mockito VS dynamism

Use a testing framework like test or mockito to write unit tests that verify the behavior of your functions under various conditions (valid and invalid email addresses in this example).

Mockito for mocking class behavior during unit tests: https://pub.dev/packages/mockito

Nothing in this article goes any further than the documentation for Mockito, itself: https://pub.dev/packages/mockito

Mockito allows developers to create mock objects from existing classes, stub their methods and verify or assert their behavior during tests.

See here a list of mitigations from mokito : https://github.com/dart-lang/mockito/blob/master/NULL_SAFETY_README.md

You can mock dependencies by creating an alternative implementation of a class. by making use of the Mockito package as a shortcut.

Introducing Mockito (a mock library for Dart).

Source code.

This is what our home repository looks like,

home_robot.dart