Extracted Curly request methods to interface

src/Curly.php

@@ -12,6 +12,7 @@ namespace OneOfZero\Curly;
 use OneOfZero\Curly\Handlers\AbstractHandler;
 use OneOfZero\Streams\SharedStreamInterface;
 use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\StreamInterface;
 use Zend\Diactoros\Request;
 use Zend\Diactoros\Response;
@@ -24,7 +25,7 @@ use Zend\Diactoros\Stream;
  *
  * @package OneOfZero\Curly
  */
-class Curly
+class Curly implements HttpClientInterface
 {
 	/**
 	 * Holds the cURL options relevant to this instance.
@@ -58,7 +59,7 @@ class Curly
 	 * @param string $url
 	 * @param string $method
 	 *
-	 * @return Response
+	 * @return ResponseInterface
 	 */
 	public function requestByUrl($url, $method = 'GET')
 	{
@@ -72,7 +73,7 @@ class Curly
 	 *
 	 * @param RequestInterface $request
 	 *
-	 * @return Response
+	 * @return ResponseInterface
 	 */
 	public function request(RequestInterface $request)
 	{

src/HttpClientInterface.php

+<?php
+
+/**
+ * Copyright (c) 2015 Bernardo van der Wal
+ * MIT License
+ *
+ * Refer to the LICENSE file for the full copyright notice.
+ */
+
+namespace OneOfZero\Curly;
+
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+interface HttpClientInterface
+{
+	/**
+	 * Executes a request with the provided URL and method.
+	 *
+	 * Returns a PSR-7 response object.
+	 *
+	 * @param string $url
+	 * @param string $method
+	 *
+	 * @return ResponseInterface
+	 */
+	public function requestByUrl($url, $method = 'GET');
+
+	/**
+	 * Executes a request with the provided PSR-7 request object.
+	 *
+	 * Returns a PSR-7 response object.
+	 *
+	 * @param RequestInterface $request
+	 *
+	 * @return ResponseInterface
+	 */
+	public function request(RequestInterface $request);
+}
\ No newline at end of file