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Fixed #23093: soft application detection for swapped models

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This commit is contained in:
Andrew Godwin 2014-07-25 09:35:25 -07:00
parent f44dbf74a4
commit a64bc3df77
2 changed files with 25 additions and 2 deletions
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22
tests/migrations/test_executor.py
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@ -1,6 +1,7 @@
from django.db import connection
from django.db.migrations.executor import MigrationExecutor
from django.test import modify_settings, override_settings
from django.apps.registry import apps as global_apps
from .test_base import MigrationTestBase
@ -14,7 +15,7 @@ class ExecutorTests(MigrationTestBase):
test failures first, as they may be propagating into here.
"""
available_apps = ["migrations", "migrations2"]
available_apps = ["migrations", "migrations2", "django.contrib.auth", "django.contrib.contenttypes"]
@override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})
def test_run(self):
@ -193,7 +194,10 @@ class ExecutorTests(MigrationTestBase):
self.assertTableNotExists("migrations_tribble")
@override_settings(
MIGRATION_MODULES={"migrations": "migrations.test_migrations_custom_user"},
MIGRATION_MODULES={
"migrations": "migrations.test_migrations_custom_user",
"django.contrib.auth": "django.contrib.auth.migrations",
},
AUTH_USER_MODEL="migrations.Author",
)
def test_custom_user(self):
@ -208,6 +212,20 @@ class ExecutorTests(MigrationTestBase):
executor.migrate([("migrations", "0001_initial")])
self.assertTableExists("migrations_author")
self.assertTableExists("migrations_tribble")
# Make sure the soft-application detection works (#23093)
# Change get_table_list to not return auth_user during this as
# it wouldn't be there in a normal run, and ensure migrations.Author
# exists in the global app registry temporarily.
old_get_table_list = connection.introspection.get_table_list
connection.introspection.get_table_list = lambda c: [x for x in old_get_table_list(c) if x != "auth_user"]
migrations_apps = executor.loader.project_state(("migrations", "0001_initial")).render()
global_apps.get_app_config("migrations").models["author"] = migrations_apps.get_model("migrations", "author")
try:
migration = executor.loader.get_migration("auth", "0001_initial")
self.assertEqual(executor.detect_soft_applied(migration), True)
finally:
connection.introspection.get_table_list = old_get_table_list
del global_apps.get_app_config("migrations").models["author"]
# And migrate back to clean up the database
executor.loader.build_graph()
executor.migrate([("migrations", None)])