feat: content schema with registered and sampled meta fields

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
2026-09-25 22:04:04 +02:00
parent 261972751f
commit b3f4b7ba65
9 changed files with 600 additions and 0 deletions
@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit\Integrations\WordPress\Schema;
+
+use Brain\Monkey\Functions;
+use LIT\MCP\Integrations\WordPress\Schema\FieldDefinition;
+use LIT\MCP\Integrations\WordPress\Schema\RegisteredMetaSource;
+use LIT\MCP\Tests\Unit\TestCase;
+
+final class RegisteredMetaSourceTest extends TestCase
+{
+    /** @return array<string, array<string, mixed>> */
+    private function fieldsByKey(): array
+    {
+        Functions\when('get_registered_meta_keys')->alias(static function (string $type, string $sub = ''): array {
+            if ($sub === '') {
+                return ['footnotes' => ['type' => 'string', 'single' => true, 'show_in_rest' => true]];
+            }
+
+            return [
+                '_internal' => ['type' => 'integer', 'single' => true, 'show_in_rest' => false],
+                'tags_list' => ['type' => 'array', 'single' => false, 'description' => 'Liste'],
+            ];
+        });
+        Functions\when('is_protected_meta')->alias(static fn (string $key): bool => str_starts_with($key, '_'));
+
+        $fields = (new RegisteredMetaSource())->fieldsFor('event');
+
+        return array_column(array_map(static fn (FieldDefinition $f): array => $f->toArray(), $fields), null, 'key');
+    }
+
+    public function testDescribesGlobalAndSubtypeMetaKeys(): void
+    {
+        $fields = $this->fieldsByKey();
+
+        self::assertSame(['footnotes', '_internal', 'tags_list'], array_keys($fields));
+        self::assertSame('string', $fields['footnotes']['type']);
+        self::assertSame(FieldDefinition::WRITABLE, $fields['footnotes']['status']);
+        self::assertSame('meta', $fields['footnotes']['source']);
+        self::assertFalse($fields['footnotes']['multiple']);
+    }
+
+    public function testProtectedMetaHiddenFromRestIsReadonly(): void
+    {
+        $fields = $this->fieldsByKey();
+
+        self::assertSame(FieldDefinition::READONLY, $fields['_internal']['status']);
+        self::assertSame('integer', $fields['_internal']['type']);
+    }
+
+    public function testNonSingleMetaIsMultiple(): void
+    {
+        $fields = $this->fieldsByKey();
+
+        self::assertTrue($fields['tags_list']['multiple']);
+        self::assertSame('Liste', $fields['tags_list']['description']);
+    }
+
+    public function testReadUsesSingleOrMultipleMeta(): void
+    {
+        Functions\expect('get_post_meta')->once()->with(5, 'footnotes', true)->andReturn('x');
+        Functions\expect('get_post_meta')->once()->with(5, 'tags_list', false)->andReturn(['a', 'b']);
+        $source = new RegisteredMetaSource();
+
+        self::assertSame('x', $source->read(5, new FieldDefinition('footnotes', 'footnotes', 'string', 'meta', 'writable')));
+        self::assertSame(
+            ['a', 'b'],
+            $source->read(5, new FieldDefinition('tags_list', 'tags_list', 'array', 'meta', 'writable', false, true))
+        );
+    }
+
+    public function testWriteUpdatesReplacesListsAndDeletesNull(): void
+    {
+        $single = new FieldDefinition('footnotes', 'footnotes', 'string', 'meta', 'writable');
+        $multi = new FieldDefinition('tags_list', 'tags_list', 'array', 'meta', 'writable', false, true);
+        $gone = new FieldDefinition('old', 'old', 'string', 'meta', 'writable');
+        Functions\expect('update_post_meta')->once()->with(5, 'footnotes', 'neu');
+        Functions\expect('delete_post_meta')->once()->with(5, 'tags_list');
+        Functions\expect('add_post_meta')->once()->with(5, 'tags_list', 'a');
+        Functions\expect('add_post_meta')->once()->with(5, 'tags_list', 'b');
+        Functions\expect('delete_post_meta')->once()->with(5, 'old');
+
+        (new RegisteredMetaSource())->write(
+            5,
+            'event',
+            ['footnotes' => 'neu', 'tags_list' => ['a', 'b'], 'old' => null],
+            ['footnotes' => $single, 'tags_list' => $multi, 'old' => $gone]
+        );
+    }
+}