このレッスンは、現在英語のみです。
Change code without fear
A test is a small program that checks your code still does what you promised. Rails creates a test folder for every app and runs it with one command, so there is no excuse to skip it.
このレッスンは、現在英語のみです。
A test is a small program that checks your code still does what you promised. Rails creates a test folder for every app and runs it with one command, so there is no excuse to skip it.