Flutter_test

The Mockito. mock() method allows us to create a mock object of a class or an interface . We can then use the mock to stub return values for its methods and verify if they were called. We don’t need to do anything else to this method before we can use it.

If you’re not already familiar with it, Mockk is a mocking framework built specifically for Kotlin . Unlike Mockito Kotlin which is an extension of Mockito to help it work better with Kotlin, Mockk was built from the ground up for mocking Kotlin classes.

Mockito is an open source testing framework for Java released under the MIT License . The framework allows the creation of test double objects (mock objects) in automated unit tests for the purpose of test-driven development (TDD) or behavior-driven development (BDD).

The library I want to introduce to you – python-mockito – is a port of Java’s testing framework with the same name . It’s safe by default unlike mock from the standard library. python-mockito has a nice, easy to use API. … Plus, it has a pytest integration – pytest-mockito for seamless use and automatic clean up.

Mockito when() method It enables stubbing methods. It should be used when we want to mock to return specific values when particular methods are called . In simple terms, “When the XYZ() method is called, then return ABC.” It is mostly used when there is some condition to execute.