diff --git a/tests/unit/OpenSSL/OpenSSLTest.php b/tests/unit/OpenSSL/OpenSSLTest.php
index 8497f6cc1..e08889f98 100644
--- a/tests/unit/OpenSSL/OpenSSLTest.php
+++ b/tests/unit/OpenSSL/OpenSSLTest.php
@@ -7,11 +7,6 @@ use PHPUnit\Framework\TestCase;
 
 class OpenSSLTest extends TestCase
 {
-    /**
-     * @var Cron
-     */
-    protected $object = null;
-
     public function setUp()
     {
     }
diff --git a/tests/unit/Storage/Compression/Algorithms/GZIPTest.php b/tests/unit/Storage/Compression/Algorithms/GZIPTest.php
new file mode 100644
index 000000000..0083307af
--- /dev/null
+++ b/tests/unit/Storage/Compression/Algorithms/GZIPTest.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Appwrite\Tests;
+
+use Exception;
+use Storage\Compression\Algorithms\GZIP;
+use Storage\Devices\Local;
+use PHPUnit\Framework\TestCase;
+
+class GZIPTest extends TestCase
+{
+    /**
+     * @var GZIP
+     */
+    protected $object = null;
+
+    public function setUp()
+    {
+        $this->object = new GZIP();
+    }
+
+    public function tearDown()
+    {
+    }
+
+    public function testName()
+    {
+        $this->assertEquals($this->object->getName(), 'gzip');
+    }
+    
+    public function testCompressDecompressWithText()
+    {
+        $demo = 'This is a demo string';
+        $demoSize = mb_strlen($demo, '8bit');
+
+        $data = $this->object->compress($demo);
+        $dataSize = mb_strlen($data, '8bit');
+
+        $this->assertEquals($demoSize, 21);
+        $this->assertEquals($dataSize, 39);
+        
+        $this->assertEquals($this->object->decompress($data), $demo);
+    }
+    
+    public function testCompressDecompressWithJPGImage()
+    {
+        $demo = \file_get_contents(__DIR__ . '/../../../../resources/disk-a/kitten-1.jpg');
+        $demoSize = mb_strlen($demo, '8bit');
+
+        $data = $this->object->compress($demo);
+        $dataSize = mb_strlen($data, '8bit');
+
+        $this->assertEquals($demoSize, 599639);
+        $this->assertEquals($dataSize, 599107);
+        
+        $this->assertGreaterThan($dataSize, $demoSize);
+        
+        $data = $this->object->decompress($data);
+        $dataSize = mb_strlen($data, '8bit');
+        
+        $this->assertEquals($dataSize, 599639);
+    }
+    
+    public function testCompressDecompressWithPNGImage()
+    {
+        $demo = \file_get_contents(__DIR__ . '/../../../../resources/disk-b/kitten-1.png');
+        $demoSize = mb_strlen($demo, '8bit');
+
+        $data = $this->object->compress($demo);
+        $dataSize = mb_strlen($data, '8bit');
+
+        $this->assertEquals($demoSize, 3038056);
+        $this->assertEquals($dataSize, 3029202);
+        
+        $this->assertGreaterThan($dataSize, $demoSize);
+        
+        $data = $this->object->decompress($data);
+        $dataSize = mb_strlen($data, '8bit');
+        
+        $this->assertEquals($dataSize, 3038056);
+    }
+}
\ No newline at end of file
diff --git a/tests/unit/Storage/Devices/LocalTest.php b/tests/unit/Storage/Devices/LocalTest.php
new file mode 100644
index 000000000..7692ce21e
--- /dev/null
+++ b/tests/unit/Storage/Devices/LocalTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Appwrite\Tests;
+
+use Exception;
+use Storage\Storage;
+use Storage\Devices\Local;
+use PHPUnit\Framework\TestCase;
+
+class LocalTest extends TestCase
+{
+    public function setUp()
+    {
+    }
+
+    public function tearDown()
+    {
+    }
+
+    public function testExists()
+    {
+        $this->assertEquals(Storage::exists('disk-a'), true);
+        $this->assertEquals(Storage::exists('disk-b'), true);
+        $this->assertEquals(Storage::exists('disk-c'), false);
+    }
+}
\ No newline at end of file