2021-09-24 09:31:09 +01:00

67 lines
2.6 KiB
Python

# Copyright 2021 James Page
# See LICENSE file for licensing details.
#
# Learn more about testing at: https://juju.is/docs/sdk/testing
import unittest
from unittest.mock import Mock
from charm import CharmCinderOperatorCharm
from ops.model import ActiveStatus
from ops.testing import Harness
class TestCharm(unittest.TestCase):
def setUp(self):
self.harness = Harness(CharmCinderOperatorCharm)
self.addCleanup(self.harness.cleanup)
self.harness.begin()
def test_config_changed(self):
self.assertEqual(list(self.harness.charm._stored.things), [])
self.harness.update_config({"thing": "foo"})
self.assertEqual(list(self.harness.charm._stored.things), ["foo"])
def test_action(self):
# the harness doesn't (yet!) help much with actions themselves
action_event = Mock(params={"fail": ""})
self.harness.charm._on_fortune_action(action_event)
self.assertTrue(action_event.set_results.called)
def test_action_fail(self):
action_event = Mock(params={"fail": "fail this"})
self.harness.charm._on_fortune_action(action_event)
self.assertEqual(action_event.fail.call_args, [("fail this",)])
def test_httpbin_pebble_ready(self):
# Check the initial Pebble plan is empty
initial_plan = self.harness.get_container_pebble_plan("httpbin")
self.assertEqual(initial_plan.to_yaml(), "{}\n")
# Expected plan after Pebble ready with default config
expected_plan = {
"services": {
"httpbin": {
"override": "replace",
"summary": "httpbin",
"command": "gunicorn -b 0.0.0.0:80 httpbin:app -k gevent",
"startup": "enabled",
"environment": {"thing": "🎁"},
}
},
}
# Get the httpbin container from the model
container = self.harness.model.unit.get_container("httpbin")
# Emit the PebbleReadyEvent carrying the httpbin container
self.harness.charm.on.httpbin_pebble_ready.emit(container)
# Get the plan now we've run PebbleReady
updated_plan = self.harness.get_container_pebble_plan("httpbin").to_dict()
# Check we've got the plan we expected
self.assertEqual(expected_plan, updated_plan)
# Check the service was started
service = self.harness.model.unit.get_container("httpbin").get_service("httpbin")
self.assertTrue(service.is_running())
# Ensure we set an ActiveStatus with no message
self.assertEqual(self.harness.model.unit.status, ActiveStatus())