Refactored Authorization Cache

- Updated Authorization Cache Common Code
- Unit Tests

tests/PayPal/Test/Cache/AuthorizationCacheTest.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace PayPal\Test\Cache;
+use PayPal\Cache\AuthorizationCache;
+
+/**
+ * Test class for AuthorizationCacheTest.
+ *
+ */
+class AuthorizationCacheTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Sets up the fixture, for example, opens a network connection.
+     * This method is called before a test is executed.
+     */
+    protected function setUp()
+    {
+
+    }
+
+    /**
+     * Tears down the fixture, for example, closes a network connection.
+     * This method is called after a test is executed.
+     */
+    protected function tearDown()
+    {
+    }
+
+    public static function EnabledProvider()
+    {
+        return array(
+            array(array('cache.enabled' => 'true'), true),
+            array(array('cache.enabled' => true), true),
+            array(array(), false),
+            array(null, false)
+        );
+    }
+
+    public static function CachePathProvider()
+    {
+        return array(
+            array(array('cache.FileName' => 'temp.cache'), 'temp.cache'),
+            array(array(), 'auth.cache'),
+            array(null, 'auth.cache')
+        );
+    }
+
+    /**
+     *
+     * @dataProvider EnabledProvider
+     */
+    public function testIsEnabled($config, $expected)
+    {
+        $result = AuthorizationCache::isEnabled($config);
+        $this->assertEquals($expected, $result);
+    }
+
+    /**
+     * @dataProvider CachePathProvider
+     */
+    public function testCachePath($config, $expected)
+    {
+        $result = AuthorizationCache::cachePath($config);
+        $this->assertContains($expected, $result);
+    }
+
+}