Adds support for providing cli params when running tests.

Author: dsposito

README.md

@@ -13,9 +13,11 @@ Extractor provides an elegant interface to extract content from a URL using a va
     $content = $extractor->extract($this->url);
 
 ## Tests
-To run the test suite, install [composer](https://getcomposer.org/doc/00-intro.md#installation-linux-unix-osx) and then run the following commands from the root directory:
+To run the test suite, run the following commands from the root directory:
 
 ```
 composer install
-vendor/bin/phpunit
+vendor/bin/phpunit -d embedly_api_key=YOUR_EMBEDLY_API_KEY
 ```
+
+> **Note:** A valid Embedly API key is required when running the integration tests.

tests/Integration/TestCase.php

@@ -4,5 +4,32 @@
 
 class TestCase extends \PHPUnit_Framework_TestCase
 {
+    protected $config = [];
 
+    public function __construct()
+    {
+        $this->parseParams();
+    }
+
+    protected function parseParams()
+    {
+        $params = $_SERVER['argv'];
+        foreach ($params as $index => $param) {
+            if ($param != '-d') {
+                continue;
+            }
+
+            if (!$config = $params[$index + 1] ?? false) {
+                continue;
+            }
+
+            if (strpos($config, '=') === false) {
+                continue;
+            }
+
+            list($key, $value) = explode('=', $config);
+
+            $this->config[$key] = $value;
+        }
+    }
 }