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author | Nishanth Amuluru | 2011-01-08 11:20:57 +0530 |
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committer | Nishanth Amuluru | 2011-01-08 11:20:57 +0530 |
commit | 65411d01d448ff0cd4abd14eee14cf60b5f8fc20 (patch) | |
tree | b4c404363c4c63a61d6e2f8bd26c5b057c1fb09d /parts/django/tests/modeltests/m2m_through/tests.py | |
parent | 2e35094d43b4cc6974172e1febf76abb50f086ec (diff) | |
download | pytask-65411d01d448ff0cd4abd14eee14cf60b5f8fc20.tar.gz pytask-65411d01d448ff0cd4abd14eee14cf60b5f8fc20.tar.bz2 pytask-65411d01d448ff0cd4abd14eee14cf60b5f8fc20.zip |
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
Diffstat (limited to 'parts/django/tests/modeltests/m2m_through/tests.py')
-rw-r--r-- | parts/django/tests/modeltests/m2m_through/tests.py | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/parts/django/tests/modeltests/m2m_through/tests.py b/parts/django/tests/modeltests/m2m_through/tests.py new file mode 100644 index 0000000..807e952 --- /dev/null +++ b/parts/django/tests/modeltests/m2m_through/tests.py @@ -0,0 +1,343 @@ +from datetime import datetime +from operator import attrgetter + +from django.test import TestCase + +from models import Person, Group, Membership, CustomMembership, \ + TestNoDefaultsOrNulls, PersonSelfRefM2M, Friendship + + +class M2mThroughTests(TestCase): + def setUp(self): + self.bob = Person.objects.create(name='Bob') + self.jim = Person.objects.create(name='Jim') + self.jane = Person.objects.create(name='Jane') + self.rock = Group.objects.create(name='Rock') + self.roll = Group.objects.create(name='Roll') + + def test_m2m_through(self): + # We start out by making sure that the Group 'rock' has no members. + self.assertQuerysetEqual( + self.rock.members.all(), + [] + ) + # To make Jim a member of Group Rock, simply create a Membership object. + m1 = Membership.objects.create(person=self.jim, group=self.rock) + # We can do the same for Jane and Rock. + m2 = Membership.objects.create(person=self.jane, group=self.rock) + # Let's check to make sure that it worked. Jane and Jim should be members of Rock. + self.assertQuerysetEqual( + self.rock.members.all(), [ + 'Jane', + 'Jim' + ], + attrgetter("name") + ) + # Now we can add a bunch more Membership objects to test with. + m3 = Membership.objects.create(person=self.bob, group=self.roll) + m4 = Membership.objects.create(person=self.jim, group=self.roll) + m5 = Membership.objects.create(person=self.jane, group=self.roll) + # We can get Jim's Group membership as with any ForeignKey. + self.assertQuerysetEqual( + self.jim.group_set.all(), [ + 'Rock', + 'Roll' + ], + attrgetter("name") + ) + # Querying the intermediary model works like normal. + self.assertEqual( + repr(Membership.objects.get(person=self.jane, group=self.rock)), + '<Membership: Jane is a member of Rock>' + ) + # It's not only get that works. Filter works like normal as well. + self.assertQuerysetEqual( + Membership.objects.filter(person=self.jim), [ + '<Membership: Jim is a member of Rock>', + '<Membership: Jim is a member of Roll>' + ] + ) + self.rock.members.clear() + # Now there will be no members of Rock. + self.assertQuerysetEqual( + self.rock.members.all(), + [] + ) + + + + def test_forward_descriptors(self): + # Due to complications with adding via an intermediary model, + # the add method is not provided. + self.assertRaises(AttributeError, lambda: self.rock.members.add(self.bob)) + # Create is also disabled as it suffers from the same problems as add. + self.assertRaises(AttributeError, lambda: self.rock.members.create(name='Anne')) + # Remove has similar complications, and is not provided either. + self.assertRaises(AttributeError, lambda: self.rock.members.remove(self.jim)) + + m1 = Membership.objects.create(person=self.jim, group=self.rock) + m2 = Membership.objects.create(person=self.jane, group=self.rock) + + # Here we back up the list of all members of Rock. + backup = list(self.rock.members.all()) + # ...and we verify that it has worked. + self.assertEqual( + [p.name for p in backup], + ['Jane', 'Jim'] + ) + # The clear function should still work. + self.rock.members.clear() + # Now there will be no members of Rock. + self.assertQuerysetEqual( + self.rock.members.all(), + [] + ) + + # Assignment should not work with models specifying a through model for many of + # the same reasons as adding. + self.assertRaises(AttributeError, setattr, self.rock, "members", backup) + # Let's re-save those instances that we've cleared. + m1.save() + m2.save() + # Verifying that those instances were re-saved successfully. + self.assertQuerysetEqual( + self.rock.members.all(),[ + 'Jane', + 'Jim' + ], + attrgetter("name") + ) + + def test_reverse_descriptors(self): + # Due to complications with adding via an intermediary model, + # the add method is not provided. + self.assertRaises(AttributeError, lambda: self.bob.group_set.add(self.rock)) + # Create is also disabled as it suffers from the same problems as add. + self.assertRaises(AttributeError, lambda: self.bob.group_set.create(name="funk")) + # Remove has similar complications, and is not provided either. + self.assertRaises(AttributeError, lambda: self.jim.group_set.remove(self.rock)) + + m1 = Membership.objects.create(person=self.jim, group=self.rock) + m2 = Membership.objects.create(person=self.jim, group=self.roll) + + # Here we back up the list of all of Jim's groups. + backup = list(self.jim.group_set.all()) + self.assertEqual( + [g.name for g in backup], + ['Rock', 'Roll'] + ) + # The clear function should still work. + self.jim.group_set.clear() + # Now Jim will be in no groups. + self.assertQuerysetEqual( + self.jim.group_set.all(), + [] + ) + # Assignment should not work with models specifying a through model for many of + # the same reasons as adding. + self.assertRaises(AttributeError, setattr, self.jim, "group_set", backup) + # Let's re-save those instances that we've cleared. + + m1.save() + m2.save() + # Verifying that those instances were re-saved successfully. + self.assertQuerysetEqual( + self.jim.group_set.all(),[ + 'Rock', + 'Roll' + ], + attrgetter("name") + ) + + def test_custom_tests(self): + # Let's see if we can query through our second relationship. + self.assertQuerysetEqual( + self.rock.custom_members.all(), + [] + ) + # We can query in the opposite direction as well. + self.assertQuerysetEqual( + self.bob.custom.all(), + [] + ) + + cm1 = CustomMembership.objects.create(person=self.bob, group=self.rock) + cm2 = CustomMembership.objects.create(person=self.jim, group=self.rock) + + # If we get the number of people in Rock, it should be both Bob and Jim. + self.assertQuerysetEqual( + self.rock.custom_members.all(),[ + 'Bob', + 'Jim' + ], + attrgetter("name") + ) + # Bob should only be in one custom group. + self.assertQuerysetEqual( + self.bob.custom.all(),[ + 'Rock' + ], + attrgetter("name") + ) + # Let's make sure our new descriptors don't conflict with the FK related_name. + self.assertQuerysetEqual( + self.bob.custom_person_related_name.all(),[ + '<CustomMembership: Bob is a member of Rock>' + ] + ) + + def test_self_referential_tests(self): + # Let's first create a person who has no friends. + tony = PersonSelfRefM2M.objects.create(name="Tony") + self.assertQuerysetEqual( + tony.friends.all(), + [] + ) + + chris = PersonSelfRefM2M.objects.create(name="Chris") + f = Friendship.objects.create(first=tony, second=chris, date_friended=datetime.now()) + + # Tony should now show that Chris is his friend. + self.assertQuerysetEqual( + tony.friends.all(),[ + 'Chris' + ], + attrgetter("name") + ) + # But we haven't established that Chris is Tony's Friend. + self.assertQuerysetEqual( + chris.friends.all(), + [] + ) + f2 = Friendship.objects.create(first=chris, second=tony, date_friended=datetime.now()) + + # Having added Chris as a friend, let's make sure that his friend set reflects + # that addition. + self.assertQuerysetEqual( + chris.friends.all(),[ + 'Tony' + ], + attrgetter("name") + ) + + # Chris gets mad and wants to get rid of all of his friends. + chris.friends.clear() + # Now he should not have any more friends. + self.assertQuerysetEqual( + chris.friends.all(), + [] + ) + # Since this isn't a symmetrical relation, Tony's friend link still exists. + self.assertQuerysetEqual( + tony.friends.all(),[ + 'Chris' + ], + attrgetter("name") + ) + + def test_query_tests(self): + m1 = Membership.objects.create(person=self.jim, group=self.rock) + m2 = Membership.objects.create(person=self.jane, group=self.rock) + m3 = Membership.objects.create(person=self.bob, group=self.roll) + m4 = Membership.objects.create(person=self.jim, group=self.roll) + m5 = Membership.objects.create(person=self.jane, group=self.roll) + + m2.invite_reason = "She was just awesome." + m2.date_joined = datetime(2006, 1, 1) + m2.save() + m3.date_joined = datetime(2004, 1, 1) + m3.save() + m5.date_joined = datetime(2004, 1, 1) + m5.save() + + # We can query for the related model by using its attribute name (members, in + # this case). + self.assertQuerysetEqual( + Group.objects.filter(members__name='Bob'),[ + 'Roll' + ], + attrgetter("name") + ) + + # To query through the intermediary model, we specify its model name. + # In this case, membership. + self.assertQuerysetEqual( + Group.objects.filter(membership__invite_reason="She was just awesome."),[ + 'Rock' + ], + attrgetter("name") + ) + + # If we want to query in the reverse direction by the related model, use its + # model name (group, in this case). + self.assertQuerysetEqual( + Person.objects.filter(group__name="Rock"),[ + 'Jane', + 'Jim' + ], + attrgetter("name") + ) + + cm1 = CustomMembership.objects.create(person=self.bob, group=self.rock) + cm2 = CustomMembership.objects.create(person=self.jim, group=self.rock) + # If the m2m field has specified a related_name, using that will work. + self.assertQuerysetEqual( + Person.objects.filter(custom__name="Rock"),[ + 'Bob', + 'Jim' + ], + attrgetter("name") + ) + + # To query through the intermediary model in the reverse direction, we again + # specify its model name (membership, in this case). + self.assertQuerysetEqual( + Person.objects.filter(membership__invite_reason="She was just awesome."),[ + 'Jane' + ], + attrgetter("name") + ) + + # Let's see all of the groups that Jane joined after 1 Jan 2005: + self.assertQuerysetEqual( + Group.objects.filter(membership__date_joined__gt=datetime(2005, 1, 1), membership__person=self.jane),[ + 'Rock' + ], + attrgetter("name") + ) + + # Queries also work in the reverse direction: Now let's see all of the people + # that have joined Rock since 1 Jan 2005: + self.assertQuerysetEqual( + Person.objects.filter(membership__date_joined__gt=datetime(2005, 1, 1), membership__group=self.rock),[ + 'Jane', + 'Jim' + ], + attrgetter("name") + ) + + # Conceivably, queries through membership could return correct, but non-unique + # querysets. To demonstrate this, we query for all people who have joined a + # group after 2004: + self.assertQuerysetEqual( + Person.objects.filter(membership__date_joined__gt=datetime(2004, 1, 1)),[ + 'Jane', + 'Jim', + 'Jim' + ], + attrgetter("name") + ) + + # Jim showed up twice, because he joined two groups ('Rock', and 'Roll'): + self.assertEqual( + [(m.person.name, m.group.name) for m in Membership.objects.filter(date_joined__gt=datetime(2004, 1, 1))], + [(u'Jane', u'Rock'), (u'Jim', u'Rock'), (u'Jim', u'Roll')] + ) + # QuerySet's distinct() method can correct this problem. + self.assertQuerysetEqual( + Person.objects.filter(membership__date_joined__gt=datetime(2004, 1, 1)).distinct(),[ + 'Jane', + 'Jim' + ], + attrgetter("name") + ) |