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<title>[50653] trunk: REST API: Correct `enum` validation for numeric values.</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/50653">50653</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/50653","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-04-04 18:05:10 +0000 (Sun, 04 Apr 2021)</dd>
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<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: Correct `enum` validation for numeric values.
When validating `enum` values as `integer` or `number`, consider a number with a zero fractional part to be equivalent to an integer of the same value.
In `rest_are_values_equal()`, when comparing two values of type `int` or `float` (in any combination), first cast both of them to `float` and then compare.
This matches some test cases from the official JSON Schema test suite.
Follow-up to <a href="https://core.trac.wordpress.org/changeset/50010">[50010]</a>.
Props yakimun, stefanjoebstl, TimothyBlynJacobs, rachelbaker.
Fixes <a href="https://core.trac.wordpress.org/ticket/52932">#52932</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiphp">trunk/src/wp-includes/rest-api.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestschemavalidationphp">trunk/tests/phpunit/tests/rest-api/rest-schema-validation.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/rest-api.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api.php 2021-04-04 16:47:48 UTC (rev 50652)
+++ trunk/src/wp-includes/rest-api.php 2021-04-04 18:05:10 UTC (rev 50653)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1926,6 +1926,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return true;
</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">+ if ( is_int( $value1 ) && is_float( $value2 )
+ || is_float( $value1 ) && is_int( $value2 )
+ ) {
+ return (float) $value1 === (float) $value2;
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> return $value1 === $value2;
</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="trunktestsphpunittestsrestapirestschemavalidationphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-schema-validation.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-schema-validation.php 2021-04-04 16:47:48 UTC (rev 50652)
+++ trunk/tests/phpunit/tests/rest-api/rest-schema-validation.php 2021-04-04 18:05:10 UTC (rev 50653)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -250,6 +250,7 @@
</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"> * @ticket 51911
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @ticket 52932
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @dataProvider data_different_types_of_value_and_enum_elements
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -305,6 +306,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> true,
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 1,
+ array(
+ 'type' => 'integer',
+ 'enum' => array( 0.0, 1.0 ),
+ ),
+ true,
+ ),
+ array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 1.0,
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'type' => 'integer',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -379,6 +388,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> true,
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 1,
+ array(
+ 'type' => 'number',
+ 'enum' => array( 0, 1 ),
+ ),
+ true,
+ ),
+ array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 1.0,
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'type' => 'number',
</span></span></pre>
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