from __future__ import unicode_literals from django.core.exceptions import FieldError from django.test import TestCase from .models import Author, Article def pks(objects): """ Return pks to be able to compare lists""" return [o.pk for o in objects] class CustomColumnRegression(TestCase): def setUp(self): self.a1 = Author.objects.create(first_name='John', last_name='Smith') self.a2 = Author.objects.create(first_name='Peter', last_name='Jones') self.authors = [self.a1, self.a2] def test_basic_creation(self): art = Article(headline='Django lets you build Web apps easily', primary_author=self.a1) art.save() art.authors = [self.a1, self.a2] def test_author_querying(self): self.assertQuerysetEqual( Author.objects.all().order_by('last_name'), ['', ''] ) def test_author_filtering(self): self.assertQuerysetEqual( Author.objects.filter(first_name__exact='John'), [''] ) def test_author_get(self): self.assertEqual(self.a1, Author.objects.get(first_name__exact='John')) def test_filter_on_nonexistant_field(self): self.assertRaisesMessage( FieldError, "Cannot resolve keyword 'firstname' into field. Choices are: Author_ID, article, first_name, last_name, primary_set", Author.objects.filter, firstname__exact='John' ) def test_author_get_attributes(self): a = Author.objects.get(last_name__exact='Smith') self.assertEqual('John', a.first_name) self.assertEqual('Smith', a.last_name) self.assertRaisesMessage( AttributeError, "'Author' object has no attribute 'firstname'", getattr, a, 'firstname' ) self.assertRaisesMessage( AttributeError, "'Author' object has no attribute 'last'", getattr, a, 'last' ) def test_m2m_table(self): art = Article.objects.create(headline='Django lets you build Web apps easily', primary_author=self.a1) art.authors = self.authors self.assertQuerysetEqual( art.authors.all().order_by('last_name'), ['', ''] ) self.assertQuerysetEqual( self.a1.article_set.all(), [''] ) self.assertQuerysetEqual( art.authors.filter(last_name='Jones'), [''] )