diff options
| -rw-r--r-- | tests/schema/tests.py | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/tests/schema/tests.py b/tests/schema/tests.py index fc2c56887f..6cfc30a415 100644 --- a/tests/schema/tests.py +++ b/tests/schema/tests.py @@ -8,14 +8,14 @@ from django.db import ( ) from django.db.models import Model from django.db.models.fields import ( - BinaryField, BooleanField, CharField, DateTimeField, IntegerField, - PositiveIntegerField, SlugField, TextField, + BigIntegerField, BinaryField, BooleanField, CharField, DateTimeField, + IntegerField, PositiveIntegerField, SlugField, TextField, ) from django.db.models.fields.related import ( ForeignKey, ManyToManyField, OneToOneField, ) from django.db.transaction import atomic -from django.test import TransactionTestCase +from django.test import TransactionTestCase, skipIfDBFeature from .fields import CustomManyToManyField, InheritedManyToManyField from .models import ( @@ -426,7 +426,8 @@ class SchemaTests(TransactionTestCase): with connection.schema_editor() as editor: editor.alter_field(Note, old_field, new_field, strict=True) - def test_alter_field_keep_null_status(self): + @skipIfDBFeature('interprets_empty_strings_as_nulls') + def test_alter_textual_field_keep_null_status(self): """ Changing a field type shouldn't affect the not null status. """ @@ -442,6 +443,22 @@ class SchemaTests(TransactionTestCase): with self.assertRaises(IntegrityError): Note.objects.create(info=None) + def test_alter_numeric_field_keep_null_status(self): + """ + Changing a field type shouldn't affect the not null status. + """ + with connection.schema_editor() as editor: + editor.create_model(UniqueTest) + with self.assertRaises(IntegrityError): + UniqueTest.objects.create(year=None, slug='aaa') + old_field = UniqueTest._meta.get_field("year") + new_field = BigIntegerField() + new_field.set_attributes_from_name("year") + with connection.schema_editor() as editor: + editor.alter_field(UniqueTest, old_field, new_field, strict=True) + with self.assertRaises(IntegrityError): + UniqueTest.objects.create(year=None, slug='bbb') + def test_alter_null_to_not_null(self): """ #23609 - Tests handling of default values when altering from NULL to NOT NULL. |