#389

Committed 24 May 2025 01:01PM UTC coverage: 93.409% (-0.2%) from 93.644%

Build # #389

Build Type

Pull #56

coveralls-python

Committed by

LeanderCS

Commit Message

48 | Remove typing_extensions dep

Pull Request Pull Request #56: 48 | Update ArrayElementValidator and IsDataclassValidator

Run Details

64 of 73 new or added lines in 4 files covered. (87.67%)

87 existing lines in 18 files now uncovered.

1885 of 2018 relevant lines covered (93.41%)

0.93 hits per line

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92.31

/flask_inputfilter/validators/is_lowercase_validator.py

from __future__ import annotations

from typing import Any, Optional

from flask_inputfilter.exceptions import ValidationError
from flask_inputfilter.validators import BaseValidator


class IsLowercaseValidator(BaseValidator):
    """
    Checks if a value is entirely lowercase. The validator ensures
    that the input string has no uppercase characters.

    **Parameters:**

    - **error_message** (*Optional[str]*): Custom error message if the value is not entirely lowercase.

    **Expected Behavior:**

    Confirms that the input is a string and verifies that all characters are lowercase using the string method ``islower()``. Raises a ``ValidationError`` if the check fails.

    **Example Usage:**

    .. code-block:: python

        class LowercaseInputFilter(InputFilter):
            def __init__(self):
                super().__init__()
                self.add('username', validators=[
                    IsLowercaseValidator()
                ])
    """

    __slots__ = ("error_message",)

    def __init__(self, error_message: Optional[str] = None) -> None:
        self.error_message = (
            error_message or "Value is not entirely lowercase."
        )

    def validate(self, value: Any) -> None:
        if not isinstance(value, str):
            raise ValidationError("Value must be a string.")
        if not value.islower():
            raise ValidationError(self.error_message)

1	from __future__ import annotations	1✔
2
3	from typing import Any, Optional	1✔
4
5	from flask_inputfilter.exceptions import ValidationError	1✔
6	from flask_inputfilter.validators import BaseValidator	1✔
7
8
9	class IsLowercaseValidator(BaseValidator):	1✔
10	"""
11	Checks if a value is entirely lowercase. The validator ensures
12	that the input string has no uppercase characters.
13
14	Parameters:
15
16	- error_message (Optional[str]): Custom error message if the value is not entirely lowercase.
17
18	Expected Behavior:
19
20	Confirms that the input is a string and verifies that all characters are lowercase using the string method ``islower()``. Raises a ``ValidationError`` if the check fails.
21
22	Example Usage:
23
24	.. code-block:: python
25
26	class LowercaseInputFilter(InputFilter):
27	def __init__(self):
28	super().__init__()
29	self.add('username', validators=[
30	IsLowercaseValidator()
31	])
32	"""
33
34	__slots__ = ("error_message",)	1✔
35
36	def __init__(self, error_message: Optional[str] = None) -> None:	1✔
37	self.error_message = (	1✔
38	error_message or "Value is not entirely lowercase."
39	)
40
41	def validate(self, value: Any) -> None:	1✔
42	if not isinstance(value, str):	1✔
UNCOV 43	raise ValidationError("Value must be a string.")	×
44	if not value.islower():	1✔
45	raise ValidationError(self.error_message)	1✔

LeanderCS / flask-inputfilter / #389

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