13
“One thing that it doesn't show though is that as you move up the
pyramid, the confidence quotient of each form of testing increases.
(snip)
Integration tests strike a great balance on the trade-offs between
confidence and speed/expense. This is why it's advisable to
spend most (not all, mind you) of your effort there.
͔͠͠ɺϐϥϛουͷ্ʹߦ͘΄ͲɺͦΕͧΕͷςετͷ৴པࢦ͕ߴ͘ͳΔ͜ͱɺ
͜ͷਤͰࣔ͞Ε͍ͯ·ͤΜɻ
ʢதུʣ
౷߹ςετɺ৴པੑͱɾඅ༻ͷτϨʔυΦϑͷόϥϯεΛ͏·͘ͱ͍ͬͯ·͢ɻ͜
ͷͨΊɺ΄ͱΜͲͷ࿑ྗΛͦ͜ʹඅ͢͜ͱ͕ਪ͞Ε·͢ (ͯ͢Ͱ͋Γ·ͤΜ͕)ɻ
https://kentcdodds.com/blog/write-tests ΑΓൈਮɺ༁