notifications-admin/tests/app/main/test_create_api_key_form.py

from werkzeug.datastructures import MultiDict

from app.main.forms import CreateKeyForm


def test_return_validation_error_when_key_name_exists(app_):
    def _get_names():
        return ['some key', 'another key']

    with app_.test_request_context():
        form = CreateKeyForm(_get_names(),
                             formdata=MultiDict([('key_name', 'Some key')]))
        form.validate()
        assert {'key_name': ['A key with this name already exists']} == form.errors