import datetime

import unittest

from django.utils import feedgenerator, tzinfo

class FeedgeneratorTest(unittest.TestCase):

    """

    Tests for the low-level syndication feed framework.

    """

    def test_get_tag_uri(self):

        """

        Test get_tag_uri() correctly generates TagURIs.

        """

        self.assertEqual(

            feedgenerator.get_tag_uri('http://example.org/foo/bar#headline', datetime.date(2004, 10, 25)),

            u'tag:example.org,2004-10-25:/foo/bar/headline')

    def test_get_tag_uri_with_port(self):

        """

        Test that get_tag_uri() correctly generates TagURIs from URLs with port

        numbers.

        """

        self.assertEqual(

            feedgenerator.get_tag_uri('http://www.example.org:8000/2008/11/14/django#headline', datetime.datetime(2008, 11, 14, 13, 37, 0)),

            u'tag:www.example.org,2008-11-14:/2008/11/14/django/headline')

    def test_rfc2822_date(self):

        """

        Test rfc2822_date() correctly formats datetime objects.

        """

        self.assertEqual(

            feedgenerator.rfc2822_date(datetime.datetime(2008, 11, 14, 13, 37, 0)),

            "Fri, 14 Nov 2008 13:37:00 -0000"

        )

    def test_rfc2822_date_with_timezone(self):

        """

        Test rfc2822_date() correctly formats datetime objects with tzinfo.

        """

        self.assertEqual(

            feedgenerator.rfc2822_date(datetime.datetime(2008, 11, 14, 13, 37, 0, tzinfo=tzinfo.FixedOffset(datetime.timedelta(minutes=60)))),

            "Fri, 14 Nov 2008 13:37:00 +0100"

        )

    def test_rfc3339_date(self):

        """

        Test rfc3339_date() correctly formats datetime objects.

        """

        self.assertEqual(

            feedgenerator.rfc3339_date(datetime.datetime(2008, 11, 14, 13, 37, 0)),

            "2008-11-14T13:37:00Z"

        )

    def test_rfc3339_date_with_timezone(self):

        """

        Test rfc3339_date() correctly formats datetime objects with tzinfo.

        """

        self.assertEqual(

            feedgenerator.rfc3339_date(datetime.datetime(2008, 11, 14, 13, 37, 0, tzinfo=tzinfo.FixedOffset(datetime.timedelta(minutes=120)))),

            "2008-11-14T13:37:00+02:00"

        )