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import pytest
from wtforms.validators import input_required
from wtforms.validators import StopValidation
def test_input_required(dummy_form, dummy_field):
"""
it should pass if the required value is present
"""
validator = input_required()
dummy_field.data = "foobar"
dummy_field.raw_data = ["foobar"]
validator(dummy_form, dummy_field)
assert validator.field_flags == {"required": True}
def test_input_required_raises(dummy_form, dummy_field):
"""
It should stop the validation chain if the required value is not present
"""
validator = input_required()
dummy_field.data = ""
dummy_field.raw_data = [""]
with pytest.raises(StopValidation):
validator(dummy_form, dummy_field)
@pytest.mark.parametrize(
("validator", "message"),
(
(input_required(), "This field is required."),
(input_required(message="foo"), "foo"),
),
)
def test_input_required_error_message(dummy_form, dummy_field, validator, message):
"""
It should return error message when the required value is not present
"""
dummy_field.data = ""
dummy_field.raw_data = [""]
with pytest.raises(StopValidation) as e:
validator(dummy_form, dummy_field)
assert str(e.value) == message
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