add tests

tests/phpunit/tests/blocks/wpBlockMetadataRegistry.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * Tests for WP_Block_Metadata_Registry class.
+ *
+ * @group blocks
+ */
+class Tests_Blocks_WpBlockMetadataRegistry extends WP_UnitTestCase {
+
+	private $temp_manifest_file;
+
+	public function set_up() {
+		parent::set_up();
+		$this->temp_manifest_file = wp_tempnam( 'block-metadata-manifest' );
+	}
+
+	public function tear_down() {
+		unlink( $this->temp_manifest_file );
+		parent::tear_down();
+	}
+
+	public function test_register_collection_and_get_metadata() {
+		$path = '/test/path';
+		$manifest_data = array(
+			'test-block' => array(
+				'name'  => 'test-block',
+				'title' => 'Test Block',
+			),
+		);
+
+		file_put_contents( $this->temp_manifest_file, '<?php return ' . var_export( $manifest_data, true ) . ';' );
+
+		WP_Block_Metadata_Registry::register_collection( $path, $this->temp_manifest_file );
+
+		$retrieved_metadata = WP_Block_Metadata_Registry::get_metadata( $path, 'test-block' );
+		$this->assertEquals( $manifest_data['test-block'], $retrieved_metadata );
+	}
+
+	public function test_get_nonexistent_metadata() {
+		$path = '/nonexistent/path';
+		$retrieved_metadata = WP_Block_Metadata_Registry::get_metadata( $path, 'nonexistent-block' );
+		$this->assertNull( $retrieved_metadata );
+	}
+
+	public function test_has_metadata() {
+		$path = '/another/test/path';
+		$manifest_data = array(
+			'existing-block' => array(
+				'name'  => 'existing-block',
+				'title' => 'Existing Block',
+			),
+		);
+
+		file_put_contents( $this->temp_manifest_file, '<?php return ' . var_export( $manifest_data, true ) . ';' );
+
+		WP_Block_Metadata_Registry::register_collection( $path, $this->temp_manifest_file );
+
+		$this->assertTrue( WP_Block_Metadata_Registry::has_metadata( $path, 'existing-block' ) );
+		$this->assertFalse( WP_Block_Metadata_Registry::has_metadata( $path, 'non-existing-block' ) );
+	}
+}