이 레슨은 당분간 영어로 제공돼요.
Take control of the world
A daily bonus depends on today's date. A dice game depends on luck. A sign-up sends an email. To test them, swap the clock, the dice and the mailer for test doubles that you control.
이 레슨은 당분간 영어로 제공돼요.
A daily bonus depends on today's date. A dice game depends on luck. A sign-up sends an email. To test them, swap the clock, the dice and the mailer for test doubles that you control.