Python Band.from_json方法代码示例

# 需要导入模块: from tests.models import Band [as 别名]
# 或者: from tests.models.Band import from_json [as 别名]
    def test_deserialize_with_sort_order(self):
        beatles = Band.from_json('{"pk": null, "albums": [{"pk": null, "name": "With The Beatles", "sort_order": 2}, {"pk": null, "name": "Please Please Me", "sort_order": 1}], "name": "The Beatles", "members": []}')
        self.assertEqual(2, beatles.albums.count())

        # Make sure the albums were ordered correctly
        self.assertEqual("Please Please Me", beatles.albums.all()[0].name)
        self.assertEqual("With The Beatles", beatles.albums.all()[1].name)

# 需要导入模块: from tests.models import Band [as 别名]
# 或者: from tests.models.Band import from_json [as 别名]
    def test_deserialize_with_multiple_sort_order(self):
        Album._meta.ordering = ['sort_order', 'name']
        beatles = Band.from_json('{"pk": null, "albums": [{"pk": 1, "name": "With The Beatles", "sort_order": 1}, {"pk": 2, "name": "Please Please Me", "sort_order": 1}, {"pk": 3, "name": "Please Please Me", "sort_order": 2}], "name": "The Beatles", "members": []}')
        Album._meta.ordering = ['sort_order']
        self.assertEqual(3, beatles.albums.count())

        # Make sure the albums were ordered correctly
        self.assertEqual(2, beatles.albums.all()[0].pk)
        self.assertEqual(1, beatles.albums.all()[1].pk)
        self.assertEqual(3, beatles.albums.all()[2].pk)

# 需要导入模块: from tests.models import Band [as 别名]
# 或者: from tests.models.Band import from_json [as 别名]
    def test_saved_items_with_non_db_relation(self):
        class BandForm(ClusterForm):
            class Meta:
                model = Band
                fields = ['name']

        first_song = Song(name='I Saw Her Standing There')
        second_song = Song(name='Misery')
        album = Album(name='Please Please Me', songs=[first_song, second_song])
        beatles = Band(name='The Beatles', albums=[album])
        beatles.save()

        # pack and unpack the record so that we're working with a non-db-backed queryset
        new_beatles = Band.from_json(beatles.to_json())

        form = BandForm({
            'name': 'The Beatles',

            'members-TOTAL_FORMS': 0,
            'members-INITIAL_FORMS': 0,
            'members-MAX_NUM_FORMS': 1000,

            'albums-TOTAL_FORMS': 1,
            'albums-INITIAL_FORMS': 1,
            'albums-MAX_NUM_FORMS': 1000,

            'albums-0-name': album.name,
            'albums-0-id': album.id,
            'albums-0-ORDER': 1,

            'albums-0-songs-TOTAL_FORMS': 4,
            'albums-0-songs-INITIAL_FORMS': 2,
            'albums-0-songs-MAX_NUM_FORMS': 1000,

            'albums-0-songs-0-name': first_song.name,
            'albums-0-songs-0-DELETE': 'albums-0-songs-0-DELETE',
            'albums-0-songs-0-id': first_song.id,

            'albums-0-songs-1-name': second_song.name,
            'albums-0-songs-1-id': second_song.id,

            'albums-0-songs-2-name': 'Anna',
            'albums-0-songs-2-id': '',

            'albums-0-songs-3-name': '',
            'albums-0-songs-3-id': '',
        }, instance=new_beatles)
        self.assertTrue(form.is_valid())
        form.save()

        self.assertTrue(Song.objects.filter(name='Anna').exists())
        self.assertFalse(Song.objects.filter(name='I Saw Her Standing There').exists())

# 需要导入模块: from tests.models import Band [as 别名]
# 或者: from tests.models.Band import from_json [as 别名]
    def test_serialize_json_with_dates(self):
        beatles = Band(name='The Beatles', members=[
            BandMember(name='John Lennon'),
            BandMember(name='Paul McCartney'),
        ], albums=[
            Album(name='Rubber Soul', release_date=datetime.date(1965, 12, 3))
        ])

        beatles_json = beatles.to_json()
        self.assertTrue("John Lennon" in beatles_json)
        self.assertTrue("1965-12-03" in beatles_json)
        unpacked_beatles = Band.from_json(beatles_json)
        self.assertEqual(datetime.date(1965, 12, 3), unpacked_beatles.albums.all()[0].release_date)

# 需要导入模块: from tests.models import Band [as 别名]
# 或者: from tests.models.Band import from_json [as 别名]
 def test_deserialize_json(self):
     beatles = Band.from_json('{"pk": 9, "albums": [], "name": "The Beatles", "members": [{"pk": null, "name": "John Lennon", "band": null}, {"pk": null, "name": "Paul McCartney", "band": null}]}')
     self.assertEqual(9, beatles.id)
     self.assertEqual('The Beatles', beatles.name)
     self.assertEqual(2, beatles.members.count())
     self.assertEqual(BandMember, beatles.members.all()[0].__class__)