> |
| <span class="source-line-no">071</span><span id="line-71"> final ServerName serverName =</span> |
| <span class="source-line-no">072</span><span id="line-72"> ServerName.valueOf("example.org", 1234, System.currentTimeMillis());</span> |
| <span class="source-line-no">073</span><span id="line-73"> final TableName tableName = TableName.valueOf("foo", "bar");</span> |
| <span class="source-line-no">074</span><span id="line-74"> final RegionDetails regionDetails =</span> |
| <span class="source-line-no">075</span><span id="line-75"> new RegionDetails(serverName, tableName, buildRegionMetrics(tableName));</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> final Gson gson = RegionVisualizer.buildGson();</span> |
| <span class="source-line-no">078</span><span id="line-78"> final JsonObject result = gson.fromJson(gson.toJson(regionDetails), JsonObject.class);</span> |
| <span class="source-line-no">079</span><span id="line-79"> Assert.assertNotNull(result);</span> |
| <span class="source-line-no">080</span><span id="line-80"> assertEquals(serverName.toShortString(), result.get("server_name").getAsString());</span> |
| <span class="source-line-no">081</span><span id="line-81"> assertEquals(tableName.getNameAsString(), result.get("table_name").getAsString());</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> |
| <span class="source-line-no">085</span><span id="line-85"> * Build a {@link RegionMetrics} object for {@code tableName}. Populates a couple random fields</span> |
| <span class="source-line-no">086</span><span id="line-86"> * with non-empty values.</span> |
| <span class="source-line-no">087</span><span id="line-87"> */</span> |
| <span class="source-line-no">088</span><span id="line-88"> final RegionMetrics buildRegionMetrics(final TableName tableName) throws Exception {</span> |
| <span class="source-line-no">089</span><span id="line-89"> final List<Method> setters = new ArrayList<>(regionMetricsBuilderLongValueSetters);</span> |
| <span class="source-line-no">090</span><span id="line-90"> Collections.shuffle(setters, rand);</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> final RegionInfo regionInfo = RegionInfoBuilder.newBuilder(tableName).build();</span> |
| <span class="source-line-no">093</span><span id="line-93"> final RegionMetricsBuilder builder =</span> |
| <span class="source-line-no">094</span><span id="line-94"> RegionMetricsBuilder.newBuilder(regionInfo.getRegionName());</span> |
| <span class="source-line-no">095</span><span id="line-95"> for (final Method setter : setters.subList(0, 3)) {</span> |
| <span class="source-line-no">096</span><span id="line-96"> setter.invoke(builder, rand.nextLong());</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"> return builder.build();</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100">}</span> |
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| </pre> |
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