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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>RecordingInputStreamTest xref</title><link type="text/css" rel="stylesheet" href="../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../apidocs/org/archive/io/RecordingInputStreamTest.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> RecordingInputStreamTest</em></em><a name="2" href="#2">2</a> <em class="comment"> *</em><a name="3" href="#3">3</a> <em class="comment"> * $Id: RecordingInputStreamTest.java 5080 2007-04-13 20:30:49Z gojomo $</em><a name="4" href="#4">4</a> <em class="comment"> *</em><a name="5" href="#5">5</a> <em class="comment"> * Created on Aug 1, 2005</em><a name="6" href="#6">6</a> <em class="comment"> *</em><a name="7" href="#7">7</a> <em class="comment"> * Copyright (C) 2005 Internet Archive.</em><a name="8" href="#8">8</a> <em class="comment"> *</em><a name="9" href="#9">9</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="10" href="#10">10</a> <em class="comment"> *</em><a name="11" href="#11">11</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="12" href="#12">12</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="13" href="#13">13</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="14" href="#14">14</a> <em class="comment"> * any later version.</em><a name="15" href="#15">15</a> <em class="comment"> *</em><a name="16" href="#16">16</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="17" href="#17">17</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="18" href="#18">18</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="19" href="#19">19</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="20" href="#20">20</a> <em class="comment"> *</em><a name="21" href="#21">21</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="22" href="#22">22</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="23" href="#23">23</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="24" href="#24">24</a> <em class="comment"> */</em><a name="25" href="#25">25</a> <strong>package</strong> <a href="../../../org/archive/io/package-summary.html">org.archive.io</a>;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <strong>import</strong> java.io.ByteArrayInputStream;<a name="28" href="#28">28</a> <strong>import</strong> java.io.ByteArrayOutputStream;<a name="29" href="#29">29</a> <strong>import</strong> java.io.File;<a name="30" href="#30">30</a> <strong>import</strong> java.io.IOException;<a name="31" href="#31">31</a> <strong>import</strong> java.io.PipedInputStream;<a name="32" href="#32">32</a> <strong>import</strong> java.io.PipedOutputStream;<a name="33" href="#33">33</a> <a name="34" href="#34">34</a> <strong>import</strong> org.archive.util.TmpDirTestCase;<a name="35" href="#35">35</a> <a name="36" href="#36">36</a> <a name="37" href="#37">37</a> <em>/**<em>*</em></em><a name="38" href="#38">38</a> <em> * Test cases for RecordingInputStream.</em><a name="39" href="#39">39</a> <em> *</em><a name="40" href="#40">40</a> <em> * @author gojomo</em><a name="41" href="#41">41</a> <em> */</em><a name="42" href="#42">42</a> <strong>public</strong> <strong>class</strong> <a href="../../../org/archive/io/RecordingInputStreamTest.html">RecordingInputStreamTest</a> <strong>extends</strong> <a href="../../../org/archive/util/TmpDirTestCase.html">TmpDirTestCase</a><a name="43" href="#43">43</a> {<a name="44" href="#44">44</a> <a name="45" href="#45">45</a> <a name="46" href="#46">46</a> <em class="comment">/*</em><a name="47" href="#47">47</a> <em class="comment"> * @see TmpDirTestCase#setUp()</em><a name="48" href="#48">48</a> <em class="comment"> */</em><a name="49" href="#49">49</a> <strong>protected</strong> <strong>void</strong> setUp() throws Exception<a name="50" href="#50">50</a> {<a name="51" href="#51">51</a> <strong>super</strong>.setUp();<a name="52" href="#52">52</a> }<a name="53" href="#53">53</a> <a name="54" href="#54">54</a> <em>/**<em>*</em></em><a name="55" href="#55">55</a> <em> * Test readFullyOrUntil soft (no exception) and hard (exception) </em><a name="56" href="#56">56</a> <em> * length cutoffs, timeout, and rate-throttling. </em><a name="57" href="#57">57</a> <em> * </em><a name="58" href="#58">58</a> <em> * @throws IOException</em><a name="59" href="#59">59</a> <em> * @throws InterruptedException</em><a name="60" href="#60">60</a> <em> * @throws RecorderTimeoutException</em><a name="61" href="#61">61</a> <em> */</em><a name="62" href="#62">62</a> <strong>public</strong> <strong>void</strong> testReadFullyOrUntil() throws RecorderTimeoutException, IOException, InterruptedException<a name="63" href="#63">63</a> {<a name="64" href="#64">64</a> <a href="../../../org/archive/io/RecordingInputStream.html">RecordingInputStream</a> ris = <strong>new</strong> <a href="../../../org/archive/io/RecordingInputStream.html">RecordingInputStream</a>(16384, (<strong>new</strong> File(<a name="65" href="#65">65</a> getTmpDir(), <span class="string">"testReadFullyOrUntil"</span>).getAbsolutePath()));<a name="66" href="#66">66</a> ByteArrayInputStream bais = <strong>new</strong> ByteArrayInputStream(<a name="67" href="#67">67</a> <span class="string">"abcdefghijklmnopqrstuvwxyz"</span>.getBytes());<a name="68" href="#68">68</a> <em class="comment">// test soft max</em><a name="69" href="#69">69</a> ris.open(bais);<a name="70" href="#70">70</a> ris.setLimits(10,0,0);<a name="71" href="#71">71</a> ris.readFullyOrUntil(7);<a name="72" href="#72">72</a> ris.close();<a name="73" href="#73">73</a> <a href="../../../org/archive/io/ReplayInputStream.html">ReplayInputStream</a> res = ris.getReplayInputStream();<a name="74" href="#74">74</a> ByteArrayOutputStream baos = <strong>new</strong> ByteArrayOutputStream();<a name="75" href="#75">75</a> res.readFullyTo(baos);<a name="76" href="#76">76</a> assertEquals(<span class="string">"soft max cutoff"</span>,<span class="string">"abcdefg"</span>,<strong>new</strong> String(baos.toByteArray()));<a name="77" href="#77">77</a> <em class="comment">// test hard max</em><a name="78" href="#78">78</a> bais.reset();<a name="79" href="#79">79</a> baos.reset();<a name="80" href="#80">80</a> ris.open(bais);<a name="81" href="#81">81</a> <strong>boolean</strong> exceptionThrown = false; <a name="82" href="#82">82</a> <strong>try</strong> {<a name="83" href="#83">83</a> ris.setLimits(10,0,0);<a name="84" href="#84">84</a> ris.readFullyOrUntil(13);<a name="85" href="#85">85</a> } <strong>catch</strong> (RecorderLengthExceededException ex) {<a name="86" href="#86">86</a> exceptionThrown = <strong>true</strong>;<a name="87" href="#87">87</a> }<a name="88" href="#88">88</a> assertTrue(<span class="string">"hard max exception"</span>,exceptionThrown);<a name="89" href="#89">89</a> ris.close();<a name="90" href="#90">90</a> res = ris.getReplayInputStream();<a name="91" href="#91">91</a> res.readFullyTo(baos);<a name="92" href="#92">92</a> assertEquals(<span class="string">"hard max cutoff"</span>,<span class="string">"abcdefghijk"</span>,<a name="93" href="#93">93</a> <strong>new</strong> String(baos.toByteArray()));<a name="94" href="#94">94</a> <em class="comment">// test timeout</em><a name="95" href="#95">95</a> PipedInputStream pin = <strong>new</strong> PipedInputStream(); <a name="96" href="#96">96</a> PipedOutputStream pout = <strong>new</strong> PipedOutputStream(pin); <a name="97" href="#97">97</a> ris.open(pin);<a name="98" href="#98">98</a> exceptionThrown = false; <a name="99" href="#99">99</a> trickle(<span class="string">"abcdefghijklmnopqrstuvwxyz"</span>.getBytes(),pout);<a name="100" href="#100">100</a> <strong>try</strong> {<a name="101" href="#101">101</a> ris.setLimits(0,5000,0);<a name="102" href="#102">102</a> ris.readFullyOrUntil(0);<a name="103" href="#103">103</a> } <strong>catch</strong> (RecorderTimeoutException ex) {<a name="104" href="#104">104</a> exceptionThrown = <strong>true</strong>;<a name="105" href="#105">105</a> }<a name="106" href="#106">106</a> assertTrue(<span class="string">"timeout exception"</span>,exceptionThrown);<a name="107" href="#107">107</a> ris.close();<a name="108" href="#108">108</a> <em class="comment">// test rate limit</em><a name="109" href="#109">109</a> bais = <strong>new</strong> ByteArrayInputStream(<strong>new</strong> byte[1024*2*5]);<a name="110" href="#110">110</a> ris.open(bais);<a name="111" href="#111">111</a> <strong>long</strong> startTime = System.currentTimeMillis();<a name="112" href="#112">112</a> ris.setLimits(0,0,2);<a name="113" href="#113">113</a> ris.readFullyOrUntil(0);<a name="114" href="#114">114</a> <strong>long</strong> endTime = System.currentTimeMillis(); <a name="115" href="#115">115</a> <strong>long</strong> duration = endTime - startTime; <a name="116" href="#116">116</a> assertTrue(<span class="string">"read too fast: "</span>+duration,duration>=5000);<a name="117" href="#117">117</a> ris.close();<a name="118" href="#118">118</a> }<a name="119" href="#119">119</a> <a name="120" href="#120">120</a> <strong>protected</strong> <strong>void</strong> trickle(<strong>final</strong> byte[] bytes, <strong>final</strong> PipedOutputStream pout) {<a name="121" href="#121">121</a> <strong>new</strong> Thread() {<a name="122" href="#122">122</a> <strong>public</strong> <strong>void</strong> run() {<a name="123" href="#123">123</a> <strong>try</strong> {<a name="124" href="#124">124</a> <strong>for</strong> (<strong>int</strong> i = 0; i < bytes.length; i++) {<a name="125" href="#125">125</a> Thread.sleep(1000);<a name="126" href="#126">126</a> pout.write(bytes[i]);<a name="127" href="#127">127</a> }<a name="128" href="#128">128</a> pout.close();<a name="129" href="#129">129</a> } <strong>catch</strong> (IOException e) {<a name="130" href="#130">130</a> <em class="comment">// do nothing</em><a name="131" href="#131">131</a> } <strong>catch</strong> (Exception e) {<a name="132" href="#132">132</a> System.err.print(e); <a name="133" href="#133">133</a> } <a name="134" href="#134">134</a> }<a name="135" href="#135">135</a> }.start();<a name="136" href="#136">136</a> <a name="137" href="#137">137</a> }<a name="138" href="#138">138</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>?? 快捷鍵說明
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