How to test in Drupal. Short and brief presentation.

1. Testing
In Drupal

3. Reasons of testing
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Find bugs
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Semantics (not for syntax)
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Function
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Class
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API
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Service
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Ensure workflow – user stories
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Make less work for us ;)

4. Goodies
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Automation
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Speed (code, grid)
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Triggered tests (Hudson)
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Bug → solution → test
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TDD
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Safer refactoring

5. Types
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Unit
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Functional
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Ad-hoc

6. Ad-hoc
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On demand
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Random
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Unreliable

7. Unit test
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Checks
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Code
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Behavior
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Integrity
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Elements
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SetUp
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TearDown
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Test
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Assertion
– Value
– Message
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Test sets

9. Unit test libs
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PHPUnit (PHP)
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http://www.phpunit.de/manual/3.4/en/writing-tests-f
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JUnit (Java)
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NUnit (C#)
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Simpletest (PHP)

10. Functional test
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UI
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Text
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Widgets (button, form, ...)
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Behavior
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Workflow
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Browser

12. Functional test libs
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Selenium
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Core
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Plugins (Eclipse, Firefox)
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RC
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Grid
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Castle

13. Drupal + test
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Simpletest (unit + ~functional)
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D6 → use Simpletest module
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D7 → in core
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Subclass DrupalWebTestCase
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In case of OpenAtrium: AtriumWebTestCase

14. Drupal + Simpletest
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Start test (WebUI or script)
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Create new environment
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Run tests
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Clear environment

15. DEMO

17. Links
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http://en.wikipedia.org/wiki/Test-driven_develo
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http://www.phpunit.de/
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http://xunitpatterns.com/
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http://www.drupal.org/project/simpletest
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http://qa.drupal.org/