def test_not_alphanumeric_username(self):
"""This test ensures that non-alphanumeric characters are forbidden."""
with pytest.raises(ValidationError):
username_validator("hdfg#@$*&((@")
def test_too_short_username(self):
"""This test ensures that a username can't be too short."""
with pytest.raises(ValidationError):
username_validator("a")
def test_too_long_username(self):
"""This test ensures that a username can't be too long."""
with pytest.raises(ValidationError):
username_validator("c" * 16)
def test_short_username(self):
"""This test ensures that a username of 3 characters is valid."""
username_validator("b" * 3)
def test_long_username(self):
"""This test ensures that a username of 15 characters is valid."""
username_validator("a" * 15)
def test_valid_username(self):
"""This test ensures that alphanumeric characters are valid for a username."""
username_validator("abcde234")