Control characters removed by kses (wp_kses_no_null: C0, \\0 sequences) or ControlChars (DEL) could hide a divi/* delimiter or an et_pb shortcode from the raw-input check. The shared DiviMarkup helper checks the raw and the normalized form and now guards every raw-content path: content-create/-update content and media-update description (attachment post_content). MediaImporter logs import failures with scheme, host, port and path only; uninstall.php lists the removed user meta. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
286 lines
13 KiB
PHP
286 lines
13 KiB
PHP
<?php
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declare(strict_types=1);
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namespace LIT\MCP\Tests\Unit\Integrations\Media;
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use Brain\Monkey\Functions;
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use LIT\MCP\Abilities\WriteFailed;
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use LIT\MCP\ChangeLog\ChangeLog;
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use LIT\MCP\Integrations\Media\MediaUpdateAbility;
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use LIT\MCP\Tests\Support\FakeChangeLog;
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use LIT\MCP\Tests\Unit\TestCase;
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use RuntimeException;
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use WP_Error;
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use WP_Post;
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final class MediaUpdateAbilityTest extends TestCase
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{
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/** @var list<array<string, mixed>> */
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private array $postUpdates = [];
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/** @var list<array{int, string}> */
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private array $altUpdates = [];
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protected function setUp(): void
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{
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parent::setUp();
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$this->postUpdates = [];
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$this->altUpdates = [];
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$posts = [
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33 => new WP_Post(['ID' => 33, 'post_type' => 'attachment', 'post_status' => 'inherit', 'post_title' => 'Foto',
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'post_excerpt' => 'Alt-Unterschrift', 'post_modified_gmt' => '2026-09-25 08:00:00']),
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34 => new WP_Post(['ID' => 34, 'post_type' => 'attachment', 'post_status' => 'inherit', 'post_title' => 'Logo',
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'post_modified_gmt' => '2026-09-25 09:00:00']),
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35 => new WP_Post(['ID' => 35, 'post_type' => 'attachment', 'post_status' => 'trash', 'post_title' => 'Alt']),
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5 => new WP_Post(['ID' => 5, 'post_type' => 'page', 'post_title' => 'Seite']),
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];
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Functions\when('get_post')->alias(static fn ($id) => $posts[(int) $id] ?? null);
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Functions\when('current_user_can')->justReturn(true);
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Functions\when('wp_kses_post')->alias(static fn ($value): string => strip_tags((string) $value, '<a><em><strong>'));
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Functions\when('metadata_exists')->justReturn(true);
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Functions\when('get_post_meta')->justReturn('alter Alt-Text');
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Functions\when('wp_update_post')->alias(function (array $data, bool $wpError) {
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$this->postUpdates[] = $data;
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return (int) $data['ID'];
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});
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Functions\when('update_post_meta')->alias(function (int $id, string $key, $value) {
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$this->altUpdates[] = [$id, $value];
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return true;
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});
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}
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/** For paths that must not log. */
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private function log(): ChangeLog
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{
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return FakeChangeLog::forbidden();
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}
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public function testUpdatesEveryItemAndReportsPerItem(): void
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{
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$log = new FakeChangeLog(41);
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$result = (new MediaUpdateAbility($log))->execute(['items' => [
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['id' => 33, 'alt' => 'Team vor dem Haus', 'caption' => 'Unser <script>x</script>Team'],
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['id' => 34, 'title' => '<b>Firmen</b>logo', 'modified' => '2026-09-25 09:00:00'],
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]]);
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self::assertSame([['post_excerpt' => 'Unser xTeam', 'ID' => 33], ['post_title' => 'Firmenlogo', 'ID' => 34]], $this->postUpdates);
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self::assertSame([[33, 'Team vor dem Haus']], $this->altUpdates);
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self::assertSame(['id' => 33, 'ok' => true, 'error' => null, 'log_id' => 41, 'modified' => '2026-09-25 08:00:00'], $result['results'][0]);
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self::assertSame(42, $result['results'][1]['log_id']);
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self::assertSame(['id' => '34', 'type' => 'attachment', 'action' => 'updated', 'label' => 'Firmenlogo'], $result['changed'][1]);
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self::assertSame('2 von 2 Medien aktualisiert.', $result['summary']);
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$log->assertRecorded(
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['ability' => 'lit/media-update', 'object_type' => 'attachment', 'object_id' => '33',
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'summary' => 'Metadaten von "Foto" geändert: alt, caption'],
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['ability' => 'lit/media-update', 'object_type' => 'attachment', 'object_id' => '34',
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'summary' => 'Metadaten von "Logo" geändert: title']
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);
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}
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public function testAnInvalidItemRefusesTheWholeBatchAndNamesEveryFailure(): void
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{
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$result = (new MediaUpdateAbility($this->log()))->execute(['items' => [
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['id' => 33, 'alt' => 'ok'],
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['id' => 99, 'alt' => 'x'],
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['id' => 5, 'alt' => 'x'],
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['id' => 35, 'alt' => 'x'],
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]]);
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self::assertInstanceOf(WP_Error::class, $result);
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self::assertToolError($result, 'validation_failed');
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self::assertStringContainsString('3 von 4', $result->get_error_message());
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self::assertStringContainsString('nichts wurde gespeichert', $result->get_error_message());
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$failures = $result->get_error_data()['failures'];
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self::assertSame([1, 2, 3], array_column($failures, 'index'));
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self::assertSame(['not_found', 'not_found', 'validation_failed'], array_column($failures, 'code'));
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self::assertSame([99, 5, 35], array_column($failures, 'id'));
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self::assertStringContainsString('nicht gefunden', $failures[0]['error']);
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self::assertStringContainsString('Papierkorb', $failures[2]['error']);
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self::assertSame([], $this->postUpdates);
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self::assertSame([], $this->altUpdates);
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}
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public function testFailuresOfOneKindKeepTheirCodeAndReportTheNormalizedId(): void
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{
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$result = (new MediaUpdateAbility($this->log()))->execute(['items' => [['id' => '99', 'alt' => 'x']]]);
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self::assertToolError($result, 'not_found');
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self::assertSame(99, $result->get_error_data()['failures'][0]['id']);
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}
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public function testRejectsEmptyDuplicateAndOverlongItems(): void
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{
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$result = (new MediaUpdateAbility($this->log()))->execute(['items' => [
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['id' => 33],
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['id' => 34, 'alt' => str_repeat('a', 501)],
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['id' => 34, 'title' => 'doppelt'],
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['id' => 33, 'caption' => ['kein', 'Text']],
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]]);
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$failures = $result->get_error_data()['failures'];
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self::assertSame([0, 1, 2, 3], array_column($failures, 'index'));
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self::assertStringContainsString('Nichts zu ändern', $failures[0]['error']);
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self::assertStringContainsString('alt', $failures[1]['error']);
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self::assertStringContainsString('mehrfach', $failures[2]['error']);
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self::assertStringContainsString('caption', $failures[3]['error']);
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self::assertSame([], $this->postUpdates);
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}
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public function testStaleModifiedRefusesTheBatchWithRevMismatch(): void
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{
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$result = (new MediaUpdateAbility($this->log()))->execute(['items' => [
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['id' => 33, 'alt' => 'neu', 'modified' => '2026-09-25 08:00:00'],
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['id' => 34, 'alt' => 'neu', 'modified' => '2026-09-24 07:00:00'],
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]]);
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self::assertToolError($result, 'rev_mismatch');
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self::assertSame(1, $result->get_error_data()['failures'][0]['index']);
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self::assertStringContainsString('lit/media-get', $result->get_error_data()['hint']);
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self::assertSame([], $this->altUpdates);
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}
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public function testAFailedWriteRestoresTheItemsAlreadyChanged(): void
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{
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Functions\when('wp_update_post')->alias(function (array $data, bool $wpError) {
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$this->postUpdates[] = $data;
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return $data['ID'] === 34 && ($data['post_title'] ?? '') === 'Neu'
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? new WP_Error('db', 'Datenbankfehler')
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: (int) $data['ID'];
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});
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try {
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(new MediaUpdateAbility($this->log()))->execute(['items' => [
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['id' => 33, 'alt' => 'neu', 'caption' => 'neu'],
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['id' => 34, 'title' => 'Neu'],
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]]);
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self::fail('WriteFailed expected');
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} catch (WriteFailed $e) {
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self::assertTrue($e->rolledBack);
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self::assertToolError($e->toError(), 'write_failed');
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self::assertStringContainsString('neu lesen', $e->toError()->get_error_data()['hint']);
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self::assertStringContainsString('Datenbankfehler', $e->getMessage());
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}
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// Item 34 was refused before anything was written; item 33 gets caption and alt back.
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self::assertSame([
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['post_excerpt' => 'neu', 'ID' => 33],
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['post_title' => 'Neu', 'ID' => 34],
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['post_excerpt' => 'Alt-Unterschrift', 'ID' => 33],
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], $this->postUpdates);
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self::assertSame([[33, 'neu'], [33, 'alter Alt-Text']], $this->altUpdates);
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}
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public function testAHookThrowingAfterTheWriteAlsoRestoresThatItem(): void
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{
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Functions\when('wp_update_post')->alias(function (array $data, bool $wpError) {
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$this->postUpdates[] = $data;
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if (($data['post_title'] ?? '') === 'Neu') {
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throw new RuntimeException('save_post hook failed');
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}
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return (int) $data['ID'];
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});
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$this->expectException(WriteFailed::class);
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try {
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(new MediaUpdateAbility($this->log()))->execute(['items' => [['id' => 34, 'title' => 'Neu']]]);
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} finally {
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self::assertSame([['post_title' => 'Neu', 'ID' => 34], ['post_title' => 'Logo', 'ID' => 34]], $this->postUpdates);
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}
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}
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public function testRestoreRemovesAnAltTextThatDidNotExistBefore(): void
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{
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Functions\when('metadata_exists')->justReturn(false);
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Functions\when('wp_update_post')->alias(static fn (array $data) => $data['ID'] === 34
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? new WP_Error('db', 'Datenbankfehler')
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: (int) $data['ID']);
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Functions\expect('delete_post_meta')->once()->with(33, '_wp_attachment_image_alt')->andReturn(true);
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$this->expectException(WriteFailed::class);
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(new MediaUpdateAbility($this->log()))->execute(['items' => [
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['id' => 33, 'alt' => 'neu'],
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['id' => 34, 'title' => 'Neu'],
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]]);
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}
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public function testAFailedRestoreIsAPartialWriteNamingTheChangedIds(): void
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{
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Functions\when('wp_update_post')->alias(static fn (array $data) => $data['ID'] === 34
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? new WP_Error('db', 'Datenbankfehler')
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: (int) $data['ID']);
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Functions\when('update_post_meta')->alias(static function (int $id, string $key, $value) {
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if ($value === 'alter Alt-Text') {
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throw new RuntimeException('meta write failed');
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}
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return true;
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});
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$log = FakeChangeLog::partialsOnly();
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try {
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(new MediaUpdateAbility($log))->execute(['items' => [
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['id' => 33, 'alt' => 'neu'],
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['id' => 34, 'title' => 'Neu'],
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]]);
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self::fail('WriteFailed expected');
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} catch (WriteFailed $e) {
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$error = $e->toError();
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self::assertToolError($error, 'partial_write');
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self::assertSame([33], $error->get_error_data()['changed_ids']);
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self::assertStringContainsString('33', $error->get_error_message());
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}
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$log->assertPartials(['ability' => 'lit/media-update', 'object_type' => 'attachment', 'object_id' => '33']);
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}
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public function testChangeLogFailureIsOnlyAWarning(): void
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{
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$log = new FakeChangeLog(1, new RuntimeException('db down'));
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// error_log() is a PHP internal and cannot be stubbed; redirect it to a temp file instead.
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$file = (string) tempnam(sys_get_temp_dir(), 'lit-mcp-log');
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$previous = ini_set('error_log', $file);
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try {
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$result = (new MediaUpdateAbility($log))->execute(['items' => [['id' => 33, 'alt' => 'neu']]]);
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} finally {
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ini_set('error_log', (string) $previous);
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unlink($file);
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}
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self::assertTrue($result['results'][0]['ok']);
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self::assertNull($result['results'][0]['log_id']);
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self::assertCount(1, $result['warnings']);
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$log->assertRecorded([]);
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}
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public function testIsIdempotentIndirectAndNotDestructive(): void
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{
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$ability = new MediaUpdateAbility($this->log());
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self::assertSame(['readonly' => false, 'destructive' => false, 'idempotent' => true], $ability->annotations());
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self::assertFalse($ability->isDirect());
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self::assertSame(50, $ability->inputSchema()['properties']['items']['maxItems']);
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self::assertStringContainsString('modified', $ability->description());
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}
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/** Ruling S52: description is the attachment's post_content – no Divi markup there either. */
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public function testDescriptionRefusesDiviMarkupEvenWithControlCharacters(): void
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{
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foreach (["<!-- wp:divi/text /-->", "<!--\0 wp:divi/text /-->", "[et_\x01pb_text]x[/et_pb_text]"] as $description) {
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$result = (new MediaUpdateAbility($this->log()))->execute(['items' => [['id' => 33, 'description' => $description]]]);
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self::assertToolError($result, 'validation_failed', $description);
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self::assertStringContainsString('Divi', $result->get_error_data()['failures'][0]['error']);
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}
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self::assertSame([], $this->postUpdates);
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(new MediaUpdateAbility(FakeChangeLog::any(9)))->execute(['items' => [['id' => 33, 'description' => '<em>Team</em>']]]);
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self::assertSame([['post_content' => '<em>Team</em>', 'ID' => 33]], $this->postUpdates);
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}
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}
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