85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
from django.test import TestCase
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from django.core.exceptions import FieldError
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from models import Author, Article
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def pks(objects):
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""" Return pks to be able to compare lists"""
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return [o.pk for o in objects]
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class CustomColumnRegression(TestCase):
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def assertRaisesMessage(self, exc, msg, func, *args, **kwargs):
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try:
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func(*args, **kwargs)
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except Exception, e:
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self.assertEqual(msg, str(e))
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self.assertTrue(isinstance(e, exc), "Expected %s, got %s" % (exc, type(e)))
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def setUp(self):
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self.a1 = Author.objects.create(first_name='John', last_name='Smith')
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self.a2 = Author.objects.create(first_name='Peter', last_name='Jones')
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self.authors = [self.a1, self.a2]
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def test_basic_creation(self):
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art = Article(headline='Django lets you build web apps easily', primary_author=self.a1)
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art.save()
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art.authors = [self.a1, self.a2]
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def test_author_querying(self):
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self.assertQuerysetEqual(
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Author.objects.all().order_by('last_name'),
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['<Author: Peter Jones>', '<Author: John Smith>']
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)
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def test_author_filtering(self):
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self.assertQuerysetEqual(
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Author.objects.filter(first_name__exact='John'),
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['<Author: John Smith>']
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)
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def test_author_get(self):
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self.assertEqual(self.a1, Author.objects.get(first_name__exact='John'))
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def test_filter_on_nonexistant_field(self):
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self.assertRaisesMessage(
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FieldError,
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"Cannot resolve keyword 'firstname' into field. Choices are: Author_ID, article, first_name, last_name, primary_set",
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Author.objects.filter,
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firstname__exact='John'
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)
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def test_author_get_attributes(self):
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a = Author.objects.get(last_name__exact='Smith')
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self.assertEqual('John', a.first_name)
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self.assertEqual('Smith', a.last_name)
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self.assertRaisesMessage(
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AttributeError,
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"'Author' object has no attribute 'firstname'",
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getattr,
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a, 'firstname'
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)
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self.assertRaisesMessage(
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AttributeError,
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"'Author' object has no attribute 'last'",
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getattr,
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a, 'last'
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)
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def test_m2m_table(self):
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art = Article.objects.create(headline='Django lets you build web apps easily', primary_author=self.a1)
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art.authors = self.authors
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self.assertQuerysetEqual(
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art.authors.all().order_by('last_name'),
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['<Author: Peter Jones>', '<Author: John Smith>']
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)
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self.assertQuerysetEqual(
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self.a1.article_set.all(),
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['<Article: Django lets you build web apps easily>']
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)
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self.assertQuerysetEqual(
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art.authors.filter(last_name='Jones'),
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['<Author: Peter Jones>']
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)
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