Added test/Utils

tests/Utils/KeyCryptTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace LeagueTests\Utils;
+
+use League\OAuth2\Server\Utils\KeyCrypt;
+
+class KeyCryptTest extends \PHPUnit_Framework_TestCase
+{
+    public function testEncryptDecrypt()
+    {
+        $payload = 'alex loves whisky';
+        $encrypted = KeyCrypt::encrypt($payload, 'file://'.__DIR__.'/private.key');
+        $plainText = KeyCrypt::decrypt($encrypted, 'file://'.__DIR__.'/public.key');
+
+        $this->assertNotEquals($payload, $encrypted);
+        $this->assertEquals($payload, $plainText);
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testBadPrivateKey()
+    {
+        KeyCrypt::encrypt('', 'file://'.__DIR__.'/public.key');
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testBadPublicKey()
+    {
+        KeyCrypt::decrypt('', 'file://'.__DIR__.'/private.key');
+    }
+}