Add unit tests for storage library

tests/unit/Storage/StorageTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Appwrite\Tests;
+
+use Exception;
+use Storage\Storage;
+use Storage\Devices\Local;
+use PHPUnit\Framework\TestCase;
+
+Storage::addDevice('disk-a', new Local(__DIR__ . '../../resources/disk-a'));
+Storage::addDevice('disk-b', new Local(__DIR__ . '../../resources/disk-b'));
+
+class StorageTest extends TestCase
+{
+    public function setUp()
+    {
+    }
+
+    public function tearDown()
+    {
+    }
+
+    public function testGetters()
+    {
+        $this->assertEquals(get_class(Storage::getDevice('disk-a')), 'Storage\Devices\Local');
+        $this->assertEquals(get_class(Storage::getDevice('disk-b')), 'Storage\Devices\Local');
+
+        try {
+            get_class(Storage::getDevice('disk-c'));
+            $this->fail("Expected exception not thrown");
+        } catch(Exception $e) {
+            $this->assertEquals('The device "disk-c" is not listed', $e->getMessage());
+        }
+    }
+
+    public function testExists()
+    {
+        $this->assertEquals(Storage::exists('disk-a'), true);
+        $this->assertEquals(Storage::exists('disk-b'), true);
+        $this->assertEquals(Storage::exists('disk-c'), false);
+    }
+}

tests/unit/Storage/Validators/FileNameTest.php

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+<?php
+
+namespace Appwrite\Tests;
+
+use Storage\Validators\FileName;
+use PHPUnit\Framework\TestCase;
+
+class FileNameTest extends TestCase
+{
+    /**
+     * @var FileName
+     */
+    protected $object = null;
+
+    public function setUp()
+    {
+        $this->object = new FileName();
+    }
+
+    public function tearDown()
+    {
+    }
+
+    public function testValues()
+    {
+        $this->assertEquals($this->object->isValid(''), false);
+        $this->assertEquals($this->object->isValid(null), false);
+        $this->assertEquals($this->object->isValid(false), false);
+        $this->assertEquals($this->object->isValid('../test'), false);
+        $this->assertEquals($this->object->isValid('test.png'), true);
+        $this->assertEquals($this->object->isValid('test'), true);
+    }
+}

tests/unit/Storage/Validators/FileSizeTest.php

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+<?php
+
+namespace Appwrite\Tests;
+
+use Storage\Validators\FileSize;
+use PHPUnit\Framework\TestCase;
+
+class FileSizeTest extends TestCase
+{
+    /**
+     * @var FileSize
+     */
+    protected $object = null;
+
+    public function setUp()
+    {
+        $this->object = new FileSize(1000);
+    }
+
+    public function tearDown()
+    {
+    }
+
+    public function testValues()
+    {
+        $this->assertEquals($this->object->isValid(1001), false);
+        $this->assertEquals($this->object->isValid(1000), true);
+        $this->assertEquals($this->object->isValid(999), true);
+    }
+}