mirror of https://github.com/django/django.git
119 lines
4.7 KiB
Python
119 lines
4.7 KiB
Python
from django.core.exceptions import ValidationError
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from django.test import TestCase, skipUnlessDBFeature
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from .models import (
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ChildProduct,
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ChildUniqueConstraintProduct,
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Product,
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UniqueConstraintConditionProduct,
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UniqueConstraintNullsDistinctProduct,
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UniqueConstraintProduct,
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)
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class PerformConstraintChecksTest(TestCase):
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@skipUnlessDBFeature("supports_table_check_constraints")
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def test_full_clean_with_check_constraints(self):
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product = Product(price=10, discounted_price=15)
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with self.assertRaises(ValidationError) as cm:
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product.full_clean()
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self.assertEqual(
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cm.exception.message_dict,
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{
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"__all__": [
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"Constraint “price_gt_discounted_price_validation” is violated."
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]
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},
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)
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@skipUnlessDBFeature("supports_table_check_constraints")
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def test_full_clean_with_check_constraints_on_child_model(self):
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product = ChildProduct(price=10, discounted_price=15)
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with self.assertRaises(ValidationError) as cm:
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product.full_clean()
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self.assertEqual(
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cm.exception.message_dict,
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{
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"__all__": [
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"Constraint “price_gt_discounted_price_validation” is violated."
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]
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},
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)
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@skipUnlessDBFeature("supports_table_check_constraints")
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def test_full_clean_with_check_constraints_disabled(self):
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product = Product(price=10, discounted_price=15)
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product.full_clean(validate_constraints=False)
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def test_full_clean_with_unique_constraints(self):
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UniqueConstraintProduct.objects.create(name="product", color="yellow", rank=1)
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tests = [
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UniqueConstraintProduct(name="product", color="yellow", rank=1),
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# Child model.
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ChildUniqueConstraintProduct(name="product", color="yellow", rank=1),
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]
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for product in tests:
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with self.subTest(model=product.__class__.__name__):
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with self.assertRaises(ValidationError) as cm:
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product.full_clean()
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self.assertEqual(
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cm.exception.message_dict,
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{
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"__all__": [
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"Unique constraint product with this Name and Color "
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"already exists."
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],
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"rank": [
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"Unique constraint product with this Rank already exists."
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],
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},
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)
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def test_full_clean_with_unique_constraints_disabled(self):
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UniqueConstraintProduct.objects.create(name="product", color="yellow", rank=1)
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product = UniqueConstraintProduct(name="product", color="yellow", rank=1)
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product.full_clean(validate_constraints=False)
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@skipUnlessDBFeature("supports_partial_indexes")
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def test_full_clean_with_partial_unique_constraints(self):
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UniqueConstraintConditionProduct.objects.create(name="product")
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product = UniqueConstraintConditionProduct(name="product")
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with self.assertRaises(ValidationError) as cm:
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product.full_clean()
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self.assertEqual(
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cm.exception.message_dict,
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{
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"__all__": [
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"Constraint “name_without_color_uniq_validation” is violated."
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]
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},
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)
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@skipUnlessDBFeature("supports_partial_indexes")
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def test_full_clean_with_partial_unique_constraints_disabled(self):
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UniqueConstraintConditionProduct.objects.create(name="product")
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product = UniqueConstraintConditionProduct(name="product")
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product.full_clean(validate_constraints=False)
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@skipUnlessDBFeature("supports_nulls_distinct_unique_constraints")
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def test_full_clean_with_nulls_distinct_unique_constraints(self):
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UniqueConstraintNullsDistinctProduct.objects.create(name=None)
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product = UniqueConstraintNullsDistinctProduct(name=None)
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with self.assertRaises(ValidationError) as cm:
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product.full_clean()
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self.assertEqual(
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cm.exception.message_dict,
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{
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"name": [
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"Unique constraint nulls distinct product with this Name "
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"already exists."
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]
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},
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)
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@skipUnlessDBFeature("supports_nulls_distinct_unique_constraints")
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def test_full_clean_with_nulls_distinct_unique_constraints_disabled(self):
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UniqueConstraintNullsDistinctProduct.objects.create(name=None)
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product = UniqueConstraintNullsDistinctProduct(name=None)
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product.full_clean(validate_constraints=False)
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