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<title>[26972] trunk: Unit tests for get_url_in_content().</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/26972">26972</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2014-01-17 07:46:33 +0000 (Fri, 17 Jan 2014)</dd>
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<h3>Log Message</h3>
<pre>Unit tests for get_url_in_content(). Return false when no content is passed, to match the return value of no links being found.

props mdbitz.
<a href="http://core.trac.wordpress.org/ticket/26171">#26171</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesformattingphp">trunk/src/wp-includes/formatting.php</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunktestsphpunittestsformattingGetUrlInContentphp">trunk/tests/phpunit/tests/formatting/GetUrlInContent.php</a></li>
</ul>

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<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesformattingphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/formatting.php (26971 => 26972)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/formatting.php     2014-01-17 04:13:18 UTC (rev 26971)
+++ trunk/src/wp-includes/formatting.php        2014-01-17 07:46:33 UTC (rev 26972)
</span><span class="lines">@@ -3770,11 +3770,13 @@
</span><span class="cx">  * @return string The found URL.
</span><span class="cx">  */
</span><span class="cx"> function get_url_in_content( $content ) {
</span><del>-       if ( empty( $content ) )
-               return '';
</del><ins>+        if ( empty( $content ) ) {
+               return false;
+       }
</ins><span class="cx"> 
</span><del>-       if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) )
</del><ins>+        if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) ) {
</ins><span class="cx">           return esc_url_raw( $matches[2] );
</span><ins>+       }
</ins><span class="cx"> 
</span><span class="cx">  return false;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunktestsphpunittestsformattingGetUrlInContentphp"></a>
<div class="addfile"><h4>Added: trunk/tests/phpunit/tests/formatting/GetUrlInContent.php (0 => 26972)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/tests/phpunit/tests/formatting/GetUrlInContent.php                         (rev 0)
+++ trunk/tests/phpunit/tests/formatting/GetUrlInContent.php    2014-01-17 07:46:33 UTC (rev 26972)
</span><span class="lines">@@ -0,0 +1,49 @@
</span><ins>+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_GetUrlInContent extends WP_UnitTestCase {
+       
+       /**
+        * URL Content Data Provider
+        *
+        * array ( input_txt, converted_output_txt )
+        */
+       public function get_input_output() {
+               return array (
+                       array (
+                               "",
+                               false
+                       ), //empty content
+                       array (
+                               "<div>NO URL CONTENT</div>",
+                               false
+                       ), //no URLs
+                       array (
+                               '<div href="/relative.php">NO URL CONTENT</div>',
+                               false
+                       ), // ignore none link elements
+                       array (
+                               'ABC<div><a href="/relative.php">LINK</a> CONTENT</div>',
+                               "/relative.php"
+                       ), // single link
+                       array (
+                               'ABC<div><a href="/relative.php">LINK</a> CONTENT <a href="/suppress.php">LINK</a></div>',
+                               "/relative.php"
+                       ), // multiple links
+                       array (
+                               'ABC<div><a href="http://example.com/Mr%20WordPress 2">LINK</a> CONTENT </div>',
+                               "http://example.com/Mr%20WordPress2"
+                       ), // escape link
+               );
+       }
+
+       /**
+        * Validate the get_url_in_content function
+        * @dataProvider get_input_output
+        */
+       function test_get_url_in_content( $in_str, $exp_str ) {
+               $this->assertEquals($exp_str, get_url_in_content( $in_str ) );
+       }
+}
</ins></span></pre>
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