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from django.apps.registry import apps
from django.conf import settings
from django.contrib.contenttypes import management as contenttypes_management
from django.contrib.contenttypes.models import ContentType
from django.core.management import call_command
from django.db import migrations, models
from django.test import TransactionTestCase, override_settings
@override_settings(
MIGRATION_MODULES=dict(
settings.MIGRATION_MODULES,
contenttypes_tests="contenttypes_tests.operations_migrations",
),
)
class ContentTypeOperationsTests(TransactionTestCase):
databases = {"default", "other"}
available_apps = [
"contenttypes_tests",
"django.contrib.contenttypes",
]
class TestRouter:
def db_for_write(self, model, **hints):
return "default"
def setUp(self):
app_config = apps.get_app_config("contenttypes_tests")
models.signals.post_migrate.connect(
self.assertOperationsInjected, sender=app_config
)
self.addCleanup(
models.signals.post_migrate.disconnect,
self.assertOperationsInjected,
sender=app_config,
)
def assertOperationsInjected(self, plan, **kwargs):
for migration, _backward in plan:
operations = iter(migration.operations)
for operation in operations:
if isinstance(operation, migrations.RenameModel):
next_operation = next(operations)
self.assertIsInstance(
next_operation, contenttypes_management.RenameContentType
)
self.assertEqual(next_operation.app_label, migration.app_label)
self.assertEqual(next_operation.old_model, operation.old_name_lower)
self.assertEqual(next_operation.new_model, operation.new_name_lower)
def test_existing_content_type_rename(self):
ContentType.objects.create(app_label="contenttypes_tests", model="foo")
call_command(
"migrate",
"contenttypes_tests",
database="default",
interactive=False,
verbosity=0,
)
self.assertFalse(
ContentType.objects.filter(
app_label="contenttypes_tests", model="foo"
).exists()
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="renamedfoo"
).exists()
)
call_command(
"migrate",
"contenttypes_tests",
"zero",
database="default",
interactive=False,
verbosity=0,
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="foo"
).exists()
)
self.assertFalse(
ContentType.objects.filter(
app_label="contenttypes_tests", model="renamedfoo"
).exists()
)
@override_settings(DATABASE_ROUTERS=[TestRouter()])
def test_existing_content_type_rename_other_database(self):
ContentType.objects.using("other").create(
app_label="contenttypes_tests", model="foo"
)
other_content_types = ContentType.objects.using("other").filter(
app_label="contenttypes_tests"
)
call_command(
"migrate",
"contenttypes_tests",
database="other",
interactive=False,
verbosity=0,
)
self.assertFalse(other_content_types.filter(model="foo").exists())
self.assertTrue(other_content_types.filter(model="renamedfoo").exists())
call_command(
"migrate",
"contenttypes_tests",
"zero",
database="other",
interactive=False,
verbosity=0,
)
self.assertTrue(other_content_types.filter(model="foo").exists())
self.assertFalse(other_content_types.filter(model="renamedfoo").exists())
def test_missing_content_type_rename_ignore(self):
call_command(
"migrate",
"contenttypes_tests",
database="default",
interactive=False,
verbosity=0,
)
self.assertFalse(
ContentType.objects.filter(
app_label="contenttypes_tests", model="foo"
).exists()
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="renamedfoo"
).exists()
)
call_command(
"migrate",
"contenttypes_tests",
"zero",
database="default",
interactive=False,
verbosity=0,
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="foo"
).exists()
)
self.assertFalse(
ContentType.objects.filter(
app_label="contenttypes_tests", model="renamedfoo"
).exists()
)
def test_content_type_rename_conflict(self):
ContentType.objects.create(app_label="contenttypes_tests", model="foo")
ContentType.objects.create(app_label="contenttypes_tests", model="renamedfoo")
call_command(
"migrate",
"contenttypes_tests",
database="default",
interactive=False,
verbosity=0,
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="foo"
).exists()
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="renamedfoo"
).exists()
)
call_command(
"migrate",
"contenttypes_tests",
"zero",
database="default",
interactive=False,
verbosity=0,
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="foo"
).exists()
)
self.assertTrue(
ContentType.objects.filter(
app_label="contenttypes_tests", model="renamedfoo"
).exists()
)
|
