installers/charm/pla/tests/test_charm.py

   1 #!/usr/bin/env python3
   2 # Copyright 2020 Canonical Ltd.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   5 # not use this file except in compliance with the License. You may obtain
   6 # a copy of the License at
   7 #
   8 #         http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  13 # License for the specific language governing permissions and limitations
  14 # under the License.
  15 #
  16 # For those usages not covered by the Apache License, Version 2.0 please
  17 # contact: legal@canonical.com
  18 #
  19 # To get in touch with the maintainers, please contact:
  20 # osm-charmers@lists.launchpad.net
  21 ##
  22
  23 from typing import NoReturn
  24 import unittest
  25
  26 from ops.testing import Harness
  27
  28 from charm import PLACharm
  29
  30
  31 class TestCharm(unittest.TestCase):
  32     """PLA Charm unit tests."""
  33
  34     def setUp(self) -> NoReturn:
  35         """Test setup"""
  36         self.harness = Harness(PLACharm)
  37         self.harness.set_leader(is_leader=True)
  38         self.harness.begin()
  39
  40     def test_on_start_without_relations(self) -> NoReturn:
  41         """Test installation without any relation."""
  42         self.harness.charm.on.config_changed.emit()
  43
  44
  45 if __name__ == "__main__":
  46     unittest.main()