Add tests for classes in the Predis\Protocol\Text namespace.

This was the only namespace containing classes with no tests.

tests/Predis/Protocol/Text/ResponseErrorHandlerTest.php

@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Protocol\Text;
+
+use \PHPUnit_Framework_TestCase as StandardTestCase;
+
+/**
+ *
+ */
+class ResponseErrorHandlerTest extends StandardTestCase
+{
+    /**
+     * @group disconnected
+     */
+    public function testOk()
+    {
+        $handler = new ResponseErrorHandler();
+
+        $connection = $this->getMock('Predis\Connection\ComposableConnectionInterface');
+
+        $connection->expects($this->never())->method('readLine');
+        $connection->expects($this->never())->method('readBytes');
+
+        $message = "ERR Operation against a key holding the wrong kind of value";
+        $response = $handler->handle($connection, $message);
+
+        $this->assertInstanceOf('Predis\ResponseError', $response);
+        $this->assertSame($message, $response->getMessage());
+    }
+}