Add unit testing for `context.py` module

Signed-off-by: Mihaela Balutoiu <mbalutoiu@cloudbasesolutions.com>

coriolis/tests/test_context.py

@@ -0,0 +1,101 @@
+# Copyright 2023 Cloudbase Solutions Srl
+# All Rights Reserved.
+
+from unittest import mock
+
+from coriolis import context
+from coriolis import exception
+from coriolis.tests import test_base
+from coriolis.tests import testutils
+
+
+class RequestContextTestCase(test_base.CoriolisBaseTestCase):
+    """Test suite for the Coriolis RequestContext class."""
+
+    def setUp(self):
+        super(RequestContextTestCase, self).setUp()
+        self.req_context = context.RequestContext(
+            user="user",
+            project_id='test_project_id',
+        )
+
+    @mock.patch.object(context.timeutils, 'utcnow')
+    def test__init__(self, mock_utcnow):
+        context_req = testutils.get_wrapped_function(context.RequestContext)(
+            user="user",
+            project_id='test_project_id',
+            roles=['role1', 'role2'],
+        )
+
+        mock_utcnow.assert_called_once_with()
+        self.assertEqual(context_req.timestamp, mock_utcnow.return_value)
+        self.assertEqual(context_req.roles, ['role1', 'role2'])
+
+    @mock.patch.object(context.timeutils, 'parse_isotime')
+    def test__init__with_string_timestamp(self, mock_parse_isotime):
+        new_context = testutils.get_wrapped_function(context.RequestContext)(
+            user="user",
+            project_id='test_project_id',
+            timestamp="2023-11-09T13:31:08Z",
+        )
+
+        mock_parse_isotime.assert_called_once_with("2023-11-09T13:31:08Z")
+        self.assertEqual(new_context.timestamp,
+                         mock_parse_isotime.return_value)
+        self.assertEqual(new_context.roles, [])
+
+    def test_to_dict(self):
+        result = self.req_context.to_dict()
+
+        with mock.patch.object(context, 'RequestContext') as mock_req_context:
+            mock_req_context(**result)
+            mock_req_context.assert_called_once_with(**result)
+        self.assertIsInstance(result, dict)
+
+    @mock.patch.object(context.policy, 'check_policy_for_context')
+    def test_can(self, mock_check_policy):
+        result = self.req_context.can('test_action')
+
+        mock_check_policy.assert_called_once_with(
+            self.req_context, 'test_action', {'project_id': 'test_project_id',
+                                              'user_id': 'user'})
+
+        self.assertEqual(result, mock_check_policy.return_value)
+
+    @mock.patch.object(context.policy, 'check_policy_for_context')
+    def test_can_policy_not_authorized(self, mock_check_policy):
+        mock_check_policy.side_effect = exception.PolicyNotAuthorized(
+            action='test_action')
+
+        self.assertRaises(exception.PolicyNotAuthorized,
+                          self.req_context.can, 'test_action')
+
+        mock_check_policy.assert_called_once_with(
+            self.req_context, 'test_action', {'project_id': 'test_project_id',
+                                              'user_id': 'user'})
+
+    @mock.patch.object(context.policy, 'check_policy_for_context')
+    def test_can_policy_with_custom_target(self, mock_check_policy):
+        custom_target = {'custom_key': 'custom_value'}
+        result = self.req_context.can('test_action', custom_target,
+                                      fatal=False)
+
+        expected_target = {'project_id': 'test_project_id',
+                           'user_id': 'user',
+                           'custom_key': 'custom_value'}
+
+        mock_check_policy.assert_called_once_with(
+            self.req_context, 'test_action', expected_target)
+        self.assertEqual(result, mock_check_policy.return_value)
+
+
+class GetAdminContextTestCase(test_base.CoriolisBaseTestCase):
+    """Test suite for the Coriolis get_admin_context function."""
+
+    @mock.patch.object(context, 'RequestContext')
+    def test_get_admin_context(self, mock_request_context):
+        result = context.get_admin_context()
+
+        mock_request_context.assert_called_once_with(
+            user=None, project_id=None, is_admin=True, trust_id=None)
+        self.assertEqual(result, mock_request_context.return_value)