Behat RestContext example

FeatureContext.php

<?php

use Behat\Behat\Context\BehatContext;

require_once 'RestContext.php';

/**
 * Features context.
 */
class FeatureContext extends BehatContext
{
    /**
     * Initializes context.
     * Every scenario gets it's own context object.
     *
     * @param array $parameters context parameters (set them up through behat.yml)
     */
    public function __construct(array $parameters)
    {
        $this->useContext('RestContext', new RestContext('http://127.0.0.1:8080'));
    }
}

RestContext.php

<?php

require_once 'PHPUnit/Autoload.php';
require_once 'PHPUnit/Framework/Assert/Functions.php';

class RestContext extends \Behat\Behat\Context\BehatContext
{
    /**
     * @var string
     */
    protected $requestObjectType;

    /**
     * @var string
     */
    protected $requestMethod;

    /**
     * @var array
     */
    protected $requestParams = array();

    /**
     * @var Requests_Response
     */
    protected $response;

    /**
     * @var object
     */
    protected $responseParams;

    /**
     * @var string
     */
    protected $apiUrl;

    /**
     * @param $apiUrl
     */
    public function __construct($apiUrl)
    {
        $this->apiUrl = $apiUrl;
    }

    /**
     * @Given /^that I want to start a new "([^"]*)"$/
     */
    public function thatIWantToStartANew($objectType)
    {
        $this->requestObjectType = $objectType;
        $this->requestMethod = Requests::POST;
    }

    /**
     * @Given /^that its "([^"]*)" is "([^"]*)"$/
     */
    public function thatItsIs($paramName, $value)
    {
        $this->requestParams[$paramName] = $value;
    }

    /**
     * @When /^I request "([^"]*)"$/
     */
    public function iRequest($path)
    {
        // TODO : http build quuery for GET & DELETE method.
        $this->response = Requests::request($this->apiUrl . $path, array(), $this->requestParams, $this->requestMethod);
        $this->responseParams = json_decode($this->response->body);
    }

    /**
     * @Then /^the response content type should be "([^"]*)"$/
     */
    public function theResponseContentTypeShouldBe($contentType)
    {
        assertNotEmpty(json_decode($this->response->body));
        assertEquals($contentType, $this->response->headers->offsetGet('content-type'));
    }

    /**
     * @Given /^the response status code should be (\d+)$/
     */
    public function theResponseStatusCodeShouldBe($statusCode)
    {
        assertEquals($statusCode, $this->response->status_code);
    }

    /**
     * @Given /^the response has a "([^"]*)" property$/
     */
    public function theResponseHasAProperty($propertyName)
    {
        $propertyNames = explode('.', $propertyName);
        $params = $this->responseParams;
        foreach ($propertyNames as $key) {
            assertObjectHasAttribute($key, $params);
            $params = $params->$key;
        }
    }

    /**
     * @Given /^the "([^"]*)" property should be "([^"]*)"$/
     */
    public function thePropertyShouldBe($propertyName, $expectedValue)
    {
        $propertyNames = explode('.', $propertyName);
        $value = null;
        $params = $this->responseParams;
        foreach ($propertyNames as $key) {
            $value = $params->$key;
            $params = $params->$key;
        }

        assertEquals($expectedValue, $value);
    }
}

result.md

Subscription.feature

# features/Subscription.feature
Feature: Subscription

Scenario: Start subscription with only required parameters
  Given that I want to start a new "Subscription"
  And that its "token" is "token1"
  And that its "operator_id" is "1"
  And that its "channel_id" is "1"
  And that its "identifier" is "customer1"
  When I request "/api/services/1/subscriptions"
  Then the response content type should be "application/json"
  And the response status code should be 201
  And the response has a "meta" property
  And the response has a "meta.requestId" property
  And the response has a "meta.httpStatusCode" property
  And the response has a "id" property
  And the "meta.httpStatusCode" property should be "201"