def test_matching_range(self):
with not_raises(ValidationError):
Length(min=1, max=5)([1])
with not_raises(ValidationError):
Length(min=1, max=5)([1, 2, 3])
with not_raises(ValidationError):
Length(min=1, max=5)([1, 2, 3, 4, 5])
def test_customzing_min_error_message(self):
message = 'Length {length} of {data} should be at least {min}'
with raises(ValidationError) as exc_info:
Length(min=1, error_messages={'min': message})([])
assert exc_info.value.messages == message.format(data=[],
length=0,
min=1)
def test_customizing_all_error_messages_at_once(self):
message = 'Value is invalid'
with raises(ValidationError) as exc_info:
Length(exact=1, error=message)([])
assert exc_info.value.messages == message
with raises(ValidationError) as exc_info:
Length(min=1, error=message)([])
assert exc_info.value.messages == message
with raises(ValidationError) as exc_info:
Length(max=1, error=message)([1, 2]) == message
assert exc_info.value.messages == message
with raises(ValidationError) as exc_info:
Length(min=1, max=5, error=message)([]) == message
assert exc_info.value.messages == message
def test_customzing_range_error_message(self):
message = 'Length {length} of {data} should be between {min} and {max}'
with raises(ValidationError) as exc_info:
Length(min=1, max=5, error_messages={'range': message})([])
assert exc_info.value.messages == \
message.format(data=[], length=0, min=1, max=5)
def test_raising_ValidationError_when_matching_range_and_given_value_is_greater(
self):
with raises(ValidationError) as exc_info:
Length(min=1, max=5)([1, 2, 3, 4, 5, 6])
assert exc_info.value.messages == \
Length.default_error_messages['range'].format(min=1, max=5)
def test_customzing_max_error_message(self):
message = 'Length {length} of {data} should be at most {max}'
with raises(ValidationError) as exc_info:
Length(max=1, error_messages={'max': message})([1, 2])
assert exc_info.value.messages == \
message.format(data=[1, 2], length=2, max=1)
def test_raising_ValidationError_when_matching_max_value_and_given_value_is_greater(
self):
with raises(ValidationError) as exc_info:
Length(max=1)([1, 2])
assert exc_info.value.messages == \
Length.default_error_messages['max'].format(max=1)
def test_matching_max_value(self):
with not_raises(ValidationError):
Length(max=1)([1])
with not_raises(ValidationError):
Length(max=1)([])
def test_raising_ValidationError_when_matching_min_value_and_given_value_is_less(
self):
with raises(ValidationError) as exc_info:
Length(min=1)([])
assert exc_info.value.messages == \
Length.default_error_messages['min'].format(min=1)
def test_matching_min_value(self):
with not_raises(ValidationError):
Length(min=1)([1])
with not_raises(ValidationError):
Length(min=1)([1, 2])
def test_customizing_exact_error_message(self):
message = 'Value {data} length is not {exact}'
with raises(ValidationError) as exc_info:
Length(exact=3, error_messages={'exact': message})([1, 2])
assert exc_info.value.messages == message.format(data=[1, 2], exact=3)
def test_raising_ValidationError_when_matching_exact_value_and_given_value_does_not_match(
self):
with raises(ValidationError) as exc_info:
Length(exact=3)([1, 2])
assert exc_info.value.messages == \
Length.default_error_messages['exact'].format(exact=3)
def test_matching_exact_value(self):
with not_raises(ValidationError):
Length(exact=2)([1, 2])