from datetime import date

from wtforms import Form
from wtforms.fields import DateField
from wtforms_test import FormTestCase

from tests import MultiDict
from wtforms_components import DateRange


class TestDateRangeValidator(FormTestCase):
    def init_form(self, **kwargs):
        class ModelTestForm(Form):
            date = DateField(validators=[DateRange(**kwargs)])

        self.form_class = ModelTestForm
        return self.form_class

    def test_date_greater_than_validator(self):
        form_class = self.init_form(min=date(1990, 1, 1))
        form = form_class(MultiDict(date="1980-1-1"))
        form.validate()
        error_msg = "Date must be equal to or later than 1990-01-01."
        assert form.errors["date"] == [error_msg]

    def test_date_less_than_validator(self):
        form_class = self.init_form(max=date(1990, 1, 1))
        form = form_class(MultiDict(date="1991-1-1"))
        form.validate()
        error_msg = "Date must be equal to or earlier than 1990-01-01."
        assert form.errors["date"] == [error_msg]

    def test_date_between_validator(self):
        form_class = self.init_form(min=date(1990, 1, 1), max=date(1991, 1, 1))
        form = form_class(MultiDict(date="1989-1-1"))
        form.validate()
        error_msg = "Date must be between 1990-01-01 and 1991-01-01."
        assert form.errors["date"] == [error_msg]