from __future__ import absolute_import, unicode_literals

import unittest

from django.test import TestCase

from wagtail.tests.search import models

from .test_backends import BackendTests


class TestDBBackend(BackendTests, TestCase):
    backend_path = 'wagtail.wagtailsearch.backends.db'

    @unittest.expectedFailure
    def test_callable_indexed_field(self):
        super(TestDBBackend, self).test_callable_indexed_field()

    @unittest.expectedFailure
    def test_update_index_command(self):
        super(TestDBBackend, self).test_update_index_command()

    def test_annotate_score(self):
        results = self.backend.search("Hello", models.SearchTest).annotate_score('_score')

        for result in results:
            # DB backend doesn't do scoring, so annotate_score should just add None
            self.assertIsNone(result._score)
