Feature 10929: LCM saga, Milestone 1.
[osm/LCM.git] / osm_lcm / tests / test_ns.py
index ef87a4c..1082648 100644 (file)
 
 import asynctest  # pip3 install asynctest --user
 import asyncio
+from copy import deepcopy
 import yaml
 import copy
 from os import getenv
 from osm_lcm import ns
 from osm_common.msgkafka import MsgKafka
+
+from osm_lcm.data_utils.lcm_config import LcmCfg
 from osm_lcm.lcm_utils import TaskRegistry
 from osm_lcm.ng_ro import NgRoClient
 from osm_lcm.data_utils.database.database import Database
 from osm_lcm.data_utils.filesystem.filesystem import Filesystem
+from osm_lcm.data_utils.vnfd import find_software_version
+from osm_lcm.lcm_utils import check_juju_bundle_existence, get_charm_artifact_path
+from osm_lcm.lcm_utils import LcmException
 from uuid import uuid4
+from unittest.mock import Mock, patch
 
 from osm_lcm.tests import test_db_descriptors as descriptors
 
@@ -49,7 +56,7 @@ It allows, if some testing ENV are supplied, testing without mocking some extern
     OSMLCM_RO_XXX: configuration of RO
 """
 
-lcm_config = {
+lcm_config_dict = {
     "global": {"loglevel": "DEBUG"},
     "timeout": {},
     "VCA": {  # TODO replace with os.get_env to get other configurations
@@ -61,7 +68,7 @@ lcm_config = {
         "ca_cert": getenv("OSMLCM_VCA_CACERT", None),
         "apiproxy": getenv("OSMLCM_VCA_APIPROXY", "192.168.1.1"),
     },
-    "ro_config": {
+    "RO": {
         "uri": "http://{}:{}/openmano".format(
             getenv("OSMLCM_RO_HOST", "ro"), getenv("OSMLCM_RO_PORT", "9090")
         ),
@@ -72,6 +79,23 @@ lcm_config = {
     },
 }
 
+lcm_config = LcmCfg()
+lcm_config.set_from_dict(lcm_config_dict)
+lcm_config.transform()
+
+nsr_id = descriptors.test_ids["TEST-A"]["ns"]
+nslcmop_id = descriptors.test_ids["TEST-A"]["update"]
+vnfr_id = "6421c7c9-d865-4fb4-9a13-d4275d243e01"
+vnfd_id = "7637bcf8-cf14-42dc-ad70-c66fcf1e6e77"
+update_fs = Mock(autospec=True)
+update_fs.path.__add__ = Mock()
+update_fs.path.side_effect = ["/", "/", "/", "/"]
+update_fs.sync.side_effect = [None, None]
+
+
+def callable(a):
+    return a
+
 
 class TestMyNS(asynctest.TestCase):
     async def _n2vc_DeployCharms(
@@ -83,7 +107,7 @@ class TestMyNS(asynctest.TestCase):
         params={},
         machine_spec={},
         callback=None,
-        *callback_args
+        *callback_args,
     ):
         if callback:
             for status, message in (
@@ -116,14 +140,17 @@ class TestMyNS(asynctest.TestCase):
     def _ro_status(self, *args, **kwargs):
         print("Args > {}".format(args))
         print("kwargs > {}".format(kwargs))
+        if args:
+            if "update" in args:
+                ro_ns_desc = yaml.safe_load(descriptors.ro_update_action_text)
+                while True:
+                    yield ro_ns_desc
         if kwargs.get("delete"):
-            ro_ns_desc = yaml.load(
-                descriptors.ro_delete_action_text, Loader=yaml.Loader
-            )
+            ro_ns_desc = yaml.safe_load(descriptors.ro_delete_action_text)
             while True:
                 yield ro_ns_desc
 
-        ro_ns_desc = yaml.load(descriptors.ro_ns_text, Loader=yaml.Loader)
+        ro_ns_desc = yaml.safe_load(descriptors.ro_ns_text)
 
         # if ip address provided, replace descriptor
         ip_addresses = getenv("OSMLCMTEST_NS_IPADDRESS", "")
@@ -165,32 +192,26 @@ class TestMyNS(asynctest.TestCase):
             Database.instance = None
 
             self.db = Database({"database": {"driver": "memory"}}).instance.db
+            self.db.create_list("vnfds", yaml.safe_load(descriptors.db_vnfds_text))
             self.db.create_list(
-                "vnfds", yaml.load(descriptors.db_vnfds_text, Loader=yaml.Loader)
-            )
-            self.db.create_list(
-                "nsds", yaml.load(descriptors.db_nsds_text, Loader=yaml.Loader)
-            )
-            self.db.create_list(
-                "nsrs", yaml.load(descriptors.db_nsrs_text, Loader=yaml.Loader)
+                "vnfds_revisions",
+                yaml.safe_load(descriptors.db_vnfds_revisions_text),
             )
+            self.db.create_list("nsds", yaml.safe_load(descriptors.db_nsds_text))
+            self.db.create_list("nsrs", yaml.safe_load(descriptors.db_nsrs_text))
             self.db.create_list(
                 "vim_accounts",
-                yaml.load(descriptors.db_vim_accounts_text, Loader=yaml.Loader),
+                yaml.safe_load(descriptors.db_vim_accounts_text),
             )
             self.db.create_list(
                 "k8sclusters",
-                yaml.load(descriptors.db_k8sclusters_text, Loader=yaml.Loader),
-            )
-            self.db.create_list(
-                "nslcmops", yaml.load(descriptors.db_nslcmops_text, Loader=yaml.Loader)
+                yaml.safe_load(descriptors.db_k8sclusters_text),
             )
             self.db.create_list(
-                "vnfrs", yaml.load(descriptors.db_vnfrs_text, Loader=yaml.Loader)
-            )
-            self.db_vim_accounts = yaml.load(
-                descriptors.db_vim_accounts_text, Loader=yaml.Loader
+                "nslcmops", yaml.safe_load(descriptors.db_nslcmops_text)
             )
+            self.db.create_list("vnfrs", yaml.safe_load(descriptors.db_vnfrs_text))
+            self.db_vim_accounts = yaml.safe_load(descriptors.db_vim_accounts_text)
 
         # Mock kafka
         self.msg = asynctest.Mock(MsgKafka())
@@ -281,7 +302,7 @@ class TestMyNS(asynctest.TestCase):
         # Mock RO
         if not getenv("OSMLCMTEST_RO_NOMOCK"):
             self.my_ns.RO = asynctest.Mock(
-                NgRoClient(self.loop, **lcm_config["ro_config"])
+                NgRoClient(self.loop, **lcm_config.RO.to_dict())
             )
             # TODO first time should be empty list, following should return a dict
             # self.my_ns.RO.get_list = asynctest.CoroutineMock(self.my_ns.RO.get_list, return_value=[])
@@ -375,6 +396,38 @@ class TestMyNS(asynctest.TestCase):
     #     await self.test_instantiate()
     #     # this will check that the initial-congig-primitive 'not_to_be_called' is not called
 
+    @asynctest.fail_on(active_handles=True)
+    async def test_start_stop_rebuild_pass(self):
+        nsr_id = descriptors.test_ids["TEST-OP-VNF"]["ns"]
+        nslcmop_id = descriptors.test_ids["TEST-OP-VNF"]["nslcmops"]
+        vnf_id = descriptors.test_ids["TEST-OP-VNF"]["vnfrs"]
+        additional_param = {"count-index": "0"}
+        operation_type = "start"
+        await self.my_ns.rebuild_start_stop(
+            nsr_id, nslcmop_id, vnf_id, additional_param, operation_type
+        )
+        expected_value = "COMPLETED"
+        return_value = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        self.assertEqual(return_value, expected_value)
+
+    @asynctest.fail_on(active_handles=True)
+    async def test_start_stop_rebuild_fail(self):
+        nsr_id = descriptors.test_ids["TEST-OP-VNF"]["ns"]
+        nslcmop_id = descriptors.test_ids["TEST-OP-VNF"]["nslcmops1"]
+        vnf_id = descriptors.test_ids["TEST-OP-VNF"]["vnfrs"]
+        additional_param = {"count-index": "0"}
+        operation_type = "stop"
+        await self.my_ns.rebuild_start_stop(
+            nsr_id, nslcmop_id, vnf_id, additional_param, operation_type
+        )
+        expected_value = "Error"
+        return_value = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        self.assertEqual(return_value, expected_value)
+
     # Test scale() and related methods
     @asynctest.fail_on(active_handles=True)  # all async tasks must be completed
     async def test_scale(self):
@@ -775,6 +828,61 @@ class TestMyNS(asynctest.TestCase):
             or expected_kdu_model in nsr_kdu_model_result
         )
 
+    # Test remove_vnf() and related methods
+    @asynctest.fail_on(active_handles=True)  # all async tasks must be completed
+    async def test_remove_vnf(self):
+        # Test REMOVE_VNF
+        nsr_id = descriptors.test_ids["TEST-UPDATE"]["ns"]
+        nslcmop_id = descriptors.test_ids["TEST-UPDATE"]["removeVnf"]
+        vnf_instance_id = descriptors.test_ids["TEST-UPDATE"]["vnf"]
+        mock_wait_ng_ro = asynctest.CoroutineMock()
+        with patch("osm_lcm.ns.NsLcm._wait_ng_ro", mock_wait_ng_ro):
+            await self.my_ns.update(nsr_id, nslcmop_id)
+            expected_value = "COMPLETED"
+            return_value = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+                "operationState"
+            )
+            self.assertEqual(return_value, expected_value)
+            with self.assertRaises(Exception) as context:
+                self.db.get_one("vnfrs", {"_id": vnf_instance_id})
+            self.assertTrue(
+                "database exception Not found entry with filter"
+                in str(context.exception)
+            )
+
+    # test vertical scale executes sucessfully
+    # @patch("osm_lcm.ng_ro.status.response")
+    @asynctest.fail_on(active_handles=True)
+    async def test_vertical_scaling(self):
+        nsr_id = descriptors.test_ids["TEST-V-SCALE"]["ns"]
+        nslcmop_id = descriptors.test_ids["TEST-V-SCALE"]["instantiate"]
+
+        # calling the vertical scale fucntion
+        # self.my_ns.RO.status = asynctest.CoroutineMock(self.my_ns.RO.status, side_effect=self._ro_status("update"))
+        mock_wait_ng_ro = asynctest.CoroutineMock()
+        with patch("osm_lcm.ns.NsLcm._wait_ng_ro", mock_wait_ng_ro):
+            await self.my_ns.vertical_scale(nsr_id, nslcmop_id)
+            return_value = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+                "operationState"
+            )
+            expected_value = "COMPLETED"
+            self.assertEqual(return_value, expected_value)
+
+    # test vertical scale executes fail
+    @asynctest.fail_on(active_handles=True)
+    async def test_vertical_scaling_fail(self):
+        # get th nsr nad nslcmops id from descriptors
+        nsr_id = descriptors.test_ids["TEST-V-SCALE"]["ns"]
+        nslcmop_id = descriptors.test_ids["TEST-V-SCALE"]["instantiate-1"]
+
+        # calling the vertical scale fucntion
+        await self.my_ns.vertical_scale(nsr_id, nslcmop_id)
+        return_value = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        expected_value = "FAILED"
+        self.assertEqual(return_value, expected_value)
+
     # async def test_instantiate_pdu(self):
     #     nsr_id = descriptors.test_ids["TEST-A"]["ns"]
     #     nslcmop_id = descriptors.test_ids["TEST-A"]["instantiate"]
@@ -855,6 +963,571 @@ class TestMyNS(asynctest.TestCase):
     #     self.assertEqual(db_nsr.get("errorDescription "), None, "errorDescription different than None")
     #     self.assertEqual(db_nsr.get("errorDetail"), None, "errorDetail different than None")
 
+    @patch("osm_lcm.lcm_utils.LcmBase.check_charm_hash_changed")
+    @patch(
+        "osm_lcm.ns.NsLcm._ns_charm_upgrade", new_callable=asynctest.Mock(autospec=True)
+    )
+    @patch("osm_lcm.data_utils.vnfd.find_software_version")
+    @patch("osm_lcm.lcm_utils.check_juju_bundle_existence")
+    async def test_update_change_vnfpkg_sw_version_not_changed(
+        self,
+        mock_juju_bundle,
+        mock_software_version,
+        mock_charm_upgrade,
+        mock_charm_hash,
+    ):
+        """Update type: CHANGE_VNFPKG, latest_vnfd revision changed,
+        Charm package changed, sw-version is not changed"""
+        self.db.set_one(
+            "vnfds",
+            q_filter={"_id": vnfd_id},
+            update_dict={"_admin.revision": 3, "kdu": []},
+        )
+
+        self.db.set_one(
+            "vnfds_revisions",
+            q_filter={"_id": vnfd_id + ":1"},
+            update_dict={"_admin.revision": 1, "kdu": []},
+        )
+
+        self.db.set_one("vnfrs", q_filter={"_id": vnfr_id}, update_dict={"revision": 1})
+
+        mock_charm_hash.return_value = True
+        mock_software_version.side_effect = ["1.0", "1.0"]
+
+        task = asyncio.Future()
+        task.set_result(("COMPLETED", "some_output"))
+        mock_charm_upgrade.return_value = task
+
+        instance = self.my_ns
+        fs = deepcopy(update_fs)
+        instance.fs = fs
+
+        expected_operation_state = "COMPLETED"
+        expected_operation_error = ""
+        expected_vnfr_revision = 3
+        expected_ns_state = "INSTANTIATED"
+        expected_ns_operational_state = "running"
+
+        await instance.update(nsr_id, nslcmop_id)
+        return_operation_state = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        return_operation_error = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "errorMessage"
+        )
+        return_ns_operational_state = self.db.get_one("nsrs", {"_id": nsr_id}).get(
+            "operational-status"
+        )
+        return_vnfr_revision = self.db.get_one("vnfrs", {"_id": vnfr_id}).get(
+            "revision"
+        )
+        return_ns_state = self.db.get_one("nsrs", {"_id": nsr_id}).get("nsState")
+        mock_charm_hash.assert_called_with(
+            f"{vnfd_id}:1/hackfest_3charmed_vnfd/charms/simple",
+            f"{vnfd_id}:3/hackfest_3charmed_vnfd/charms/simple",
+        )
+        self.assertEqual(fs.sync.call_count, 2)
+        self.assertEqual(return_ns_state, expected_ns_state)
+        self.assertEqual(return_operation_state, expected_operation_state)
+        self.assertEqual(return_operation_error, expected_operation_error)
+        self.assertEqual(return_ns_operational_state, expected_ns_operational_state)
+        self.assertEqual(return_vnfr_revision, expected_vnfr_revision)
+
+    @patch("osm_lcm.lcm_utils.LcmBase.check_charm_hash_changed")
+    @patch(
+        "osm_lcm.ns.NsLcm._ns_charm_upgrade", new_callable=asynctest.Mock(autospec=True)
+    )
+    @patch("osm_lcm.data_utils.vnfd.find_software_version")
+    @patch("osm_lcm.lcm_utils.check_juju_bundle_existence")
+    async def test_update_change_vnfpkg_vnfd_revision_not_changed(
+        self,
+        mock_juju_bundle,
+        mock_software_version,
+        mock_charm_upgrade,
+        mock_charm_hash,
+    ):
+        """Update type: CHANGE_VNFPKG, latest_vnfd revision not changed"""
+        self.db.set_one(
+            "vnfds", q_filter={"_id": vnfd_id}, update_dict={"_admin.revision": 1}
+        )
+        self.db.set_one("vnfrs", q_filter={"_id": vnfr_id}, update_dict={"revision": 1})
+
+        mock_charm_hash.return_value = True
+
+        task = asyncio.Future()
+        task.set_result(("COMPLETED", "some_output"))
+        mock_charm_upgrade.return_value = task
+
+        instance = self.my_ns
+
+        expected_operation_state = "COMPLETED"
+        expected_operation_error = ""
+        expected_vnfr_revision = 1
+        expected_ns_state = "INSTANTIATED"
+        expected_ns_operational_state = "running"
+
+        await instance.update(nsr_id, nslcmop_id)
+        return_operation_state = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        return_operation_error = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "errorMessage"
+        )
+        return_ns_operational_state = self.db.get_one("nsrs", {"_id": nsr_id}).get(
+            "operational-status"
+        )
+        return_ns_state = self.db.get_one("nsrs", {"_id": nsr_id}).get("nsState")
+        return_vnfr_revision = self.db.get_one("vnfrs", {"_id": vnfr_id}).get(
+            "revision"
+        )
+        mock_charm_hash.assert_not_called()
+        mock_software_version.assert_not_called()
+        mock_juju_bundle.assert_not_called()
+        mock_charm_upgrade.assert_not_called()
+        update_fs.sync.assert_not_called()
+        self.assertEqual(return_ns_state, expected_ns_state)
+        self.assertEqual(return_operation_state, expected_operation_state)
+        self.assertEqual(return_operation_error, expected_operation_error)
+        self.assertEqual(return_ns_operational_state, expected_ns_operational_state)
+        self.assertEqual(return_vnfr_revision, expected_vnfr_revision)
+
+    @patch("osm_lcm.lcm_utils.LcmBase.check_charm_hash_changed")
+    @patch(
+        "osm_lcm.ns.NsLcm._ns_charm_upgrade", new_callable=asynctest.Mock(autospec=True)
+    )
+    @patch("osm_lcm.data_utils.vnfd.find_software_version")
+    @patch("osm_lcm.lcm_utils.check_juju_bundle_existence")
+    async def test_update_change_vnfpkg_charm_is_not_changed(
+        self,
+        mock_juju_bundle,
+        mock_software_version,
+        mock_charm_upgrade,
+        mock_charm_hash,
+    ):
+        """Update type: CHANGE_VNFPKG, latest_vnfd revision changed
+        Charm package is not changed, sw-version is not changed"""
+        self.db.set_one(
+            "vnfds",
+            q_filter={"_id": vnfd_id},
+            update_dict={"_admin.revision": 3, "kdu": []},
+        )
+        self.db.set_one(
+            "vnfds_revisions",
+            q_filter={"_id": vnfd_id + ":1"},
+            update_dict={"_admin.revision": 1, "kdu": []},
+        )
+        self.db.set_one("vnfrs", q_filter={"_id": vnfr_id}, update_dict={"revision": 1})
+
+        mock_charm_hash.return_value = False
+        mock_software_version.side_effect = ["1.0", "1.0"]
+
+        instance = self.my_ns
+        fs = deepcopy(update_fs)
+        instance.fs = fs
+        expected_operation_state = "COMPLETED"
+        expected_operation_error = ""
+        expected_vnfr_revision = 3
+        expected_ns_state = "INSTANTIATED"
+        expected_ns_operational_state = "running"
+
+        await instance.update(nsr_id, nslcmop_id)
+        return_operation_state = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        return_operation_error = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "errorMessage"
+        )
+        return_ns_operational_state = self.db.get_one("nsrs", {"_id": nsr_id}).get(
+            "operational-status"
+        )
+        return_vnfr_revision = self.db.get_one("vnfrs", {"_id": vnfr_id}).get(
+            "revision"
+        )
+        return_ns_state = self.db.get_one("nsrs", {"_id": nsr_id}).get("nsState")
+        mock_charm_hash.assert_called_with(
+            f"{vnfd_id}:1/hackfest_3charmed_vnfd/charms/simple",
+            f"{vnfd_id}:3/hackfest_3charmed_vnfd/charms/simple",
+        )
+        self.assertEqual(fs.sync.call_count, 2)
+        self.assertEqual(mock_charm_hash.call_count, 1)
+        mock_juju_bundle.assert_not_called()
+        mock_charm_upgrade.assert_not_called()
+        self.assertEqual(return_ns_state, expected_ns_state)
+        self.assertEqual(return_operation_state, expected_operation_state)
+        self.assertEqual(return_operation_error, expected_operation_error)
+        self.assertEqual(return_ns_operational_state, expected_ns_operational_state)
+        self.assertEqual(return_vnfr_revision, expected_vnfr_revision)
+
+    @patch("osm_lcm.lcm_utils.check_juju_bundle_existence")
+    @patch("osm_lcm.lcm_utils.LcmBase.check_charm_hash_changed")
+    @patch(
+        "osm_lcm.ns.NsLcm._ns_charm_upgrade", new_callable=asynctest.Mock(autospec=True)
+    )
+    @patch("osm_lcm.lcm_utils.get_charm_artifact_path")
+    async def test_update_change_vnfpkg_sw_version_changed(
+        self, mock_charm_artifact, mock_charm_upgrade, mock_charm_hash, mock_juju_bundle
+    ):
+        """Update type: CHANGE_VNFPKG, latest_vnfd revision changed
+        Charm package exists, sw-version changed."""
+        self.db.set_one(
+            "vnfds",
+            q_filter={"_id": vnfd_id},
+            update_dict={"_admin.revision": 3, "software-version": "3.0", "kdu": []},
+        )
+        self.db.set_one(
+            "vnfds_revisions",
+            q_filter={"_id": vnfd_id + ":1"},
+            update_dict={"_admin.revision": 1, "kdu": []},
+        )
+        self.db.set_one(
+            "vnfrs",
+            q_filter={"_id": vnfr_id},
+            update_dict={"revision": 1},
+        )
+        mock_charm_hash.return_value = False
+
+        mock_charm_artifact.side_effect = [
+            f"{vnfd_id}:1/hackfest_3charmed_vnfd/charms/simple",
+            f"{vnfd_id}:3/hackfest_3charmed_vnfd/charms/simple",
+        ]
+
+        instance = self.my_ns
+        fs = deepcopy(update_fs)
+        instance.fs = fs
+        expected_operation_state = "FAILED"
+        expected_operation_error = "FAILED Checking if existing VNF has charm: Software version change is not supported as VNF instance 6421c7c9-d865-4fb4-9a13-d4275d243e01 has charm."
+        expected_vnfr_revision = 1
+        expected_ns_state = "INSTANTIATED"
+        expected_ns_operational_state = "running"
+
+        await instance.update(nsr_id, nslcmop_id)
+        return_operation_state = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        return_operation_error = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "errorMessage"
+        )
+        return_ns_operational_state = self.db.get_one("nsrs", {"_id": nsr_id}).get(
+            "operational-status"
+        )
+        return_vnfr_revision = self.db.get_one("vnfrs", {"_id": vnfr_id}).get(
+            "revision"
+        )
+        return_ns_state = self.db.get_one("nsrs", {"_id": nsr_id}).get("nsState")
+        self.assertEqual(fs.sync.call_count, 2)
+        mock_charm_hash.assert_not_called()
+        mock_juju_bundle.assert_not_called()
+        mock_charm_upgrade.assert_not_called()
+        self.assertEqual(return_ns_state, expected_ns_state)
+        self.assertEqual(return_operation_state, expected_operation_state)
+        self.assertEqual(return_operation_error, expected_operation_error)
+        self.assertEqual(return_ns_operational_state, expected_ns_operational_state)
+        self.assertEqual(return_vnfr_revision, expected_vnfr_revision)
+
+    @patch("osm_lcm.lcm_utils.check_juju_bundle_existence")
+    @patch("osm_lcm.lcm_utils.LcmBase.check_charm_hash_changed")
+    @patch(
+        "osm_lcm.ns.NsLcm._ns_charm_upgrade", new_callable=asynctest.Mock(autospec=True)
+    )
+    @patch("osm_lcm.data_utils.vnfd.find_software_version")
+    async def test_update_change_vnfpkg_juju_bundle_exists(
+        self,
+        mock_software_version,
+        mock_charm_upgrade,
+        mock_charm_hash,
+        mock_juju_bundle,
+    ):
+        """Update type: CHANGE_VNFPKG, latest_vnfd revision changed
+        Charm package exists, sw-version not changed, juju-bundle exists"""
+        # Upgrade is not allowed with juju bundles, this will cause TypeError
+        self.db.set_one(
+            "vnfds",
+            q_filter={"_id": vnfd_id},
+            update_dict={
+                "_admin.revision": 5,
+                "software-version": "1.0",
+                "kdu": [{"kdu_name": "native-kdu", "juju-bundle": "stable/native-kdu"}],
+            },
+        )
+        self.db.set_one(
+            "vnfds_revisions",
+            q_filter={"_id": vnfd_id + ":1"},
+            update_dict={
+                "_admin.revision": 1,
+                "software-version": "1.0",
+                "kdu": [{"kdu_name": "native-kdu", "juju-bundle": "stable/native-kdu"}],
+            },
+        )
+        self.db.set_one(
+            "nsrs",
+            q_filter={"_id": nsr_id},
+            update_dict={
+                "_admin.deployed.VCA.0.kdu_name": "native-kdu",
+            },
+        )
+        self.db.set_one("vnfrs", q_filter={"_id": vnfr_id}, update_dict={"revision": 1})
+
+        mock_charm_hash.side_effect = [True]
+        mock_software_version.side_effect = ["1.0", "1.0"]
+        mock_juju_bundle.return_value = True
+        instance = self.my_ns
+        fs = deepcopy(update_fs)
+        instance.fs = fs
+
+        expected_vnfr_revision = 1
+        expected_ns_state = "INSTANTIATED"
+        expected_ns_operational_state = "running"
+
+        await instance.update(nsr_id, nslcmop_id)
+        return_ns_operational_state = self.db.get_one("nsrs", {"_id": nsr_id}).get(
+            "operational-status"
+        )
+        return_vnfr_revision = self.db.get_one("vnfrs", {"_id": vnfr_id}).get(
+            "revision"
+        )
+        return_ns_state = self.db.get_one("nsrs", {"_id": nsr_id}).get("nsState")
+        self.assertEqual(fs.sync.call_count, 2)
+        mock_charm_upgrade.assert_not_called()
+        mock_charm_hash.assert_not_called()
+        self.assertEqual(return_ns_state, expected_ns_state)
+        self.assertEqual(return_ns_operational_state, expected_ns_operational_state)
+        self.assertEqual(return_vnfr_revision, expected_vnfr_revision)
+
+    @patch("osm_lcm.lcm_utils.LcmBase.check_charm_hash_changed")
+    @patch(
+        "osm_lcm.ns.NsLcm._ns_charm_upgrade", new_callable=asynctest.Mock(autospec=True)
+    )
+    async def test_update_change_vnfpkg_charm_upgrade_failed(
+        self, mock_charm_upgrade, mock_charm_hash
+    ):
+        """ "Update type: CHANGE_VNFPKG, latest_vnfd revision changed"
+        Charm package exists, sw-version not changed, charm-upgrade failed"""
+        self.db.set_one(
+            "vnfds",
+            q_filter={"_id": vnfd_id},
+            update_dict={
+                "_admin.revision": 3,
+                "software-version": "1.0",
+                "kdu": [],
+            },
+        )
+        self.db.set_one(
+            "vnfds_revisions",
+            q_filter={"_id": vnfd_id + ":1"},
+            update_dict={
+                "_admin.revision": 1,
+                "software-version": "1.0",
+                "kdu": [],
+            },
+        )
+        self.db.set_one("vnfrs", q_filter={"_id": vnfr_id}, update_dict={"revision": 1})
+
+        mock_charm_hash.return_value = True
+
+        task = asyncio.Future()
+        task.set_result(("FAILED", "some_error"))
+        mock_charm_upgrade.return_value = task
+
+        instance = self.my_ns
+        fs = deepcopy(update_fs)
+        instance.fs = fs
+        expected_operation_state = "FAILED"
+        expected_operation_error = "some_error"
+        expected_vnfr_revision = 1
+        expected_ns_state = "INSTANTIATED"
+        expected_ns_operational_state = "running"
+
+        await instance.update(nsr_id, nslcmop_id)
+        return_operation_state = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "operationState"
+        )
+        return_operation_error = self.db.get_one("nslcmops", {"_id": nslcmop_id}).get(
+            "errorMessage"
+        )
+        return_ns_operational_state = self.db.get_one("nsrs", {"_id": nsr_id}).get(
+            "operational-status"
+        )
+        return_vnfr_revision = self.db.get_one("vnfrs", {"_id": vnfr_id}).get(
+            "revision"
+        )
+        return_ns_state = self.db.get_one("nsrs", {"_id": nsr_id}).get("nsState")
+        self.assertEqual(fs.sync.call_count, 2)
+        self.assertEqual(mock_charm_hash.call_count, 1)
+        self.assertEqual(mock_charm_upgrade.call_count, 1)
+        self.assertEqual(return_ns_state, expected_ns_state)
+        self.assertEqual(return_operation_state, expected_operation_state)
+        self.assertEqual(return_operation_error, expected_operation_error)
+        self.assertEqual(return_ns_operational_state, expected_ns_operational_state)
+        self.assertEqual(return_vnfr_revision, expected_vnfr_revision)
+
+    def test_ns_update_find_sw_version_vnfd_not_includes(self):
+        """Find software version, VNFD does not have software version"""
+
+        db_vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+        expected_result = "1.0"
+        result = find_software_version(db_vnfd)
+        self.assertEqual(result, expected_result, "Default sw version should be 1.0")
+
+    def test_ns_update_find_sw_version_vnfd_includes(self):
+        """Find software version, VNFD includes software version"""
+
+        db_vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+        db_vnfd["software-version"] = "3.1"
+        expected_result = "3.1"
+        result = find_software_version(db_vnfd)
+        self.assertEqual(result, expected_result, "VNFD software version is wrong")
+
+    @patch("os.path.exists")
+    @patch("osm_lcm.lcm_utils.LcmBase.compare_charmdir_hash")
+    @patch("osm_lcm.lcm_utils.LcmBase.compare_charm_hash")
+    def test_ns_update_check_charm_hash_not_changed(
+        self, mock_compare_charm_hash, mock_compare_charmdir_hash, mock_path_exists
+    ):
+        """Check charm hash, Hash did not change"""
+
+        current_path, target_path = "/tmp/charm1", "/tmp/charm1"
+
+        fs = Mock()
+        fs.path.__add__ = Mock()
+        fs.path.side_effect = [current_path, target_path]
+        fs.path.__add__.side_effect = [current_path, target_path]
+
+        mock_path_exists.side_effect = [True, True]
+
+        mock_compare_charmdir_hash.return_value = callable(False)
+        mock_compare_charm_hash.return_value = callable(False)
+
+        instance = self.my_ns
+        instance.fs = fs
+        expected_result = False
+
+        result = instance.check_charm_hash_changed(current_path, target_path)
+        self.assertEqual(result, expected_result, "Wrong charm hash control value")
+        self.assertEqual(mock_path_exists.call_count, 2)
+        self.assertEqual(mock_compare_charmdir_hash.call_count, 1)
+        self.assertEqual(mock_compare_charm_hash.call_count, 0)
+
+    @patch("os.path.exists")
+    @patch("osm_lcm.lcm_utils.LcmBase.compare_charmdir_hash")
+    @patch("osm_lcm.lcm_utils.LcmBase.compare_charm_hash")
+    def test_ns_update_check_charm_hash_changed(
+        self, mock_compare_charm_hash, mock_compare_charmdir_hash, mock_path_exists
+    ):
+        """Check charm hash, Hash has changed"""
+
+        current_path, target_path = "/tmp/charm1", "/tmp/charm2"
+
+        fs = Mock()
+        fs.path.__add__ = Mock()
+        fs.path.side_effect = [current_path, target_path, current_path, target_path]
+        fs.path.__add__.side_effect = [
+            current_path,
+            target_path,
+            current_path,
+            target_path,
+        ]
+
+        mock_path_exists.side_effect = [True, True]
+        mock_compare_charmdir_hash.return_value = callable(True)
+        mock_compare_charm_hash.return_value = callable(True)
+
+        instance = self.my_ns
+        instance.fs = fs
+        expected_result = True
+
+        result = instance.check_charm_hash_changed(current_path, target_path)
+        self.assertEqual(result, expected_result, "Wrong charm hash control value")
+        self.assertEqual(mock_path_exists.call_count, 2)
+        self.assertEqual(mock_compare_charmdir_hash.call_count, 1)
+        self.assertEqual(mock_compare_charm_hash.call_count, 0)
+
+    @patch("os.path.exists")
+    @patch("osm_lcm.lcm_utils.LcmBase.compare_charmdir_hash")
+    @patch("osm_lcm.lcm_utils.LcmBase.compare_charm_hash")
+    def test_ns_update_check_no_charm_path(
+        self, mock_compare_charm_hash, mock_compare_charmdir_hash, mock_path_exists
+    ):
+        """Check charm hash, Charm path does not exist"""
+
+        current_path, target_path = "/tmp/charm1", "/tmp/charm2"
+
+        fs = Mock()
+        fs.path.__add__ = Mock()
+        fs.path.side_effect = [current_path, target_path, current_path, target_path]
+        fs.path.__add__.side_effect = [
+            current_path,
+            target_path,
+            current_path,
+            target_path,
+        ]
+
+        mock_path_exists.side_effect = [True, False]
+
+        mock_compare_charmdir_hash.return_value = callable(False)
+        mock_compare_charm_hash.return_value = callable(False)
+        instance = self.my_ns
+        instance.fs = fs
+
+        with self.assertRaises(LcmException):
+            instance.check_charm_hash_changed(current_path, target_path)
+            self.assertEqual(mock_path_exists.call_count, 2)
+            self.assertEqual(mock_compare_charmdir_hash.call_count, 0)
+            self.assertEqual(mock_compare_charm_hash.call_count, 0)
+
+    def test_ns_update_check_juju_bundle_existence_bundle_exists(self):
+        """Check juju bundle existence"""
+        test_vnfd2 = self.db.get_one(
+            "vnfds", {"_id": "d96b1cdf-5ad6-49f7-bf65-907ada989293"}
+        )
+        expected_result = "stable/native-kdu"
+        result = check_juju_bundle_existence(test_vnfd2)
+        self.assertEqual(result, expected_result, "Wrong juju bundle name")
+
+    def test_ns_update_check_juju_bundle_existence_bundle_does_not_exist(self):
+        """Check juju bundle existence"""
+        test_vnfd1 = self.db.get_one("vnfds", {"_id": vnfd_id})
+        expected_result = None
+        result = check_juju_bundle_existence(test_vnfd1)
+        self.assertEqual(result, expected_result, "Wrong juju bundle name")
+
+    def test_ns_update_check_juju_bundle_existence_empty_vnfd(self):
+        """Check juju bundle existence"""
+        test_vnfd1 = {}
+        expected_result = None
+        result = check_juju_bundle_existence(test_vnfd1)
+        self.assertEqual(result, expected_result, "Wrong juju bundle name")
+
+    def test_ns_update_check_juju_bundle_existence_invalid_vnfd(self):
+        """Check juju bundle existence"""
+        test_vnfd1 = [{"_id": vnfd_id}]
+        with self.assertRaises(AttributeError):
+            check_juju_bundle_existence(test_vnfd1)
+
+    def test_ns_update_check_juju_charm_artifacts_base_folder_wth_pkgdir(self):
+        """Check charm artifacts"""
+        base_folder = {
+            "folder": vnfd_id,
+            "pkg-dir": "hackfest_3charmed_vnfd",
+        }
+        charm_name = "simple"
+        charm_type = "lxc_proxy_charm"
+        revision = 3
+        expected_result = f"{vnfd_id}:3/hackfest_3charmed_vnfd/charms/simple"
+        result = get_charm_artifact_path(base_folder, charm_name, charm_type, revision)
+        self.assertEqual(result, expected_result, "Wrong charm artifact path")
+
+    def test_ns_update_check_juju_charm_artifacts_base_folder_wthout_pkgdir(self):
+        """Check charm artifacts, SOL004 packages"""
+        base_folder = {
+            "folder": vnfd_id,
+        }
+        charm_name = "basic"
+        charm_type, revision = "", ""
+        expected_result = f"{vnfd_id}/Scripts/helm-charts/basic"
+        result = get_charm_artifact_path(base_folder, charm_name, charm_type, revision)
+        self.assertEqual(result, expected_result, "Wrong charm artifact path")
+
 
 if __name__ == "__main__":
     asynctest.main()