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diff --git a/tests/unit/Resize/ResizeTest.php b/tests/unit/Resize/ResizeTest.php
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+++ b/tests/unit/Resize/ResizeTest.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace Appwrite\Tests;
+
+use Resize\Resize;
+use PHPUnit\Framework\TestCase;
+
+class ResizeTest extends TestCase
+{
+    public function setUp()
+    {
+    }
+
+    public function tearDown()
+    {
+    }
+
+    public function testCrop100x100()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-1.jpg'));
+        $target = __DIR__.'/100x100.jpg';
+        $original = __DIR__.'/../../resources/resize/100x100.jpg';
+
+        $resize->crop(100, 100);
+
+        $resize->save($target, 'jpg', 100);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\md5(\file_get_contents($target)), \md5(\file_get_contents($original)));
+
+        \unlink($target);
+    }
+
+    public function testCrop100x400()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-1.jpg'));
+        $target = __DIR__.'/100x400.jpg';
+        $original = __DIR__.'/../../resources/resize/100x400.jpg';
+
+        $resize->crop(100, 400);
+
+        $resize->save($target, 'jpg', 100);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\md5(\file_get_contents($target)), \md5(\file_get_contents($original)));
+
+        \unlink($target);
+    }
+
+    public function testCrop400x100()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-1.jpg'));
+        $target = __DIR__.'/400x100.jpg';
+        $original = __DIR__.'/../../resources/resize/400x100.jpg';
+
+        $resize->crop(400, 100);
+
+        $resize->save($target, 'jpg', 100);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\md5(\file_get_contents($target)), \md5(\file_get_contents($original)));
+
+        \unlink($target);
+    }
+
+    public function testCrop100x100WEBP()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-1.jpg'));
+        $target = __DIR__.'/100x100.webp';
+        $original = __DIR__.'/../../resources/resize/100x100.webp';
+
+        $resize->crop(100, 100);
+
+        $resize->save($target, 'webp', 100);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\md5(\file_get_contents($target)), \md5(\file_get_contents($original)));
+
+        \unlink($target);
+    }
+
+    public function testCrop100x100PNG()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-1.jpg'));
+        $target = __DIR__.'/100x100.png';
+        $original = __DIR__.'/../../resources/resize/100x100.png';
+
+        $resize->crop(100, 100);
+
+        $resize->save($target, 'png', 100);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\filesize($target), \filesize($original));
+        $this->assertEquals(\mime_content_type($target), \mime_content_type($original));
+
+        \unlink($target);
+    }
+
+    public function testCrop100x100PNGQuality30()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-1.jpg'));
+        $target = __DIR__.'/100x100-q30.jpg';
+        $original = __DIR__.'/../../resources/resize/100x100-q30.jpg';
+
+        $resize->crop(100, 100);
+
+        $resize->save($target, 'jpg', 10);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\filesize($target), \filesize($original));
+        $this->assertEquals(\mime_content_type($target), \mime_content_type($original));
+
+        \unlink($target);
+    }
+
+    public function testCrop100x100GIF()
+    {
+        $resize = new Resize(\file_get_contents(__DIR__ . '/../../resources/disk-a/kitten-3.gif'));
+        $target = __DIR__.'/100x100.gif';
+        $original = __DIR__.'/../../resources/resize/100x100.gif';
+
+        $resize->crop(100, 100);
+
+        $resize->save($target, 'gif', 100);
+
+        $this->assertEquals(is_readable($target), true);
+        $this->assertEquals(\filesize($target), \filesize($original));
+        $this->assertEquals(\mime_content_type($target), \mime_content_type($original));
+
+        \unlink($target);
+    }
+}
\ No newline at end of file