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[soc2009/multidb] Add multi-db support to fixture loading. Involves a rework of models in the multi-db test cases to make the fixture a complete test case. Patch from Russell Keith-Magee.

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2009/multidb@11891 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Alex Gaynor
2009-12-17 16:12:43 +00:00
parent 3c8c3bd651
commit 44f21f2374
14 changed files with 195 additions and 126 deletions

View File

@@ -6,7 +6,7 @@ from django.contrib.auth.models import User
from django.db import connections
from django.test import TestCase
from models import Book, Author, Review, UserProfile
from models import Book, Person, Review, UserProfile
try:
# we only have these models if the user is using multi-db, it's safe the
@@ -133,13 +133,13 @@ class QueryTestCase(TestCase):
pro = Book.objects.create(title="Pro Django",
published=datetime.date(2008, 12, 16))
marty = Author.objects.create(name="Marty Alchin")
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 = Author.objects.using('other').create(name="Mark Pilgrim")
mark = Person.objects.using('other').create(name="Mark Pilgrim")
# Save the author relations
pro.authors = [marty]
@@ -163,7 +163,7 @@ class QueryTestCase(TestCase):
# Reget the objects to clear caches
dive = Book.objects.using('other').get(title="Dive into Python")
mark = Author.objects.using('other').get(name="Mark Pilgrim")
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)),
@@ -178,13 +178,13 @@ class QueryTestCase(TestCase):
dive = Book.objects.using('other').create(title="Dive into Python",
published=datetime.date(2009, 5, 4))
mark = Author.objects.using('other').create(name="Mark Pilgrim")
mark = Person.objects.using('other').create(name="Mark Pilgrim")
# Save the author relations
dive.authors = [mark]
# Add a second author
john = Author.objects.using('other').create(name="John Smith")
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)),
[])
@@ -222,7 +222,7 @@ class QueryTestCase(TestCase):
dive = Book.objects.using('other').create(title="Dive into Python",
published=datetime.date(2009, 5, 4))
mark = Author.objects.using('other').create(name="Mark Pilgrim")
mark = Person.objects.using('other').create(name="Mark Pilgrim")
# Save the author relations
dive.authors = [mark]
@@ -233,30 +233,30 @@ class QueryTestCase(TestCase):
# Add a books to the m2m
mark.book_set.add(grease)
self.assertEquals(list(Author.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 Python').values_list('name', flat=True)),
[u'Mark Pilgrim'])
self.assertEquals(list(Author.objects.using('other').filter(book__title='Greasemonkey Hacks').values_list('name', flat=True)),
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(Author.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 Python').values_list('name', flat=True)),
[u'Mark Pilgrim'])
self.assertEquals(list(Author.objects.using('other').filter(book__title='Greasemonkey Hacks').values_list('name', flat=True)),
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(Author.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 Python').values_list('name', flat=True)),
[])
self.assertEquals(list(Author.objects.using('other').filter(book__title='Greasemonkey Hacks').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(Author.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 Python').values_list('name', flat=True)),
[])
self.assertEquals(list(Author.objects.using('other').filter(book__title='Dive into HTML5').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):
@@ -265,13 +265,13 @@ class QueryTestCase(TestCase):
pro = Book.objects.create(title="Pro Django",
published=datetime.date(2008, 12, 16))
marty = Author.objects.create(name="Marty Alchin")
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 = Author.objects.using('other').create(name="Mark Pilgrim")
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]
@@ -313,91 +313,93 @@ class QueryTestCase(TestCase):
pro = Book.objects.create(title="Pro Django",
published=datetime.date(2008, 12, 16))
marty = Author.objects.create(name="Marty Alchin")
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 = Author.objects.using('other').create(name="Mark Pilgrim")
mark = Person.objects.using('other').create(name="Mark Pilgrim")
chris = Person.objects.using('other').create(name="Chris Mills")
# Save the author's favourite books
marty.favourite_book = pro
marty.save()
pro.editor = george
pro.save()
mark.favourite_book = dive
mark.save()
dive.editor = chris
dive.save()
marty = Author.objects.using('default').get(name="Marty Alchin")
self.assertEquals(marty.favourite_book.title, "Pro Django")
pro = Book.objects.using('default').get(title="Pro Django")
self.assertEquals(pro.editor.name, "George Vilches")
mark = Author.objects.using('other').get(name='Mark Pilgrim')
self.assertEquals(mark.favourite_book.title, "Dive into Python")
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(Book.objects.using('default').filter(favourite_of__name='Marty Alchin').values_list('title', flat=True)),
[u'Pro Django'])
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Marty Alchin').values_list('title', flat=True)),
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(Book.objects.using('default').filter(favourite_of__name='Mark Pilgrim').values_list('title', flat=True)),
self.assertEquals(list(Person.objects.using('default').filter(edited__title='Dive into Python').values_list('name', flat=True)),
[])
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Mark Pilgrim').values_list('title', flat=True)),
[u'Dive into Python'])
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")
mark = Author.objects.using('other').get(name="Mark Pilgrim")
# Retrive related object by descriptor. Related objects should be database-baound
self.assertEquals(list(dive.favourite_of.all().values_list('name', flat=True)),
[u'Mark Pilgrim'])
self.assertEquals(mark.favourite_book.title, u'Dive into Python')
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 = Author.objects.using('other').create(name="Mark Pilgrim")
mark = Person.objects.using('other').create(name="Mark Pilgrim")
chris = Person.objects.using('other').create(name="Chris Mills")
# Save the author relations
mark.favourite_book = dive
mark.save()
dive.editor = chris
dive.save()
# Add a second author
john = Author.objects.using('other').create(name="John Smith")
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='John Smith').values_list('title', flat=True)),
# 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'])
dive.favourite_of.add(john)
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Mark Pilgrim').values_list('title', flat=True)),
[u'Dive into Python'])
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='John Smith').values_list('title', flat=True)),
[u'Dive into Python'])
# Remove the second author
dive.favourite_of.remove(john)
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Mark Pilgrim').values_list('title', flat=True)),
[u'Dive into Python'])
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='John Smith').values_list('title', flat=True)),
# 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 favourite_of
dive.favourite_of.clear()
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Mark Pilgrim').values_list('title', flat=True)),
# 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(Book.objects.using('other').filter(favourite_of__name='John Smith').values_list('title', 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
dive.favourite_of.create(name='Jane Brown')
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Mark Pilgrim').values_list('title', flat=True)),
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)),
[])
self.assertEquals(list(Book.objects.using('other').filter(favourite_of__name='Jane Brown').values_list('title', flat=True)),
[u'Dive into Python'])
def test_foreign_key_cross_database_protection(self):
"Operations that involve sharing FK objects across databases raise an error"
@@ -405,31 +407,31 @@ class QueryTestCase(TestCase):
pro = Book.objects.create(title="Pro Django",
published=datetime.date(2008, 12, 16))
marty = Author.objects.create(name="Marty Alchin")
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 = Author.objects.using('other').create(name="Mark Pilgrim")
mark = Person.objects.using('other').create(name="Mark Pilgrim")
# Set a foreign key with an object from a different database
try:
marty.favourite_book = dive
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:
dive.favourite_of = [mark, marty]
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:
dive.favourite_of.add(marty)
marty.edited.add(dive)
self.fail("Shouldn't be able to assign across databases")
except ValueError:
pass
@@ -437,37 +439,50 @@ class QueryTestCase(TestCase):
# 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.
john = Author(name="John Smith")
chris = Person(name="Chris Mills")
html5 = Book(title="Dive into HTML5", published=datetime.date(2010, 3, 15))
# initially, no db assigned
self.assertEquals(john._state.db, None)
self.assertEquals(chris._state.db, None)
self.assertEquals(html5._state.db, None)
# Dive comes from 'other', so john is set to use 'other'...
john.favourite_book = dive
self.assertEquals(john._state.db, 'other')
# 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(Author.objects.using('other').values_list('name',flat=True)),
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, John goes to 'other'
john.save()
self.assertEquals(list(Author.objects.using('default').values_list('name',flat=True)),
# 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(Author.objects.using('other').values_list('name',flat=True)),
[u'John Smith', u'Mark Pilgrim'])
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
jane = Author(name='Jane Brown', favourite_book=dive)
self.assertEquals(jane._state.db, 'other')
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(Author.objects.using('other').values_list('name',flat=True)),
[u'John Smith', 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'])
# When saved, Jane goes to 'other'
jane.save()
self.assertEquals(list(Author.objects.using('default').values_list('name',flat=True)),
[u'Marty Alchin'])
self.assertEquals(list(Author.objects.using('other').values_list('name',flat=True)),
[u'Jane Brown', u'John Smith', u'Mark Pilgrim'])
# 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"
@@ -591,6 +606,21 @@ class QueryTestCase(TestCase):
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")
class UserProfileTestCase(TestCase):
def setUp(self):
self.old_auth_profile_module = getattr(settings, 'AUTH_PROFILE_MODULE', None)
@@ -624,7 +654,7 @@ class FixtureTestCase(TestCase):
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.fail('"Pro Django" should exist on default database')
self.assertRaises(Book.DoesNotExist,
Book.objects.using('other').get,