Testing on the Edge Sebastian Bergmann October 28th 2013

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1 Testing on the Edge Sebastian Bergmann October 28th 2013

2 Sebastian Bergmann» Has instrumentally contributed to transforming PHP into a reliable platform for large-scale, critical projects.» Enterprises and PHP developers around the world benefit from the tools that he has developed and the experience he shares. sharing experience

» Enterprises and PHP developers around the world benefit from the

3 sharing experience

5 Presentation Model Presentation View Template HTTP Abstraction Application Logic Routing Controller Domain Logic Persistence

6 Responsible for representing concepts of the business, information about the business situation, and business rules. State that reflects the business situation is controlled and used here, even though the technical details of storing it are delegated to the infrastructure. This layer is the heart of business software. Eric Evans Domain Logic

State that reflects the business situation is controlled and used here, even though

7 Unit

8 Unit Stub / Mock

9 Unit Unit

10 Disintegration Testing The peer review preliminary findings indicate that one team used English units (e.g., inches, feet and pounds) while the other used metric units for a key spacecraft operation.

11 Client Server

12 Selenium

13 Behat + Mink

14 PHPUnit + Mink

15 <?php use Behat\Mink\Session; use Behat\Mink\Driver\GoutteDriver; abstract class MinkTestCase extends PHPUnit_Framework_TestCase private $session; protected function setup() $this->session = new Session(new GoutteDriver); protected function visit($url) $this->session->visit($url); return $this->session->getpage(); sharing experience

function setup() $this->session = new Session(new GoutteDriver); protected function

16 <?php class ApplicationTest extends MinkTestCase public function testexamplepagecontainsexampletext() $page = $this->visit(' $this->assertcontains( 'Example Domain', $page->getcontent() ); sharing experience

20 Client Server

21 <?php namespace Company\Project; class Application public function run(requestinterface $request, ResponseInterface $response) //... sharing experience

22 <?php namespace Company\Project; interface ResponseInterface public function setdata($key, $value); public function getdata($key); public function hasdata($key); //... sharing experience

23 <?php namespace Company\Project\Tests; use Company\Project\Application; use Company\Project\Request; use Company\Project\Response; class HomepageTest extends PHPUnit_Framework_TestCase protected function setup() $this->application = new Application; $this->request = new Request; $this->response = new Response; public function testhasnavigation() $this->application->run($this->request, $this->response); $this->asserttrue($this->response->hasdata('navigation')); sharing experience

24 <?php namespace Company\Project\Tests; use Company\Project\Application; use Company\Project\Request; use Company\Project\Response; class HomepageTest extends PHPUnit_Framework_TestCase protected function setup() $this->application = new Application; $this->request = new Request; $this->response = new Response; public function testhasnavigation() $this->application->run($this->request, $this->response); $this->asserttrue($this->response->hasdata('navigation')); sharing experience

25 <?php namespace Company\Project\Tests; use Company\Project\Application; use Company\Project\Request; use Company\Project\Response; class HomepageTest extends IntegrationTestCase protected function setup() $this->application = new Application; $this->request = new Request; $this->response = new Response; public function testhasnavigation() $this->application->run($this->request, $this->response); $this->assertresponsehasdata('navigation', $this->response); sharing experience

26 Implementing Custom Assertions

27 <?php namespace Company\Project\Tests; use Company\Project\ResponseInterface; use PHPUnit_Framework_TestCase; abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase sharing experience

28 <?php namespace Company\Project\Tests; use Company\Project\ResponseInterface; use PHPUnit_Framework_TestCase; abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase public function assertresponsehasdata($name, ResponseInterface $response) sharing experience

29 <?php namespace Company\Project\Tests; use Company\Project\ResponseInterface; use PHPUnit_Framework_TestCase; abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase public function assertresponsehasdata($name, ResponseInterface $response) $constraint = new DataExistsConstraint($response); sharing experience

30 <?php namespace Company\Project\Tests; use Company\Project\ResponseInterface; use PHPUnit_Framework_Constraint; class DataExistsConstraint extends PHPUnit_Framework_Constraint private $response; public function construct(responseinterface $response) $this->response = $response; protected function matches($other) return $this->response->hasdata($other); public function tostring() return 'data exists'; sharing experience

31 <?php namespace Company\Project\Tests; use Company\Project\ResponseInterface; use PHPUnit_Framework_TestCase; abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase public function assertresponsehasdata($name, ResponseInterface $response) $constraint = new DataExistsConstraint($response); $this->assertthat($name, $constraint); sharing experience

32 <?php namespace Company\Project\Tests; use Company\Project\ResponseInterface; use PHPUnit_Framework_TestCase; abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase public function assertresponsehasdata($name, ResponseInterface $response) $constraint = new DataExistsConstraint($response); $this->assertthat($name, $constraint); public function assertresponsenothasdata($name, ResponseInterface $response) $constraint = new DataExistsConstraint($response); $this->assertthat($name, $this->logicalnot($constraint)); sharing experience

33 Looking ahead: Test Proxies in PHPUnit 3.8

34 <?php namespace Company\Project; class SampleWorkflow private $backend; private $service; public function construct(backend $backend, Service $service) $this->backend = $backend; $this->service = $service; public function execute(request $request) $this->service->dowork( $this->backend->getobjectbyid($request->getvalue('id')) ); sharing experience

35 <?php namespace Company\Project; use PHPUnit_Framework_TestCase; class SampleWorkflowTest extends PHPUnit_Framework_TestCase public function testservicecallupdatesobject() $service = $this->getmockbuilder('service') ->enableproxyingtooriginalmethods() ->getmock(); $service->expects($this->once()) ->method('dowork'); $backend = new Backend; $workflow = new SampleWorkflow($backend, $service); $workflow->execute(new Request(array('id' => 2204))); sharing experience

38 Become a Certified PHP Craftsman in 2014!

Sebastian Bergmann. Has instrumentally contributed to tranforming PHP into a reliable platform for large-scale, critical projects.

Sebastian Bergmann. Has instrumentally contributed to tranforming PHP into a reliable platform for large-scale, critical projects. Testing is h ard... rd The Wrong End of the Stick Sebastian Bergmann June 3 2013 Sebastian Bergmann» Has instrumentally contributed to tranforming PHP into a reliable platform for large-scale, critical