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author | Florian Apolloner <florian@apolloner.eu> | 2013-02-26 09:53:47 +0100 |
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committer | Florian Apolloner <florian@apolloner.eu> | 2013-02-26 14:36:57 +0100 |
commit | 89f40e36246100df6a11316c31a76712ebc6c501 (patch) | |
tree | 6e65639683ddaf2027908d1ecb1739e0e2ff853b /tests/force_insert_update | |
parent | b3d2ccb5bfbaf6e7fe1f98843baaa48c35a70950 (diff) | |
download | django-89f40e36246100df6a11316c31a76712ebc6c501.tar.gz |
Merged regressiontests and modeltests into the test root.
Diffstat (limited to 'tests/force_insert_update')
-rw-r--r-- | tests/force_insert_update/__init__.py | 0 | ||||
-rw-r--r-- | tests/force_insert_update/models.py | 24 | ||||
-rw-r--r-- | tests/force_insert_update/tests.py | 63 |
3 files changed, 87 insertions, 0 deletions
diff --git a/tests/force_insert_update/__init__.py b/tests/force_insert_update/__init__.py new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/tests/force_insert_update/__init__.py diff --git a/tests/force_insert_update/models.py b/tests/force_insert_update/models.py new file mode 100644 index 0000000000..56d6624e0d --- /dev/null +++ b/tests/force_insert_update/models.py @@ -0,0 +1,24 @@ +""" +Tests for forcing insert and update queries (instead of Django's normal +automatic behavior). +""" +from django.db import models + + +class Counter(models.Model): + name = models.CharField(max_length = 10) + value = models.IntegerField() + +class InheritedCounter(Counter): + tag = models.CharField(max_length=10) + +class ProxyCounter(Counter): + class Meta: + proxy = True + +class SubCounter(Counter): + pass + +class WithCustomPK(models.Model): + name = models.IntegerField(primary_key=True) + value = models.IntegerField() diff --git a/tests/force_insert_update/tests.py b/tests/force_insert_update/tests.py new file mode 100644 index 0000000000..a5b2dcebb5 --- /dev/null +++ b/tests/force_insert_update/tests.py @@ -0,0 +1,63 @@ +from __future__ import absolute_import + +from django.db import transaction, IntegrityError, DatabaseError +from django.test import TestCase + +from .models import (Counter, WithCustomPK, InheritedCounter, ProxyCounter, + SubCounter) + + +class ForceTests(TestCase): + def test_force_update(self): + c = Counter.objects.create(name="one", value=1) + + # The normal case + c.value = 2 + c.save() + # Same thing, via an update + c.value = 3 + c.save(force_update=True) + + # Won't work because force_update and force_insert are mutually + # exclusive + c.value = 4 + self.assertRaises(ValueError, c.save, force_insert=True, force_update=True) + + # Try to update something that doesn't have a primary key in the first + # place. + c1 = Counter(name="two", value=2) + self.assertRaises(ValueError, c1.save, force_update=True) + c1.save(force_insert=True) + + # Won't work because we can't insert a pk of the same value. + sid = transaction.savepoint() + c.value = 5 + self.assertRaises(IntegrityError, c.save, force_insert=True) + transaction.savepoint_rollback(sid) + + # Trying to update should still fail, even with manual primary keys, if + # the data isn't in the database already. + obj = WithCustomPK(name=1, value=1) + self.assertRaises(DatabaseError, obj.save, force_update=True) + + +class InheritanceTests(TestCase): + def test_force_update_on_inherited_model(self): + a = InheritedCounter(name="count", value=1, tag="spam") + a.save() + a.save(force_update=True) + + def test_force_update_on_proxy_model(self): + a = ProxyCounter(name="count", value=1) + a.save() + a.save(force_update=True) + + def test_force_update_on_inherited_model_without_fields(self): + ''' + Issue 13864: force_update fails on subclassed models, if they don't + specify custom fields. + ''' + a = SubCounter(name="count", value=1) + a.save() + a.value = 2 + a.save(force_update=True) |