michaelschiemer/tests/Unit/Application/Admin/Cms/Services/ContentPreviewServiceTest.php

<?php

declare(strict_types=1);

use App\Application\Admin\Cms\Services\ContentPreviewService;
use App\Domain\Cms\Services\ContentRenderer;
use App\Domain\Cms\ValueObjects\BlockData;
use App\Domain\Cms\ValueObjects\BlockId;
use App\Domain\Cms\ValueObjects\BlockType;
use App\Domain\Cms\ValueObjects\ContentBlock;
use App\Domain\Cms\ValueObjects\ContentBlocks;
use App\Framework\DateTime\Clock;

describe('ContentPreviewService', function () {
    beforeEach(function () {
        $this->clock = new Clock();
        
        // Create a mock ContentRenderer
        $this->contentRenderer = Mockery::mock(ContentRenderer::class);
        $this->service = new ContentPreviewService(
            $this->contentRenderer,
            $this->clock
        );
    });

    it('renders preview HTML from ContentBlocks', function () {
        $blocks = ContentBlocks::fromArray([
            [
                'id' => 'block-1',
                'type' => 'text',
                'data' => ['content' => '<p>Test content</p>'],
            ],
        ]);

        $this->contentRenderer
            ->shouldReceive('render')
            ->once()
            ->andReturn('<div class="cms-text"><p>Test content</p></div>');

        $html = $this->service->renderPreview($blocks);

        expect($html)->toBeString();
        expect($html)->not->toBeEmpty();
        expect($html)->toContain('Test content');
    });

    it('renders multiple blocks in preview', function () {
        $blocks = ContentBlocks::fromArray([
            [
                'id' => 'block-1',
                'type' => 'hero',
                'data' => ['title' => 'Hero Title'],
            ],
            [
                'id' => 'block-2',
                'type' => 'text',
                'data' => ['content' => '<p>Text content</p>'],
            ],
        ]);

        $this->contentRenderer
            ->shouldReceive('render')
            ->once()
            ->andReturn('<div class="cms-hero">Hero Title</div><div class="cms-text"><p>Text content</p></div>');

        $html = $this->service->renderPreview($blocks);

        expect($html)->toBeString();
        expect($html)->toContain('Hero Title');
        expect($html)->toContain('Text content');
    });

    it('renders empty blocks as empty string', function () {
        $blocks = ContentBlocks::fromArray([]);

        $this->contentRenderer
            ->shouldReceive('render')
            ->once()
            ->andReturn('');

        $html = $this->service->renderPreview($blocks);

        expect($html)->toBe('');
    });

    it('does not use caching for preview', function () {
        $blocks = ContentBlocks::fromArray([
            [
                'id' => 'block-1',
                'type' => 'text',
                'data' => ['content' => '<p>Test</p>'],
            ],
        ]);

        $this->contentRenderer
            ->shouldReceive('render')
            ->once()
            ->andReturn('<div>Test</div>');

        // Call twice - should render both times (no caching)
        $html1 = $this->service->renderPreview($blocks);
        $html2 = $this->service->renderPreview($blocks);

        expect($html1)->toBe($html2);
        // Verify render was called twice (no caching)
        $this->contentRenderer->shouldHaveReceived('render')->twice();
    });
});