def METHOD_NAME(self):
    ChannelMetadata = self.apps.get_model("content", "ChannelMetadata")
    ContentNode = self.apps.get_model("content", "ContentNode")
    channel = ChannelMetadata.objects.get()
    self.assertEqual(channel.published_size, self.file_size)
    self.assertEqual(
        channel.total_resource_count,
        ContentNode.objects.filter(available=True).count(),
    )
    self.assertListEqual(
        list(channel.included_languages.values_list("id", flat=True)), ["es"]
    )