''' testing models '''
from django.test import TestCase
from django.core.exceptions import ValidationError

from bookwyrm import models, settings


class ReadThrough(TestCase):
    ''' some activitypub oddness ahead '''
    def setUp(self):
        ''' look, a shelf '''
        self.user = models.User.objects.create_user(
            'mouse', 'mouse@mouse.mouse', 'mouseword',
            local=True, localname='mouse')

        self.work = models.Work.objects.create(
            title='Example Work'
        )

        self.edition = models.Edition.objects.create(
            title='Example Edition',
            parent_work=self.work
        )
        self.work.default_edition = self.edition
        self.work.save()

        self.readthrough = models.ReadThrough.objects.create(
            user=self.user,
            book=self.edition)

    def test_progress_update(self):
        ''' Test progress updates '''
        self.readthrough.create_update() # No-op, no progress yet
        self.readthrough.progress = 10
        self.readthrough.create_update()
        self.readthrough.progress = 20
        self.readthrough.progress_mode = models.ProgressMode.PERCENT
        self.readthrough.create_update()

        updates = self.readthrough.progressupdate_set \
                    .order_by('created_date').all()
        self.assertEqual(len(updates), 2)
        self.assertEqual(updates[0].progress, 10)
        self.assertEqual(updates[0].mode, models.ProgressMode.PAGE)
        self.assertEqual(updates[1].progress, 20)
        self.assertEqual(updates[1].mode, models.ProgressMode.PERCENT)

        self.readthrough.progress = -10
        self.assertRaises(ValidationError, self.readthrough.clean_fields)
        update = self.readthrough.create_update()
        self.assertRaises(ValidationError, update.clean_fields)