MokoSuiteCross/tests/Unit/Helper/PreviewHelperTest.php

<?php

/**
 * @package     MokoSuiteCross
 * @subpackage  Tests
 * @author      Moko Consulting <hello@mokoconsulting.tech>
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

namespace MokoSuiteCross\Tests\Unit\Helper;

use Joomla\Component\MokoSuiteCross\Administrator\Helper\PreviewHelper;
use PHPUnit\Framework\Attributes\RequiresMethod;
use PHPUnit\Framework\TestCase;

#[RequiresMethod(PreviewHelper::class, 'render')]
class PreviewHelperTest extends TestCase
{
    public function testRenderTwitterContainsCharCount(): void
    {
        $html = PreviewHelper::render('twitter', 'Test Title', 'Hello world', 'https://example.com', '', 'Author');

        $this->assertStringContainsString('11/280', $html);
    }

    public function testRenderTwitterEscapesHtml(): void
    {
        $html = PreviewHelper::render('twitter', '<script>alert(1)</script>', 'text', 'https://example.com');

        $this->assertStringNotContainsString('<script>', $html);
        $this->assertStringContainsString('&lt;script&gt;', $html);
    }

    public function testRenderFacebookContainsAuthor(): void
    {
        $html = PreviewHelper::render('facebook', 'My Article', 'Intro text here', 'https://example.com', '', 'John Doe');

        $this->assertStringContainsString('John Doe', $html);
        $this->assertStringContainsString('My Article', $html);
    }

    public function testRenderMastodonContainsCharCount(): void
    {
        $html = PreviewHelper::render('mastodon', 'Title', 'Post text', 'https://example.com', '', 'Author');

        $this->assertStringContainsString('9/500', $html);
    }

    public function testRenderBlueskyContainsCharCount(): void
    {
        $html = PreviewHelper::render('bluesky', 'Title', 'A bluesky post', 'https://example.com', '', 'Author');

        $this->assertStringContainsString('14/300', $html);
    }

    public function testRenderLinkedInContainsAuthor(): void
    {
        $html = PreviewHelper::render('linkedin', 'Article', 'Text', 'https://example.com', '', 'Jane Smith');

        $this->assertStringContainsString('Jane Smith', $html);
    }

    public function testRenderTelegramDoesNotShowAuthor(): void
    {
        $html = PreviewHelper::render('telegram', 'Article', 'Message text', 'https://example.com');

        $this->assertStringContainsString('Message text', $html);
        $this->assertStringContainsString('Article', $html);
    }

    public function testRenderWithImageIncludesImgTag(): void
    {
        $html = PreviewHelper::render('twitter', 'Title', 'Text', 'https://example.com', 'https://example.com/image.jpg', 'Author');

        $this->assertStringContainsString('<img src="https://example.com/image.jpg"', $html);
    }

    public function testRenderWithoutImageOmitsImgTag(): void
    {
        $html = PreviewHelper::render('twitter', 'Title', 'Text', 'https://example.com', '', 'Author');

        $this->assertStringNotContainsString('<img', $html);
    }

    public function testRenderGenericPlatform(): void
    {
        $html = PreviewHelper::render('pinterest', 'Title', 'Text', 'https://example.com');

        $this->assertStringContainsString('PINTEREST', $html);
        $this->assertStringContainsString('Title', $html);
    }

    public function testGetSupportedPlatformsReturnsSix(): void
    {
        $platforms = PreviewHelper::getSupportedPlatforms();

        $this->assertCount(6, $platforms);
        $this->assertContains('twitter', $platforms);
        $this->assertContains('facebook', $platforms);
        $this->assertContains('mastodon', $platforms);
        $this->assertContains('linkedin', $platforms);
        $this->assertContains('bluesky', $platforms);
        $this->assertContains('telegram', $platforms);
    }

    public function testRenderUsesTextWhenProvided(): void
    {
        $html = PreviewHelper::render('facebook', 'My Title', 'Custom intro text', 'https://example.com');

        $this->assertStringContainsString('Custom intro text', $html);
    }

    public function testRenderFallsBackToTitleWhenTextEmpty(): void
    {
        $html = PreviewHelper::render('facebook', 'Fallback Title', '', 'https://example.com');

        $this->assertMatchesRegularExpression('/Fallback Title.*Fallback Title/s', $html);
    }

    public function testImageUrlIsEscaped(): void
    {
        $html = PreviewHelper::render('twitter', 'Title', 'Text', 'https://example.com', 'https://example.com/img?a=1&b=2', 'Author');

        $this->assertStringContainsString('https://example.com/img?a=1&amp;b=2', $html);
    }
}