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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.mapreduce;</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.mockito.ArgumentMatchers.any;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.mockito.ArgumentMatchers.eq;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.mockito.Mockito.doNothing;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.mockito.Mockito.verify;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">import java.io.IOException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Collection;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.List;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Map;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Objects;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.Before;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.ClassRule;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.Test;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.mockito.Mockito;</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hbase.thirdparty.com.google.common.collect.Lists;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.com.google.common.collect.Maps;</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({ SmallTests.class })</span> |
| <span class="source-line-no">050</span><span id="line-50">public class TestMultiTableSnapshotInputFormatImpl {</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 CLASS_RULE =</span> |
| <span class="source-line-no">054</span><span id="line-54"> HBaseClassTestRule.forClass(TestMultiTableSnapshotInputFormatImpl.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 MultiTableSnapshotInputFormatImpl subject;</span> |
| <span class="source-line-no">057</span><span id="line-57"> private Map<String, Collection<Scan>> snapshotScans;</span> |
| <span class="source-line-no">058</span><span id="line-58"> private Path restoreDir;</span> |
| <span class="source-line-no">059</span><span id="line-59"> private Configuration conf;</span> |
| <span class="source-line-no">060</span><span id="line-60"> private Path rootDir;</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> @Before</span> |
| <span class="source-line-no">063</span><span id="line-63"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">064</span><span id="line-64"> this.subject = Mockito.spy(new MultiTableSnapshotInputFormatImpl());</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> // mock out restoreSnapshot</span> |
| <span class="source-line-no">067</span><span id="line-67"> // TODO: this is kind of meh; it'd be much nicer to just inject the RestoreSnapshotHelper</span> |
| <span class="source-line-no">068</span><span id="line-68"> // dependency into the</span> |
| <span class="source-line-no">069</span><span id="line-69"> // input format. However, we need a new RestoreSnapshotHelper per snapshot in the current</span> |
| <span class="source-line-no">070</span><span id="line-70"> // design, and it *also*</span> |
| <span class="source-line-no">071</span><span id="line-71"> // feels weird to introduce a RestoreSnapshotHelperFactory and inject that, which would</span> |
| <span class="source-line-no">072</span><span id="line-72"> // probably be the more "pure"</span> |
| <span class="source-line-no">073</span><span id="line-73"> // way of doing things. This is the lesser of two evils, perhaps?</span> |
| <span class="source-line-no">074</span><span id="line-74"> doNothing().when(this.subject).restoreSnapshot(any(), any(), any(), any(), any());</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> this.conf = new Configuration();</span> |
| <span class="source-line-no">077</span><span id="line-77"> this.rootDir = new Path("file:///test-root-dir");</span> |
| <span class="source-line-no">078</span><span id="line-78"> CommonFSUtils.setRootDir(conf, rootDir);</span> |
| <span class="source-line-no">079</span><span id="line-79"> this.snapshotScans = ImmutableMap.<String, Collection<Scan>> of("snapshot1",</span> |
| <span class="source-line-no">080</span><span id="line-80"> ImmutableList.of(new Scan().withStartRow(Bytes.toBytes("1")).withStopRow(Bytes.toBytes("2"))),</span> |
| <span class="source-line-no">081</span><span id="line-81"> "snapshot2",</span> |
| <span class="source-line-no">082</span><span id="line-82"> ImmutableList.of(new Scan().withStartRow(Bytes.toBytes("3")).withStopRow(Bytes.toBytes("4")),</span> |
| <span class="source-line-no">083</span><span id="line-83"> new Scan().withStartRow(Bytes.toBytes("5")).withStopRow(Bytes.toBytes("6"))));</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> this.restoreDir = new Path(CommonFSUtils.getRootDir(conf), "restore-dir");</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> public void callSetInput() throws IOException {</span> |
| <span class="source-line-no">090</span><span id="line-90"> subject.setInput(this.conf, snapshotScans, restoreDir);</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> |
| <span class="source-line-no">093</span><span id="line-93"> public Map<String, Collection<ScanWithEquals>></span> |
| <span class="source-line-no">094</span><span id="line-94"> toScanWithEquals(Map<String, Collection<Scan>> snapshotScans) throws IOException {</span> |
| <span class="source-line-no">095</span><span id="line-95"> Map<String, Collection<ScanWithEquals>> rtn = Maps.newHashMap();</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> for (Map.Entry<String, Collection<Scan>> entry : snapshotScans.entrySet()) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> List<ScanWithEquals> scans = Lists.newArrayList();</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> for (Scan scan : entry.getValue()) {</span> |
| <span class="source-line-no">101</span><span id="line-101"> scans.add(new ScanWithEquals(scan));</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"> rtn.put(entry.getKey(), scans);</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> return rtn;</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> public static class ScanWithEquals {</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> private final String startRow;</span> |
| <span class="source-line-no">112</span><span id="line-112"> private final String stopRow;</span> |
| <span class="source-line-no">113</span><span id="line-113"></span> |
| <span class="source-line-no">114</span><span id="line-114"> /**</span> |
| <span class="source-line-no">115</span><span id="line-115"> * Creates a new instance of this class while copying all values.</span> |
| <span class="source-line-no">116</span><span id="line-116"> * @param scan The scan instance to copy from.</span> |
| <span class="source-line-no">117</span><span id="line-117"> * @throws java.io.IOException When copying the values fails.</span> |
| <span class="source-line-no">118</span><span id="line-118"> */</span> |
| <span class="source-line-no">119</span><span id="line-119"> public ScanWithEquals(Scan scan) throws IOException {</span> |
| <span class="source-line-no">120</span><span id="line-120"> this.startRow = Bytes.toStringBinary(scan.getStartRow());</span> |
| <span class="source-line-no">121</span><span id="line-121"> this.stopRow = Bytes.toStringBinary(scan.getStopRow());</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> @Override</span> |
| <span class="source-line-no">125</span><span id="line-125"> public boolean equals(Object obj) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> if (!(obj instanceof ScanWithEquals)) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> return false;</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> ScanWithEquals otherScan = (ScanWithEquals) obj;</span> |
| <span class="source-line-no">130</span><span id="line-130"> return Objects.equals(this.startRow, otherScan.startRow)</span> |
| <span class="source-line-no">131</span><span id="line-131"> && Objects.equals(this.stopRow, otherScan.stopRow);</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> @Override</span> |
| <span class="source-line-no">135</span><span id="line-135"> public int hashCode() {</span> |
| <span class="source-line-no">136</span><span id="line-136"> return Objects.hash(startRow, stopRow);</span> |
| <span class="source-line-no">137</span><span id="line-137"> }</span> |
| <span class="source-line-no">138</span><span id="line-138"></span> |
| <span class="source-line-no">139</span><span id="line-139"> @Override</span> |
| <span class="source-line-no">140</span><span id="line-140"> public String toString() {</span> |
| <span class="source-line-no">141</span><span id="line-141"> return org.apache.hbase.thirdparty.com.google.common.base.MoreObjects.toStringHelper(this)</span> |
| <span class="source-line-no">142</span><span id="line-142"> .add("startRow", startRow).add("stopRow", stopRow).toString();</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> @Test</span> |
| <span class="source-line-no">147</span><span id="line-147"> public void testSetInputSetsSnapshotToScans() throws Exception {</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> callSetInput();</span> |
| <span class="source-line-no">150</span><span id="line-150"></span> |
| <span class="source-line-no">151</span><span id="line-151"> Map<String, Collection<Scan>> actual = subject.getSnapshotsToScans(conf);</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> // convert to scans we can use .equals on</span> |
| <span class="source-line-no">154</span><span id="line-154"> Map<String, Collection<ScanWithEquals>> actualWithEquals = toScanWithEquals(actual);</span> |
| <span class="source-line-no">155</span><span id="line-155"> Map<String, Collection<ScanWithEquals>> expectedWithEquals = toScanWithEquals(snapshotScans);</span> |
| <span class="source-line-no">156</span><span id="line-156"></span> |
| <span class="source-line-no">157</span><span id="line-157"> assertEquals(expectedWithEquals, actualWithEquals);</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> @Test</span> |
| <span class="source-line-no">161</span><span id="line-161"> public void testSetInputPushesRestoreDirectories() throws Exception {</span> |
| <span class="source-line-no">162</span><span id="line-162"> callSetInput();</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> Map<String, Path> restoreDirs = subject.getSnapshotDirs(conf);</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> assertEquals(this.snapshotScans.keySet(), restoreDirs.keySet());</span> |
| <span class="source-line-no">167</span><span id="line-167"> }</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> @Test</span> |
| <span class="source-line-no">170</span><span id="line-170"> public void testSetInputCreatesRestoreDirectoriesUnderRootRestoreDir() throws Exception {</span> |
| <span class="source-line-no">171</span><span id="line-171"> callSetInput();</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> Map<String, Path> restoreDirs = subject.getSnapshotDirs(conf);</span> |
| <span class="source-line-no">174</span><span id="line-174"></span> |
| <span class="source-line-no">175</span><span id="line-175"> for (Path snapshotDir : restoreDirs.values()) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> assertEquals("Expected " + snapshotDir + " to be a child of " + restoreDir, restoreDir,</span> |
| <span class="source-line-no">177</span><span id="line-177"> snapshotDir.getParent());</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> @Test</span> |
| <span class="source-line-no">182</span><span id="line-182"> public void testSetInputRestoresSnapshots() throws Exception {</span> |
| <span class="source-line-no">183</span><span id="line-183"> callSetInput();</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> Map<String, Path> snapshotDirs = subject.getSnapshotDirs(conf);</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> for (Map.Entry<String, Path> entry : snapshotDirs.entrySet()) {</span> |
| <span class="source-line-no">188</span><span id="line-188"> verify(this.subject).restoreSnapshot(eq(this.conf), eq(entry.getKey()), eq(this.rootDir),</span> |
| <span class="source-line-no">189</span><span id="line-189"> eq(entry.getValue()), any());</span> |
| <span class="source-line-no">190</span><span id="line-190"> }</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192">}</span> |
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