FromSvgTransformationTest.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Tests\Refinery\URI\Transformation;
 
use ILIAS\Refinery\URI\Transformation\FromSvgTransformation;
use PHPUnit\Framework\Attributes\Depends;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
 
class FromSvgTransformationTest extends TestCase
{
    public function testTransformWithoutSvgInstance(): void
    {
        $transformation = new FromSvgTransformation();
        $this->expectException(\InvalidArgumentException::class);
        $transformation->transform('<svg></svg>');
    }
 
    public function testTransformWithSvgInstance(): void
    {
        $transformation = new FromSvgTransformation();
        $this->expectNotToPerformAssertions();
        $transformation->transform($this->createSvgMock());
    }
 
    #[Depends('testTransformWithSvgInstance')]
    public function testTransformResult(): void
    {
        $transformation = new FromSvgTransformation();
        $svg_mock = $this->createSvgMock();
        $result = $transformation->transform($svg_mock);
        $this->assertIsString($result);
        $this->assertStringStartsWith("data:image/svg+xml;base64,", $result); // ensure correct data uri format
        $this->assertStringEndsWith(base64_encode($svg_mock->__toString()), $result); // ensure base64 encoded value
    }
 
    protected function createSvgMock(): \ILIAS\Data\SVG & MockObject
    {
        $svg_mock = $this->createMock(\ILIAS\Data\SVG::class);
        $svg_mock->method('__toString')->willReturn('<svg></svg>');
        return $svg_mock;
    }
}