michaelschiemer/tests/Unit/Framework/QrCode/QrCodeRendererTest.php

<?php

declare(strict_types=1);

use App\Framework\QrCode\QrCodeGenerator;
use App\Framework\QrCode\QrCodeRenderer;
use App\Framework\QrCode\ValueObjects\QrCodeStyle;
use App\Framework\Svg\ValueObjects\Styling\SvgColor;

test('can render QR code to SVG', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $svg = $renderer->renderSvg($matrix);

    expect($svg)->toBeString()
        ->and($svg)->toContain('<?xml')
        ->and($svg)->toContain('<svg')
        ->and($svg)->toContain('</svg>');
});

test('can render QR code to inline SVG', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $svg = $renderer->renderInlineSvg($matrix);

    expect($svg)->toBeString()
        ->and($svg)->not->toContain('<?xml')
        ->and($svg)->toContain('<svg')
        ->and($svg)->toContain('</svg>');
});

test('renders with default style', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $svg = $renderer->renderSvg($matrix);

    // Should contain rectangles for modules
    expect($svg)->toContain('<rect')
        ->and($svg)->toContain('width=')
        ->and($svg)->toContain('height=');
});

test('renders with custom style', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $style = QrCodeStyle::withColors(
        SvgColor::fromHex('#0000ff'), // Blue dark modules
        SvgColor::fromHex('#ffff00')  // Yellow light modules
    );

    $svg = $renderer->renderCustom($matrix, $style);

    expect($svg)->toBeString()
        ->and($svg)->toContain('<rect');
});

test('renders with compact style', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $style = QrCodeStyle::compact();
    $svg = $renderer->renderSvg($matrix, $style);

    // Compact style has smaller modules (5px)
    expect($svg)->toContain('<svg')
        ->and($svg)->toContain('width=');
});

test('renders with large style', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $style = QrCodeStyle::large();
    $svg = $renderer->renderSvg($matrix, $style);

    // Large style has bigger modules (20px)
    expect($svg)->toContain('<svg')
        ->and($svg)->toContain('width=');
});

test('renders with inverted style', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $style = QrCodeStyle::inverted();
    $svg = $renderer->renderSvg($matrix, $style);

    // Should render (white modules on black background)
    expect($svg)->toContain('<rect');
});

test('can generate data URL', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $dataUrl = $renderer->toDataUrl($matrix);

    expect($dataUrl)->toBeString()
        ->and($dataUrl)->toStartWith('data:image/svg+xml;base64,')
        ->and(strlen($dataUrl))->toBeGreaterThan(100);
});

test('data URL contains valid base64', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $dataUrl = $renderer->toDataUrl($matrix);
    $base64 = substr($dataUrl, strlen('data:image/svg+xml;base64,'));

    $decoded = base64_decode($base64, true);

    expect($decoded)->not->toBeFalse()
        ->and($decoded)->toContain('<svg');
});

test('renders QR code with title and description', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $svg = $renderer->renderSvg($matrix);

    expect($svg)->toContain('<title>QR Code</title>')
        ->and($svg)->toContain('<desc>QR Code Version');
});

test('renders different sizes correctly', function () {
    $data = 'Test';

    $matrix1 = QrCodeGenerator::generate($data, \App\Framework\QrCode\ValueObjects\QrCodeConfig::withVersion(1));
    $matrix2 = QrCodeGenerator::generate($data, \App\Framework\QrCode\ValueObjects\QrCodeConfig::withVersion(2));

    $renderer = new QrCodeRenderer();
    $style = QrCodeStyle::default();

    $svg1 = $renderer->renderSvg($matrix1, $style);
    $svg2 = $renderer->renderSvg($matrix2, $style);

    // Larger version should have larger SVG
    expect(strlen($svg2))->toBeGreaterThan(strlen($svg1));
});

test('can render to file', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $filepath = __DIR__ . '/../../../../tests/tmp/test-qrcode.svg';

    // Ensure directory exists
    if (!is_dir(dirname($filepath))) {
        mkdir(dirname($filepath), 0777, true);
    }

    $renderer->renderToFile($matrix, $filepath);

    expect(file_exists($filepath))->toBeTrue()
        ->and(filesize($filepath))->toBeGreaterThan(0);

    // Cleanup
    if (file_exists($filepath)) {
        unlink($filepath);
    }
});

test('rendered SVG has correct viewBox', function () {
    $data = 'Test';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $svg = $renderer->renderSvg($matrix);

    // Should contain viewBox attribute
    expect($svg)->toContain('viewBox=');
});

test('renders consistent output for same input', function () {
    $data = 'Test123';
    $matrix = QrCodeGenerator::generate($data);
    $renderer = new QrCodeRenderer();

    $svg1 = $renderer->renderSvg($matrix);
    $svg2 = $renderer->renderSvg($matrix);

    expect($svg1)->toBe($svg2);
});