spying (testing) framework - Python 3.x

 Mockito is a testing framework. The framework allows the creation of Test
 Double objects (called "Mock Objects") in automated unit tests for the purpose
 of Test-driven Development (TDD) or Behavior Driven Development (BDD).
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 Python Mockito is a spying framework based on Java library with the same name.
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 This package provides the Python 3.x module.