Gd2Test.php

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<?php
namespace Magento\Framework\Image\Test\Unit\Adapter;

use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;

class Gd2Test extends \PHPUnit\Framework\TestCase
{
    public static $memoryLimit;

    public static $imageData = [];

    protected $adapter;

    protected $objectManager;

    protected function setUp()
    {
        require_once __DIR__ . '/_files/global_php_mock.php';
        $this->objectManager = new ObjectManager($this);
        $this->adapter = $this->objectManager->getObject(\Magento\Framework\Image\Adapter\Gd2::class);
    }

    public function testParentClass()
    {
        $this->assertInstanceOf(\Magento\Framework\Image\Adapter\AbstractAdapter::class, $this->adapter);
    }

    public function testOpen($fileData, $exception, $limit)
    {
        self::$memoryLimit = $limit;
        self::$imageData = $fileData;

        if (!empty($exception)) {
            $this->expectException($exception);
        }

        $this->adapter->open('file');
    }

    public function filesProvider()
    {
        $smallFile = [
            0 => 480,
            1 => 320,
            2 => 2,
            3 => 'width="480" height="320"',
            'bits' => 8,
            'channels' => 3,
            'mime' => 'image/jpeg',
        ];

        $bigFile = [
            0 => 3579,
            1 => 2398,
            2 => 2,
            3 => 'width="3579" height="2398"',
            'bits' => 8,
            'channels' => 3,
            'mime' => 'image/jpeg',
        ];

        return [
            'positive_M' => [$smallFile, false, '2M'],
            'positive_KB' => [$smallFile, false, '2048K'],
            'negative_KB' => [$bigFile, 'OverflowException', '2048K'],
            'negative_bytes' => [$bigFile, 'OverflowException', '2048000'],
            'no_limit' => [$bigFile, false, '-1'],
        ];
    }

    public function testOpenDifferentTypes()
    {
        self::$imageData = [
            0 => 480,
            1 => 320,
            2 => 2,
            3 => 'width="480" height="320"',
            'bits' => 8,
            'channels' => 3,
            'mime' => 'image/jpeg',
        ];

        $this->adapter->open('file');
        $type1 = $this->adapter->getImageType();

        self::$imageData = [
            0 => 480,
            1 => 320,
            2 => 3,
            3 => 'width="480" height="320"',
            'bits' => 8,
            'channels' => 3,
            'mime' => 'image/png',
        ];

        $this->adapter->open('file');
        $type2 = $this->adapter->getImageType();

        $this->assertNotEquals($type1, $type2);
    }
}