From 65411d01d448ff0cd4abd14eee14cf60b5f8fc20 Mon Sep 17 00:00:00 2001 From: Nishanth Amuluru Date: Sat, 8 Jan 2011 11:20:57 +0530 Subject: Added buildout stuff and made changes accordingly --HG-- rename : profile/management/__init__.py => eggs/djangorecipe-0.20-py2.6.egg/EGG-INFO/dependency_links.txt rename : profile/management/__init__.py => eggs/djangorecipe-0.20-py2.6.egg/EGG-INFO/not-zip-safe rename : profile/management/__init__.py => eggs/infrae.subversion-1.4.5-py2.6.egg/EGG-INFO/dependency_links.txt rename : profile/management/__init__.py => eggs/infrae.subversion-1.4.5-py2.6.egg/EGG-INFO/not-zip-safe rename : profile/management/__init__.py => eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/EGG-INFO/dependency_links.txt rename : profile/management/__init__.py => eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/EGG-INFO/not-zip-safe rename : profile/management/__init__.py => eggs/py-1.4.0-py2.6.egg/EGG-INFO/dependency_links.txt rename : profile/management/__init__.py => eggs/py-1.4.0-py2.6.egg/EGG-INFO/not-zip-safe rename : profile/management/__init__.py => eggs/zc.buildout-1.5.2-py2.6.egg/EGG-INFO/dependency_links.txt rename : profile/management/__init__.py => eggs/zc.buildout-1.5.2-py2.6.egg/EGG-INFO/not-zip-safe rename : profile/management/__init__.py => eggs/zc.recipe.egg-1.3.2-py2.6.egg/EGG-INFO/dependency_links.txt rename : profile/management/__init__.py => eggs/zc.recipe.egg-1.3.2-py2.6.egg/EGG-INFO/not-zip-safe rename : profile/management/__init__.py => parts/django/Django.egg-info/dependency_links.txt rename : taskapp/models.py => parts/django/django/conf/app_template/models.py rename : taskapp/tests.py => parts/django/django/conf/app_template/tests.py rename : taskapp/views.py => parts/django/django/conf/app_template/views.py rename : taskapp/views.py => parts/django/django/contrib/gis/tests/geo3d/views.py rename : profile/management/__init__.py => parts/django/tests/modeltests/delete/__init__.py rename : profile/management/__init__.py => parts/django/tests/modeltests/files/__init__.py rename : profile/management/__init__.py => parts/django/tests/modeltests/invalid_models/__init__.py rename : profile/management/__init__.py => parts/django/tests/modeltests/m2m_signals/__init__.py rename : profile/management/__init__.py => parts/django/tests/modeltests/model_package/__init__.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/__init__.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/management/__init__.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/management/commands/__init__.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/bash_completion/models.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/delete_regress/__init__.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/file_storage/__init__.py rename : profile/management/__init__.py => parts/django/tests/regressiontests/max_lengths/__init__.py rename : profile/forms.py => pytask/profile/forms.py rename : profile/management/__init__.py => pytask/profile/management/__init__.py rename : profile/management/commands/seed_db.py => pytask/profile/management/commands/seed_db.py rename : profile/models.py => pytask/profile/models.py rename : profile/templatetags/user_tags.py => pytask/profile/templatetags/user_tags.py rename : taskapp/tests.py => pytask/profile/tests.py rename : profile/urls.py => pytask/profile/urls.py rename : profile/utils.py => pytask/profile/utils.py rename : profile/views.py => pytask/profile/views.py rename : static/css/base.css => pytask/static/css/base.css rename : taskapp/tests.py => pytask/taskapp/tests.py rename : taskapp/views.py => pytask/taskapp/views.py rename : templates/base.html => pytask/templates/base.html rename : templates/profile/browse_notifications.html => pytask/templates/profile/browse_notifications.html rename : templates/profile/edit.html => pytask/templates/profile/edit.html rename : templates/profile/view.html => pytask/templates/profile/view.html rename : templates/profile/view_notification.html => pytask/templates/profile/view_notification.html rename : templates/registration/activate.html => pytask/templates/registration/activate.html rename : templates/registration/activation_email.txt => pytask/templates/registration/activation_email.txt rename : templates/registration/activation_email_subject.txt => pytask/templates/registration/activation_email_subject.txt rename : templates/registration/logged_out.html => pytask/templates/registration/logged_out.html rename : templates/registration/login.html => pytask/templates/registration/login.html rename : templates/registration/logout.html => pytask/templates/registration/logout.html rename : templates/registration/password_change_done.html => pytask/templates/registration/password_change_done.html rename : templates/registration/password_change_form.html => pytask/templates/registration/password_change_form.html rename : templates/registration/password_reset_complete.html => pytask/templates/registration/password_reset_complete.html rename : templates/registration/password_reset_confirm.html => pytask/templates/registration/password_reset_confirm.html rename : templates/registration/password_reset_done.html => pytask/templates/registration/password_reset_done.html rename : templates/registration/password_reset_email.html => pytask/templates/registration/password_reset_email.html rename : templates/registration/password_reset_form.html => pytask/templates/registration/password_reset_form.html rename : templates/registration/registration_complete.html => pytask/templates/registration/registration_complete.html rename : templates/registration/registration_form.html => pytask/templates/registration/registration_form.html rename : utils.py => pytask/utils.py --- .../tests/regressiontests/delete_regress/tests.py | 116 +++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 parts/django/tests/regressiontests/delete_regress/tests.py (limited to 'parts/django/tests/regressiontests/delete_regress/tests.py') diff --git a/parts/django/tests/regressiontests/delete_regress/tests.py b/parts/django/tests/regressiontests/delete_regress/tests.py new file mode 100644 index 0000000..26cd3c5 --- /dev/null +++ b/parts/django/tests/regressiontests/delete_regress/tests.py @@ -0,0 +1,116 @@ +import datetime + +from django.conf import settings +from django.db import backend, connection, transaction, DEFAULT_DB_ALIAS +from django.test import TestCase, TransactionTestCase + +from models import Book, Award, AwardNote, Person, Child, Toy, PlayedWith, PlayedWithNote + +# Can't run this test under SQLite, because you can't +# get two connections to an in-memory database. +if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.sqlite3': + class DeleteLockingTest(TransactionTestCase): + def setUp(self): + # Create a second connection to the default database + conn_settings = settings.DATABASES[DEFAULT_DB_ALIAS] + self.conn2 = backend.DatabaseWrapper({ + 'HOST': conn_settings['HOST'], + 'NAME': conn_settings['NAME'], + 'OPTIONS': conn_settings['OPTIONS'], + 'PASSWORD': conn_settings['PASSWORD'], + 'PORT': conn_settings['PORT'], + 'USER': conn_settings['USER'], + 'TIME_ZONE': settings.TIME_ZONE, + }) + + # Put both DB connections into managed transaction mode + transaction.enter_transaction_management() + transaction.managed(True) + self.conn2._enter_transaction_management(True) + + def tearDown(self): + # Close down the second connection. + transaction.leave_transaction_management() + self.conn2.close() + + def test_concurrent_delete(self): + "Deletes on concurrent transactions don't collide and lock the database. Regression for #9479" + + # Create some dummy data + b1 = Book(id=1, pagecount=100) + b2 = Book(id=2, pagecount=200) + b3 = Book(id=3, pagecount=300) + b1.save() + b2.save() + b3.save() + + transaction.commit() + + self.assertEquals(3, Book.objects.count()) + + # Delete something using connection 2. + cursor2 = self.conn2.cursor() + cursor2.execute('DELETE from delete_regress_book WHERE id=1') + self.conn2._commit(); + + # Now perform a queryset delete that covers the object + # deleted in connection 2. This causes an infinite loop + # under MySQL InnoDB unless we keep track of already + # deleted objects. + Book.objects.filter(pagecount__lt=250).delete() + transaction.commit() + self.assertEquals(1, Book.objects.count()) + +class DeleteCascadeTests(TestCase): + def test_generic_relation_cascade(self): + """ + Test that Django cascades deletes through generic-related + objects to their reverse relations. + + This might falsely succeed if the database cascades deletes + itself immediately; the postgresql_psycopg2 backend does not + give such a false success because ForeignKeys are created with + DEFERRABLE INITIALLY DEFERRED, so its internal cascade is + delayed until transaction commit. + + """ + person = Person.objects.create(name='Nelson Mandela') + award = Award.objects.create(name='Nobel', content_object=person) + note = AwardNote.objects.create(note='a peace prize', + award=award) + self.assertEquals(AwardNote.objects.count(), 1) + person.delete() + self.assertEquals(Award.objects.count(), 0) + # first two asserts are just sanity checks, this is the kicker: + self.assertEquals(AwardNote.objects.count(), 0) + + def test_fk_to_m2m_through(self): + """ + Test that if a M2M relationship has an explicitly-specified + through model, and some other model has an FK to that through + model, deletion is cascaded from one of the participants in + the M2M, to the through model, to its related model. + + Like the above test, this could in theory falsely succeed if + the DB cascades deletes itself immediately. + + """ + juan = Child.objects.create(name='Juan') + paints = Toy.objects.create(name='Paints') + played = PlayedWith.objects.create(child=juan, toy=paints, + date=datetime.date.today()) + note = PlayedWithNote.objects.create(played=played, + note='the next Jackson Pollock') + self.assertEquals(PlayedWithNote.objects.count(), 1) + paints.delete() + self.assertEquals(PlayedWith.objects.count(), 0) + # first two asserts just sanity checks, this is the kicker: + self.assertEquals(PlayedWithNote.objects.count(), 0) + +class LargeDeleteTests(TestCase): + def test_large_deletes(self): + "Regression for #13309 -- if the number of objects > chunk size, deletion still occurs" + for x in range(300): + track = Book.objects.create(pagecount=x+100) + Book.objects.all().delete() + self.assertEquals(Book.objects.count(), 0) -- cgit