django1/tests/modeltests/custom_columns/tests.py

74 lines
2.2 KiB
Python

from __future__ import absolute_import
from django.core.exceptions import FieldError
from django.test import TestCase
from .models import Author, Article
class CustomColumnsTests(TestCase):
def test_db_column(self):
a1 = Author.objects.create(first_name="John", last_name="Smith")
a2 = Author.objects.create(first_name="Peter", last_name="Jones")
art = Article.objects.create(headline="Django lets you build Web apps easily")
art.authors = [a1, a2]
# Although the table and column names on Author have been set to custom
# values, nothing about using the Author model has changed...
# Query the available authors
self.assertQuerysetEqual(
Author.objects.all(), [
"Peter Jones", "John Smith",
],
unicode
)
self.assertQuerysetEqual(
Author.objects.filter(first_name__exact="John"), [
"John Smith",
],
unicode
)
self.assertEqual(
Author.objects.get(first_name__exact="John"),
a1,
)
self.assertRaises(FieldError,
lambda: Author.objects.filter(firstname__exact="John")
)
a = Author.objects.get(last_name__exact="Smith")
a.first_name = "John"
a.last_name = "Smith"
self.assertRaises(AttributeError, lambda: a.firstname)
self.assertRaises(AttributeError, lambda: a.last)
# Although the Article table uses a custom m2m table,
# nothing about using the m2m relationship has changed...
# Get all the authors for an article
self.assertQuerysetEqual(
art.authors.all(), [
"Peter Jones",
"John Smith",
],
unicode
)
# Get the articles for an author
self.assertQuerysetEqual(
a.article_set.all(), [
"Django lets you build Web apps easily",
],
lambda a: a.headline
)
# Query the authors across the m2m relation
self.assertQuerysetEqual(
art.authors.filter(last_name='Jones'), [
"Peter Jones"
],
unicode
)