''' testing models '''
from django.test import TestCase

from bookwyrm import models
from bookwyrm.models import base_model
from bookwyrm.settings import DOMAIN

class BaseModel(TestCase):
    ''' functionality shared across models '''
    def test_remote_id(self):
        ''' these should be generated '''
        instance = base_model.BookWyrmModel()
        instance.id = 1
        expected = instance.get_remote_id()
        self.assertEqual(expected, 'https://%s/bookwyrmmodel/1' % DOMAIN)

    def test_remote_id_with_user(self):
        ''' format of remote id when there's a user object '''
        user = models.User.objects.create_user(
            'mouse', 'mouse@mouse.com', 'mouseword',
            local=True, localname='mouse')
        instance = base_model.BookWyrmModel()
        instance.user = user
        instance.id = 1
        expected = instance.get_remote_id()
        self.assertEqual(
            expected,
            'https://%s/user/mouse/bookwyrmmodel/1' % DOMAIN)

    def test_execute_after_save(self):
        ''' this function sets remote ids after creation '''
        # using Work because it BookWrymModel is abstract and this requires save
        # Work is a relatively not-fancy model.
        instance = models.Work.objects.create(title='work title')
        instance.remote_id = None
        base_model.execute_after_save(None, instance, True)
        self.assertEqual(
            instance.remote_id,
            'https://%s/book/%d' % (DOMAIN, instance.id)
        )

        # shouldn't set remote_id if it's not created
        instance.remote_id = None
        base_model.execute_after_save(None, instance, False)
        self.assertIsNone(instance.remote_id)