Coverage for tests\constraints\test_factory.py: 100.00%

1# -*- coding: utf-8 -*- 

2 

3""" 

4* Name: interactive-clustering/tests/constraints/test_factory.py 

5* Description: Unittests for the `constraints.factory` module. 

6* Author: Erwan SCHILD 

7* Created: 17/03/2021 

8* Licence: CeCILL (https://cecill.info/licences.fr.html) 

9""" 

10 

11# ============================================================================== 

12# IMPORT PYTHON DEPENDENCIES 

13# ============================================================================== 

14 

15import pytest 

16 

17from cognitivefactory.interactive_clustering.constraints.binary import BinaryConstraintsManager 

18from cognitivefactory.interactive_clustering.constraints.factory import managing_factory 

19 

20 

21# ============================================================================== 

22# test_managing_factory_for_not_implemented_constraints_manager 

23# ============================================================================== 

24def test_managing_factory_for_not_implemented_constraints_manager(): 

25 """ 

26 Test that the `constraints.factory.managing_factory` method raises an `ValueError` for not implemented constraints manager. 

27 """ 

28 

29 # Check `ValueError` for bad string value for `manager`. 

30 with pytest.raises(ValueError, match="`manager`"): 

31 managing_factory(manager="unknown", list_of_data_IDs=["first", "second", "third"]) 

32 

33 

34# ============================================================================== 

35# test_managing_factory_for_binary_constraints_manager 

36# ============================================================================== 

37def test_managing_factory_for_binary_constraints_manager(): 

38 """ 

39 Test that the `constraints.factory.managing_factory` can initialize an instance of `BinaryConstraintsManager`. 

40 """ 

41 

42 # Check `hierarchical` clustering. 

43 constraints_manager = managing_factory(algorithm="binary", list_of_data_IDs=["first", "second", "third"]) 

44 assert isinstance(constraints_manager, BinaryConstraintsManager)