Liip\FunctionalTestBundle\Utils\HttpAssertions

Complexity

Total Complexity

10

Size/Duplication

Total Lines	76
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	6

Importance

Changes	2
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
B	assertStatusCode()	0	21	5
A	assertValidationErrors()	0	8	1
A	isSuccessful()	0	20	4

<?php

/*
 * This file is part of the Liip/FunctionalTestBundle
 *
 * (c) Lukas Kahwe Smith <smith@pooteeweet.org>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Liip\FunctionalTestBundle\Utils;

use Symfony\Bundle\FrameworkBundle\Client;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DomCrawler\Crawler;
use Symfony\Component\HttpFoundation\Response;
use Liip\FunctionalTestBundle\Test\ValidationErrorsConstraint;

class HttpAssertions extends \PHPUnit_Framework_TestCase
{
    /**
     * Checks the success state of a response.
     *
     * @param Response $response Response object
     * @param bool     $success  to define whether the response is expected to be successful
     * @param string   $type
     */
    public static function isSuccessful(Response $response, $success = true, $type = 'text/html')
    {
        try {
            $crawler = new Crawler();
            $crawler->addContent($response->getContent(), $type);
            if (!count($crawler->filter('title'))) {
                $title = '['.$response->getStatusCode().'] - '.$response->getContent();
            } else {
                $title = $crawler->filter('title')->text();
            }
        } catch (\Exception $e) {
            $title = $e->getMessage();
        }

        if ($success) {
            self::assertTrue($response->isSuccessful(), 'The Response was not successful: '.$title);
        } else {
            self::assertFalse($response->isSuccessful(), 'The Response was successful: '.$title);
        }
    }

    /**
     * Asserts that the HTTP response code of the last request performed by
     * $client matches the expected code. If not, raises an error with more
     * information.
     *
     * @param $expectedStatusCode
     * @param Client $client
     */
    public static function assertStatusCode($expectedStatusCode, Client $client)
    {
        $helpfulErrorMessage = null;

        if ($expectedStatusCode !== $client->getResponse()->getStatusCode()) {
            // Get a more useful error message, if available
            if ($exception = $client->getContainer()->get('liip_functional_test.exception_listener')->getLastException()) {
                $helpfulErrorMessage = $exception->getMessage();
            } elseif (count($validationErrors = $client->getContainer()->get('liip_functional_test.validator')->getLastErrors())) {
                $helpfulErrorMessage = "Unexpected validation errors:\n";

                foreach ($validationErrors as $error) {
                    $helpfulErrorMessage .= sprintf("+ %s: %s\n", $error->getPropertyPath(), $error->getMessage());
                }
            } else {
                $helpfulErrorMessage = substr($client->getResponse(), 0, 200);
            }
        }

        self::assertEquals($expectedStatusCode, $client->getResponse()->getStatusCode(), $helpfulErrorMessage);
    }

    /**
     * Assert that the last validation errors within $container match the
     * expected keys.
     *
     * @param array              $expected  A flat array of field names
     * @param ContainerInterface $container
     */
    public static function assertValidationErrors(array $expected, ContainerInterface $container)
    {
        self::assertThat(
            $container->get('liip_functional_test.validator')->getLastErrors(),
            new ValidationErrorsConstraint($expected),
            'Validation errors should match.'
        );
    }
}