179 lines
7.0 KiB
Python
179 lines
7.0 KiB
Python
from __future__ import unicode_literals
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import datetime
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import unittest
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.db.models.loading import BaseAppCache
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from django.test import TestCase
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from .models import (CustomPKModel, UniqueTogetherModel, UniqueFieldsModel,
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UniqueForDateModel, ModelToValidate, Post, FlexibleDatePost,
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UniqueErrorsModel)
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class GetUniqueCheckTests(unittest.TestCase):
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def test_unique_fields_get_collected(self):
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m = UniqueFieldsModel()
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self.assertEqual(
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([(UniqueFieldsModel, ('id',)),
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(UniqueFieldsModel, ('unique_charfield',)),
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(UniqueFieldsModel, ('unique_integerfield',))],
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[]),
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m._get_unique_checks()
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)
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def test_unique_together_gets_picked_up_and_converted_to_tuple(self):
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m = UniqueTogetherModel()
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self.assertEqual(
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([(UniqueTogetherModel, ('ifield', 'cfield')),
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(UniqueTogetherModel, ('ifield', 'efield')),
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(UniqueTogetherModel, ('id',)), ],
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[]),
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m._get_unique_checks()
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)
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def test_unique_together_normalization(self):
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"""
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Test the Meta.unique_together normalization with different sorts of
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objects.
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"""
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data = {
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'2-tuple': (('foo', 'bar'),
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(('foo', 'bar'),)),
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'list': (['foo', 'bar'],
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(('foo', 'bar'),)),
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'already normalized': ((('foo', 'bar'), ('bar', 'baz')),
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(('foo', 'bar'), ('bar', 'baz'))),
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'set': ({('foo', 'bar'), ('bar', 'baz')}, # Ref #21469
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(('foo', 'bar'), ('bar', 'baz'))),
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}
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for test_name, (unique_together, normalized) in data.items():
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class M(models.Model):
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foo = models.IntegerField()
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bar = models.IntegerField()
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baz = models.IntegerField()
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Meta = type(str('Meta'), (), {
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'unique_together': unique_together,
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'app_cache': BaseAppCache()
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})
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checks, _ = M()._get_unique_checks()
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for t in normalized:
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check = (M, t)
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self.assertIn(check, checks)
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def test_primary_key_is_considered_unique(self):
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m = CustomPKModel()
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self.assertEqual(([(CustomPKModel, ('my_pk_field',))], []), m._get_unique_checks())
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def test_unique_for_date_gets_picked_up(self):
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m = UniqueForDateModel()
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self.assertEqual((
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[(UniqueForDateModel, ('id',))],
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[(UniqueForDateModel, 'date', 'count', 'start_date'),
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(UniqueForDateModel, 'year', 'count', 'end_date'),
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(UniqueForDateModel, 'month', 'order', 'end_date')]
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), m._get_unique_checks()
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)
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def test_unique_for_date_exclusion(self):
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m = UniqueForDateModel()
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self.assertEqual((
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[(UniqueForDateModel, ('id',))],
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[(UniqueForDateModel, 'year', 'count', 'end_date'),
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(UniqueForDateModel, 'month', 'order', 'end_date')]
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), m._get_unique_checks(exclude='start_date')
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)
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class PerformUniqueChecksTest(TestCase):
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def test_primary_key_unique_check_not_performed_when_adding_and_pk_not_specified(self):
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# Regression test for #12560
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with self.assertNumQueries(0):
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mtv = ModelToValidate(number=10, name='Some Name')
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setattr(mtv, '_adding', True)
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mtv.full_clean()
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def test_primary_key_unique_check_performed_when_adding_and_pk_specified(self):
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# Regression test for #12560
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with self.assertNumQueries(1):
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mtv = ModelToValidate(number=10, name='Some Name', id=123)
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setattr(mtv, '_adding', True)
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mtv.full_clean()
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def test_primary_key_unique_check_not_performed_when_not_adding(self):
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# Regression test for #12132
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with self.assertNumQueries(0):
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mtv = ModelToValidate(number=10, name='Some Name')
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mtv.full_clean()
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def test_unique_for_date(self):
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Post.objects.create(title="Django 1.0 is released",
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slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
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p = Post(title="Django 1.0 is released", posted=datetime.date(2008, 9, 3))
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with self.assertRaises(ValidationError) as cm:
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p.full_clean()
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self.assertEqual(cm.exception.message_dict, {'title': ['Title must be unique for Posted date.']})
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# Should work without errors
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p = Post(title="Work on Django 1.1 begins", posted=datetime.date(2008, 9, 3))
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p.full_clean()
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# Should work without errors
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p = Post(title="Django 1.0 is released", posted=datetime.datetime(2008, 9, 4))
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p.full_clean()
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p = Post(slug="Django 1.0", posted=datetime.datetime(2008, 1, 1))
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with self.assertRaises(ValidationError) as cm:
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p.full_clean()
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self.assertEqual(cm.exception.message_dict, {'slug': ['Slug must be unique for Posted year.']})
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p = Post(subtitle="Finally", posted=datetime.datetime(2008, 9, 30))
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with self.assertRaises(ValidationError) as cm:
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p.full_clean()
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self.assertEqual(cm.exception.message_dict, {'subtitle': ['Subtitle must be unique for Posted month.']})
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p = Post(title="Django 1.0 is released")
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with self.assertRaises(ValidationError) as cm:
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p.full_clean()
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self.assertEqual(cm.exception.message_dict, {'posted': ['This field cannot be null.']})
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def test_unique_for_date_with_nullable_date(self):
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FlexibleDatePost.objects.create(title="Django 1.0 is released",
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slug="Django 1.0", subtitle="Finally", posted=datetime.date(2008, 9, 3))
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p = FlexibleDatePost(title="Django 1.0 is released")
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try:
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p.full_clean()
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except ValidationError:
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self.fail("unique_for_date checks shouldn't trigger when the associated DateField is None.")
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p = FlexibleDatePost(slug="Django 1.0")
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try:
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p.full_clean()
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except ValidationError:
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self.fail("unique_for_year checks shouldn't trigger when the associated DateField is None.")
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p = FlexibleDatePost(subtitle="Finally")
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try:
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p.full_clean()
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except ValidationError:
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self.fail("unique_for_month checks shouldn't trigger when the associated DateField is None.")
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def test_unique_errors(self):
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UniqueErrorsModel.objects.create(name='Some Name', no=10)
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m = UniqueErrorsModel(name='Some Name', no=11)
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with self.assertRaises(ValidationError) as cm:
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m.full_clean()
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self.assertEqual(cm.exception.message_dict, {'name': ['Custom unique name message.']})
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m = UniqueErrorsModel(name='Some Other Name', no=10)
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with self.assertRaises(ValidationError) as cm:
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m.full_clean()
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self.assertEqual(cm.exception.message_dict, {'no': ['Custom unique number message.']})
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