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135 lines
4.0 KiB
Python
135 lines
4.0 KiB
Python
from __future__ import unicode_literals
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from django.core.exceptions import FieldError
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from django.test import TestCase
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from django.utils import six
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from .models import Article, Author
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class CustomColumnsTests(TestCase):
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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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self.article = Article.objects.create(headline="Django lets you build Web apps easily", primary_author=self.a1)
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self.article.authors.set(self.authors)
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def test_query_all_available_authors(self):
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self.assertQuerysetEqual(
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Author.objects.all(), [
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"Peter Jones", "John Smith",
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],
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six.text_type
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)
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def test_get_first_name(self):
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self.assertEqual(
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Author.objects.get(first_name__exact="John"),
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self.a1,
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)
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def test_filter_first_name(self):
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self.assertQuerysetEqual(
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Author.objects.filter(first_name__exact="John"), [
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"John Smith",
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],
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six.text_type
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)
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def test_field_error(self):
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self.assertRaises(
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FieldError,
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lambda: Author.objects.filter(firstname__exact="John")
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)
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def test_attribute_error(self):
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with self.assertRaises(AttributeError):
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self.a1.firstname
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with self.assertRaises(AttributeError):
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self.a1.last
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def test_get_all_authors_for_an_article(self):
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self.assertQuerysetEqual(
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self.article.authors.all(), [
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"Peter Jones",
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"John Smith",
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],
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six.text_type
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)
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def test_get_all_articles_for_an_author(self):
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self.assertQuerysetEqual(
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self.a1.article_set.all(), [
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"Django lets you build Web apps easily",
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],
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lambda a: a.headline
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)
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def test_get_author_m2m_relation(self):
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self.assertQuerysetEqual(
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self.article.authors.filter(last_name='Jones'), [
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"Peter Jones"
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],
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six.text_type
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)
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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_nonexistent_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: "
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"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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self.assertQuerysetEqual(
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self.article.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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self.article.authors.filter(last_name='Jones'),
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['<Author: Peter Jones>']
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)
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