import datetime

from django.core.exceptions import ValidationError

from django.forms import TimeField

from django.test import SimpleTestCase

from . import FormFieldAssertionsMixin

class TimeFieldTest(FormFieldAssertionsMixin, SimpleTestCase):

    def test_timefield_1(self):

        f = TimeField()

        self.assertEqual(datetime.time(14, 25), f.clean(datetime.time(14, 25)))

        self.assertEqual(datetime.time(14, 25, 59), f.clean(datetime.time(14, 25, 59)))

        self.assertEqual(datetime.time(14, 25), f.clean("14:25"))

        self.assertEqual(datetime.time(14, 25, 59), f.clean("14:25:59"))

        with self.assertRaisesMessage(ValidationError, "'Enter a valid time.'"):

            f.clean("hello")

        with self.assertRaisesMessage(ValidationError, "'Enter a valid time.'"):

            f.clean("1:24 p.m.")

    def test_timefield_2(self):

        f = TimeField(input_formats=["%I:%M %p"])

        self.assertEqual(datetime.time(14, 25), f.clean(datetime.time(14, 25)))

        self.assertEqual(datetime.time(14, 25, 59), f.clean(datetime.time(14, 25, 59)))

        self.assertEqual(datetime.time(4, 25), f.clean("4:25 AM"))

        self.assertEqual(datetime.time(16, 25), f.clean("4:25 PM"))

        with self.assertRaisesMessage(ValidationError, "'Enter a valid time.'"):

            f.clean("14:30:45")

    def test_timefield_3(self):

        f = TimeField()

        # Test whitespace stripping behavior (#5714)

        self.assertEqual(datetime.time(14, 25), f.clean(" 14:25 "))

        self.assertEqual(datetime.time(14, 25, 59), f.clean(" 14:25:59 "))

        with self.assertRaisesMessage(ValidationError, "'Enter a valid time.'"):

            f.clean("   ")

    def test_timefield_changed(self):

        t1 = datetime.time(12, 51, 34, 482548)

        t2 = datetime.time(12, 51)

        f = TimeField(input_formats=["%H:%M", "%H:%M %p"])

        self.assertTrue(f.has_changed(t1, "12:51"))

        self.assertFalse(f.has_changed(t2, "12:51"))

        self.assertFalse(f.has_changed(t2, "12:51 PM"))