Version 4 supported
This version of Silverstripe CMS is still supported though will not receive any additional features. Go to documentation for the most recent stable version.

How to's: testing

How to write a SapphireTest
Learn the basics of unit testing in Silverstripe
How to write a FunctionalTest
Expand your testing capabilities with integrations tests
How to use a FixtureFactory
Provide context to your tests with database fixtures
How to test emails within unit tests
Test email functionality without ever hitting an inbox