Coverage for Users / vladimirpavlov / PycharmProjects / parameterizable / tests / test_cacheable_properties_mixin_get_status.py: 95%

1from functools import cached_property 

2from mixinforge import CacheablePropertiesMixin 

3import pytest 

4 

5class A(CacheablePropertiesMixin): 

6 @cached_property 

7 def x(self): 

8 return 1 

9 

10 @cached_property 

11 def y(self): 

12 return 2 

13 

14 @property 

15 def z(self): 

16 return 3 

17 

18 def regular_method(self): 

19 pass 

20 

21def test_get_cached_property_status_basic(): 

22 """Test that _get_cached_property_status() returns correct caching status.""" 

23 a = A() 

24 # Initially not cached 

25 assert a._get_cached_property_status("x") is False 

26 assert a._get_cached_property_status("y") is False 

27 

28 # Cache x 

29 _ = a.x 

30 assert a._get_cached_property_status("x") is True 

31 assert a._get_cached_property_status("y") is False 

32 

33 # Cache y 

34 _ = a.y 

35 assert a._get_cached_property_status("x") is True 

36 assert a._get_cached_property_status("y") is True 

37 

38def test_get_cached_property_status_invalid_name(): 

39 """Test that _get_cached_property_status() raises ValueError for invalid names.""" 

40 a = A() 

41 

42 # Non-existent property 

43 with pytest.raises(ValueError, match="not a cached property"): 

44 a._get_cached_property_status("invalid_name") 

45 

46 # Regular @property (not cached_property) 

47 with pytest.raises(ValueError, match="not a cached property"): 

48 a._get_cached_property_status("z") 

49 

50def test_get_cached_property_status_after_invalidation(): 

51 """Test that _get_cached_property_status() returns False after invalidation.""" 

52 a = A() 

53 _ = a.x 

54 _ = a.y 

55 assert a._get_cached_property_status("x") is True 

56 assert a._get_cached_property_status("y") is True 

57 

58 a._invalidate_cache() 

59 assert a._get_cached_property_status("x") is False 

60 assert a._get_cached_property_status("y") is False 

61 

62def test_get_cached_property_status_inheritance(): 

63 """Test that _get_cached_property_status() works with inherited properties.""" 

64 class Base(CacheablePropertiesMixin): 

65 @cached_property 

66 def base_prop(self): 

67 return "base" 

68 

69 class Child(Base): 

70 @cached_property 

71 def child_prop(self): 

72 return "child" 

73 

74 c = Child() 

75 assert c._get_cached_property_status("base_prop") is False 

76 assert c._get_cached_property_status("child_prop") is False 

77 

78 _ = c.base_prop 

79 assert c._get_cached_property_status("base_prop") is True 

80 assert c._get_cached_property_status("child_prop") is False 

81 

82def test_get_cached_property_status_partial(): 

83 """Test that _get_cached_property_status() reflects partial caching correctly.""" 

84 a = A() 

85 a._set_cached_properties(x=50) 

86 

87 assert a._get_cached_property_status("x") is True 

88 assert a._get_cached_property_status("y") is False