Add tests for coriolis.cmd.worker module

coriolis/tests/cmd/test_worker.py

@@ -0,0 +1,92 @@
+# Copyright 2024 Cloudbase Solutions Srl
+# All Rights Reserved.
+
+from unittest import mock
+
+import sys
+
+from coriolis.cmd import worker
+from coriolis import constants
+from coriolis import service
+from coriolis.tests import test_base
+from coriolis import utils
+from coriolis.worker.rpc import server as rpc_server
+
+
+class WorkerTestCase(test_base.CoriolisBaseTestCase):
+    """Test suite for the Coriolis worker CMD"""
+
+    @mock.patch.object(service, 'service')
+    @mock.patch.object(rpc_server, 'WorkerServerEndpoint')
+    @mock.patch.object(service, 'MessagingService')
+    @mock.patch.object(utils, 'setup_logging')
+    @mock.patch('coriolis.cmd.worker.CONF')
+    @mock.patch.object(service, 'get_worker_count_from_args')
+    @mock.patch.object(sys, 'argv')
+    def test_main(
+        self,
+        mock_argv,
+        mock_get_worker_count_from_args,
+        mock_conf,
+        mock_setup_logging,
+        mock_MessagingService,
+        mock_WorkerServerEndpoint,
+        mock_service
+    ):
+        worker_count = mock.sentinel.worker_count
+        args = ['mock_arg_1', 'mock_arg_2']
+        mock_get_worker_count_from_args.return_value = (worker_count, args)
+
+        worker.main()
+
+        mock_get_worker_count_from_args.assert_called_once_with(mock_argv)
+        mock_conf.assert_called_once_with(
+            ['mock_arg_2'], project='coriolis', version="1.0.0")
+        mock_setup_logging.assert_called_once()
+        mock_MessagingService.assert_called_once_with(
+            constants.WORKER_MAIN_MESSAGING_TOPIC,
+            [mock_WorkerServerEndpoint.return_value],
+            rpc_server.VERSION, worker_count=worker_count, init_rpc=False)
+        mock_service.launch.assert_called_once_with(
+            mock_conf, mock_MessagingService.return_value,
+            workers=mock_MessagingService.return_value.
+            get_workers_count.return_value)
+        mock_service.launch.return_value.wait.assert_called_once()
+
+    @mock.patch.object(service, 'service')
+    @mock.patch.object(rpc_server, 'WorkerServerEndpoint')
+    @mock.patch.object(service, 'MessagingService')
+    @mock.patch.object(utils, 'setup_logging')
+    @mock.patch('coriolis.cmd.worker.CONF')
+    @mock.patch.object(service, 'get_worker_count_from_args')
+    @mock.patch.object(sys, 'argv')
+    def test_main_no_worker_count(
+        self,
+        mock_argv,
+        mock_get_worker_count_from_args,
+        mock_conf,
+        mock_setup_logging,
+        mock_MessagingService,
+        mock_WorkerServerEndpoint,
+        mock_service
+    ):
+        worker_count = None
+        args = ['mock_arg_1', 'mock_arg_2']
+        mock_get_worker_count_from_args.return_value = (worker_count, args)
+
+        worker.main()
+
+        mock_get_worker_count_from_args.assert_called_once_with(mock_argv)
+        mock_conf.assert_called_once_with(
+            ['mock_arg_2'], project='coriolis', version="1.0.0")
+        mock_setup_logging.assert_called_once()
+        mock_MessagingService.assert_called_once_with(
+            constants.WORKER_MAIN_MESSAGING_TOPIC,
+            [mock_WorkerServerEndpoint.return_value],
+            rpc_server.VERSION, worker_count=mock_conf.worker.worker_count,
+            init_rpc=False)
+        mock_service.launch.assert_called_once_with(
+            mock_conf, mock_MessagingService.return_value,
+            workers=mock_MessagingService.return_value.
+            get_workers_count.return_value)
+        mock_service.launch.return_value.wait.assert_called_once()