Outside-in TDD with Test Doubles

A Test-Driven Development Refresher.
- Types of test doubles.
- How to create a test double manually or using a framework.
- Classic TDD vs Mockist TDD.

Transcript

1. Cork Software Crafters
2. Wri a l un s Mak te p Ref r
3. Wri a l un s Mak te p Ref r Wri a l ac t e t
5. Sale + scan(barcode: String) Lcd2x16Display + showLine(line: String)
6. Sale + scan(barcode: String) <<interface>> Display + showLine(line: String) Lcd2x16Display + showLine(line: String)
8. Sale + scan(barcode: String) <<interface>> Display + showLine(line: String) Lcd2x16Display + showLine(line: String) SpyDisplay - lastLine: String + showLine(line: String) + getLastLine(): String
12. • • • • •
13. Stub vs Spy vs Mock
14. • • • • • • ◦ ◦ ◦
17. • • • • • •