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![When i fill in 'input.flooble-widgets[:first]' with 'FooBar'
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Write BDD in the domain language
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You should never see any DOM elements](https://image.slidesharecdn.com/bddusingbehat-140118144048-phpapp01/85/BDD-using-behat-29-320.jpg)
Uploaded byPascal Larocque
BDD using behat
The document outlines the principles and practices of Behavior Driven Development (BDD) using Behat, emphasizing the importance of clear communication between business and development teams through human-readable stories. It covers installation steps, feature and scenario creation using Gherkin syntax, and introduces tools like Mink and Selenium for testing web applications. Additionally, it discusses common anti-patterns in writing BDD scenarios and promotes best practices for effective implementation.
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BDD using behat
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- 2. Isn’t it obvious…??? ○ Whattest should I write next? ○ How do I know when I’ve written the last test? ○ Am I writing the right code?
- 4. “ If you can'texplain it simply, you don't understand it well enough ! Albert Einstein ”
- 5. Why BDD? ○ Write Human-readablestories that describe the behaviour of your application ○ Focuses the communication between the business and the developers ○ Code is self documenting ○ Code is easier to maintain
- 6. BEHAT INSTALL ○ Composer ○ PHAR ○ GIT INIT ○ mkdir Calculator ○ cd Calculator ○ behat--init ./features /bootstrap FeatureContext.php
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- 8. Feature - Gherkins #features/BananaCalculator.features # Describe the business value of this feature Feature: Banana Calculator As Bob the Banana merchant, I want a calculator that can add the amount of bananas so that I can know how many bananas I currently have
- 9. Scenario - Gherkins #features/BananaCalculator.features # Describe the business rules with scenarios Scenario: Will add 2 banana amounts
- 10. Steps - Gherkins #features/BananaCalculator.features # Describe the steps Given I have 3 Bananas When I add 5 Bananas Then I should have 8 Banana
- 11. Example Feature: Banana Calculator AsBob the Banana merchant, I want a calculator that can add the amount of bananas so that I can know how many bananas I currently have Scenario: Will add 2 banana amounts Given I have 3 Bananas When I add 5 Bananas Then I should have 8 Banana
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- 16. Passing Parameters andTagging
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- 18. Managing Sub-Context ○ Context filescan get really big really fast ○ Certain steps are repeated across multiple Feature files
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- 20. Mink In order totest, that our web application behaves correctly, we need a way to simulate this interaction between browser and web application in our tests Mink is an open source acceptance test framework for web applications
- 22. Goutte ○ Headless Browser ○ No JSsupport ○ Good for testing REST API
- 23. Selenium ○ JS Support ○ Can runmultiple browser ○ Need to start Selenium RC ○ Not Headless ○ Need to load Drivers for different browsers ○ Doesn’t play nice at times java -jar selenium-serverstandalone.jar java -jar selenium-serverstandalone.jar Dwebdriver.chrome.driver= "/usr/local/bin/chromedriver"
- 24. Sahi ○ JS Support (kinda) ○ Canrun Multiple browsers ○ Need to setup localhost proxy in browser ○ Not headless ○ Issues with Ajax Request
- 25. PhantomJS ○ JS Support ○ Headless browser ○ PureAwesomeness ! phantomjs --webdriver=8643
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- 29. When i fillin 'input.flooble-widgets[:first]' with 'FooBar' ○ Write BDD in the domain language ○ You should never see any DOM elements
- 30. Anti-pattern When I subscribeto the newsletter rather than And I set the value of 'input#newsletter-signup-checkbox' to '1' and When I search for articles containing the words 'rockets' rather than When I fill in 'input#search-terms' with 'rockets' And I click 'button#search-button'
- 31. And I wait10 seconds ○ This is not a requirement ○ Roll up the execution into the page element
- 32. Try this public functionsearch($keywords) { $searchForm = $this->find('css', 'form#search'); if (!$searchForm) { throw new ElementNotFoundException($this->getSession(), 'form', 'css', 'form#search'); } $searchForm->fillField('q', $keywords); $searchForm->pressButton('Google Search'); return $this->getPage('Search results'); }
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- 35. BDD & TDD= BFF
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