added test files

tests/Storage/Device/AzureBlobTest.php

@@ -0,0 +1,44 @@
+<?php 
+
+namespace Utopia\Tests\Storage\Device;
+
+use Utopia\Storage\Device\AzureBlob;
+use Utopia\Tests\Storage\S3Base;
+
+class AzureBlobTest extends S3Base
+{
+    protected function init(): void
+    {
+        $this->root = '/root';
+        $storageAccount = $_SERVER['AZURE_ACCOUNT'] ?? '';
+        $accessKey = $_SERVER['AZURE_ACCESS_KEY'] ?? '';
+        $container = 'azurebucket';
+
+        $this->object = new AzureBlob($this->root, $accessKey, $storageAccount, $container);
+    }
+
+    protected function getAdapterName(): string
+    {
+        return 'Azure Blob Storage';
+    }
+
+    protected function getAdapterType(): string
+    {
+        return $this->object->getType();
+    }
+
+    protected function getAdapterDescription(): string
+    {
+        return 'Azure Blob Storage';
+    }
+
+    /* It seems like we cannot use the testFileHash() function in S3Base because Azure Blob generates a 
+    different hash value each time, even for the same file. */ 
+    public function testFileHash()
+    {
+        $this->assertEquals($this->object->getFileHash($this->object->getPath('testing/kitten-1.jpg')), $this->object->getFileHash($this->object->getPath('testing/kitten-1.jpg')));
+        $this->assertEquals($this->object->getFileHash($this->object->getPath('testing/kitten-2.jpg')), $this->object->getFileHash($this->object->getPath('testing/kitten-2.jpg')));
+        $this->assertEquals($this->object->getFileHash($this->object->getPath('testing/kitten-1.png')), $this->object->getFileHash($this->object->getPath('testing/kitten-1.png')));
+        $this->assertEquals($this->object->getFileHash($this->object->getPath('testing/kitten-2.png')), $this->object->getFileHash($this->object->getPath('testing/kitten-2.png')));
+    }
+}