Guillaume Boutry b51b266d93 first cut
2023-10-16 17:06:56 +02:00

69 lines
3.0 KiB
Python

# Copyright 2023 Guillaume
# See LICENSE file for licensing details.
#
# Learn more about testing at: https://juju.is/docs/sdk/testing
import unittest
import ops
import ops.testing
from charm import OpenstackExporterK8SCharm
class TestCharm(unittest.TestCase):
def setUp(self):
self.harness = ops.testing.Harness(OpenstackExporterK8SCharm)
self.addCleanup(self.harness.cleanup)
self.harness.begin()
def test_httpbin_pebble_ready(self):
# 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": {"GUNICORN_CMD_ARGS": "--log-level info"},
}
},
}
# Simulate the container coming up and emission of pebble-ready event
self.harness.container_pebble_ready("httpbin")
# 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, ops.ActiveStatus())
def test_config_changed_valid_can_connect(self):
# Ensure the simulated Pebble API is reachable
self.harness.set_can_connect("httpbin", True)
# Trigger a config-changed event with an updated value
self.harness.update_config({"log-level": "debug"})
# Get the plan now we've run PebbleReady
updated_plan = self.harness.get_container_pebble_plan("httpbin").to_dict()
updated_env = updated_plan["services"]["httpbin"]["environment"]
# Check the config change was effective
self.assertEqual(updated_env, {"GUNICORN_CMD_ARGS": "--log-level debug"})
self.assertEqual(self.harness.model.unit.status, ops.ActiveStatus())
def test_config_changed_valid_cannot_connect(self):
# Trigger a config-changed event with an updated value
self.harness.update_config({"log-level": "debug"})
# Check the charm is in WaitingStatus
self.assertIsInstance(self.harness.model.unit.status, ops.WaitingStatus)
def test_config_changed_invalid(self):
# Ensure the simulated Pebble API is reachable
self.harness.set_can_connect("httpbin", True)
# Trigger a config-changed event with an updated value
self.harness.update_config({"log-level": "foobar"})
# Check the charm is in BlockedStatus
self.assertIsInstance(self.harness.model.unit.status, ops.BlockedStatus)