이 레슨은 당분간 영어로 제공돼요.
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.
이 레슨은 당분간 영어로 제공돼요.
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.