TATFT

Joren

@joren

TDD

Why?

Test what?

• Test what should happen

• Test what should NOT happen

Red green refactoring• Add a test

• Run all tests

• Write Some code

• Run the tests again

• Refactor code

• Start over again

Regression tests

• Change environment

• Change code

• Is everything still working?

Different levels of testing

• Unit

• Functional

• Integration/BDD

Unit testing

• Most basic

• Database level

• Validations

Functional testing

• Lifecycle of objects

• Controllers

BDD

Integration tests - BDD

• Overall application functionalities

• Tell a story

• Walk through your application

Feature: Authenticating In order to ensure safety of our app As a developer I want be sure authentication can't be compromised

Scenario: Authenticating with wrong password  Given I've created a user for my reseller account "Openminds"  When I go to the homepage

And I fill in the following: | Login    | me@example.com | | Password | foobar         |

And I press "Log in"  Then I should see "Couldn't log you in"

Tell a story

Test data

• Mock, stub

• Fixtures

• Factories

Tools

Cruisecontrol

Git blame

Cucumber, Selenium

Any questions?