Episode 327 · January 13, 2020
Mocks are a handy tool for writing tests in Ruby. You can use them to fake an object and verify that the correct methods were called against it. Perfect for testing a method that integrates closely with another class or module.
Mocks are an invaluable tool when writing tests. You can use them to replace objects in your test suite so that you can verify your code calls specific methods against them. Mocks also let you stub methods against them just like with regular stubs.
Combine with Dependency Injection, mocks allow you to write tests with interchangeable dependencies. You can use a mock to simulate interaction with an API by creating a fake API as a mock.
Join 31,353+ developers who get early access to new screencasts, articles, guides, updates, and more.