Removed tests that have served their purpose and are causing problems

Author: bjester

tests/testapp/tests/helpers.py

@@ -7,9 +7,6 @@
 import factory
 import mock
 from django.core.serializers.json import DjangoJSONEncoder
-from django.db import connection
-from django.db.migrations.executor import MigrationExecutor
-from django.db.migrations.recorder import MigrationRecorder
 from django.test.testcases import LiveServerTestCase
 from django.utils import timezone
 from facility_profile.models import Facility
@@ -442,64 +439,3 @@ def stage_status(self):
     def update_state(self, stage=None, stage_status=None):
         self._stage = stage or self._stage
         self._stage_status = stage_status or self._stage_status
-
-
-class TestMigrationsMixin(object):
-    # Modified from https://www.caktusgroup.com/blog/2016/02/02/writing-unit-tests-django-migrations/
-    # Note that this has been updated to handle running migration tests for previously squashed migrations.
-    # It is possible this will no longer work for testing migrations that are part of or
-    # subsequent to a squashed migration.
-
-    migrate_from = None
-    migrate_to = None
-    app = None
-
-    @classmethod
-    def setUpClass(cls):
-        super(TestMigrationsMixin, cls).setUpClass()
-
-        # get the latest migration before starting
-        latest_migration = MigrationRecorder.Migration.objects.filter(app=cls.app).last()
-        cls.latest_migration = (cls.app, latest_migration.name)
-
-    def setUp(self):
-        assert (
-            self.migrate_from and self.migrate_to
-        ), "TestCase '{}' must define migrate_from and migrate_to properties".format(
-            type(self).__name__
-        )
-
-        migrate_from = [(self.app, self.migrate_from)]
-        migrate_to = [(self.app, self.migrate_to)]
-        executor = MigrationExecutor(connection)
-        executor.migrate([(self.app, None)])
-        executor.loader.replace_migrations = False
-        executor.loader.build_graph()  # reload.
-
-        old_apps = executor.loader.project_state(migrate_from).apps
-
-        # Reverse to the original migration
-        executor.migrate(migrate_from)
-
-        self.setUpBeforeMigration(old_apps)
-
-        # Run the migration to test
-        executor = MigrationExecutor(connection)
-        executor.loader.build_graph()  # reload.
-        executor.migrate(migrate_to)
-
-        self.apps = executor.loader.project_state(migrate_to).apps
-
-    def setUpBeforeMigration(self, apps):
-        pass
-
-    @classmethod
-    def tearDownClass(cls):
-        # revert migration back to latest migration
-        executor = MigrationExecutor(connection)
-        executor.migrate([(cls.app, None)])
-        executor.loader.replace_migrations = True
-        executor.loader.build_graph()
-        executor.migrate([cls.latest_migration])
-
-        super(TestMigrationsMixin, cls).tearDownClass()