Add unit tests for behave_utils.secret

#  Copyright 2022  Dominik Sekotill <dom.sekotill@kodo.org.uk>

#

#  This Source Code Form is subject to the terms of the Mozilla Public

#  License, v. 2.0. If a copy of the MPL was not distributed with this

#  file, You can obtain one at http://mozilla.org/MPL/2.0/.

"""

Unit tests for behave_utils.secret

"""

from behave_utils import secret

from . import TestCase

class MakeSecretTests(TestCase):

	"""

	Tests for behave_utils.secret.make_secret

	"""

	def test(self) -> None:

		"""

		Check that calling make_secret returns a correctly sized string

		"""

		for num in (20, 40):

			with self.subTest(f"{num} chars"):

				output = secret.make_secret(num)

				self.assertIsInstance(output, str)

				assert len(output) == num