How Go test tests

Presentation for golang.tokyo #11

Transcript

1. How Go test tests @__timakin__
2. • Seiji Takahashi • Github: timakin / Twitter: @__timakin__ • גࣜձࣾGunosy ৽نࣄۀ։ൃࣨ • Go / Swift ࣗݾ঺հ
3. Copyright© Gunosy Inc. All Rights Reserved 3 Go / Python ΤϯδχΞืूத ▶https://gunosy.co.jp/recruit/ Gunosy͸ɺ౦ژେֶʹ௨͏3ਓͷֶੜͷ
 ʮ৘ใΛੈքதͷਓʹ࠷దʹಧ͚͍ͨʯͱ͍͏૝͍͔Β࢝·Γ·ͨ͠ɻ ౦ূϚβʔζ্৔ɺ࿡ຊ໦ώϧζ΁ͷΦϑΟεҠసΛܦͯɺ
 େ͖͘੒௕͍ͯ͠ΔձࣾͰ׆༂͍ͨ͠ϝϯόʔΛืू͍ͯ͠·͢ɻ
4. Test of test
6. Go1.9~ ؔ਺͕ͲΜͳग़ྗΛ͢Δͷ͔ɺ ExampleΛఆٛͰ͖ΔΑ͏ʹ
9. TestίϚϯυʹؔΘΔ࣮૷ • src/testing • ςετ࣮ߦ࣌ʹ࢖͏T, BͳͲͷ࣮૷ • testing.commonͱ͍͏ߏ଄ମ͕ϝΠϯϩδοΫΛ͍࣋ͬͯΔ • ίϚϯυͷflagύʔε • benchmarking, ΧόϨοδଌఆͳͲ • Fail, SkipͳͲͷ࣮૷
10. common
12. গͳ͍ʂ؆୯ʂ
13. Mergeͯ͠΄͍͠ʂ
14. Can you add tests?
15. ςετͷ࣮ߦ݁Ռͬͯ
 Ͳ͏΍ͬͯ
 ςετ͢ΔΜͩʁ
16. ςετͬͯͲ͏΍ͬͯ
 ςετ͢ΔΜͩʁ
17. For testing tests • src/cmd/go/go_test.go • Go commandsͷςετ࣮ߦ
18. For testing tests • src/cmd/go/go_test.go • Go commandsͷςετ࣮ߦ
19. For testing tests • testgoData • ͍͍ײ͡ʹfixtureΛಡΈࠐΜͩΓɺ
 ࣮ߦޙͷCleanupΛͯ͘͠ΕΔ

20. For testing tests • src/cmd/go/testdata/src/* • ςετ༻ͷFixtureΛఆٛ
21. all.bashΛճͤ͹
 ສࣄOK
22. Let’s Contribute!
23. ʕ ◔ϖ◔ʔ < Thank You!!