Intro

Arrange Act Assert

http://wiki.c2.com/?ArrangeActAssert

Values

• models vs. stubs - what is "testing purity"?
• builders or factories (create :deposit 20)
• deepEqual (by-ref vs. by-value)

Testing evil

• db access / filesystem
• async
• date/time

Testing purity

• "object-oriented programming" is about messages and message passing

The testing pyramid