TYPO3 Congres 2012 - Test-Driven Development binnen TYPO3 Flow en Neos

Test Driven Development
met Flow en Neos

zondag 4 november 12

Rens Admiraal
Flow / Neos core developer

@renst3
rens.admiraal@typo3.org

Inspiring people to
http://tinyurl.com/9j4uhj3 share

Demo package

git clone --recursive git://github.com/radmiraal/Flow-and-Neos-Testing.git
cd Flow-and-Neos-Testing
curl -s https://getcomposer.org/installer | php
php composer.phar install --dev

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Bekendheid met testen

100% coverage en CI!
in control, goede coverage
starten goed, houden niet bij
te weinig, helaas...
... tests?

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Crap in === crap out

Ontwerp
Developers
Klant Eindproduct
Tools
...

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Team Proﬁel - De enthousiaste developer

Yeah, nieuw
project!

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Lekker vaartje!

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Eeeh, waar ben ik?

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Ooeeeeeei!

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Team Proﬁel - De bouwer

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Klant - De vrek

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Test Driven Development?

Schrijf eerst test === denk eerst
Snelste weg naar slagende test
Refactor later

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Test Driven Development Quotes

“Cease dependence on mass inspection to achieve quality.
Improve the process and build quality into the product in
the ﬁrst place.”

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PHP Code Testen

Flow testing framework gebruikt PHPUnit
BaseTest class biedt helpers
Conﬁguratie standaard aanwezig
Unit & Functionele tests

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Tests Uitvoeren

Unit tests:
phpunit -c Build/buildessentials/PhpUnit/UnitTests.xml

Functionele tests:
phpunit -c Build/buildessentials/PhpUnit/FunctionalTests.xml

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Unit / Functional tests

Een unit test...
test een class buiten zijn context
test kleine ‘units’ code

Een functionele test...
test de class in zijn context
tests dekken het volledige systeem

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UnitTestCase Helpers

Mock objecten
getAccessibleMock()
getAccessibleMockForAbstractClass()
Dependency Injection
inject()
Protected / private
_set()
_call()
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Dependency Injection

Gebruik injection method indien mogelijk
$mockFoo->injectBar($mockBar);
inject()
$this->inject($mockFoo, ‘bar’, $mockBar);
AccessibleMock
$mockFoo->_set(‘bar’, $mockBar);

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FunctionalTestCase

$testableSecurityEnabled
$testableHttpEnabled
$router
$testablePersistenceEnabled
$browser
$objectManager

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Persistence Test

/**
* @test
*/
public function aBlogCanBeCreatedAndPersisted() {
$blog = new TYPO3T3CONTestDomainModelBlog();
$blog->setTitle('foo');
$this->blogRepository->add($blog);

$this->persistenceManager->persistAll();
$this->persistenceManager->clearState();

$this->assertEquals(1, $this->blogRepository->countAll());
}

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HTTP Test

/**
* @test
*/
public function getControllerObjectNameIsEmptyIfNoRouteMatchesCurrentRequest() {
$this->router = new TYPO3FlowMvcRoutingRouter();
$request = TYPO3FlowHttpRequest::create(
new TYPO3FlowHttpUri('http://localhost')
);
$actionRequest = $this->router->route($request);
$this->assertEquals('', $actionRequest->getControllerObjectName());
}

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Security Test
/**
* @test
*/
public function administratorsAreAllowedToSeeHiddenRestrictableEntities() {
$this->authenticateRoles(array('Administrator'));

$defaultEntity = new FixturesRestrictableEntity('default');
$hiddenEntity = new FixturesRestrictableEntity('hiddenEntity');
$hiddenEntity->setHidden(TRUE);

// ...

$result = $this->restrictableEntityRepository->findAll();
$this->assertTrue(count($result) === 2);

$this->assertNotNull($this->persistenceManager
->getObjectByIdentifier($defaultEntityIdentifier,
'TYPO3T3CONTestTestsFunctionalSecurityFixturesRestrictableEntity'));
$this->assertNotNull($this->persistenceManager
->getObjectByIdentifier($hiddenEntityIdentifier,
'TYPO3T3CONTestTestsFunctionalSecurityFixturesRestrictableEntity'));

$this->restrictableEntityRepository->removeAll();
$this->persistenceManager->persistAll();
$this->persistenceManager->clearState();
}

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“Browser” Test

/**
* @test
*/
public function formIsRedisplayedIfValidationErrorsOccur() {
$this->browser->request('http://localhost/test/fluid/formobjects’);
$form = $this->browser->getForm();

$form['post']['email']->setValue('test_noValidEmail');

$this->browser->submit($form);
$form = $this->browser->getForm();
$this->assertSame('test_noValidEmail', $form['post']['email']->getValue());
$this->assertSame('f3-form-error', $this->browser->getCrawler()
->filterXPath('//*[@id="email"]')->attr('class'));

$form['post']['email']->setValue('another@email.org');

$response = $this->browser->submit($form);
$this->assertSame('Egon Olsen|another@email.org', $response->getContent());
}

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Test runner demo movie

TODO

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“During writing my tests, I recognize most of the
ﬂaws in my initial design.”

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JavaScript Testen

...
QUnit
Jasmine
JSTestDriver ...

JsUnit ...
...
YUI Test
...
Behat

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Vereisten

Compatible met Flow folder structuur
Compatible met requirejs
Headless testrunner
XML rapporten
‘Multi browser’ tests

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Buster.js

Browser attaching
Resource publishing
AMD Support
Meerdere ‘reporters’
Headless testing (Phantomjs)

Nog beta, wel serieuze activiteit
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Requirejs

var requireConfiguration = requireConfiguration || {};
requireConfiguration['TYPO3.T3CON.Test'] = {
baseUrl: buster.env.contextPath + '/Web/_Resources/Static/Packages/',
paths: {
'emberjs-lib': 'TYPO3.T3CON.Test/Library/emberjs/ember-0.9.7.min',
'jquery': 'TYPO3.T3CON.Test/JavaScript/jquery',
'emberjs': 'TYPO3.T3CON.Test/JavaScript/emberjs',
'queue': 'TYPO3.T3CON.Test/JavaScript/queue'
},
shim: {
'emberjs-lib': ['jquery'],
'queue': ['jquery']
}
};

@see Tests/JavaScript/Unit/testcase.js

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Test Syntax

Testcases
assertions
expectations
BDD

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Meerdere browsers tegelijkertijd testen
Successfully connected Phantomjs
PhantomJS 1.7.0, OS X: ........
Opera 12.02, OS X: ........
Safari 6.0.1, OS X: ........
Firefox 15.0.1, OS X: ........
12 test cases, 32 tests, 140 assertions, 0 failures, 0 errors, 0 timeouts
Finished in 0.047s

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“Mijn bug reproduceren met een test? Kan dat? Maar... dan
kan ik dus regressions voorkomen!”

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Continues Integration

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Tests uitvoeren met Jenkins

Gerrit trigger op patches
Unit tests (evt. functioneel)
Resultaat post op IRC

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presentationShouldBePrepared()

presentationShouldBeGiven()

questionsShouldBeAnswered()

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TYPO3 Congres 2012 - Test-Driven Development binnen TYPO3 Flow en Neos

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