diff --git a/tests/unit/Detector/DetectorTest.php b/tests/unit/Detector/DetectorTest.php
new file mode 100644
index 000000000..7d9c8f107
--- /dev/null
+++ b/tests/unit/Detector/DetectorTest.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Appwrite\Tests;
+
+use Appwrite\Detector\Detector;
+use PHPUnit\Framework\TestCase;
+
+class DetectorTest extends TestCase
+{
+    /**
+     * @var Detector
+     */
+    protected $object = null;
+
+    public function setUp(): void
+    {
+        $this->object = new Detector('Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0');
+    }
+
+    public function tearDown(): void
+    {
+    }
+
+    public function testGetOS()
+    {
+        $this->assertEquals($this->object->getOS(), [
+            'osCode' => 'WIN',
+            'osName' => 'Windows',
+            'osVersion' => '7',
+        ]);
+    }
+
+    public function testGetClient()
+    {
+        $this->assertEquals($this->object->getClient(), [
+            'clientType' => 'browser',
+            'clientCode' => 'FF',
+            'clientName' => 'Firefox',
+            'clientVersion' => '47.0',
+            'clientEngine' => 'Gecko',
+            'clientEngineVersion' => '',
+        ]);
+    }
+
+    public function testGetDevice()
+    {
+        $this->assertEquals($this->object->getDevice(), [
+            'deviceName' => 'desktop',
+            'deviceBrand' => '',
+            'deviceModel' => '',
+        ]);
+    }
+
+}