<?php
namespace HeroQR\Tests\Unit\Managers;
use PHPUnit\Framework\{Attributes\Test,TestCase};
use Endroid\QrCode\Writer\{PngWriter,WriterInterface};
use Endroid\QrCode\{QrCodeInterface,Matrix\Matrix,QrCode};
use HeroQR\{Managers\OutputManager,Contracts\Managers\OutputManagerInterface};
/**
* Class OutputManagerTest
* Tests the OutputManager class.
*/
class OutputManagerTest extends TestCase
{
private QrCode $qrCodeGenerator;
private OutputManager $outputManager;
/**
* Setup method
*/
protected function setUp(): void
{
parent::setUp();
$this->qrCodeGenerator = new QrCode('https://example.com');
$this->assertInstanceOf(QrCodeInterface::class, $this->qrCodeGenerator);
$this->outputManager = new OutputManager();
$this->assertInstanceOf(OutputManagerInterface::class, $this->outputManager);
}
/**
* Test saving QR code to different formats
*/
#[Test]
public function isSaveTo(): void
{
$dataTypes = ['png', 'gif', 'binary', 'eps', 'svg', 'webp'];
foreach ($dataTypes as $dataType) {
$writer = $this->validateWriter($dataType);
$fileExtension = ($dataType === 'binary') ? 'bin' : $dataType;
$result = $writer->write($this->qrCodeGenerator);
$filePath = './Qr-' . $fileExtension;
$isSaved = $this->outputManager->saveTo($result, $filePath);
$this->assertTrue($isSaved, "Failed To Save QR Code In Format: $fileExtension");
$this->assertFileExists($filePath . '.' . $fileExtension);
$this->deleteFile($filePath . '.' . $fileExtension);
}
}
/**
* Test saving QR code to an unsupported format
*/
#[Test]
public function isSaveToUnsupportedFormat(): void
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Format "mp4" Does Not Exist');
$this->validateWriter('mp4');
}
/**
* Test generating a data URI for QR code
*/
#[Test]
public function isGetDataUri(): void
{
$writer = new PngWriter();
$dataUri = $writer->write($this->qrCodeGenerator)->getDataUri();
$this->assertStringStartsWith('data:image/png;base64', $dataUri, 'Data URI Should Start With The Correct Prefix');
}
/**
* Test converting QR code matrix to an array
*/
#[Test]
public function isGetMatrixAsArray(): void
{
$matrix = (new PngWriter())->write($this->qrCodeGenerator)->getMatrix();
$matrixArray = [];
for ($row = 0; $row < 6; $row++) {
for ($col = 0; $col < $matrix->getBlockCount(); $col++) {
$matrixArray[$row][$col] = $matrix->getBlockValue($row, $col);
}
}
$expectedMatrix = [
0 => [1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1],
1 => [1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1],
2 => [1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1],
3 => [1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1],
4 => [1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1],
5 => [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1],
];
$this->assertInstanceOf(Matrix::class, $matrix);
$this->assertIsArray($matrixArray);
$this->assertEquals($expectedMatrix, $matrixArray);
}
/**
* Test retrieving the QR code matrix object
*/
#[Test]
public function isGetMatrix(): void
{
$matrix = (new PngWriter())->write($this->qrCodeGenerator)->getMatrix();
$this->assertInstanceOf(Matrix::class, $matrix, 'The Returned Object Should Be An Instance Of Matrix');
$this->assertGreaterThan(0, $matrix->getBlockCount(), 'The matrix should contain blocks.');
for ($row = 0; $row < $matrix->getBlockCount(); $row++) {
for ($col = 0; $col < $matrix->getBlockCount(); $col++) {
$this->assertContains($matrix->getBlockValue($row, $col), [0, 1], "Unexpected Value In Matrix At ($row, $col)");
}
}
}
/**
* Test converting QR code to string
*/
#[Test]
public function isGetString(): void
{
$qrCodeString = (new PngWriter())->write($this->qrCodeGenerator)->getString();
$this->assertIsString($qrCodeString, 'QR Code Output Should Be A String');
$this->assertStringStartsWith("\x89PNG", $qrCodeString, 'QR Code String Should Start With The PNG Header');
}
/**
* Validate and retrieve the writer instance for a given format
*/
private function validateWriter(string $format): WriterInterface
{
$writerClass = 'Endroid\\QrCode\\Writer\\' . ucfirst($format) . 'Writer';
if (!class_exists($writerClass)) {
throw new \InvalidArgumentException(sprintf('Format "%s" Does Not Exist', $format));
}
$writer = new $writerClass();
if (!$writer instanceof WriterInterface) {
throw new \InvalidArgumentException(sprintf('Format "%s" Is Not Supported', $format));
}
return $writer;
}
/**
* Delete a file if it exists
*/
private function deleteFile(string $filePath): void
{
if (file_exists($filePath)) {
unlink($filePath);
}
}
}
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