<?php
namespace HeroQR\Tests\Unit\Customs;
use HeroQR\Customs\ImageOverlay;
use PHPUnit\Framework\{Attributes\Test,TestCase};
/**
* Class ImageOverlayTest
* Tests the ImageOverlay class.
*/
class ImageOverlayTest extends TestCase
{
private string $validBackgroundKey;
private string $validOverlayKey;
/**
* Setup method
*/
protected function setUp(): void
{
$this->validBackgroundKey = 'M' . mt_rand(1, 4);
$this->validOverlayKey = 'C' . mt_rand(1, 4);
}
/**
* Test the constructor with valid keys
*/
#[Test]
public function isConstructorWithValidKeys(): void
{
$imageOverlay = new ImageOverlay($this->validBackgroundKey, $this->validOverlayKey);
$this->assertInstanceOf(ImageOverlay::class, $imageOverlay);
}
/**
* Test the constructor with invalid keys
*/
#[Test]
public function isConstructorWithInvalidKeys(): void
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessageMatches('/Invalid key \'.+\' provided. Valid keys are : .+/');
new ImageOverlay('InvalidKey', 'AnotherInvalidKey', []);
}
/**
* Test saving the image with valid paths
*/
#[Test]
public function isSaveImage(): void
{
$imageOverlay = new ImageOverlay($this->validBackgroundKey, $this->validOverlayKey, []);
$outputPath = __DIR__ . '/output.png';
$imageOverlay->saveImage($outputPath);
$this->assertFileExists($outputPath);
@unlink($outputPath);
}
}
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