Coverage for Users / vladimirpavlov / PycharmProjects / parameterizable / tests / test_json_processor_remaining_branches.py: 88%

1import pytest 

2 

3from mixinforge.json_processor import _to_serializable_dict, _recreate_object, _Markers 

4 

5 

6class Plain: 

7 def __init__(self): 

8 self.a = 1 

9 self.b = "x" 

10 

11 

12class PlainMaskGetstate: 

13 def __init__(self): 

14 self.a = 2 

15 self.b = "y" 

16 

17 def __getattribute__(self, name): 

18 if name == "__getstate__": 

19 raise AttributeError 

20 return object.__getattribute__(self, name) 

21 

22 

23def test_plain_class_uses_dict_state_branch(): 

24 p = PlainMaskGetstate() 

25 ser = _to_serializable_dict(p) 

26 # Should be encoded via STATE of its __dict__ 

27 assert _Markers.STATE in ser 

28 back = _recreate_object(ser) 

29 assert isinstance(back, PlainMaskGetstate) 

30 assert back.a == 2 and back.b == "y" 

31 

32 

33class SlotlessMeta(type): 

34 def __getattribute__(cls, name): 

35 if name == "__slots__": 

36 raise AttributeError 

37 return super().__getattribute__(name) 

38 

39 

40class Trick(metaclass=SlotlessMeta): 

41 # Do not define __slots__; instances normally have __dict__, but we mask it 

42 def __getattribute__(self, name): 

43 if name == "__dict__": 

44 raise AttributeError 

45 return object.__getattribute__(self, name) 

46 

47 

48def test_unsupported_early_types_raise(): 

49 # Functions are explicitly unsupported 

50 with pytest.raises(TypeError): 

51 _to_serializable_dict(lambda x: x) 

52 

53 

54class HideSlotsMeta(type): 

55 def __getattribute__(cls, name): 

56 if name == "__slots__": 

57 raise AttributeError 

58 return super().__getattribute__(name) 

59 

60 

61class ElseTarget(metaclass=HideSlotsMeta): 

62 __slots__ = ("a",) 

63 

64 def __init__(self): 

65 self.a = 1 

66 

67 def __getattribute__(self, name): 

68 if name in ("__dict__", "__getstate__"): 

69 raise AttributeError 

70 return object.__getattribute__(self, name) 

71 

72 

73def test_final_else_branch_raises_type_error(): 

74 with pytest.raises(TypeError): 

75 _to_serializable_dict(ElseTarget())