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Migrated the force_insert_update tests. Thanks to Alex Gaynor.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@13782 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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from django.db import transaction, IntegrityError, DatabaseError | ||
from django.test import TestCase | ||
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from models import Counter, WithCustomPK | ||
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class ForceTests(TestCase): | ||
def test_force_update(self): | ||
c = Counter.objects.create(name="one", value=1) | ||
# The normal case | ||
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c.value = 2 | ||
c.save() | ||
# Same thing, via an update | ||
c.value = 3 | ||
c.save(force_update=True) | ||
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# 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) | ||
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# 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) | ||
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# 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) | ||
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# 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) |