Add NOP identifier (#58)

* Add NOP identifier

* Remove use of unused class

Author: nerg4l

README.md

@@ -41,6 +41,7 @@ project at the moment is [tus](https://tus.io/).
     - [simple-uploader.js](#simple-uploader-js-driver)
 - [Identifiers](#identifiers)
     - [Session identifier](#session-identifier)
+    - [NOP identifier](#nop-identifier)
 - [Contribution](#contribution)
 - [License](#license)
 
@@ -197,10 +198,16 @@ file for a specific client. Without the identifier collisions can happen.
 Service                                   | Driver name
 ------------------------------------------|-------------
 [Session identifier](#session-identifier) | `session`
+[NOP identifier](#nop-identifier)         | `nop`
 
 ### Session identifier
 
-This identifier uses the client session and the original file name to create an identifier for the upload file.
+This identifier uses the client session and, the original file name to create an identifier for the upload file.
+
+### NOP identifier
+
+This identifier uses the original file name to create an identifier for the upload file. This does not abstract the file
+identifier which can be useful for testing.
 
 ## Contribution
 

src/Identifier/NopIdentifier.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace CodingSocks\ChunkUploader\Identifier;
+
+class NopIdentifier extends Identifier
+{
+    public function generateIdentifier(string $data): string
+    {
+        return $data;
+    }
+}

src/IdentityManager.php

@@ -2,6 +2,7 @@
 
 namespace CodingSocks\ChunkUploader;
 
+use CodingSocks\ChunkUploader\Identifier\NopIdentifier;
 use CodingSocks\ChunkUploader\Identifier\SessionIdentifier;
 use Illuminate\Support\Manager;
 
@@ -12,6 +13,11 @@ public function createSessionDriver()
         return new SessionIdentifier();
     }
 
+    public function createNopDriver()
+    {
+        return new NopIdentifier();
+    }
+
     /**
      * Get the default driver name.
      *

tests/Identifier/NopIdentifierTest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace CodingSocks\ChunkUploader\Tests\Identifier;
+
+use CodingSocks\ChunkUploader\Identifier\NopIdentifier;
+use PHPUnit\Framework\TestCase;
+
+class NopIdentifierTest extends TestCase
+{
+    /**
+     * @var \CodingSocks\ChunkUploader\Identifier\SessionIdentifier
+     */
+    private $identifier;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->identifier = new NopIdentifier();
+    }
+
+    public function testGenerateIdentifier()
+    {
+        $identifier = $this->identifier->generateIdentifier('any_string');
+        $this->assertEquals('any_string', $identifier);
+    }
+
+    public function testUploadedFileIdentifierName()
+    {
+        $identifier = $this->identifier->generateFileIdentifier(200, 'any_filename.ext');
+        $this->assertEquals('200_any_filename.ext', $identifier);
+    }
+}