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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/defer/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/defer/tests.py')
-rw-r--r-- | parts/django/tests/modeltests/defer/tests.py | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/parts/django/tests/modeltests/defer/tests.py b/parts/django/tests/modeltests/defer/tests.py new file mode 100644 index 0000000..5f6c53d --- /dev/null +++ b/parts/django/tests/modeltests/defer/tests.py @@ -0,0 +1,137 @@ +from django.db.models.query_utils import DeferredAttribute +from django.test import TestCase + +from models import Secondary, Primary, Child, BigChild + + +class DeferTests(TestCase): + def assert_delayed(self, obj, num): + count = 0 + for field in obj._meta.fields: + if isinstance(obj.__class__.__dict__.get(field.attname), + DeferredAttribute): + count += 1 + self.assertEqual(count, num) + + def test_defer(self): + # To all outward appearances, instances with deferred fields look the + # same as normal instances when we examine attribute values. Therefore + # we test for the number of deferred fields on returned instances (by + # poking at the internals), as a way to observe what is going on. + + s1 = Secondary.objects.create(first="x1", second="y1") + p1 = Primary.objects.create(name="p1", value="xx", related=s1) + + qs = Primary.objects.all() + + self.assert_delayed(qs.defer("name")[0], 1) + self.assert_delayed(qs.only("name")[0], 2) + self.assert_delayed(qs.defer("related__first")[0], 0) + + obj = qs.select_related().only("related__first")[0] + self.assert_delayed(obj, 2) + + self.assertEqual(obj.related_id, s1.pk) + + self.assert_delayed(qs.defer("name").extra(select={"a": 1})[0], 1) + self.assert_delayed(qs.extra(select={"a": 1}).defer("name")[0], 1) + self.assert_delayed(qs.defer("name").defer("value")[0], 2) + self.assert_delayed(qs.only("name").only("value")[0], 2) + self.assert_delayed(qs.only("name").defer("value")[0], 2) + self.assert_delayed(qs.only("name", "value").defer("value")[0], 2) + self.assert_delayed(qs.defer("name").only("value")[0], 2) + + obj = qs.only()[0] + self.assert_delayed(qs.defer(None)[0], 0) + self.assert_delayed(qs.only("name").defer(None)[0], 0) + + # User values() won't defer anything (you get the full list of + # dictionaries back), but it still works. + self.assertEqual(qs.defer("name").values()[0], { + "id": p1.id, + "name": "p1", + "value": "xx", + "related_id": s1.id, + }) + self.assertEqual(qs.only("name").values()[0], { + "id": p1.id, + "name": "p1", + "value": "xx", + "related_id": s1.id, + }) + + # Using defer() and only() with get() is also valid. + self.assert_delayed(qs.defer("name").get(pk=p1.pk), 1) + self.assert_delayed(qs.only("name").get(pk=p1.pk), 2) + + # DOES THIS WORK? + self.assert_delayed(qs.only("name").select_related("related")[0], 1) + self.assert_delayed(qs.defer("related").select_related("related")[0], 0) + + # Saving models with deferred fields is possible (but inefficient, + # since every field has to be retrieved first). + obj = Primary.objects.defer("value").get(name="p1") + obj.name = "a new name" + obj.save() + self.assertQuerysetEqual( + Primary.objects.all(), [ + "a new name", + ], + lambda p: p.name + ) + + # Regression for #10572 - A subclass with no extra fields can defer + # fields from the base class + Child.objects.create(name="c1", value="foo", related=s1) + # You can defer a field on a baseclass when the subclass has no fields + obj = Child.objects.defer("value").get(name="c1") + self.assert_delayed(obj, 1) + self.assertEqual(obj.name, "c1") + self.assertEqual(obj.value, "foo") + obj.name = "c2" + obj.save() + + # You can retrive a single column on a base class with no fields + obj = Child.objects.only("name").get(name="c2") + self.assert_delayed(obj, 3) + self.assertEqual(obj.name, "c2") + self.assertEqual(obj.value, "foo") + obj.name = "cc" + obj.save() + + BigChild.objects.create(name="b1", value="foo", related=s1, other="bar") + # You can defer a field on a baseclass + obj = BigChild.objects.defer("value").get(name="b1") + self.assert_delayed(obj, 1) + self.assertEqual(obj.name, "b1") + self.assertEqual(obj.value, "foo") + self.assertEqual(obj.other, "bar") + obj.name = "b2" + obj.save() + + # You can defer a field on a subclass + obj = BigChild.objects.defer("other").get(name="b2") + self.assert_delayed(obj, 1) + self.assertEqual(obj.name, "b2") + self.assertEqual(obj.value, "foo") + self.assertEqual(obj.other, "bar") + obj.name = "b3" + obj.save() + + # You can retrieve a single field on a baseclass + obj = BigChild.objects.only("name").get(name="b3") + self.assert_delayed(obj, 4) + self.assertEqual(obj.name, "b3") + self.assertEqual(obj.value, "foo") + self.assertEqual(obj.other, "bar") + obj.name = "b4" + obj.save() + + # You can retrieve a single field on a baseclass + obj = BigChild.objects.only("other").get(name="b4") + self.assert_delayed(obj, 4) + self.assertEqual(obj.name, "b4") + self.assertEqual(obj.value, "foo") + self.assertEqual(obj.other, "bar") + obj.name = "bb" + obj.save() |