| 1 | from django.db import models, transaction, IntegrityError |
| 2 | |
| 3 | class ManualPrimaryKeyTest(models.Model): |
| 4 | id = models.IntegerField(primary_key=True) |
| 5 | data = models.CharField(max_length=100) |
| 6 | |
| 7 | __test__ = {'API_TESTS':""" |
| 8 | # If you force_insert specifying an existing primary key, but different |
| 9 | # other fields, then you will get an error and data will not be updated. |
| 10 | >>> m = ManualPrimaryKeyTest(id=1, data='Original') |
| 11 | >>> m.save(force_insert=True) |
| 12 | >>> try: |
| 13 | ... m = ManualPrimaryKeyTest(id=1, data='Different') |
| 14 | ... sid = transaction.savepoint() |
| 15 | ... m.save(force_insert=True) |
| 16 | ... transaction.savepoint_commit(sid) |
| 17 | ... except Exception, e: |
| 18 | ... if isinstance(e, IntegrityError): |
| 19 | ... transaction.savepoint_rollback(sid) |
| 20 | ... print "Pass" |
| 21 | ... else: |
| 22 | ... print "Fail with %s" % type(e) |
| 23 | Pass |
| 24 | >>> ManualPrimaryKeyTest.objects.get(id=1).data == 'Original' |
| 25 | True |
| 26 | """} |