group.run(double.as_null_object)
What does this actually do/mean?
group.run(double.as_null_object)
What does this actually do/mean?
Global mocks introduce magic and technically can reduce test coverage.
Manual mocks are used to mock modules across the entire Jest environment. This is a very powerful testing tool that helps simplify unit testing by mocking out modules which cannot be easily consumed in our test environment.
the Mock Object or Test Stub types of Test Double