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Dimitris Mitsis - Automated tests with CodeCept...
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WordPress Greek Community
November 19, 2016
Programming
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Dimitris Mitsis - Automated tests with CodeCeption - WordCamp Athens 2016
WordPress Greek Community
November 19, 2016
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Transcript
#wcAth2016 Δημήτρης Μήτσης Αυτοματοποιημένα test με το CodeCeption
Δημήτρης Μήτσης WPML DEVELOPMENT • QUALITY ASSURANCE • PERFORMANCE TESTING
AUTOMATED TESTING • Use of special software to compare the
actual output of an application with the one we expect
Manual tests Integration tests Unit Tests
NEEDS FOR AUTOMATED TESTING • Expedite procedure of quality control
• Quick releases • Integration with WordPress • Integration with 3rd party plugins
UNIT-TEST • TEST DRIVEN DEVELOPMENT (TDD) • PHPUnit Unit testing:
tests if specific parts of the application output the expected result for a given input
BENEFITS OF UNIT-TESTS • Enforce coding standards • Full awareness
of the stack-trace Avoid phrases like: “Works but I don’t know why” White-box testing
2 UnitTests – 0 Integration tests
• Avoid regressions (re-appearance of the same bug) • Ensure
that existing functionality remains • Frequency of updates SIMPLE NEEDS FOR AUTOMATED TESTING
UPDATES FOR WP SEO, WC & WP IN 2016
BEST COFFEE OF YOUR WEEK
CODECEPTION • Testing framework for PHP applications • Easy and
simple to use • Modular and extensible • Promotes design patterns
Unit Tester The geek! Knows the application inside- out Functional
Tester The tester who understands the application but has access to the interface too Acceptance Tester The user which can only test what he sees in the screen CODECEPTION Black box testing Grey box testing White box testing Integration tests
INSTALLATION OF CODECEPTION Requirements • Selenium Standalone • WordPress (website)
(locally or in server) • Browser • Composer • Phar αρχείο (executable) Installation
CODECEPTION – BOOTSTRAP $ wget http://codeception.com/codecept.phar $ php codecept.phar bootstrap
None
None
None
None
None
CODECEPTION – MANUAL TEST STEPS • Create a test product
• View product in the front-end • Add product to cart • Continue with checkout
CODECEPTION – GENERATE TEST $ php codecept.phar generate:cept acceptance WooCommerceBasic
/tests/acceptance/WooCommerceBasicCept.php
None
EMPTY CEST $ codeception.com/docs/06-ModulesAndHelpers#hooks
CODECEPTION – BOOTSTRAP
CODECEPTION –
CODECEPTION –
CODECEPTION – $
CODECEPTION –
php codecept.phar run acceptance --steps java -jar selenium-standalone.jar
CODECEPTION – LOCATORS • CSS ID click(“#css-id”) • CSS
CLASS click(“.css-class”) • TEXT click(“Text”) • xPath click(“//div[@xpath]”) Firebug and FirePath are your friends
CODECEPTION & SELENIUM IDE Two Firefox Add-ons • SeleniumIDE •
CodeCeption Formatters
CODECEPTION HELPERS tests/_support/ΑcceptanceTester.php
CODECEPTION Remember to build after editing this file! php codecept.phar
build
CODECEPTION
CODECEPTION – DESIGN PATTERNS Page Objects & Step Objects •
Each PageObject emphasizes only on one page and its elements. • Each StepObject emphasizes on similar recurring steps
CODECEPTION – PAGE OBJECTS • Locators are defined • Common
steps associated to one page are also defined in the PageObejct • They make tests easier to read
CODECEPTION php codecept.phar generate:pageobject EditProductPage
CODECEPTION
CODECEPTION
Q & A
THAT’S IT! HAPPY TESTING TINYURL.COM/
CODECEPTION – LINKS
CODECEPTION – TIPS <a id=”start_now” href=”...” >Link</a> $I->click( “#start_now” );
CODECEPTION – TIPS <div data-slug=”our-plugin” > // => Somewhere in
the DOM.. //div => ...there is a ...<div>... //div[ ] => ...and it has attributes... //div[ @data-slug=’our_plugin’ ]