WP-LIT-MCP/tests/Unit/Integrations/WordPress/Status/PostDuplicateAbilityTest.php

<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\WordPress\Status;

use Brain\Monkey\Actions;
use Brain\Monkey\Functions;
use LIT\MCP\Abilities\Rev;
use LIT\MCP\ChangeLog\ChangeLog;
use LIT\MCP\Integrations\WordPress\Schema\ContentSchema;
use LIT\MCP\Integrations\WordPress\Status\PostCloner;
use LIT\MCP\Integrations\WordPress\Status\PostDuplicateAbility;
use LIT\MCP\Tests\Unit\TestCase;
use Mockery;
use WP_Post;

final class PostDuplicateAbilityTest extends TestCase
{
    private WP_Post $original;
    private WP_Post $copy;

    protected function setUp(): void
    {
        parent::setUp();
        $this->original = new WP_Post(['ID' => 5, 'post_type' => 'page', 'post_title' => 'Team']);
        $this->copy = new WP_Post(['ID' => 77, 'post_type' => 'page', 'post_title' => 'Team (Kopie)']);
        Functions\when('get_post')->alias(fn (int $id) => $id === 5 ? $this->original : $this->copy);
        Functions\when('current_user_can')->justReturn(true);
        Functions\when('get_post_type_object')->justReturn((object) ['cap' => (object) ['create_posts' => 'edit_pages']]);
        Functions\when('get_preview_post_link')->justReturn('https://kunde.de/?p=77&preview=true');
        Functions\when('get_edit_post_link')->justReturn('https://kunde.de/wp-admin/post.php?post=77&action=edit');
    }

    private function ability(PostCloner $cloner, ChangeLog $log): PostDuplicateAbility
    {
        $schema = Mockery::mock(ContentSchema::class);
        $schema->allows('isManaged')->andReturn(true);

        return new PostDuplicateAbility($schema, $cloner, $log);
    }

    public function testCreatesADraftCopyAndReportsIt(): void
    {
        $cloner = Mockery::mock(PostCloner::class);
        $cloner->expects('duplicate')->with($this->original)->andReturn(77);
        Actions\expectDone('lit_mcp_after_save')->once()->with(77, 'lit/post-duplicate', ['post_id' => 5]);
        $log = Mockery::mock(ChangeLog::class);
        $log->expects('record')->with('lit/post-duplicate', 'page', '77', 'Kopie von "Team" (ID 5) angelegt')->andReturn(8);

        $result = $this->ability($cloner, $log)->execute(['post_id' => 5]);

        self::assertSame([['id' => '77', 'type' => 'page', 'action' => 'created', 'label' => 'Team (Kopie)']], $result['changed']);
        self::assertSame(5, $result['original_id']);
        self::assertSame(8, $result['log_id']);
        self::assertSame(Rev::ofPost($this->copy), $result['rev']);
        self::assertSame([], $result['warnings']);
    }

    public function testNeedsTheRightToCreateEntriesOfThatType(): void
    {
        Functions\when('current_user_can')->alias(static fn (string $cap): bool => $cap !== 'edit_pages');
        $cloner = Mockery::mock(PostCloner::class);
        $cloner->expects('duplicate')->never();

        $result = $this->ability($cloner, Mockery::mock(ChangeLog::class))->execute(['post_id' => 5]);

        self::assertSame('lit_forbidden', $result->get_error_code());
    }

    public function testATrashedOriginalIsRefused(): void
    {
        $this->original->post_status = 'trash';
        $cloner = Mockery::mock(PostCloner::class);
        $cloner->expects('duplicate')->never();

        $result = $this->ability($cloner, Mockery::mock(ChangeLog::class))->execute(['post_id' => 5]);

        self::assertSame('lit_validation_failed', $result->get_error_code());
    }

    public function testIsIndirectAndNotIdempotent(): void
    {
        $ability = $this->ability(Mockery::mock(PostCloner::class), Mockery::mock(ChangeLog::class));

        self::assertFalse($ability->isDirect());
        self::assertFalse($ability->annotations()['idempotent']);
        self::assertFalse($ability->annotations()['destructive']);
    }
}