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+import datetime
+import pickle
+
+from django.conf import settings
+from django.contrib.auth.models import User
+from django.db import connections
+from django.test import TestCase
+
+from models import Book, Person, Review, UserProfile
+
+try:
+ # we only have these models if the user is using multi-db, it's safe the
+ # run the tests without them though.
+ from models import Article, article_using
+except ImportError:
+ pass
+
+class QueryTestCase(TestCase):
+ multi_db = True
+
+ def test_default_creation(self):
+ "Objects created on the default database don't leak onto other databases"
+ # Create a book on the default database using create()
+ Book.objects.create(title="Pro Django",
+ published=datetime.date(2008, 12, 16))
+
+ # Create a book on the default database using a save
+ dive = Book()
+ dive.title="Dive into Python"
+ dive.published = datetime.date(2009, 5, 4)
+ dive.save()
+
+ # Check that book exists on the default database, but not on other database
+ try:
+ Book.objects.get(title="Pro Django")
+ Book.objects.using('default').get(title="Pro Django")
+ except Book.DoesNotExist:
+ self.fail('"Dive Into Python" should exist on default database')
+
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.using('other').get,
+ title="Pro Django"
+ )
+
+ try:
+ Book.objects.get(title="Dive into Python")
+ Book.objects.using('default').get(title="Dive into Python")
+ except Book.DoesNotExist:
+ self.fail('"Dive into Python" should exist on default database')
+
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.using('other').get,
+ title="Dive into Python"
+ )
+
+
+ def test_other_creation(self):
+ "Objects created on another database don't leak onto the default database"
+ # Create a book on the second database
+ Book.objects.using('other').create(title="Pro Django",
+ published=datetime.date(2008, 12, 16))
+
+ # Create a book on the default database using a save
+ dive = Book()
+ dive.title="Dive into Python"
+ dive.published = datetime.date(2009, 5, 4)
+ dive.save(using='other')
+
+ # Check that book exists on the default database, but not on other database
+ try:
+ Book.objects.using('other').get(title="Pro Django")
+ except Book.DoesNotExist:
+ self.fail('"Dive Into Python" should exist on other database')
+
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.get,
+ title="Pro Django"
+ )
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.using('default').get,
+ title="Pro Django"
+ )
+
+ try:
+ Book.objects.using('other').get(title="Dive into Python")
+ except Book.DoesNotExist:
+ self.fail('"Dive into Python" should exist on other database')
+
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.get,
+ title="Dive into Python"
+ )
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.using('default').get,
+ title="Dive into Python"
+ )
+
+ def test_basic_queries(self):
+ "Queries are constrained to a single database"
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ dive = Book.objects.using('other').get(published=datetime.date(2009, 5, 4))
+ self.assertEqual(dive.title, "Dive into Python")
+ self.assertRaises(Book.DoesNotExist, Book.objects.using('default').get, published=datetime.date(2009, 5, 4))
+
+ dive = Book.objects.using('other').get(title__icontains="dive")
+ self.assertEqual(dive.title, "Dive into Python")
+ self.assertRaises(Book.DoesNotExist, Book.objects.using('default').get, title__icontains="dive")
+
+ dive = Book.objects.using('other').get(title__iexact="dive INTO python")
+ self.assertEqual(dive.title, "Dive into Python")
+ self.assertRaises(Book.DoesNotExist, Book.objects.using('default').get, title__iexact="dive INTO python")
+
+ dive = Book.objects.using('other').get(published__year=2009)
+ self.assertEqual(dive.title, "Dive into Python")
+ self.assertEqual(dive.published, datetime.date(2009, 5, 4))
+ self.assertRaises(Book.DoesNotExist, Book.objects.using('default').get, published__year=2009)
+
+ years = Book.objects.using('other').dates('published', 'year')
+ self.assertEqual([o.year for o in years], [2009])
+ years = Book.objects.using('default').dates('published', 'year')
+ self.assertEqual([o.year for o in years], [])
+
+ months = Book.objects.using('other').dates('published', 'month')
+ self.assertEqual([o.month for o in months], [5])
+ months = Book.objects.using('default').dates('published', 'month')
+ self.assertEqual([o.month for o in months], [])
+
+ def test_m2m_separation(self):
+ "M2M fields are constrained to a single database"
+ # Create a book and author on the default database
+ pro = Book.objects.create(title="Pro Django",
+ published=datetime.date(2008, 12, 16))
+
+ marty = Person.objects.create(name="Marty Alchin")
+
+ # Create a book and author on the other database
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ mark = Person.objects.using('other').create(name="Mark Pilgrim")
+
+ # Save the author relations
+ pro.authors = [marty]
+ dive.authors = [mark]
+
+ # Inspect the m2m tables directly.
+ # There should be 1 entry in each database
+ self.assertEquals(Book.authors.through.objects.using('default').count(), 1)
+ self.assertEquals(Book.authors.through.objects.using('other').count(), 1)
+
+ # Check that queries work across m2m joins
+ self.assertEquals(list(Book.objects.using('default').filter(authors__name='Marty Alchin').values_list('title', flat=True)),
+ [u'Pro Django'])
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Marty Alchin').values_list('title', flat=True)),
+ [])
+
+ self.assertEquals(list(Book.objects.using('default').filter(authors__name='Mark Pilgrim').values_list('title', flat=True)),
+ [])
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Mark Pilgrim').values_list('title', flat=True)),
+ [u'Dive into Python'])
+
+ # Reget the objects to clear caches
+ dive = Book.objects.using('other').get(title="Dive into Python")
+ mark = Person.objects.using('other').get(name="Mark Pilgrim")
+
+ # Retrive related object by descriptor. Related objects should be database-baound
+ self.assertEquals(list(dive.authors.all().values_list('name', flat=True)),
+ [u'Mark Pilgrim'])
+
+ self.assertEquals(list(mark.book_set.all().values_list('title', flat=True)),
+ [u'Dive into Python'])
+
+ def test_m2m_forward_operations(self):
+ "M2M forward manipulations are all constrained to a single DB"
+ # Create a book and author on the other database
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ mark = Person.objects.using('other').create(name="Mark Pilgrim")
+
+ # Save the author relations
+ dive.authors = [mark]
+
+ # Add a second author
+ john = Person.objects.using('other').create(name="John Smith")
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='John Smith').values_list('title', flat=True)),
+ [])
+
+
+ dive.authors.add(john)
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Mark Pilgrim').values_list('title', flat=True)),
+ [u'Dive into Python'])
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='John Smith').values_list('title', flat=True)),
+ [u'Dive into Python'])
+
+ # Remove the second author
+ dive.authors.remove(john)
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Mark Pilgrim').values_list('title', flat=True)),
+ [u'Dive into Python'])
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='John Smith').values_list('title', flat=True)),
+ [])
+
+ # Clear all authors
+ dive.authors.clear()
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Mark Pilgrim').values_list('title', flat=True)),
+ [])
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='John Smith').values_list('title', flat=True)),
+ [])
+
+ # Create an author through the m2m interface
+ dive.authors.create(name='Jane Brown')
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Mark Pilgrim').values_list('title', flat=True)),
+ [])
+ self.assertEquals(list(Book.objects.using('other').filter(authors__name='Jane Brown').values_list('title', flat=True)),
+ [u'Dive into Python'])
+
+ def test_m2m_reverse_operations(self):
+ "M2M reverse manipulations are all constrained to a single DB"
+ # Create a book and author on the other database
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ mark = Person.objects.using('other').create(name="Mark Pilgrim")
+
+ # Save the author relations
+ dive.authors = [mark]
+
+ # Create a second book on the other database
+ grease = Book.objects.using('other').create(title="Greasemonkey Hacks",
+ published=datetime.date(2005, 11, 1))
+
+ # Add a books to the m2m
+ mark.book_set.add(grease)
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Dive into Python').values_list('name', flat=True)),
+ [u'Mark Pilgrim'])
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Greasemonkey Hacks').values_list('name', flat=True)),
+ [u'Mark Pilgrim'])
+
+ # Remove a book from the m2m
+ mark.book_set.remove(grease)
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Dive into Python').values_list('name', flat=True)),
+ [u'Mark Pilgrim'])
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Greasemonkey Hacks').values_list('name', flat=True)),
+ [])
+
+ # Clear the books associated with mark
+ mark.book_set.clear()
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Dive into Python').values_list('name', flat=True)),
+ [])
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Greasemonkey Hacks').values_list('name', flat=True)),
+ [])
+
+ # Create a book through the m2m interface
+ mark.book_set.create(title="Dive into HTML5", published=datetime.date(2020, 1, 1))
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Dive into Python').values_list('name', flat=True)),
+ [])
+ self.assertEquals(list(Person.objects.using('other').filter(book__title='Dive into HTML5').values_list('name', flat=True)),
+ [u'Mark Pilgrim'])
+
+# def test_m2m_cross_database_protection(self):
+# "Operations that involve sharing M2M objects across databases raise an error"
+# # Create a book and author on the default database
+# pro = Book.objects.create(title="Pro Django",
+# published=datetime.date(2008, 12, 16))
+
+# marty = Person.objects.create(name="Marty Alchin")
+
+# # Create a book and author on the other database
+# dive = Book.objects.using('other').create(title="Dive into Python",
+# published=datetime.date(2009, 5, 4))
+
+# mark = Person.objects.using('other').create(name="Mark Pilgrim")
+# # Set a foreign key set with an object from a different database
+# try:
+# marty.book_set = [pro, dive]
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # Add to an m2m with an object from a different database
+# try:
+# marty.book_set.add(dive)
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # Set a m2m with an object from a different database
+# try:
+# marty.book_set = [pro, dive]
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # Add to a reverse m2m with an object from a different database
+# try:
+# dive.authors.add(marty)
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # Set a reverse m2m with an object from a different database
+# try:
+# dive.authors = [mark, marty]
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+ def test_foreign_key_separation(self):
+ "FK fields are constrained to a single database"
+ # Create a book and author on the default database
+ pro = Book.objects.create(title="Pro Django",
+ published=datetime.date(2008, 12, 16))
+
+ marty = Person.objects.create(name="Marty Alchin")
+ george = Person.objects.create(name="George Vilches")
+
+ # Create a book and author on the other database
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ mark = Person.objects.using('other').create(name="Mark Pilgrim")
+ chris = Person.objects.using('other').create(name="Chris Mills")
+
+ # Save the author's favourite books
+ pro.editor = george
+ pro.save()
+
+ dive.editor = chris
+ dive.save()
+
+ pro = Book.objects.using('default').get(title="Pro Django")
+ self.assertEquals(pro.editor.name, "George Vilches")
+
+ dive = Book.objects.using('other').get(title="Dive into Python")
+ self.assertEquals(dive.editor.name, "Chris Mills")
+
+ # Check that queries work across foreign key joins
+ self.assertEquals(list(Person.objects.using('default').filter(edited__title='Pro Django').values_list('name', flat=True)),
+ [u'George Vilches'])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Pro Django').values_list('name', flat=True)),
+ [])
+
+ self.assertEquals(list(Person.objects.using('default').filter(edited__title='Dive into Python').values_list('name', flat=True)),
+ [])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into Python').values_list('name', flat=True)),
+ [u'Chris Mills'])
+
+ # Reget the objects to clear caches
+ chris = Person.objects.using('other').get(name="Chris Mills")
+ dive = Book.objects.using('other').get(title="Dive into Python")
+
+ # Retrive related object by descriptor. Related objects should be database-baound
+ self.assertEquals(list(chris.edited.values_list('title', flat=True)),
+ [u'Dive into Python'])
+
+ def test_foreign_key_reverse_operations(self):
+ "FK reverse manipulations are all constrained to a single DB"
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ mark = Person.objects.using('other').create(name="Mark Pilgrim")
+ chris = Person.objects.using('other').create(name="Chris Mills")
+
+ # Save the author relations
+ dive.editor = chris
+ dive.save()
+
+ # Add a second book edited by chris
+ html5 = Book.objects.using('other').create(title="Dive into HTML5", published=datetime.date(2010, 3, 15))
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into HTML5').values_list('name', flat=True)),
+ [])
+
+ chris.edited.add(html5)
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into HTML5').values_list('name', flat=True)),
+ [u'Chris Mills'])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into Python').values_list('name', flat=True)),
+ [u'Chris Mills'])
+
+ # Remove the second editor
+ chris.edited.remove(html5)
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into HTML5').values_list('name', flat=True)),
+ [])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into Python').values_list('name', flat=True)),
+ [u'Chris Mills'])
+
+ # Clear all edited books
+ chris.edited.clear()
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into HTML5').values_list('name', flat=True)),
+ [])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into Python').values_list('name', flat=True)),
+ [])
+
+ # Create an author through the m2m interface
+ chris.edited.create(title='Dive into Water', published=datetime.date(2010, 3, 15))
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into HTML5').values_list('name', flat=True)),
+ [])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into Water').values_list('name', flat=True)),
+ [u'Chris Mills'])
+ self.assertEquals(list(Person.objects.using('other').filter(edited__title='Dive into Python').values_list('name', flat=True)),
+ [])
+
+# def test_foreign_key_cross_database_protection(self):
+# "Operations that involve sharing FK objects across databases raise an error"
+# # Create a book and author on the default database
+# pro = Book.objects.create(title="Pro Django",
+# published=datetime.date(2008, 12, 16))
+
+# marty = Person.objects.create(name="Marty Alchin")
+
+# # Create a book and author on the other database
+# dive = Book.objects.using('other').create(title="Dive into Python",
+# published=datetime.date(2009, 5, 4))
+
+# mark = Person.objects.using('other').create(name="Mark Pilgrim")
+
+# # Set a foreign key with an object from a different database
+# try:
+# dive.editor = marty
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # Set a foreign key set with an object from a different database
+# try:
+# marty.edited = [pro, dive]
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # Add to a foreign key set with an object from a different database
+# try:
+# marty.edited.add(dive)
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # BUT! if you assign a FK object when the base object hasn't
+# # been saved yet, you implicitly assign the database for the
+# # base object.
+# chris = Person(name="Chris Mills")
+# html5 = Book(title="Dive into HTML5", published=datetime.date(2010, 3, 15))
+# # initially, no db assigned
+# self.assertEquals(chris._state.db, None)
+# self.assertEquals(html5._state.db, None)
+
+# # old object comes from 'other', so the new object is set to use 'other'...
+# dive.editor = chris
+# html5.editor = mark
+# # self.assertEquals(chris._state.db, 'other')
+# self.assertEquals(html5._state.db, 'other')
+# # ... but it isn't saved yet
+# self.assertEquals(list(Person.objects.using('other').values_list('name',flat=True)),
+# [u'Mark Pilgrim'])
+# self.assertEquals(list(Book.objects.using('other').values_list('title',flat=True)),
+# [u'Dive into Python'])
+
+# # When saved (no using required), new objects goes to 'other'
+# chris.save()
+# html5.save()
+# self.assertEquals(list(Person.objects.using('default').values_list('name',flat=True)),
+# [u'Marty Alchin'])
+# self.assertEquals(list(Person.objects.using('other').values_list('name',flat=True)),
+# [u'Chris Mills', u'Mark Pilgrim'])
+# self.assertEquals(list(Book.objects.using('default').values_list('title',flat=True)),
+# [u'Pro Django'])
+# self.assertEquals(list(Book.objects.using('other').values_list('title',flat=True)),
+# [u'Dive into HTML5', u'Dive into Python'])
+
+# # This also works if you assign the FK in the constructor
+# water = Book(title="Dive into Water", published=datetime.date(2001, 1, 1), editor=mark)
+# self.assertEquals(water._state.db, 'other')
+# # ... but it isn't saved yet
+# self.assertEquals(list(Book.objects.using('default').values_list('title',flat=True)),
+# [u'Pro Django'])
+# self.assertEquals(list(Book.objects.using('other').values_list('title',flat=True)),
+# [u'Dive into HTML5', u'Dive into Python'])
+
+# # When saved, the new book goes to 'other'
+# water.save()
+# self.assertEquals(list(Book.objects.using('default').values_list('title',flat=True)),
+# [u'Pro Django'])
+# self.assertEquals(list(Book.objects.using('other').values_list('title',flat=True)),
+# [u'Dive into HTML5', u'Dive into Python', u'Dive into Water'])
+
+ def test_generic_key_separation(self):
+ "Generic fields are constrained to a single database"
+ # Create a book and author on the default database
+ pro = Book.objects.create(title="Pro Django",
+ published=datetime.date(2008, 12, 16))
+
+ review1 = Review.objects.create(source="Python Monthly", content_object=pro)
+
+ # Create a book and author on the other database
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ review2 = Review.objects.using('other').create(source="Python Weekly", content_object=dive)
+
+ review1 = Review.objects.using('default').get(source="Python Monthly")
+ self.assertEquals(review1.content_object.title, "Pro Django")
+
+ review2 = Review.objects.using('other').get(source="Python Weekly")
+ self.assertEquals(review2.content_object.title, "Dive into Python")
+
+ # Reget the objects to clear caches
+ dive = Book.objects.using('other').get(title="Dive into Python")
+
+ # Retrive related object by descriptor. Related objects should be database-bound
+ self.assertEquals(list(dive.reviews.all().values_list('source', flat=True)),
+ [u'Python Weekly'])
+
+ def test_generic_key_reverse_operations(self):
+ "Generic reverse manipulations are all constrained to a single DB"
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ temp = Book.objects.using('other').create(title="Temp",
+ published=datetime.date(2009, 5, 4))
+
+ review1 = Review.objects.using('other').create(source="Python Weekly", content_object=dive)
+ review2 = Review.objects.using('other').create(source="Python Monthly", content_object=temp)
+
+ self.assertEquals(list(Review.objects.using('default').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [])
+ self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [u'Python Weekly'])
+
+ # Add a second review
+ dive.reviews.add(review2)
+ self.assertEquals(list(Review.objects.using('default').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [])
+ self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [u'Python Monthly', u'Python Weekly'])
+
+ # Remove the second author
+ dive.reviews.remove(review1)
+ self.assertEquals(list(Review.objects.using('default').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [])
+ self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [u'Python Monthly'])
+
+ # Clear all reviews
+ dive.reviews.clear()
+ self.assertEquals(list(Review.objects.using('default').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [])
+ self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [])
+
+ # Create an author through the generic interface
+ dive.reviews.create(source='Python Daily')
+ self.assertEquals(list(Review.objects.using('default').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [])
+ self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source', flat=True)),
+ [u'Python Daily'])
+
+# def test_generic_key_cross_database_protection(self):
+## "Operations that involve sharing FK objects across databases raise an error"
+## # Create a book and author on the default database
+## pro = Book.objects.create(title="Pro Django",
+## published=datetime.date(2008, 12, 16))
+
+## review1 = Review.objects.create(source="Python Monthly", content_object=pro)
+
+## # Create a book and author on the other database
+## dive = Book.objects.using('other').create(title="Dive into Python",
+## published=datetime.date(2009, 5, 4))
+
+## review2 = Review.objects.using('other').create(source="Python Weekly", content_object=dive)
+
+## # Set a foreign key with an object from a different database
+## try:
+## review1.content_object = dive
+## self.fail("Shouldn't be able to assign across databases")
+## except ValueError:
+## pass
+
+# # Add to a foreign key set with an object from a different database
+# try:
+# dive.reviews.add(review1)
+# self.fail("Shouldn't be able to assign across databases")
+# except ValueError:
+# pass
+
+# # BUT! if you assign a FK object when the base object hasn't
+# # been saved yet, you implicitly assign the database for the
+# # base object.
+# review3 = Review(source="Python Daily")
+# # initially, no db assigned
+# self.assertEquals(review3._state.db, None)
+
+# # Dive comes from 'other', so review3 is set to use 'other'...
+# review3.content_object = dive
+# self.assertEquals(review3._state.db, 'other')
+# # ... but it isn't saved yet
+# self.assertEquals(list(Review.objects.using('default').filter(object_id=pro.pk).values_list('source', flat=True)),
+# [u'Python Monthly'])
+# self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source',flat=True)),
+# [u'Python Weekly'])
+
+# # When saved, John goes to 'other'
+# review3.save()
+# self.assertEquals(list(Review.objects.using('default').filter(object_id=pro.pk).values_list('source', flat=True)),
+# [u'Python Monthly'])
+# self.assertEquals(list(Review.objects.using('other').filter(object_id=dive.pk).values_list('source',flat=True)),
+# [u'Python Daily', u'Python Weekly'])
+
+ def test_ordering(self):
+ "get_next_by_XXX commands stick to a single database"
+ pro = Book.objects.create(title="Pro Django",
+ published=datetime.date(2008, 12, 16))
+
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+
+ learn = Book.objects.using('other').create(title="Learning Python",
+ published=datetime.date(2008, 7, 16))
+
+ self.assertEquals(learn.get_next_by_published().title, "Dive into Python")
+ self.assertEquals(dive.get_previous_by_published().title, "Learning Python")
+
+ def test_raw(self):
+ "test the raw() method across databases"
+ dive = Book.objects.using('other').create(title="Dive into Python",
+ published=datetime.date(2009, 5, 4))
+ val = Book.objects.db_manager("other").raw('SELECT id FROM "multiple_database_book"')
+ self.assertEqual(map(lambda o: o.pk, val), [dive.pk])
+
+ val = Book.objects.raw('SELECT id FROM "multiple_database_book"').using('other')
+ self.assertEqual(map(lambda o: o.pk, val), [dive.pk])
+
+
+class UserProfileTestCase(TestCase):
+ def setUp(self):
+ self.old_auth_profile_module = getattr(settings, 'AUTH_PROFILE_MODULE', None)
+ settings.AUTH_PROFILE_MODULE = 'multiple_database.UserProfile'
+
+ def tearDown(self):
+ settings.AUTH_PROFILE_MODULE = self.old_auth_profile_module
+
+ def test_user_profiles(self):
+
+ alice = User.objects.create_user('alice', 'alice@example.com')
+ bob = User.objects.db_manager('other').create_user('bob', 'bob@example.com')
+
+ alice_profile = UserProfile(user=alice, flavor='chocolate')
+ alice_profile.save()
+
+ bob_profile = UserProfile(user=bob, flavor='crunchy frog')
+ bob_profile.save()
+
+ self.assertEquals(alice.get_profile().flavor, 'chocolate')
+ self.assertEquals(bob.get_profile().flavor, 'crunchy frog')
+
+class FixtureTestCase(TestCase):
+ multi_db = True
+ fixtures = ['multidb-common', 'multidb']
+
+ def test_fixture_loading(self):
+ "Multi-db fixtures are loaded correctly"
+ # Check that "Pro Django" exists on the default database, but not on other database
+ try:
+ Book.objects.get(title="Pro Django")
+ Book.objects.using('default').get(title="Pro Django")
+ except Book.DoesNotExist:
+ self.fail('"Pro Django" should exist on default database')
+
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.using('other').get,
+ title="Pro Django"
+ )
+
+ # Check that "Dive into Python" exists on the default database, but not on other database
+ try:
+ Book.objects.using('other').get(title="Dive into Python")
+ except Book.DoesNotExist:
+ self.fail('"Dive into Python" should exist on other database')
+
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.get,
+ title="Dive into Python"
+ )
+ self.assertRaises(Book.DoesNotExist,
+ Book.objects.using('default').get,
+ title="Dive into Python"
+ )
+
+ # Check that "Definitive Guide" exists on the both databases
+ try:
+ Book.objects.get(title="The Definitive Guide to Django")
+ Book.objects.using('default').get(title="The Definitive Guide to Django")
+ Book.objects.using('other').get(title="The Definitive Guide to Django")
+ except Book.DoesNotExist:
+ self.fail('"The Definitive Guide to Django" should exist on both databases')
+
+
+class PickleQuerySetTestCase(TestCase):
+ multi_db = True
+
+ def test_pickling(self):
+ for db in connections:
+ Book.objects.using(db).create(title='Dive into Python', published=datetime.date(2009, 5, 4))
+ qs = Book.objects.all()
+ self.assertEqual(qs.db, pickle.loads(pickle.dumps(qs)).db)