Ticket #49048: 49048.diff

new file tests/phpunit/tests/blocks/serialization.php

@@ +1 @@
+<?php
+/**
+ * Block serialization tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.3.3
+ */
+
+/**
+ * Tests for block serialization functions
+ *
+ * @since 5.3.3
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Serialization extends WP_UnitTestCase {
+
+        /**
+         * @dataProvider data_serialize_identity_from_parsed
+         */
+        function test_serialize_identity_from_parsed( $original ) {
+                $blocks = parse_blocks( $original );
+
+                $actual   = serialize_blocks( $blocks );
+                $expected = $original;
+
+                $this->assertEquals( $expected, $actual );
+        }
+
+        function data_serialize_identity_from_parsed() {
+                return array(
+                        // Void block.
+                        array( '<!-- wp:void /-->' ),
+
+                        // Freeform content ($block_name = null).
+                        array( 'Example.' ),
+
+                        // Block with content.
+                        array( '<!-- wp:content -->Example.<!-- /wp:content -->' ),
+
+                        // Block with attributes.
+                        array( '<!-- wp:attributes {"key":"value"} /-->' ),
+
+                        // Block with inner blocks.
+                        array( "<!-- wp:outer --><!-- wp:inner {\"key\":\"value\"} -->Example.<!-- /wp:inner -->\n\nExample.\n\n<!-- wp:void /--><!-- /wp:outer -->" ),
+
+                        // Block with attribute values that may conflict with HTML comment.
+                        array( '<!-- wp:attributes {"key":"\\u002d\\u002d\\u003c\\u003e\\u0026\\u0022"} /-->' ),
+                );
+        }
+
+        function test_serialized_block_name() {
+                $this->assertEquals( null, strip_core_block_namespace( null ) );
+                $this->assertEquals( 'example', strip_core_block_namespace( 'example' ) );
+                $this->assertEquals( 'example', strip_core_block_namespace( 'core/example' ) );
+                $this->assertEquals( 'plugin/example', strip_core_block_namespace( 'plugin/example' ) );
+        }
+
+}