FunctionalTestCase.php

<?php
namespace Functional;

use PHPUnit_Framework_TestCase;

/**
 * Helper to testing RESTful Requests with PHPUnit.
 *
 * @uses PHPUnit_Framework_TestCase
 * @abstract
 */
abstract class FunctionalTestCase extends PHPUnit_Framework_TestCase
{
    protected $curlResource;

    /**
     * Sets the tests up by cheking for the cURL extension.
     *
     */
    public function setUp()
    {
        if (!extension_loaded('curl')) {
            $this->markTestSkipped('Warning: curl extension is not loaded.');
        }
    }

    /**
     * Sets up the curl request.
     *
     * @param  mixed $url
     * @return void
     */
    protected function setUpRequest($url)
    {
        $this->curlResource = curl_init();

        curl_setopt($this->curlResource, CURLOPT_URL, $url);
        curl_setopt($this->curlResource, CURLOPT_HEADER, true);
        curl_setopt($this->curlResource, CURLOPT_RETURNTRANSFER, true);
    }

    /**
     * makeGetRequest
     *
     * @param  string $url
     * @return array
     */
    public function makeGetRequest($url)
    {
        $this->setUpRequest($url);

        return $this->parseResponse();
    }

    /**
     * makePostRequest
     *
     * @param  string $url
     * @param  array  $data
     * @return array
     */
    public function makePostRequest($url, $data)
    {
        $this->setUpRequest($url);
        curl_setopt($this->curlResource, CURLOPT_POST, count($data));
        curl_setopt($this->curlResource, CURLOPT_POSTFIELDS, http_build_query($data));

        return $this->parseResponse();
    }

    /**
     * makePutRequest
     *
     * @param  string $url
     * @param  array  $data
     * @return void
     */
    public function makePutRequest($url, $data)
    {
        $this->setUpRequest($url);
        curl_setopt($this->curlResource, CURLOPT_CUSTOMREQUEST, 'PUT');
        curl_setopt($this->curlResource, CURLOPT_POSTFIELDS, http_build_query($data));

        return $this->parseResponse();
    }

    /**
     * makeDeleteRequest
     *
     * @param  string $url
     * @return void
     */
    public function makeDeleteRequest($url)
    {
        $this->setUpRequest($url);
        curl_setopt($this->curlResource, CURLOPT_CUSTOMREQUEST, 'DELETE');

        return $this->parseResponse();
    }

    /**
     * Retorna um array com HTTP Status Code, Headers e Content
     * respectivamente.
     *
     * @param  string $response
     * @return array
     */
    protected function parseResponse()
    {
        $response = curl_exec($this->curlResource);
        $http_status_code = curl_getinfo($this->curlResource, CURLINFO_HTTP_CODE);
        curl_close($this->curlResource);
        $response = explode('\r\n\r\n', $response);
        $headers = $response[0];
        $content = count($response) > 1 ? $response[1] : '';

        return array(
            $http_status_code,
            $headers,
            $content
        );
    }

}