April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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410 Rozdział 14.
Komunikaty o błędach w testach
Parametr typu
testing.T
w funkcji testowej udostępnia metodę
Errorf
, którą możesz wywołać.
Errorf
,
w odróżnieniu od funkcji
Error
, przyjmuje łańcuch znaków z instrukcją formatowania (podobnie jak funkcje
fmt.Printf
i
fmt.Sprintf
). Możesz zastosować funkcję
Errorf
, aby umieścić w komunikacie o niepowodzeniu
testu dodatkowe informacje, np. przekazane do funkcji argumenty, zwróconą wartość i oczekiwaną wartość.
Oto zmodyfikowane testy, w których za pomocą metody
Errorf
generowane są bardziej szczegółowe komunikaty
o błędach. Aby nie trzeba było powtarzać łańcuchów znaków w każdym teście, dodana została ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.