Coverage for src/lexigram/graphql/scalars/misc.py: 48%

1from __future__ import annotations 

2 

3from typing import Any 

4import uuid 

5 

6 

7class UUID: 

8 """Custom scalar for UUID values.""" 

9 

10 @staticmethod 

11 def serialize(uid: uuid.UUID | None) -> str | None: 

12 if uid is None: 

13 return None 

14 if isinstance(uid, uuid.UUID): 

15 return str(uid) 

16 raise ValueError(f"Cannot serialize {type(uid)} as UUID") 

17 

18 @staticmethod 

19 def parse_value(value: str | None) -> uuid.UUID | None: 

20 if value is None: 

21 return None 

22 return uuid.UUID(value) 

23 

24 

25class Email: 

26 """Custom scalar for email values.""" 

27 

28 @staticmethod 

29 def serialize(email: str | None) -> str | None: 

30 if email is None: 

31 return None 

32 if isinstance(email, str) and "@" in email: 

33 return email.lower() 

34 raise ValueError(f"Cannot serialize {type(email)} as Email") 

35 

36 @staticmethod 

37 def parse_value(value: str | None) -> str | None: 

38 if value is None: 

39 return None 

40 return value.lower() 

41 

42 

43class URL: 

44 """Custom scalar for URL values.""" 

45 

46 @staticmethod 

47 def serialize(url: str | None) -> str | None: 

48 if url is None: 

49 return None 

50 if isinstance(url, str): 

51 return url 

52 raise ValueError(f"Cannot serialize {type(url)} as URL") 

53 

54 @staticmethod 

55 def parse_value(value: str | None) -> str | None: 

56 if value is None: 

57 return None 

58 return value 

59 

60 

61class BigInt: 

62 """Custom scalar for big integer values.""" 

63 

64 @staticmethod 

65 def serialize(value: int | None) -> str | None: 

66 if value is None: 

67 return None 

68 return str(value) 

69 

70 @staticmethod 

71 def parse_value(value: str | None) -> int | None: 

72 if value is None: 

73 return None 

74 return int(value) 

75 

76 

77class Void: 

78 """Custom scalar for void/null values.""" 

79 

80 @staticmethod 

81 def serialize(_value: Any) -> None: 

82 return 

83 

84 @staticmethod 

85 def parse_value(_value: Any) -> None: 

86 return 

87 

88 

89__all__ = [ 

90 "URL", 

91 "UUID", 

92 "BigInt", 

93 "Email", 

94 "Void", 

95]