In PHP image manipulation, how do I write unit tests?

In PHP image manipulation, writing unit tests is crucial to ensure the correctness of your image processing functions. Properly testing your image manipulation code helps to catch any bugs and maintain quality as your codebase evolves.

<?php use PHPUnit\Framework\TestCase; class ImageManipulationTest extends TestCase { public function testResizeImage() { $image = new Image('path/to/image.jpg'); $image->resize(100, 100); // Check if the image dimensions are as expected $this->assertEquals(100, $image->getWidth()); $this->assertEquals(100, $image->getHeight()); } public function testImageFormat() { $image = new Image('path/to/image.png'); // Check if the image format is PNG $this->assertEquals('png', $image->getFormat()); } } ?>

Keywords: PHP image manipulation unit tests testing PHPUnit

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