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<a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.velocity.test;
<a name="2" href="#2">2</a>
<a name="3" href="#3">3</a> <em class="jxr_comment">/*</em>
<a name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<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>
<a name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<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>
<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>
<a name="13" href="#13">13</a> <em class="jxr_comment"> *</em>
<a name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a name="19" href="#19">19</a> <em class="jxr_comment"> * under the License. </em>
<a name="20" href="#20">20</a> <em class="jxr_comment"> */</em>
<a name="21" href="#21">21</a>
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.StringWriter;
<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="25" href="#25">25</a>
<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> junit.framework.Test;
<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> junit.framework.TestCase;
<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> junit.framework.TestSuite;
<a name="29" href="#29">29</a>
<a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.VelocityContext;
<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.app.VelocityEngine;
<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.exception.ParseErrorException;
<a name="33" href="#33">33</a>
<a name="34" href="#34">34</a> <em class="jxr_javadoccomment">/**</em>
<a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * More specific parser tests where just templating</em>
<a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * isn't enough.</em>
<a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> *</em>
<a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:geirm@apache.org" target="alexandria_uri">mailto:geirm@apache.org</a>"&gt;Geir Magnusson Jr.&lt;/a&gt;</em>
<a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * @version $Id: ParserTestCase.java 463298 2006-10-12 16:10:32Z henning $</em>
<a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> */</em>
<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/ParserTestCase.html">ParserTestCase</a> <strong class="jxr_keyword">extends</strong> TestCase
<a name="42" href="#42">42</a> {
<a name="43" href="#43">43</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/velocity/test/ParserTestCase.html">ParserTestCase</a>(String testName)
<a name="44" href="#44">44</a> {
<a name="45" href="#45">45</a> <strong class="jxr_keyword">super</strong>(testName);
<a name="46" href="#46">46</a> }
<a name="47" href="#47">47</a>
<a name="48" href="#48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Test suite()
<a name="49" href="#49">49</a> {
<a name="50" href="#50">50</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> TestSuite(ParserTestCase.<strong class="jxr_keyword">class</strong>);
<a name="51" href="#51">51</a> }
<a name="52" href="#52">52</a>
<a name="53" href="#53">53</a> <em class="jxr_javadoccomment">/**</em>
<a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * Test to make sure that using '=' in #if() throws a PEE</em>
<a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> */</em>
<a name="56" href="#56">56</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testEquals()
<a name="57" href="#57">57</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="58" href="#58">58</a> {
<a name="59" href="#59">59</a> VelocityEngine ve = <strong class="jxr_keyword">new</strong> VelocityEngine();
<a name="60" href="#60">60</a>
<a name="61" href="#61">61</a> ve.init();
<a name="62" href="#62">62</a>
<a name="63" href="#63">63</a> <em class="jxr_comment">/*</em>
<a name="64" href="#64">64</a> <em class="jxr_comment"> * this should parse fine -&gt; uses ==</em>
<a name="65" href="#65">65</a> <em class="jxr_comment"> */</em>
<a name="66" href="#66">66</a>
<a name="67" href="#67">67</a> String template = <span class="jxr_string">"#if($a == $b) foo #end"</span>;
<a name="68" href="#68">68</a>
<a name="69" href="#69">69</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="70" href="#70">70</a>
<a name="71" href="#71">71</a> <em class="jxr_comment">/*</em>
<a name="72" href="#72">72</a> <em class="jxr_comment"> * this should throw an exception</em>
<a name="73" href="#73">73</a> <em class="jxr_comment"> */</em>
<a name="74" href="#74">74</a>
<a name="75" href="#75">75</a> template = <span class="jxr_string">"#if($a = $b) foo #end"</span>;
<a name="76" href="#76">76</a>
<a name="77" href="#77">77</a> <strong class="jxr_keyword">try</strong>
<a name="78" href="#78">78</a> {
<a name="79" href="#79">79</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="80" href="#80">80</a> fail(<span class="jxr_string">"Could evaluate template with errors!"</span>);
<a name="81" href="#81">81</a> }
<a name="82" href="#82">82</a> <strong class="jxr_keyword">catch</strong>(ParseErrorException pe)
<a name="83" href="#83">83</a> {
<a name="84" href="#84">84</a> <em class="jxr_comment">// Do nothing</em>
<a name="85" href="#85">85</a> }
<a name="86" href="#86">86</a> }
<a name="87" href="#87">87</a>
<a name="88" href="#88">88</a> <em class="jxr_javadoccomment">/**</em>
<a name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * Test to see if we force the first arg to #macro() to be a word</em>
<a name="90" href="#90">90</a> <em class="jxr_javadoccomment"> */</em>
<a name="91" href="#91">91</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMacro()
<a name="92" href="#92">92</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="93" href="#93">93</a> {
<a name="94" href="#94">94</a> VelocityEngine ve = <strong class="jxr_keyword">new</strong> VelocityEngine();
<a name="95" href="#95">95</a>
<a name="96" href="#96">96</a> ve.init();
<a name="97" href="#97">97</a>
<a name="98" href="#98">98</a> <em class="jxr_comment">/*</em>
<a name="99" href="#99">99</a> <em class="jxr_comment"> * this should work</em>
<a name="100" href="#100">100</a> <em class="jxr_comment"> */</em>
<a name="101" href="#101">101</a>
<a name="102" href="#102">102</a> String template = <span class="jxr_string">"#macro(foo) foo #end"</span>;
<a name="103" href="#103">103</a>
<a name="104" href="#104">104</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="105" href="#105">105</a>
<a name="106" href="#106">106</a> <em class="jxr_comment">/*</em>
<a name="107" href="#107">107</a> <em class="jxr_comment"> * this should throw an exception</em>
<a name="108" href="#108">108</a> <em class="jxr_comment"> */</em>
<a name="109" href="#109">109</a>
<a name="110" href="#110">110</a> template = <span class="jxr_string">"#macro($x) foo #end"</span>;
<a name="111" href="#111">111</a>
<a name="112" href="#112">112</a> <strong class="jxr_keyword">try</strong>
<a name="113" href="#113">113</a> {
<a name="114" href="#114">114</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="115" href="#115">115</a> fail(<span class="jxr_string">"Could evaluate macro with errors!"</span>);
<a name="116" href="#116">116</a> }
<a name="117" href="#117">117</a> <strong class="jxr_keyword">catch</strong>(ParseErrorException pe)
<a name="118" href="#118">118</a> {
<a name="119" href="#119">119</a> <em class="jxr_comment">// Do nothing</em>
<a name="120" href="#120">120</a> }
<a name="121" href="#121">121</a> }
<a name="122" href="#122">122</a>
<a name="123" href="#123">123</a> <em class="jxr_javadoccomment">/**</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * Test to see if don't tolerage passing word tokens in anything but the</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * 0th arg to #macro() and the 1th arg to foreach()</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment"> */</em>
<a name="127" href="#127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testArgs()
<a name="128" href="#128">128</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="129" href="#129">129</a> {
<a name="130" href="#130">130</a> VelocityEngine ve = <strong class="jxr_keyword">new</strong> VelocityEngine();
<a name="131" href="#131">131</a>
<a name="132" href="#132">132</a> ve.init();
<a name="133" href="#133">133</a>
<a name="134" href="#134">134</a> <em class="jxr_comment">/*</em>
<a name="135" href="#135">135</a> <em class="jxr_comment"> * this should work</em>
<a name="136" href="#136">136</a> <em class="jxr_comment"> */</em>
<a name="137" href="#137">137</a>
<a name="138" href="#138">138</a> String template = <span class="jxr_string">"#macro(foo) foo #end"</span>;
<a name="139" href="#139">139</a>
<a name="140" href="#140">140</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="141" href="#141">141</a>
<a name="142" href="#142">142</a> <em class="jxr_comment">/*</em>
<a name="143" href="#143">143</a> <em class="jxr_comment"> * this should work - spaces intentional</em>
<a name="144" href="#144">144</a> <em class="jxr_comment"> */</em>
<a name="145" href="#145">145</a>
<a name="146" href="#146">146</a> template = <span class="jxr_string">"#foreach( $i in $woogie ) end #end"</span>;
<a name="147" href="#147">147</a>
<a name="148" href="#148">148</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="149" href="#149">149</a>
<a name="150" href="#150">150</a> <em class="jxr_comment">/*</em>
<a name="151" href="#151">151</a> <em class="jxr_comment"> * this should bomb</em>
<a name="152" href="#152">152</a> <em class="jxr_comment"> */</em>
<a name="153" href="#153">153</a>
<a name="154" href="#154">154</a> template = <span class="jxr_string">"#macro( foo $a) $a #end #foo(woogie)"</span>;
<a name="155" href="#155">155</a>
<a name="156" href="#156">156</a> <strong class="jxr_keyword">try</strong>
<a name="157" href="#157">157</a> {
<a name="158" href="#158">158</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="159" href="#159">159</a> fail(<span class="jxr_string">"Evaluation of macro with errors succeeded!"</span>);
<a name="160" href="#160">160</a> }
<a name="161" href="#161">161</a> <strong class="jxr_keyword">catch</strong>(ParseErrorException pe)
<a name="162" href="#162">162</a> {
<a name="163" href="#163">163</a> <em class="jxr_comment">// Do nothing</em>
<a name="164" href="#164">164</a> }
<a name="165" href="#165">165</a> }
<a name="166" href="#166">166</a>
<a name="167" href="#167">167</a> <em class="jxr_javadoccomment">/**</em>
<a name="168" href="#168">168</a> <em class="jxr_javadoccomment"> * Test to see if we toString is called multiple times on references.</em>
<a name="169" href="#169">169</a> <em class="jxr_javadoccomment"> */</em>
<a name="170" href="#170">170</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testASTReferenceToStringOnlyCalledOnce()
<a name="171" href="#171">171</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="172" href="#172">172</a> {
<a name="173" href="#173">173</a> VelocityEngine ve = <strong class="jxr_keyword">new</strong> VelocityEngine();
<a name="174" href="#174">174</a>
<a name="175" href="#175">175</a> ve.init();
<a name="176" href="#176">176</a>
<a name="177" href="#177">177</a> String template = <span class="jxr_string">"$counter"</span>;
<a name="178" href="#178">178</a>
<a name="179" href="#179">179</a> <a href="../../../../org/apache/velocity/test/ParserTestCase.html">ToStringCounter</a> counter = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/test/ParserTestCase.html">ToStringCounter</a>();
<a name="180" href="#180">180</a> Map m = <strong class="jxr_keyword">new</strong> HashMap();
<a name="181" href="#181">181</a> m.put(<span class="jxr_string">"counter"</span>, counter);
<a name="182" href="#182">182</a>
<a name="183" href="#183">183</a> ve.evaluate(<strong class="jxr_keyword">new</strong> VelocityContext(m), <strong class="jxr_keyword">new</strong> StringWriter(), <span class="jxr_string">"foo"</span>, template);
<a name="184" href="#184">184</a>
<a name="185" href="#185">185</a> assertEquals(1, counter.timesCalled);
<a name="186" href="#186">186</a> }
<a name="187" href="#187">187</a>
<a name="188" href="#188">188</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/ParserTestCase.html">ToStringCounter</a> {
<a name="189" href="#189">189</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> timesCalled = 0;
<a name="190" href="#190">190</a> <strong class="jxr_keyword">public</strong> String toString() {
<a name="191" href="#191">191</a> <strong class="jxr_keyword">this</strong>.timesCalled++;
<a name="192" href="#192">192</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">"foo"</span>;
<a name="193" href="#193">193</a> }
<a name="194" href="#194">194</a> }
<a name="195" href="#195">195</a>
<a name="196" href="#196">196</a> }
</pre>
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