[github/shaarli/Shaarli.git] / doc / Unit-tests.html

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<h1 id="unit-tests">Unit tests</h1>
<h3 id="setup-your-environment-for-tests">Setup your environment for tests</h3>
<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>
<p>Regarding Composer, you can either use:</p>
<ul>
<li>a system-wide version, e.g. installed through your distro's package manager</li>
<li>a local version, downloadable <a href="https://getcomposer.org/download/">here</a><a href=".html"></a></li>
</ul>
<h4 id="sample-usage">Sample usage</h4>
<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash"><span class="co"># system-wide version</span>
$ <span class="ex">composer</span> install
$ <span class="ex">composer</span> update

<span class="co"># local version</span>
$ <span class="ex">php</span> composer.phar self-update
$ <span class="ex">php</span> composer.phar install
$ <span class="ex">php</span> composer.phar update</code></pre></div>
<h4 id="install-shaarli-dev-dependencies">Install Shaarli dev dependencies</h4>
<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="bu">cd</span> /path/to/shaarli
$ <span class="ex">composer</span> update</code></pre></div>
<h4 id="install-and-enable-xdebug-to-generate-phpunit-coverage-reports">Install and enable Xdebug to generate PHPUnit coverage reports</h4>
<p>For Debian-based distros:</p>
<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">aptitude</span> install php5-xdebug</code></pre></div>
<p>For ArchLinux:</p>
<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">pacman</span> -S xdebug</code></pre></div>
<p>Then add the following line to <code>/etc/php/php.ini</code>:</p>
<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>
<h4 id="run-unit-tests">Run unit tests</h4>
<p>Successful test suite:</p>
<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="fu">make</span> test

<span class="ex">-------</span>
<span class="ex">PHPUNIT</span>
<span class="ex">-------</span>
<span class="ex">PHPUnit</span> 4.6.9 by Sebastian Bergmann and contributors.

<span class="ex">Configuration</span> read from /home/virtualtam/public_html/shaarli/phpunit.xml

<span class="ex">....................................</span>

<span class="ex">Time</span>: 759 ms, Memory: 8.25Mb

<span class="ex">OK</span> (36 tests, 65 assertions)</code></pre></div>
<p>Test suite with failures and errors:</p>
<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="fu">make</span> test
<span class="ex">-------</span>
<span class="ex">PHPUNIT</span>
<span class="ex">-------</span>
<span class="ex">PHPUnit</span> 4.6.9 by Sebastian Bergmann and contributors.

<span class="ex">Configuration</span> read from /home/virtualtam/public_html/shaarli/phpunit.xml

<span class="ex">E..FF...............................</span>

<span class="ex">Time</span>: 802 ms, Memory: 8.25Mb

<span class="ex">There</span> was 1 error:

<span class="ex">1</span>) <span class="ex">LinkDBTest</span>::testConstructLoggedIn
<span class="ex">Missing</span> argument 2 for LinkDB::__construct(), <span class="ex">called</span> in /home/virtualtam/public_html/shaarli/tests/Link\
DBTest.php on line 79 and defined

<span class="ex">/home/virtualtam/public_html/shaarli/application</span>/LinkDB.php:<span class="ex">58</span>
<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">79</span>

<span class="ex">--</span>

<span class="ex">There</span> were 2 failures:

<span class="ex">1</span>) <span class="ex">LinkDBTest</span>::testCheckDBNew
<span class="ex">Failed</span> asserting that two strings are equal.
<span class="ex">---</span> Expected
<span class="ex">+++</span> Actual
<span class="ex">@@</span> @@
<span class="ex">-</span><span class="st">&#39;e3edea8ea7bb50be4bcb404df53fbb4546a7156e&#39;</span>
<span class="ex">+</span><span class="st">&#39;85eab0c610d4f68025f6ed6e6b6b5fabd4b55834&#39;</span>

<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">121</span>

<span class="ex">2</span>) <span class="ex">LinkDBTest</span>::testCheckDBLoad
<span class="ex">Failed</span> asserting that two strings are equal.
<span class="ex">---</span> Expected
<span class="ex">+++</span> Actual
<span class="ex">@@</span> @@
<span class="ex">-</span><span class="st">&#39;e3edea8ea7bb50be4bcb404df53fbb4546a7156e&#39;</span>
<span class="ex">+</span><span class="st">&#39;85eab0c610d4f68025f6ed6e6b6b5fabd4b55834&#39;</span>

<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">133</span>

<span class="ex">FAILURES</span>!
<span class="ex">Tests</span>: 36, Assertions: 63, Errors: 1, Failures: 2.</code></pre></div>
<h4 id="test-results-and-coverage">Test results and coverage</h4>
<p>By default, PHPUnit will run all suitable tests found under the <code>tests</code> directory.</p>
<p>Each test has 3 possible outcomes:</p>
<ul>
<li><code>.</code> - success</li>
<li><code>F</code> - failure: the test was run but its results are invalid</li>
<li>the code does not behave as expected</li>
<li>dependencies to external elements: globals, session, cache...</li>
<li><code>E</code> - error: something went wrong and the tested code has crashed</li>
<li>typos in the code, or in the test code</li>
<li>dependencies to missing external elements</li>
</ul>
<p>If Xdebug has been installed and activated, two coverage reports will be generated:</p>
<ul>
<li>a summary in the console</li>
<li>a detailed HTML report with metrics for tested code</li>
<li>to open it in a web browser: <code>firefox coverage/index.html &amp;</code></li>
</ul>
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5409ade2	7	<title>Shaarli – Unit tests</title>
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992af0b9 V	52	<div id="local-sidebar">
	53	<ul>
	54	<li><a href="Home.html">Home</a></li>
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992af0b9	56	<ul>
fdf88d19 A	57	<li><a href="Download-and-Installation.html">Download and Installation</a></li>
fdf88d19 A	58	<li><a href="Upgrade-and-migration.html">Upgrade and migration</a></li>
992af0b9 V	59	<li><a href="Server-requirements.html">Server requirements</a></li>
992af0b9 V	60	<li><a href="Server-configuration.html">Server configuration</a></li>
5409ade2	61	<li><a href="Server-security.html">Server security</a></li>
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992af0b9	64	</ul></li>
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	72	</ul></li>
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6335a0fc	79	<li><a href="Datastore-hacks.html">Datastore hacks</a></li>
992af0b9 V	80	</ul></li>
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	101	</div>
	102	<h1 id="unit-tests">Unit tests</h1>
da9b0e3e	103	<h3 id="setup-your-environment-for-tests">Setup your environment for tests</h3>
992af0b9	104	<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>
da9b0e3e	105	<p>Regarding Composer, you can either use:</p>
da9b0e3e	106	<ul>
992af0b9 V	107	<li>a system-wide version, e.g. installed through your distro's package manager</li>
992af0b9 V	108	<li>a local version, downloadable <a href="https://getcomposer.org/download/">here</a><a href=".html"></a></li>
da9b0e3e	109	</ul>
da9b0e3e	110	<h4 id="sample-usage">Sample usage</h4>
5409ade2	111	<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash"><span class="co"># system-wide version</span>
fdf88d19 A	112	$ <span class="ex">composer</span> install
fdf88d19 A	113	$ <span class="ex">composer</span> update
da9b0e3e	114
da9b0e3e	115	<span class="co"># local version</span>
fdf88d19 A	116	$ <span class="ex">php</span> composer.phar self-update
	117	$ <span class="ex">php</span> composer.phar install
	118	$ <span class="ex">php</span> composer.phar update</code></pre></div>
da9b0e3e	119	<h4 id="install-shaarli-dev-dependencies">Install Shaarli dev dependencies</h4>
fdf88d19 A	120	<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="bu">cd</span> /path/to/shaarli
fdf88d19 A	121	$ <span class="ex">composer</span> update</code></pre></div>
da9b0e3e	122	<h4 id="install-and-enable-xdebug-to-generate-phpunit-coverage-reports">Install and enable Xdebug to generate PHPUnit coverage reports</h4>
da9b0e3e	123	<p>For Debian-based distros:</p>
fdf88d19	124	<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">aptitude</span> install php5-xdebug</code></pre></div>
da9b0e3e	125	<p>For ArchLinux:</p>
fdf88d19	126	<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">pacman</span> -S xdebug</code></pre></div>
da9b0e3e	127	<p>Then add the following line to <code>/etc/php/php.ini</code>:</p>
5409ade2	128	<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>
da9b0e3e	129	<h4 id="run-unit-tests">Run unit tests</h4>
da9b0e3e	130	<p>Successful test suite:</p>
fdf88d19	131	<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="fu">make</span> test
da9b0e3e	132
fdf88d19 A	133	<span class="ex">-------</span>
	134	<span class="ex">PHPUNIT</span>
	135	<span class="ex">-------</span>
	136	<span class="ex">PHPUnit</span> 4.6.9 by Sebastian Bergmann and contributors.
da9b0e3e	137
fdf88d19	138	<span class="ex">Configuration</span> read from /home/virtualtam/public_html/shaarli/phpunit.xml
da9b0e3e	139
fdf88d19	140	<span class="ex">....................................</span>
da9b0e3e	141
fdf88d19	142	<span class="ex">Time</span>: 759 ms, Memory: 8.25Mb
da9b0e3e	143
fdf88d19	144	<span class="ex">OK</span> (36 tests, 65 assertions)</code></pre></div>
da9b0e3e	145	<p>Test suite with failures and errors:</p>
fdf88d19 A	146	<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="fu">make</span> test
	147	<span class="ex">-------</span>
	148	<span class="ex">PHPUNIT</span>
	149	<span class="ex">-------</span>
	150	<span class="ex">PHPUnit</span> 4.6.9 by Sebastian Bergmann and contributors.
da9b0e3e	151
fdf88d19	152	<span class="ex">Configuration</span> read from /home/virtualtam/public_html/shaarli/phpunit.xml
da9b0e3e	153
fdf88d19	154	<span class="ex">E..FF...............................</span>
da9b0e3e	155
fdf88d19	156	<span class="ex">Time</span>: 802 ms, Memory: 8.25Mb
da9b0e3e	157
fdf88d19	158	<span class="ex">There</span> was 1 error:
da9b0e3e	159
fdf88d19 A	160	<span class="ex">1</span>) <span class="ex">LinkDBTest</span>::testConstructLoggedIn
fdf88d19 A	161	<span class="ex">Missing</span> argument 2 for LinkDB::__construct(), <span class="ex">called</span> in /home/virtualtam/public_html/shaarli/tests/Link\
992af0b9	162	DBTest.php on line 79 and defined
da9b0e3e	163
fdf88d19 A	164	<span class="ex">/home/virtualtam/public_html/shaarli/application</span>/LinkDB.php:<span class="ex">58</span>
fdf88d19 A	165	<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">79</span>
da9b0e3e	166
fdf88d19	167	<span class="ex">--</span>
da9b0e3e	168
fdf88d19	169	<span class="ex">There</span> were 2 failures:
da9b0e3e	170
fdf88d19 A	171	<span class="ex">1</span>) <span class="ex">LinkDBTest</span>::testCheckDBNew
	172	<span class="ex">Failed</span> asserting that two strings are equal.
	173	<span class="ex">---</span> Expected
	174	<span class="ex">+++</span> Actual
	175	<span class="ex">@@</span> @@
	176	<span class="ex">-</span><span class="st">'e3edea8ea7bb50be4bcb404df53fbb4546a7156e'</span>
	177	<span class="ex">+</span><span class="st">'85eab0c610d4f68025f6ed6e6b6b5fabd4b55834'</span>
da9b0e3e	178
fdf88d19	179	<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">121</span>
da9b0e3e	180
fdf88d19 A	181	<span class="ex">2</span>) <span class="ex">LinkDBTest</span>::testCheckDBLoad
	182	<span class="ex">Failed</span> asserting that two strings are equal.
	183	<span class="ex">---</span> Expected
	184	<span class="ex">+++</span> Actual
	185	<span class="ex">@@</span> @@
	186	<span class="ex">-</span><span class="st">'e3edea8ea7bb50be4bcb404df53fbb4546a7156e'</span>
	187	<span class="ex">+</span><span class="st">'85eab0c610d4f68025f6ed6e6b6b5fabd4b55834'</span>
da9b0e3e	188
fdf88d19	189	<span class="ex">/home/virtualtam/public_html/shaarli/tests</span>/LinkDBTest.php:<span class="ex">133</span>
da9b0e3e	190
fdf88d19 A	191	<span class="ex">FAILURES</span>!
fdf88d19 A	192	<span class="ex">Tests</span>: 36, Assertions: 63, Errors: 1, Failures: 2.</code></pre></div>
da9b0e3e	193	<h4 id="test-results-and-coverage">Test results and coverage</h4>
	194	<p>By default, PHPUnit will run all suitable tests found under the <code>tests</code> directory.</p>
	195	<p>Each test has 3 possible outcomes:</p>
	196	<ul>
992af0b9 V	197	<li><code>.</code> - success</li>
	198	<li><code>F</code> - failure: the test was run but its results are invalid</li>
	199	<li>the code does not behave as expected</li>
	200	<li>dependencies to external elements: globals, session, cache...</li>
	201	<li><code>E</code> - error: something went wrong and the tested code has crashed</li>
	202	<li>typos in the code, or in the test code</li>
da9b0e3e	203	<li>dependencies to missing external elements</li>
	204	</ul>
	205	<p>If Xdebug has been installed and activated, two coverage reports will be generated:</p>
	206	<ul>
992af0b9 V	207	<li>a summary in the console</li>
992af0b9 V	208	<li>a detailed HTML report with metrics for tested code</li>
da9b0e3e	209	<li>to open it in a web browser: <code>firefox coverage/index.html &</code></li>
	210	</ul>
	211	</body>
	212	</html>