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104<h1 id="unit-tests">Unit tests</h1>
105<h3 id="setup-your-environment-for-tests">Setup your environment for tests</h3>
106<p>The framework used is <a href="https://phpunit.de/">PHPUnit</a>; it can be installed with <a href="https://getcomposer.org/">Composer</a>, which is a dependency management tool.<a href=".html"></a></p>
107<p>Regarding Composer, you can either use:</p>
108<ul>
109<li>a system-wide version, e.g. installed through your distro's package manager</li>
110<li>a local version, downloadable <a href="https://getcomposer.org/download/">here</a><a href=".html"></a></li>
111</ul>
112<h4 id="sample-usage">Sample usage</h4>
113<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash"><span class="co"># system-wide version</span>
114$ <span class="ex">composer</span> install
115$ <span class="ex">composer</span> update
116
117<span class="co"># local version</span>
118$ <span class="ex">php</span> composer.phar self-update
119$ <span class="ex">php</span> composer.phar install
120$ <span class="ex">php</span> composer.phar update</code></pre></div>
121<h4 id="install-shaarli-dev-dependencies">Install Shaarli dev dependencies</h4>
122<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="bu">cd</span> /path/to/shaarli
123$ <span class="ex">composer</span> update</code></pre></div>
124<h4 id="install-and-enable-xdebug-to-generate-phpunit-coverage-reports">Install and enable Xdebug to generate PHPUnit coverage reports</h4>
125<p>For Debian-based distros:</p>
126<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">aptitude</span> install php5-xdebug</code></pre></div>
127<p>For ArchLinux:</p>
128<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">pacman</span> -S xdebug</code></pre></div>
129<p>Then add the following line to <code>/etc/php/php.ini</code>:</p>
130<div class="sourceCode"><pre class="sourceCode ini"><code class="sourceCode ini"><span class="dt">zend_extension</span><span class="ot">=</span><span class="st">xdebug.so</span></code></pre></div>
131<h4 id="run-unit-tests">Run unit tests</h4>
132<p>Successful test suite:</p>
133<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="fu">make</span> test
134
135<span class="ex">-------</span>
136<span class="ex">PHPUNIT</span>
137<span class="ex">-------</span>
138<span class="ex">PHPUnit</span> 4.6.9 by Sebastian Bergmann and contributors.
139
140<span class="ex">Configuration</span> read from /home/virtualtam/public_html/shaarli/phpunit.xml
141
142<span class="ex">....................................</span>
143
144<span class="ex">Time</span>: 759 ms, Memory: 8.25Mb
145
146<span class="ex">OK</span> (36 tests, 65 assertions)</code></pre></div>
147<p>Test suite with failures and errors:</p>
148<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="fu">make</span> test
149<span class="ex">-------</span>
150<span class="ex">PHPUNIT</span>
151<span class="ex">-------</span>
152<span class="ex">PHPUnit</span> 4.6.9 by Sebastian Bergmann and contributors.
153
154<span class="ex">Configuration</span> read from /home/virtualtam/public_html/shaarli/phpunit.xml
155
156<span class="ex">E..FF...............................</span>
157
158<span class="ex">Time</span>: 802 ms, Memory: 8.25Mb
159
160<span class="ex">There</span> was 1 error:
161
162<span class="ex">1</span>) <span class="ex">LinkDBTest</span>::testConstructLoggedIn
163<span class="ex">Missing</span> argument 2 for LinkDB::__construct(), <span class="ex">called</span> in /home/virtualtam/public_html/shaarli/tests/Link\
164DBTest.php on line 79 and defined
165
166<span class="ex">/home/virtualtam/public_html/shaarli/application</span>/LinkDB.php:<span class="ex">58</span>
167<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">79</span>
168
169<span class="ex">--</span>
170
171<span class="ex">There</span> were 2 failures:
172
173<span class="ex">1</span>) <span class="ex">LinkDBTest</span>::testCheckDBNew
174<span class="ex">Failed</span> asserting that two strings are equal.
175<span class="ex">---</span> Expected
176<span class="ex">+++</span> Actual
177<span class="ex">@@</span> @@
178<span class="ex">-</span><span class="st">&#39;e3edea8ea7bb50be4bcb404df53fbb4546a7156e&#39;</span>
179<span class="ex">+</span><span class="st">&#39;85eab0c610d4f68025f6ed6e6b6b5fabd4b55834&#39;</span>
180
181<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">121</span>
182
183<span class="ex">2</span>) <span class="ex">LinkDBTest</span>::testCheckDBLoad
184<span class="ex">Failed</span> asserting that two strings are equal.
185<span class="ex">---</span> Expected
186<span class="ex">+++</span> Actual
187<span class="ex">@@</span> @@
188<span class="ex">-</span><span class="st">&#39;e3edea8ea7bb50be4bcb404df53fbb4546a7156e&#39;</span>
189<span class="ex">+</span><span class="st">&#39;85eab0c610d4f68025f6ed6e6b6b5fabd4b55834&#39;</span>
190
191<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">133</span>
192
193<span class="ex">FAILURES</span>!
194<span class="ex">Tests</span>: 36, Assertions: 63, Errors: 1, Failures: 2.</code></pre></div>
195<h4 id="test-results-and-coverage">Test results and coverage</h4>
196<p>By default, PHPUnit will run all suitable tests found under the <code>tests</code> directory.</p>
197<p>Each test has 3 possible outcomes:</p>
198<ul>
199<li><code>.</code> - success</li>
200<li><code>F</code> - failure: the test was run but its results are invalid</li>
201<li>the code does not behave as expected</li>
202<li>dependencies to external elements: globals, session, cache...</li>
203<li><code>E</code> - error: something went wrong and the tested code has crashed</li>
204<li>typos in the code, or in the test code</li>
205<li>dependencies to missing external elements</li>
206</ul>
207<p>If Xdebug has been installed and activated, two coverage reports will be generated:</p>
208<ul>
209<li>a summary in the console</li>
210<li>a detailed HTML report with metrics for tested code</li>
211<li>to open it in a web browser: <code>firefox coverage/index.html &amp;</code></li>
212</ul>
213<h3 id="executing-specific-tests">Executing specific tests</h3>
214<p>Add a <a href="https://phpunit.de/manual/current/en/appendixes.annotations.html#appendixes.annotations.group"><code>@group</code></a> annotation in a test class or method comment:<a href=".html"></a></p>
215<div class="sourceCode"><pre class="sourceCode php"><code class="sourceCode php"><span class="co">/**</span>
216<span class="co"> * Netscape bookmark import</span>
217<span class="co"> * </span><span class="an">@group</span><span class="co"> WIP</span>
218<span class="co"> */</span>
219<span class="kw">class</span> BookmarkImportTest <span class="kw">extends</span> PHPUnit_Framework_TestCase
220{
221 <span class="ot">[</span><span class="st">...</span><span class="ot">][](</span>.html<span class="ot">)</span>
222}</code></pre></div>
223<p>To run all tests annotated with <code>@group WIP</code>:</p>
224<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">vendor/bin/phpunit</span> --group WIP tests/</code></pre></div>
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