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| <a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.velocity.test;
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| <a name="2" href="#2">2</a>
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| <a name="3" href="#3">3</a> <em class="jxr_comment">/*</em>
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| <a name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
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| <a name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
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| <a name="6" href="#6">6</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
|
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
|
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
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| <a name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
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| <a name="10" href="#10">10</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
|
| <a name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
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| <a name="12" href="#12">12</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
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| <a name="13" href="#13">13</a> <em class="jxr_comment"> *</em>
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| <a name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
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| <a name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
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| <a name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
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| <a name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
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| <a name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
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| <a name="19" href="#19">19</a> <em class="jxr_comment"> * under the License. </em>
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| <a name="20" href="#20">20</a> <em class="jxr_comment"> */</em>
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| <a name="21" href="#21">21</a>
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| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.StringWriter;
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| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
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| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;
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| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.List;
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| <a name="26" href="#26">26</a>
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| <a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> junit.framework.TestCase;
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| <a name="28" href="#28">28</a>
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| <a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.VelocityContext;
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| <a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.app.Velocity;
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| <a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.runtime.RuntimeConstants;
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| <a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.test.misc.TestLogChute;
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| <a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.test.provider.ForeachMethodCallHelper;
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| <a name="34" href="#34">34</a>
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| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * This class tests the Foreach loop.</em>
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| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> *</em>
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| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * @author Daniel Rall</em>
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| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:wglass@apache.org" target="alexandria_uri">mailto:wglass@apache.org</a>">Will Glass-Husain</a></em>
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| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">ForeachTestCase</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/velocity/test/BaseEvalTestCase.html">BaseEvalTestCase</a>
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| <a name="42" href="#42">42</a> {
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| <a name="43" href="#43">43</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">ForeachTestCase</a>(String name)
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| <a name="44" href="#44">44</a> {
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| <a name="45" href="#45">45</a> <strong class="jxr_keyword">super</strong>(name);
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| <a name="46" href="#46">46</a> }
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| <a name="47" href="#47">47</a>
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| <a name="48" href="#48">48</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * Tests limiting of the number of loop iterations.</em>
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| <a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="51" href="#51">51</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMaxNbrLoopsConstraint()
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| <a name="52" href="#52">52</a> <strong class="jxr_keyword">throws</strong> Exception
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| <a name="53" href="#53">53</a> {
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| <a name="54" href="#54">54</a> <em class="jxr_comment">// Limit the loop to three iterations.</em>
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| <a name="55" href="#55">55</a> engine.setProperty(RuntimeConstants.MAX_NUMBER_LOOPS,
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| <a name="56" href="#56">56</a> <strong class="jxr_keyword">new</strong> Integer(3));
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| <a name="57" href="#57">57</a>
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| <a name="58" href="#58">58</a> assertEvalEquals(<span class="jxr_string">"1 2 3 "</span>, <span class="jxr_string">"#foreach ($item in [1..10])$item #end"</span>);
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| <a name="59" href="#59">59</a> }
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| <a name="60" href="#60">60</a>
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| <a name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * Tests proper method execution during a Foreach loop over a Collection</em>
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| <a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * with items of varying classes.</em>
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| <a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="65" href="#65">65</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCollectionAndMethodCall()
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| <a name="66" href="#66">66</a> <strong class="jxr_keyword">throws</strong> Exception
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| <a name="67" href="#67">67</a> {
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| <a name="68" href="#68">68</a> List col = <strong class="jxr_keyword">new</strong> ArrayList();
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| <a name="69" href="#69">69</a> col.add(<strong class="jxr_keyword">new</strong> Integer(100));
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| <a name="70" href="#70">70</a> col.add(<span class="jxr_string">"STRVALUE"</span>);
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| <a name="71" href="#71">71</a> context.put(<span class="jxr_string">"helper"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/test/provider/ForeachMethodCallHelper.html">ForeachMethodCallHelper</a>());
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| <a name="72" href="#72">72</a> context.put(<span class="jxr_string">"col"</span>, col);
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| <a name="73" href="#73">73</a>
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| <a name="74" href="#74">74</a> assertEvalEquals(<span class="jxr_string">"int 100 str STRVALUE "</span>, <span class="jxr_string">"#foreach ( $item in $col )$helper.getFoo($item) #end"</span>);
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| <a name="75" href="#75">75</a> }
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| <a name="76" href="#76">76</a>
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| <a name="77" href="#77">77</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * Tests that #foreach will be able to retrieve an iterator from</em>
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| <a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * an arbitrary object that happens to have an iterator() method.</em>
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| <a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * (With the side effect of supporting the new Java 5 Iterable interface)</em>
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| <a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="82" href="#82">82</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testObjectWithIteratorMethod()
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| <a name="83" href="#83">83</a> <strong class="jxr_keyword">throws</strong> Exception
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| <a name="84" href="#84">84</a> {
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| <a name="85" href="#85">85</a> context.put(<span class="jxr_string">"iterable"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">MyIterable</a>());
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| <a name="86" href="#86">86</a>
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| <a name="87" href="#87">87</a> assertEvalEquals(<span class="jxr_string">"1 2 3 "</span>, <span class="jxr_string">"#foreach ($i in $iterable)$i #end"</span>);
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| <a name="88" href="#88">88</a> }
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| <a name="89" href="#89">89</a>
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| <a name="90" href="#90">90</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testNotReallyIterableIteratorMethod()
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| <a name="91" href="#91">91</a> <strong class="jxr_keyword">throws</strong> Exception
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| <a name="92" href="#92">92</a> {
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| <a name="93" href="#93">93</a> context.put(<span class="jxr_string">"nri"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">NotReallyIterable</a>());
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| <a name="94" href="#94">94</a>
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| <a name="95" href="#95">95</a> assertEvalEquals(<span class="jxr_string">""</span>, <span class="jxr_string">"#foreach ($i in $nri)$i #end"</span>);
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| <a name="96" href="#96">96</a> }
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| <a name="97" href="#97">97</a>
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| <a name="98" href="#98">98</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testVelocityHasNextProperty()
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| <a name="99" href="#99">99</a> <strong class="jxr_keyword">throws</strong> Exception
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| <a name="100" href="#100">100</a> {
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| <a name="101" href="#101">101</a> List list = <strong class="jxr_keyword">new</strong> ArrayList();
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| <a name="102" href="#102">102</a> list.add(<span class="jxr_string">"test1"</span>);
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| <a name="103" href="#103">103</a> list.add(<span class="jxr_string">"test2"</span>);
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| <a name="104" href="#104">104</a> list.add(<span class="jxr_string">"test3"</span>);
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| <a name="105" href="#105">105</a> context.put(<span class="jxr_string">"list"</span>, list);
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| <a name="106" href="#106">106</a> assertEvalEquals(<span class="jxr_string">"test1 SEPARATOR test2 SEPARATOR test3 "</span>, <span class="jxr_string">"#foreach ($value in $list)$value #if( $velocityHasNext )SEPARATOR #end#end"</span>);
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| <a name="107" href="#107">107</a> }
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| <a name="108" href="#108">108</a>
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| <a name="109" href="#109">109</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testNestedVelocityHasNextProperty()
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| <a name="110" href="#110">110</a> <strong class="jxr_keyword">throws</strong> Exception
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| <a name="111" href="#111">111</a> {
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| <a name="112" href="#112">112</a> List list = <strong class="jxr_keyword">new</strong> ArrayList();
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| <a name="113" href="#113">113</a> list.add(<span class="jxr_string">"test1"</span>);
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| <a name="114" href="#114">114</a> list.add(<span class="jxr_string">"test2"</span>);
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| <a name="115" href="#115">115</a> list.add(<span class="jxr_string">"test3"</span>);
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| <a name="116" href="#116">116</a> list.add(<span class="jxr_string">"test4"</span>);
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| <a name="117" href="#117">117</a> context.put(<span class="jxr_string">"list"</span>, list);
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| <a name="118" href="#118">118</a> List list2 = <strong class="jxr_keyword">new</strong> ArrayList();
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| <a name="119" href="#119">119</a> list2.add(<span class="jxr_string">"a1"</span>);
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| <a name="120" href="#120">120</a> list2.add(<span class="jxr_string">"a2"</span>);
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| <a name="121" href="#121">121</a> list2.add(<span class="jxr_string">"a3"</span>);
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| <a name="122" href="#122">122</a> context.put(<span class="jxr_string">"list2"</span>, list2);
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| <a name="123" href="#123">123</a>
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| <a name="124" href="#124">124</a> assertEvalEquals(<span class="jxr_string">"test1 (a1;a2;a3)-test2 (a1;a2;a3)-test3 (a1;a2;a3)-test4 (a1;a2;a3)"</span>, <span class="jxr_string">"#foreach ($value in $list)$value (#foreach ($val in $list2)$val#if( $velocityHasNext );#end#end)#if( $velocityHasNext )-#end#end"</span>);
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| <a name="125" href="#125">125</a> }
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| <a name="126" href="#126">126</a>
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| <a name="127" href="#127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">MyIterable</a>
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| <a name="128" href="#128">128</a> {
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| <a name="129" href="#129">129</a> <strong class="jxr_keyword">private</strong> List foo;
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| <a name="130" href="#130">130</a>
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| <a name="131" href="#131">131</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">MyIterable</a>()
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| <a name="132" href="#132">132</a> {
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| <a name="133" href="#133">133</a> foo = <strong class="jxr_keyword">new</strong> ArrayList();
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| <a name="134" href="#134">134</a> foo.add(<strong class="jxr_keyword">new</strong> Integer(1));
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| <a name="135" href="#135">135</a> foo.add(<strong class="jxr_keyword">new</strong> Long(2));
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| <a name="136" href="#136">136</a> foo.add(<span class="jxr_string">"3"</span>);
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| <a name="137" href="#137">137</a> }
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| <a name="138" href="#138">138</a>
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| <a name="139" href="#139">139</a> <strong class="jxr_keyword">public</strong> Iterator iterator()
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| <a name="140" href="#140">140</a> {
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| <a name="141" href="#141">141</a> <strong class="jxr_keyword">return</strong> foo.iterator();
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| <a name="142" href="#142">142</a> }
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| <a name="143" href="#143">143</a> }
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| <a name="144" href="#144">144</a>
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| <a name="145" href="#145">145</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/velocity/test/ForeachTestCase.html">NotReallyIterable</a>
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| <a name="146" href="#146">146</a> {
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| <a name="147" href="#147">147</a> <strong class="jxr_keyword">public</strong> Object iterator()
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| <a name="148" href="#148">148</a> {
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| <a name="149" href="#149">149</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Object();
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| <a name="150" href="#150">150</a> }
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| <a name="151" href="#151">151</a> }
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| <a name="152" href="#152">152</a>
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| <a name="153" href="#153">153</a> }
|
| </pre> |
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