Unit Testing in Go

Unit Testing 101 and how to implement unit testing in Go

Transcript

1. Unit Testing in Go Harits Fahreza Christyonotoputra harits@ruangguru.com
2. Unit Testing? “One of the methods that used to make sure your code is not broke” “...unit tests are not an effective way to find bugs or detect regressions. They examine each unit of your code separately”
3. import “testing”
6. > go test
7. > go test -cover
8. Tips for writing a good Unit Test
9. Do • Make Them Short • Make Them Fast • 100% Pass • Give a good name • Design your test • Try it by yourself
10. Don’t • Repeat Yourself • < 100% Pass • Hard to Read
11. Cool Libs
12. github.com/stretchr/testify
13. github.com/vektra/mockery
14. github.com/Selvatico/go-mocket
15. github.com/Selvatico/go-mocket
16. github.com/jarcoal/httpmock
17. Want more? github.com/avelino/awesome-go#testing
18. Conclusion • Unit Test just to make sure your code is not broke • It is not an effective way to find bugs or detect regressions • It examine each unit of your code separately • Go has default `testing` package • There are tools and libs that can help us to make a good unit test
19. References • https://blog.alexellis.io/golang-writing-unit-tests/ • http://blog.stevensanderson.com/2009/08/24/writing-great -unit-tests-best-and-worst-practises/ • https://dzone.com/articles/10-tips-to-writing-good-unit-tests
20. Next Stop? • TDD • Improve Code Quality • Integration Test
21. Maturnuwun! Harits Fahreza Christyonotoputra harits@ruangguru.com