feat: field validation, term resolution, post guard and revision points

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
2026-09-25 22:29:15 +02:00
parent 98a910f056
commit 95aae74466
11 changed files with 748 additions and 0 deletions
@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit\Integrations\WordPress\Schema;
+
+use Brain\Monkey\Functions;
+use LIT\MCP\Integrations\WordPress\Schema\TermAssigner;
+use LIT\MCP\Tests\Unit\TestCase;
+use RuntimeException;
+use WP_Error;
+use WP_Term;
+
+final class TermAssignerTest extends TestCase
+{
+    private function stubTaxonomies(bool $mayEditTerms = true, bool $mayAssign = true): void
+    {
+        Functions\when('get_object_taxonomies')->justReturn(['category', 'post_tag']);
+        Functions\when('get_taxonomy')->justReturn((object) [
+            'cap' => (object) ['assign_terms' => 'assign_categories', 'edit_terms' => 'manage_categories'],
+        ]);
+        Functions\when('current_user_can')->alias(static fn (string $cap): bool => match ($cap) {
+            'assign_categories' => $mayAssign,
+            'manage_categories' => $mayEditTerms,
+            default => false,
+        });
+        Functions\when('get_term')->alias(static fn (int $id) => $id === 4 ? new WP_Term(['term_id' => 4]) : null);
+        Functions\when('term_exists')->alias(
+            static fn (string $name) => $name === 'News' ? ['term_id' => '9', 'term_taxonomy_id' => '9'] : null
+        );
+    }
+
+    public function testResolvesIdsExistingNamesAndNewNames(): void
+    {
+        $this->stubTaxonomies();
+
+        $result = (new TermAssigner())->resolve('post', ['category' => [4, 'News', 'Neu']]);
+
+        self::assertSame([], $result['errors']);
+        self::assertSame(['category' => [4, 9, 'Neu']], $result['terms']);
+    }
+
+    public function testReportsForeignTaxonomyMissingIdsAndMissingRights(): void
+    {
+        $this->stubTaxonomies(false);
+
+        $result = (new TermAssigner())->resolve('post', [
+            'genre' => [1],
+            'category' => [77],
+            'post_tag' => ['Unbekannt'],
+        ]);
+
+        self::assertSame('Taxonomie gehört nicht zu diesem Inhaltstyp.', $result['errors']['genre']);
+        self::assertSame('Begriff 77 existiert nicht.', $result['errors']['category']);
+        self::assertStringContainsString('keine Berechtigung', $result['errors']['post_tag']);
+    }
+
+    public function testAssignRightsAreRequired(): void
+    {
+        $this->stubTaxonomies(true, false);
+
+        $result = (new TermAssigner())->resolve('post', ['category' => [4]]);
+
+        self::assertSame('Keine Berechtigung, Begriffe dieser Taxonomie zuzuweisen.', $result['errors']['category']);
+    }
+
+    public function testAssignCreatesNewTermsAndReplacesTheAssignment(): void
+    {
+        Functions\expect('wp_insert_term')->once()->with('Neu', 'category')->andReturn(['term_id' => 15]);
+        Functions\expect('wp_set_object_terms')->once()->with(5, [4, 15], 'category', false)->andReturn([4, 15]);
+
+        (new TermAssigner())->assign(5, ['category' => [4, 'Neu']]);
+    }
+
+    public function testAssignFailureThrows(): void
+    {
+        Functions\when('wp_set_object_terms')->justReturn(new WP_Error('x', 'kaputt'));
+
+        $this->expectException(RuntimeException::class);
+
+        (new TermAssigner())->assign(5, ['category' => [4]]);
+    }
+}