from datetime import date

from django.forms import DateInput
from django.test import override_settings
from django.utils import translation

from .base import WidgetTest


class DateInputTest(WidgetTest):
    widget = DateInput()

    def test_render_none(self):
        self.check_html(self.widget, 'date', None, html='<input type="text" name="date" />')

    def test_render_value(self):
        d = date(2007, 9, 17)
        self.assertEqual(str(d), '2007-09-17')

        self.check_html(self.widget, 'date', d, html='<input type="text" name="date" value="2007-09-17" />')
        self.check_html(self.widget, 'date', date(2007, 9, 17), html=(
            '<input type="text" name="date" value="2007-09-17" />'
        ))

    def test_string(self):
        """
        Should be able to initialize from a string value.
        """
        self.check_html(self.widget, 'date', '2007-09-17', html=(
            '<input type="text" name="date" value="2007-09-17" />'
        ))

    def test_format(self):
        """
        Use 'format' to change the way a value is displayed.
        """
        d = date(2007, 9, 17)
        widget = DateInput(format='%d/%m/%Y', attrs={'type': 'date'})
        self.check_html(widget, 'date', d, html='<input type="date" name="date" value="17/09/2007" />')

    @override_settings(USE_L10N=True)
    @translation.override('de-at')
    def test_l10n(self):
        self.check_html(
            self.widget, 'date', date(2007, 9, 17),
            html='<input type="text" name="date" value="17.09.2007" />',
        )