django/tests/modeltests/validation/test_unique.py

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import datetime
from django.conf import settings
from django.db import connection
from django.test import TestCase
from django.utils import unittest
from models import (CustomPKModel, UniqueTogetherModel, UniqueFieldsModel,
UniqueForDateModel, ModelToValidate)
class GetUniqueCheckTests(unittest.TestCase):
def test_unique_fields_get_collected(self):
m = UniqueFieldsModel()
self.assertEqual(
([(UniqueFieldsModel, ('id',)),
(UniqueFieldsModel, ('unique_charfield',)),
(UniqueFieldsModel, ('unique_integerfield',))],
[]),
m._get_unique_checks()
)
def test_unique_together_gets_picked_up_and_converted_to_tuple(self):
m = UniqueTogetherModel()
self.assertEqual(
([(UniqueTogetherModel, ('ifield', 'cfield',)),
(UniqueTogetherModel, ('ifield', 'efield')),
(UniqueTogetherModel, ('id',)), ],
[]),
m._get_unique_checks()
)
def test_primary_key_is_considered_unique(self):
m = CustomPKModel()
self.assertEqual(([(CustomPKModel, ('my_pk_field',))], []), m._get_unique_checks())
def test_unique_for_date_gets_picked_up(self):
m = UniqueForDateModel()
self.assertEqual((
[(UniqueForDateModel, ('id',))],
[(UniqueForDateModel, 'date', 'count', 'start_date'),
(UniqueForDateModel, 'year', 'count', 'end_date'),
(UniqueForDateModel, 'month', 'order', 'end_date')]
), m._get_unique_checks()
)
def test_unique_for_date_exclusion(self):
m = UniqueForDateModel()
self.assertEqual((
[(UniqueForDateModel, ('id',))],
[(UniqueForDateModel, 'year', 'count', 'end_date'),
(UniqueForDateModel, 'month', 'order', 'end_date')]
), m._get_unique_checks(exclude='start_date')
)
class PerformUniqueChecksTest(TestCase):
def test_primary_key_unique_check_not_performed_when_adding_and_pk_not_specified(self):
# Regression test for #12560
def test():
mtv = ModelToValidate(number=10, name='Some Name')
setattr(mtv, '_adding', True)
mtv.full_clean()
self.assertNumQueries(0, test)
def test_primary_key_unique_check_performed_when_adding_and_pk_specified(self):
# Regression test for #12560
def test():
mtv = ModelToValidate(number=10, name='Some Name', id=123)
setattr(mtv, '_adding', True)
mtv.full_clean()
self.assertNumQueries(1, test)
def test_primary_key_unique_check_not_performed_when_not_adding(self):
# Regression test for #12132
def test():
mtv = ModelToValidate(number=10, name='Some Name')
mtv.full_clean()
self.assertNumQueries(0, test)