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<title>[61175] trunk/tests/phpunit/tests/block-supports/layout.php: Editor: update layout tests.</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/61175">61175</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/61175","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>isabel_brison</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2025-11-07 04:46:14 +0000 (Fri, 07 Nov 2025)</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'>Editor: update layout tests.
Adds a test for name spacing custom blocks in layout classnames.
Props rishabhwp, wildworks, isabel_brison.
Fixes <a href="https://core.trac.wordpress.org/ticket/63839">#63839</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunktestsphpunittestsblocksupportslayoutphp">trunk/tests/phpunit/tests/block-supports/layout.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunktestsphpunittestsblocksupportslayoutphp"></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/block-supports/layout.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/block-supports/layout.php 2025-11-07 04:27:45 UTC (rev 61174)
+++ trunk/tests/phpunit/tests/block-supports/layout.php 2025-11-07 04:46:14 UTC (rev 61175)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -637,4 +637,84 @@
</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">+
+ /**
+ * Tests that custom blocks include namespace in layout classnames.
+ *
+ * When layout support is enabled for custom blocks, the generated
+ * layout classname should include the full block namespace to ensure
+ * that CSS selectors match correctly.
+ *
+ * @ticket 63839
+ * @covers ::wp_render_layout_support_flag
+ *
+ * @dataProvider data_layout_classname_with_custom_blocks
+ */
+ public function test_layout_classname_includes_namespace_for_custom_blocks( $block_name, $layout_type, $expected_class, $should_not_contain ) {
+ switch_theme( 'default' );
+
+ register_block_type(
+ $block_name,
+ array(
+ 'supports' => array(
+ 'layout' => true,
+ ),
+ )
+ );
+
+ $block_content = '<div class="wp-block-test"><p>Content</p></div>';
+ $block = array(
+ 'blockName' => $block_name,
+ 'attrs' => array(
+ 'layout' => array(
+ 'type' => $layout_type,
+ ),
+ ),
+ );
+
+ $output = wp_render_layout_support_flag( $block_content, $block );
+
+ // Assert that the expected class is present.
+ $this->assertStringContainsString( $expected_class, $output );
+
+ // Assert that the old buggy class is not present.
+ $this->assertStringNotContainsString( $should_not_contain, $output );
+
+ // Clean up the registered block type.
+ unregister_block_type( $block_name );
+ }
+
+ /**
+ * Data provider for test_layout_classname_includes_namespace_for_custom_blocks.
+ *
+ * @return array
+ */
+ public function data_layout_classname_with_custom_blocks() {
+ return array(
+ 'custom block with constrained layout' => array(
+ 'block_name' => 'foo/bar',
+ 'layout_type' => 'constrained',
+ 'expected_class' => 'wp-block-foo-bar-is-layout-constrained',
+ 'should_not_contain' => 'wp-block-bar-is-layout-constrained',
+ ),
+ 'custom block with default layout' => array(
+ 'block_name' => 'foo/bar',
+ 'layout_type' => 'default',
+ 'expected_class' => 'wp-block-foo-bar-is-layout-flow',
+ 'should_not_contain' => 'wp-block-bar-is-layout-flow',
+ ),
+ 'custom block with flex layout' => array(
+ 'block_name' => 'foo/bar',
+ 'layout_type' => 'flex',
+ 'expected_class' => 'wp-block-foo-bar-is-layout-flex',
+ 'should_not_contain' => 'wp-block-bar-is-layout-flex',
+ ),
+ 'custom block with grid layout' => array(
+ 'block_name' => 'foo/bar',
+ 'layout_type' => 'grid',
+ 'expected_class' => 'wp-block-foo-bar-is-layout-grid',
+ 'should_not_contain' => 'wp-block-bar-is-layout-grid',
+ ),
+ );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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