feat: draft copies and replace-with-copy
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
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Claude Opus 5.5
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<?php
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declare(strict_types=1);
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namespace LIT\MCP\Tests\Unit\Integrations\WordPress\Status;
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use Brain\Monkey\Functions;
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use LIT\MCP\Abilities\WriteFailed;
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use LIT\MCP\Integrations\WordPress\Status\PostCloner;
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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 PostClonerTest extends TestCase
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{
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private function original(): WP_Post
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{
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return new WP_Post([
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'ID' => 5,
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'post_type' => 'page',
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'post_title' => 'Team',
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'post_content' => '<!-- wp:divi/section /-->',
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'post_excerpt' => 'Kurz',
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'post_parent' => 2,
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'menu_order' => 3,
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]);
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}
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private function copy(): WP_Post
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{
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return new WP_Post([
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'ID' => 77,
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'post_type' => 'page',
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'post_title' => 'Team (Kopie)',
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'post_content' => 'neu',
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'post_excerpt' => 'Neu kurz',
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]);
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}
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public function testDuplicateCopiesContentMetaAndTermsAsDraft(): void
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{
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Functions\when('get_current_user_id')->justReturn(4);
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Functions\when('maybe_unserialize')->returnArg();
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Functions\expect('wp_insert_post')->once()->with($this->draftMatcher(), true)->andReturn(77);
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Functions\when('get_post_meta')->alias(static fn (int $id) => $id === 5
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? [
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'_edit_lock' => ['123:1'],
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'_edit_last' => ['1'],
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'_wp_old_slug' => ['team-alt'],
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'_et_pb_use_builder' => ['on'],
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'_et_pb_use_divi_5' => ['on'],
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'_wp_page_template' => ['page-template-blank.php'],
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'_thumbnail_id' => ['31'],
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'role' => ['Leitung'],
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]
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: ['_edit_lock' => ['999:4'], '_et_pb_use_builder' => ['off']]);
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// Meta a save hook put on the fresh copy is replaced by the original's.
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Functions\expect('delete_post_meta')->once()->with(77, '_et_pb_use_builder');
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Functions\expect('add_post_meta')->once()->with(77, '_et_pb_use_builder', 'on');
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Functions\expect('add_post_meta')->once()->with(77, '_et_pb_use_divi_5', 'on');
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Functions\expect('add_post_meta')->once()->with(77, '_wp_page_template', 'page-template-blank.php');
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Functions\expect('add_post_meta')->once()->with(77, '_thumbnail_id', '31');
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Functions\expect('add_post_meta')->once()->with(77, 'role', 'Leitung');
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Functions\when('get_object_taxonomies')->justReturn(['category']);
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Functions\when('wp_get_object_terms')->justReturn([4, 9]);
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Functions\expect('wp_set_object_terms')->once()->with(77, [4, 9], 'category', false);
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Functions\expect('update_post_meta')->once()->with(77, '_lit_mcp_copy_of', 5);
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self::assertSame(77, (new PostCloner())->duplicate($this->original()));
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}
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public function testDuplicateFailureThrows(): void
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{
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Functions\when('get_current_user_id')->justReturn(4);
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Functions\when('wp_insert_post')->justReturn(new WP_Error('x', 'kaputt'));
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$this->expectException(RuntimeException::class);
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(new PostCloner())->duplicate($this->original());
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}
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public function testDuplicateFailingAfterInsertDeletesTheNewDraft(): void
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{
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Functions\when('get_current_user_id')->justReturn(4);
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Functions\when('maybe_unserialize')->returnArg();
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Functions\when('wp_insert_post')->justReturn(77);
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Functions\when('get_post_meta')->alias(static fn (int $id) => $id === 5 ? ['role' => ['Leitung']] : []);
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Functions\when('add_post_meta')->justReturn(false);
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Functions\expect('wp_delete_post')->once()->with(77, true)->andReturn(new WP_Post(['ID' => 77]));
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try {
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(new PostCloner())->duplicate($this->original());
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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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}
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}
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public function testDuplicateReportsALeftoverDraftWhenItCannotBeDeleted(): void
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{
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Functions\when('get_current_user_id')->justReturn(4);
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Functions\when('maybe_unserialize')->returnArg();
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Functions\when('wp_insert_post')->justReturn(77);
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Functions\when('get_post_meta')->justReturn([]);
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Functions\when('get_object_taxonomies')->justReturn(['category']);
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Functions\when('wp_get_object_terms')->justReturn(new WP_Error('x', 'kaputt'));
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Functions\when('wp_delete_post')->justReturn(false);
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try {
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(new PostCloner())->duplicate($this->original());
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self::fail('WriteFailed expected');
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} catch (WriteFailed $e) {
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self::assertFalse($e->rolledBack);
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self::assertSame(77, $e->postId);
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}
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}
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public function testReplaceOverwritesContentMetaAndTermsButKeepsTheOriginalsIdentity(): void
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{
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Functions\when('maybe_unserialize')->returnArg();
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Functions\expect('wp_update_post')->once()->with([
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'ID' => 5,
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'post_title' => 'Team',
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'post_content' => 'neu',
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'post_excerpt' => 'Neu kurz',
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], true)->andReturn(5);
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Functions\when('get_post_meta')->alias(static fn (int $id) => $id === 5
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? ['_edit_lock' => ['1'], '_wp_old_slug' => ['alt'], 'role' => ['Alt'], 'city' => ['Trier']]
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: ['_lit_mcp_copy_of' => ['5'], '_edit_last' => ['4'], 'role' => ['Neu']]);
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Functions\expect('delete_post_meta')->once()->with(5, 'role');
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Functions\expect('delete_post_meta')->once()->with(5, 'city');
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Functions\expect('add_post_meta')->once()->with(5, 'role', 'Neu');
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Functions\when('get_object_taxonomies')->justReturn(['category']);
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Functions\when('wp_get_object_terms')->justReturn([12]);
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Functions\expect('wp_set_object_terms')->once()->with(5, [12], 'category', false);
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(new PostCloner())->replace($this->original(), $this->copy());
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}
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public function testReplaceThrowsWhenWordPressRejectsTheUpdate(): void
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{
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Functions\when('wp_update_post')->justReturn(new WP_Error('x', 'kaputt'));
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Functions\expect('delete_post_meta')->never();
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$this->expectException(RuntimeException::class);
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(new PostCloner())->replace($this->original(), $this->copy());
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}
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public function testReplaceThrowsWhenTermsCannotBeSet(): void
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{
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Functions\when('wp_update_post')->justReturn(5);
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Functions\when('get_post_meta')->justReturn([]);
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Functions\when('get_object_taxonomies')->justReturn(['category']);
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Functions\when('wp_get_object_terms')->justReturn([12]);
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Functions\when('wp_set_object_terms')->justReturn(new WP_Error('x', 'kaputt'));
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$this->expectException(RuntimeException::class);
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(new PostCloner())->replace($this->original(), $this->copy());
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}
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public function testSnapshotAndRestoreBringBackRowMetaAndTerms(): void
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{
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$meta = ['_edit_lock' => ['1'], 'role' => ['Alt']];
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Functions\when('get_post_meta')->alias(static function () use (&$meta): array {
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return $meta;
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});
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Functions\when('get_object_taxonomies')->justReturn(['category']);
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Functions\when('wp_get_object_terms')->justReturn([4]);
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$cloner = new PostCloner();
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$snapshot = $cloner->snapshot($this->original());
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self::assertSame(['post_title' => 'Team', 'post_content' => '<!-- wp:divi/section /-->', 'post_excerpt' => 'Kurz'], $snapshot['post']);
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self::assertSame(['role' => ['Alt']], $snapshot['meta']);
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self::assertSame(['category' => [4]], $snapshot['terms']);
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$meta = ['_edit_lock' => ['1'], 'role' => ['Neu'], 'city' => ['Trier']];
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Functions\when('maybe_unserialize')->returnArg();
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Functions\expect('wp_update_post')->once()
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->with(array_merge(['ID' => 5], $snapshot['post']), true)->andReturn(5);
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Functions\expect('delete_post_meta')->once()->with(5, 'role');
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Functions\expect('delete_post_meta')->once()->with(5, 'city');
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Functions\expect('add_post_meta')->once()->with(5, 'role', 'Alt');
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Functions\expect('wp_set_object_terms')->once()->with(5, [4], 'category', false);
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$cloner->restore($this->original(), $snapshot);
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}
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public function testRestoreTriesEveryPartAndReportsFailures(): void
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{
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Functions\when('wp_update_post')->justReturn(new WP_Error('x', 'kaputt'));
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Functions\when('get_post_meta')->justReturn([]);
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Functions\expect('wp_set_object_terms')->once()->with(5, [4], 'category', false);
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$this->expectException(RuntimeException::class);
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$this->expectExceptionMessage('Restore incomplete');
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(new PostCloner())->restore($this->original(), [
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'post' => ['post_title' => 'Team', 'post_content' => '', 'post_excerpt' => ''],
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'meta' => [],
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'terms' => ['category' => [4]],
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]);
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}
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private function draftMatcher(): \Mockery\Matcher\Closure
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{
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return \Mockery::on(static fn (array $data): bool => $data['post_status'] === 'draft'
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&& $data['post_type'] === 'page'
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&& $data['post_title'] === 'Team (Kopie)'
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&& $data['post_content'] === '<!-- wp:divi/section /-->'
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&& $data['post_excerpt'] === 'Kurz'
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&& $data['post_parent'] === 2
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&& $data['menu_order'] === 3
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&& $data['post_author'] === 4);
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}
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}
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