Added support for simple cache (#134)

* Added support for SimpleCache

* Added tests

* Bugfix with cloning

* Style fix

* Minor

* Updated integration tests version

* Bugfix

* Allow same keys

* cs

Author: Nyholm

Tests/CreatePoolTrait.php

@@ -27,6 +27,11 @@ public function createCachePool()
         return new FilesystemCachePool($this->getFilesystem());
     }
 
+    public function createSimpleCache()
+    {
+        return $this->createCachePool();
+    }
+
     private function getFilesystem()
     {
         if ($this->filesystem === null) {

Tests/IntegrationSimpleCacheTest.php

@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of php-cache organization.
+ *
+ * (c) 2015 Aaron Scherer <[email protected]>, Tobias Nyholm <[email protected]>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Cache\Adapter\Filesystem\Tests;
+
+use Cache\IntegrationTests\SimpleCacheTest;
+
+class IntegrationSimpleCacheTest extends SimpleCacheTest
+{
+    use CreatePoolTrait;
+}

composer.json

@@ -26,12 +26,13 @@
     "require":           {
         "php":                  "^5.5 || ^7.0",
         "psr/cache":            "^1.0",
+        "psr/simple-cache":     "^1.0",
         "cache/adapter-common": "^0.4",
         "league/flysystem":     "^1.0"
     },
     "require-dev":       {
         "phpunit/phpunit":         "^4.0 || ^5.1",
-        "cache/integration-tests": "^0.14"
+        "cache/integration-tests": "^0.16"
     },
     "provide":           {
         "psr/cache-implementation": "^1.0"