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<title>[43766] branches/5.0/tests/phpunit: REST API: Ensure rest_url() consistently has leading slash.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/43766">43766</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/43766","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>danielbachhuber</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-10-19 11:13:57 +0000 (Fri, 19 Oct 2018)</dd>
</dl>

<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>REST API: Ensure rest_url() consistently has leading slash.

`rest_url()` inconsistent addes slashes to the passed path depending on whether the site has pretty permalinks enabled. Apart from being inconsistent, this also caused the unit tests to fail when pretty permalinks are enabled.

Props frank-klein.
Merges <a href="https://core.trac.wordpress.org/changeset/42250">[42250]</a> to the 5.0 branch.
Partially reverts <a href="https://core.trac.wordpress.org/changeset/43720">[43720]</a>.
Fixes <a href="https://core.trac.wordpress.org/ticket/42452">#42452</a>. See <a href="https://core.trac.wordpress.org/ticket/41451">#41451</a>, <a href="https://core.trac.wordpress.org/ticket/45017">#45017</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branches50srcwpincludesrestapiphp">branches/5.0/src/wp-includes/rest-api.php</a></li>
<li><a href="#branches50testsphpunitincludestestcaserestcontrollerphp">branches/5.0/tests/phpunit/includes/testcase-rest-controller.php</a></li>
<li><a href="#branches50testsphpunittestsrestapiphp">branches/5.0/tests/phpunit/tests/rest-api.php</a></li>
</ul>

<h3>Property Changed</h3>
<ul>
<li><a href="#branches50">branches/5.0/</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/5.0
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/5.0 2018-10-19 10:50:20 UTC (rev 43765)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/5.0  2018-10-19 11:13:57 UTC (rev 43766)
</ins><a id="branches50"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/5.0</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.9:43557
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42256-42261,42350,42354,42358,42362,42364-42368,42374,42388,42390,42401,42405,42417,42421,42423-42425,42430,42432-42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595,42598-42599,42602,42604,42606,42611-42613,42615,42617,42624-42625,42639,42642,42648,42652-42653,42665,42676,42687,42695,42697,42701-42702,42711,42713,42719,42722,42726,42728,42733,42739-42740,42744,42758,42772,42791-42792,42801,42814-42815,42817-42818,42823,42830,42837,42839,42841,42844,42851-42852
 ,42860,42862,42864,42878-42879,42881,42888-42889,42892-42894,42930,42964,42967,42971-42972,42977-42978,42980-42982,42985-42987,42989,42992,42994-42995,42998-42999,43001-43004,43007-43008,43011-43012,43014-43015,43025,43027,43030,43032,43034,43036,43039,43042,43044-43049,43051-43063,43065,43081,43085,43087-43089,43091,43104,43116,43118,43120-43121,43123,43125-43126,43131-43132,43135,43137,43139,43145-43148,43150,43154-43155,43158,43160,43162,43166,43168,43170,43172,43175,43180-43181,43183-43185,43189,43191,43193,43195,43197,43199,43201,43203,43206,43208,43210-43212,43216,43218,43220,43222-43223,43226,43228,43230,43232,43234,43236,43238,43242-43243,43245-43246,43248-43251,43256,43259-43260,43263,43265,43267,43269,43274-43275,43278-43279,43282,43284,43286,43290,43293,43299,43303-43304,43313,43315,43317,43331,43337,43343,43350,43353,43356,43361-43363,43365,43367,43370-43371,43373-43376,43379,43388,43390,43435,43437,43439-43440,43446-43447,43451,43454,43457,43460,43462-43467,43469,43471,
 43475,43477-43478,43480,43486,43491,43493,43495,43499,43504,43506,43508,43511-43513,43518,43525,43527,43529,43531,43541,43550,43559,43567,43574,43580,43584-43586,43593,43597,43599,43601,43605,43609,43636,43638,43645,43647,43653,43664,43673
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42250-42251,42256-42261,42350,42354,42358,42362,42364-42368,42374,42388,42390,42401,42405,42417,42421,42423-42425,42430,42432-42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595,42598-42599,42602,42604,42606,42611-42613,42615,42617,42624-42625,42639,42642,42648,42652-42653,42665,42676,42687,42695,42697,42701-42702,42711,42713,42719,42722,42726,42728,42733,42739-42740,42744,42758,42772,42791-42792,42801,42814-42815,42817-42818,42823,42830,42837,42839,42841,42844,42851
 -42852,42860,42862,42864,42878-42879,42881,42888-42889,42892-42894,42930,42964,42967,42971-42972,42977-42978,42980-42982,42985-42987,42989,42992,42994-42995,42998-42999,43001-43004,43007-43008,43011-43012,43014-43015,43025,43027,43030,43032,43034,43036,43039,43042,43044-43049,43051-43063,43065,43081,43085,43087-43089,43091,43104,43116,43118,43120-43121,43123,43125-43126,43131-43132,43135,43137,43139,43145-43148,43150,43154-43155,43158,43160,43162,43166,43168,43170,43172,43175,43180-43181,43183-43185,43189,43191,43193,43195,43197,43199,43201,43203,43206,43208,43210-43212,43216,43218,43220,43222-43223,43226,43228,43230,43232,43234,43236,43238,43242-43243,43245-43246,43248-43251,43256,43259-43260,43263,43265,43267,43269,43274-43275,43278-43279,43282,43284,43286,43290,43293,43299,43303-43304,43313,43315,43317,43331,43337,43343,43350,43353,43356,43361-43363,43365,43367,43370-43371,43373-43376,43379,43388,43390,43435,43437,43439-43440,43446-43447,43451,43454,43457,43460,43462-43467,43469,
 43471,43475,43477-43478,43480,43486,43491,43493,43495,43499,43504,43506,43508,43511-43513,43518,43525,43527,43529,43531,43541,43550,43559,43567,43574,43580,43584-43586,43593,43597,43599,43601,43605,43609,43636,43638,43645,43647,43653,43664,43673
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches50srcwpincludesrestapiphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/src/wp-includes/rest-api.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/src/wp-includes/rest-api.php 2018-10-19 10:50:20 UTC (rev 43765)
+++ branches/5.0/src/wp-includes/rest-api.php   2018-10-19 11:13:57 UTC (rev 43766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -325,6 +325,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $path = '/';
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        $path = '/' . ltrim( $path, '/' );
+
</ins><span class="cx" style="display: block; padding: 0 10px">         if ( is_multisite() && get_blog_option( $blog_id, 'permalink_structure' ) || get_option( 'permalink_structure' ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                global $wp_rewrite;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -334,7 +336,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $url = get_home_url( $blog_id, rest_get_url_prefix(), $scheme );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $url .= '/' . ltrim( $path, '/' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $url .= $path;
</ins><span class="cx" style="display: block; padding: 0 10px">         } else {
</span><span class="cx" style="display: block; padding: 0 10px">                $url = trailingslashit( get_home_url( $blog_id, '', $scheme ) );
</span><span class="cx" style="display: block; padding: 0 10px">                // nginx only allows HTTP/1.0 methods when redirecting from / to /index.php
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -343,8 +345,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $url .= 'index.php';
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $path = '/' . ltrim( $path, '/' );
-
</del><span class="cx" style="display: block; padding: 0 10px">                 $url = add_query_arg( 'rest_route', $path, $url );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="branches50testsphpunitincludestestcaserestcontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/tests/phpunit/includes/testcase-rest-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/tests/phpunit/includes/testcase-rest-controller.php  2018-10-19 10:50:20 UTC (rev 43765)
+++ branches/5.0/tests/phpunit/includes/testcase-rest-controller.php    2018-10-19 11:13:57 UTC (rev 43766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -40,7 +40,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        abstract public function test_get_item_schema();
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        public function filter_rest_url_for_leading_slash( $url, $path ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( is_multisite() || get_option( 'permalink_structure' ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( is_multisite() ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         return $url;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="branches50testsphpunittestsrestapiphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/tests/phpunit/tests/rest-api.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/tests/phpunit/tests/rest-api.php     2018-10-19 10:50:20 UTC (rev 43765)
+++ branches/5.0/tests/phpunit/tests/rest-api.php       2018-10-19 11:13:57 UTC (rev 43766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -488,6 +488,33 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        /**
+        * @ticket 42452
+        */
+       public function test_always_prepend_path_with_slash_in_rest_url_filter() {
+               $filter = new MockAction();
+               add_filter( 'rest_url', array( $filter, 'filter' ), 10, 2 );
+
+               // Passing no path should return a slash.
+               get_rest_url();
+               $args = $filter->get_args();
+               $this->assertEquals( '/', $args[0][1] );
+               $filter->reset();
+
+               // Paths without a prepended slash should have one added.
+               get_rest_url( null, 'wp/media/' );
+               $args = $filter->get_args();
+               $this->assertEquals( '/wp/media/', $args[0][1] );
+               $filter->reset();
+
+               // Do not modify paths with a prepended slash.
+               get_rest_url( null, '/wp/media/' );
+               $args = $filter->get_args();
+               $this->assertEquals( '/wp/media/', $args[0][1] );
+
+               unset( $filter );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function jsonp_callback_provider() {
</span><span class="cx" style="display: block; padding: 0 10px">                return array(
</span><span class="cx" style="display: block; padding: 0 10px">                        // Standard names
</span></span></pre>
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