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import pytest
from wtforms.validators import data_required
from wtforms.validators import StopValidation
def test_data_required(dummy_form, dummy_field):
"""
Should pass if the required data are present
"""
validator = data_required()
dummy_field.data = "foobar"
validator(dummy_form, dummy_field)
assert validator.field_flags == {"required": True}
@pytest.mark.parametrize("bad_val", [None, "", " ", "\t\t"])
def test_data_required_raises(bad_val, dummy_form, dummy_field):
"""
data_required should stop the validation chain if data are not present
"""
validator = data_required()
dummy_field.data = bad_val
with pytest.raises(StopValidation):
validator(dummy_form, dummy_field)
def test_data_required_clobber(dummy_form, dummy_field):
"""
Data required should clobber the errors
"""
validator = data_required()
dummy_field.data = ""
dummy_field.errors = ["Invalid Integer Value"]
assert len(dummy_field.errors) == 1
with pytest.raises(StopValidation):
validator(dummy_form, dummy_field)
assert len(dummy_field.errors) == 0
@pytest.mark.parametrize(
("validator", "message"),
(
(data_required(), "This field is required."),
(data_required(message="foo"), "foo"),
),
)
def test_data_required_messages(dummy_form, dummy_field, validator, message):
"""
Check data_required message and custom message
"""
dummy_field.data = ""
with pytest.raises(StopValidation) as e:
validator(dummy_form, dummy_field)
assert str(e.value) == message
def test_required_passes(dummy_form, dummy_field):
"""
It should pass when required value is present
"""
validator = data_required()
dummy_field.data = "foobar"
validator(dummy_form, dummy_field)
def test_required_stops_validation(dummy_form, dummy_field):
"""
It should raise stop the validation chain if required value is not present
"""
validator = data_required()
dummy_field.data = ""
with pytest.raises(StopValidation):
validator(dummy_form, dummy_field)
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