本课内容目前为英文。
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.
本课内容目前为英文。
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.