# Path: django_core/utils/validators.py
# def is_valid_email(value):
#     """Checks to see if the value is a valid email. Returns True if the email
#     is valid. Otherwise, False.
#     """
#     try:
#         validate_email(value)
#         return True
#     except ValidationError:
#         return False
# 
# Path: django_core/utils/validators.py
# def validate_password_strength(value):
#     """Validates that a password is as least 7 characters long and has at least
#     1 digit and 1 letter.
#     """
#     min_length = 7
# 
#     if len(value) < min_length:
#         raise ValidationError(_('Password must be at least {0} characters '
#                                 'long.').format(min_length))
# 
#     # check for digit
#     if not any(char.isdigit() for char in value):
#         raise ValidationError(_('Password must contain at least 1 digit.'))
# 
#     # check for letter
#     if not any(char.isalpha() for char in value):
#         raise ValidationError(_('Password must contain at least 1 letter.'))
# 
# Path: django_core/utils/validators.py
# def is_valid_hex(value):
#     """Boolean indicating of the value is a valid hex value."""
#     if not value:
#         return False
# 
#     regex = re.compile(HEX_COLOR_REGEX)
#     return bool(regex.match(value))
# 
# Path: django_core/utils/validators.py
# def is_valid_color_name(value):
#     """Checks whether the value is a string of character A-Z."""
#     if not value:
#         return False
# 
#     return value.isalpha() if value else False
# 
# Path: django_core/utils/validators.py
# def is_valid_color(value):
#     """Boolean check whether the value is a valid color."""
#     return (is_valid_color_name(value) or
#             is_valid_hex(value) or
#             is_valid_rgb_color(value))
# 
# Path: django_core/utils/validators.py
# def is_valid_rgb_color(value):
#     """Checks whether the value is a valid rgb or rgba color string.
# 
#     Valid colors consist of:
# 
#     - rgb(255, 255, 255)
#     - rgba(23, 34, 45, .5)
#     """
#     if not value:
#         return False
# 
#     regex = re.compile(RGB_COLOR_REGEX)
#     return bool(regex.match(value))


from django.core.exceptions import ValidationError
from django.test.testcases import TestCase
from django_core.utils.validators import is_valid_email
from django_core.utils.validators import validate_password_strength
from django_core.utils.validators import is_valid_hex
from django_core.utils.validators import is_valid_color_name
from django_core.utils.validators import is_valid_color
from django_core.utils.validators import is_valid_rgb_color

    def test_password_strength_validator_missing_letter(self):
        """Test for password strength missing letter."""
        with self.assertRaises(ValidationError):
            validate_password_strength('1234567')

    def test_is_valid_color(self):
        """Test the is_valid_color method returns correct boolean for valid
        colors.
        """
        self.assertTrue(is_valid_color('black'))
        self.assertTrue(is_valid_color('#aabb11'))
        self.assertTrue(is_valid_color('rgba(23,45,67, .5)'))
        self.assertFalse(is_valid_color('bl(ack'))

    def test_is_valid_hex(self):
        """Test the is_valid_hex method returns correct boolean for valid
        hex values.
        """
        self.assertTrue(is_valid_hex('#aabb11'))
        self.assertTrue(is_valid_hex('#000'))
        self.assertTrue(is_valid_hex('#aaa'))
        self.assertFalse(is_valid_hex('black'))
        self.assertFalse(is_valid_hex('bl(ack'))

    def test_is_valid_color_name(self):
        """Test the is_valid_color_name method returns correct boolean for
        valid color names.
        """
        self.assertTrue(is_valid_color_name('black'))

# Path: django_core/utils/validators.py
# def is_valid_email(value):
#     """Checks to see if the value is a valid email. Returns True if the email
#     is valid. Otherwise, False.
#     """
#     try:
#         validate_email(value)
#         return True
#     except ValidationError:
#         return False
# 
# Path: django_core/utils/validators.py
# def validate_password_strength(value):
#     """Validates that a password is as least 7 characters long and has at least
#     1 digit and 1 letter.
#     """
#     min_length = 7
# 
#     if len(value) < min_length:
#         raise ValidationError(_('Password must be at least {0} characters '
#                                 'long.').format(min_length))
# 
#     # check for digit
#     if not any(char.isdigit() for char in value):
#         raise ValidationError(_('Password must contain at least 1 digit.'))
# 
#     # check for letter
#     if not any(char.isalpha() for char in value):
#         raise ValidationError(_('Password must contain at least 1 letter.'))
# 
# Path: django_core/utils/validators.py
# def is_valid_hex(value):
#     """Boolean indicating of the value is a valid hex value."""
#     if not value:
#         return False
# 
#     regex = re.compile(HEX_COLOR_REGEX)
#     return bool(regex.match(value))
# 
# Path: django_core/utils/validators.py
# def is_valid_color_name(value):
#     """Checks whether the value is a string of character A-Z."""
#     if not value:
#         return False
# 
#     return value.isalpha() if value else False
# 
# Path: django_core/utils/validators.py
# def is_valid_color(value):
#     """Boolean check whether the value is a valid color."""
#     return (is_valid_color_name(value) or
#             is_valid_hex(value) or
#             is_valid_rgb_color(value))
# 
# Path: django_core/utils/validators.py
# def is_valid_rgb_color(value):
#     """Checks whether the value is a valid rgb or rgba color string.
# 
#     Valid colors consist of:
# 
#     - rgb(255, 255, 255)
#     - rgba(23, 34, 45, .5)
#     """
#     if not value:
#         return False
# 
#     regex = re.compile(RGB_COLOR_REGEX)
#     return bool(regex.match(value))


# Path: tests/test_validators.py
from django.core.exceptions import ValidationError
from django.test.testcases import TestCase
from django_core.utils.validators import is_valid_email
from django_core.utils.validators import validate_password_strength
from django_core.utils.validators import is_valid_hex
from django_core.utils.validators import is_valid_color_name
from django_core.utils.validators import is_valid_color
from django_core.utils.validators import is_valid_rgb_color


    def test_password_strength_validator_missing_letter(self):
        """Test for password strength missing letter."""
        with self.assertRaises(ValidationError):
            validate_password_strength('1234567')

    def test_is_valid_color(self):
        """Test the is_valid_color method returns correct boolean for valid
        colors.
        """
        self.assertTrue(is_valid_color('black'))
        self.assertTrue(is_valid_color('#aabb11'))
        self.assertTrue(is_valid_color('rgba(23,45,67, .5)'))
        self.assertFalse(is_valid_color('bl(ack'))

    def test_is_valid_hex(self):
        """Test the is_valid_hex method returns correct boolean for valid
        hex values.
        """
        self.assertTrue(is_valid_hex('#aabb11'))
        self.assertTrue(is_valid_hex('#000'))
        self.assertTrue(is_valid_hex('#aaa'))
        self.assertFalse(is_valid_hex('black'))
        self.assertFalse(is_valid_hex('bl(ack'))

    def test_is_valid_color_name(self):
        """Test the is_valid_color_name method returns correct boolean for
        valid color names.
        """
        self.assertTrue(is_valid_color_name('black'))

        self.assertTrue(is_valid_color_name('red'))