Added setOption()

src/AbstractCache.php

@@ -73,9 +73,24 @@ public function setOptions(array $options=null)
      */
     public function getOption($key)
     {
-        if (isset($this->options[$key])) {
-            return $this->options[$key];
+        if (!isset($this->options[$key])) {
+            throw new PsrCache\InvalidArgumentException(
+                sprintf('Invalid option "%s"', $key)
+            );
         }
+
+        return $this->options[$key];
+    }
+
+    /**
+     * Sets the named option.
+     *
+     * @param   string $key
+     * @param   mixed  $value
+     */
+    public function setOption($key, $value)
+    {
+        return $this->options[$key] = $value;
     }
 
     /**

tests/AbstractCacheTest.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ *
+ * This file is part of the Apix Project.
+ *
+ * (c) Franck Cassedanne <franck at ouarz.net>
+ *
+ * @license     http://opensource.org/licenses/BSD-3-Clause  New BSD License
+ *
+ */
+
+namespace Apix\Cache\tests;
+
+use Apix\Cache;
+
+class AbstractCacheTest extends TestCase
+{
+    protected $cache = null;
+
+    public function setUp()
+    {
+        $this->cache = new Cache\Runtime(null, $this->options);
+    }
+
+    public function tearDown()
+    {
+        if (null !== $this->cache) {
+            $this->cache->flush();
+            unset($this->cache);
+        }
+    }
+
+    public function testGetOption()
+    {
+        $this->assertSame(
+            $this->options['prefix_key'],
+            $this->cache->getOption('prefix_key')
+        );
+    }
+
+    /**
+     * @expectedException Apix\Cache\PsrCache\InvalidArgumentException
+     */
+    public function testGetOptionThrowAnInvalidArgumentException()
+    {
+        $this->cache->getOption('key');
+    }
+
+    public function testSetOption()
+    {
+        $this->cache->setOption('prefix_key', 'foo');
+
+        $this->assertSame('foo', $this->cache->getOption('prefix_key'));
+    }
+}