At Robinhood, we've been using a custom in-house MigrationTestCase for
testing migrations that we'd like to contribute, but want to check the API
of it before contributing it. Here's the definition of the class:
class MigrationTestCase(TransactionTestCase):
"""
app_label: name of app (ie. "users" or "polls")
(start|dest)_migration_name: name of migration in app
(e.g. "0001_initial")
additional_dependencies: list of tuples of `(app_label,
migration_name)`.
Add any additional migrations here that need to be included in the
generation of the model states.
Usage:
class TestCase(MigrationTestCase):
app_label = ...
start_migration_name = ...
dest_migration_name = ...
additional_dependencies = ...
def setUp(self):
# Create models with regular orm
super(TestCase, self).setUp()
# Create models with start orm. Access model with:
# self.start_models["<app_label>"]["<model_name>"]
# Note that model_name must be all lower case, you can just do:
# <instance>._meta.model_name to get the model_name
def test(self):
# Still using start orm
self.migrate_to_dest()
# Now, you can access dest models with:
# self.dest_models["<app_label>"]["<model_name>"]
"""
app_label = None
start_migration_name = None
dest_migration_name = None
additional_dependencies = []
Let me know if this API is agreeable and I can make a PR for this feature.
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