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krkn/tests/test_node_actions_scenario_plugin.py
Paige Patton ff3c4f5313 increasing node action coverage (#1010) 
Signed-off-by: Paige Patton <prubenda@redhat.com>
2025-12-22 11:36:10 -05:00

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#!/usr/bin/env python3
"""
Test suite for NodeActionsScenarioPlugin class
Usage:
python -m coverage run -a -m unittest tests/test_node_actions_scenario_plugin.py -v
Assisted By: Claude Code
"""
import unittest
from unittest.mock import MagicMock, Mock, patch, mock_open, call
import yaml
import tempfile
import os
from krkn_lib.k8s import KrknKubernetes
from krkn_lib.telemetry.ocp import KrknTelemetryOpenshift
from krkn_lib.models.telemetry import ScenarioTelemetry
from krkn_lib.models.k8s import AffectedNodeStatus
from krkn.scenario_plugins.node_actions.node_actions_scenario_plugin import NodeActionsScenarioPlugin
class TestNodeActionsScenarioPlugin(unittest.TestCase):
def setUp(self):
"""
Set up test fixtures for NodeActionsScenarioPlugin
"""
# Reset node_general global variable before each test
import krkn.scenario_plugins.node_actions.node_actions_scenario_plugin as plugin_module
plugin_module.node_general = False
self.plugin = NodeActionsScenarioPlugin()
self.mock_kubecli = Mock(spec=KrknKubernetes)
self.mock_lib_telemetry = Mock(spec=KrknTelemetryOpenshift)
self.mock_lib_telemetry.get_lib_kubernetes.return_value = self.mock_kubecli
self.mock_scenario_telemetry = Mock(spec=ScenarioTelemetry)
self.mock_scenario_telemetry.affected_nodes = []
def test_get_scenario_types(self):
"""
Test get_scenario_types returns correct scenario type
"""
result = self.plugin.get_scenario_types()
self.assertEqual(result, ["node_scenarios"])
self.assertEqual(len(result), 1)
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.general_node_scenarios')
def test_get_node_scenario_object_generic(self, mock_general_scenarios):
"""
Test get_node_scenario_object returns general_node_scenarios for generic cloud type
"""
node_scenario = {"cloud_type": "generic"}
mock_general_instance = Mock()
mock_general_scenarios.return_value = mock_general_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_general_instance)
mock_general_scenarios.assert_called_once()
args = mock_general_scenarios.call_args[0]
self.assertEqual(args[0], self.mock_kubecli)
self.assertTrue(args[1]) # node_action_kube_check defaults to True
self.assertIsInstance(args[2], AffectedNodeStatus)
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.general_node_scenarios')
def test_get_node_scenario_object_no_cloud_type(self, mock_general_scenarios):
"""
Test get_node_scenario_object returns general_node_scenarios when cloud_type is not specified
"""
node_scenario = {}
mock_general_instance = Mock()
mock_general_scenarios.return_value = mock_general_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_general_instance)
mock_general_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.aws_node_scenarios')
def test_get_node_scenario_object_aws(self, mock_aws_scenarios):
"""
Test get_node_scenario_object returns aws_node_scenarios for AWS cloud type
"""
node_scenario = {"cloud_type": "aws"}
mock_aws_instance = Mock()
mock_aws_scenarios.return_value = mock_aws_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_aws_instance)
mock_aws_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.gcp_node_scenarios')
def test_get_node_scenario_object_gcp(self, mock_gcp_scenarios):
"""
Test get_node_scenario_object returns gcp_node_scenarios for GCP cloud type
"""
node_scenario = {"cloud_type": "gcp"}
mock_gcp_instance = Mock()
mock_gcp_scenarios.return_value = mock_gcp_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_gcp_instance)
mock_gcp_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.azure_node_scenarios')
def test_get_node_scenario_object_azure(self, mock_azure_scenarios):
"""
Test get_node_scenario_object returns azure_node_scenarios for Azure cloud type
"""
node_scenario = {"cloud_type": "azure"}
mock_azure_instance = Mock()
mock_azure_scenarios.return_value = mock_azure_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_azure_instance)
mock_azure_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.azure_node_scenarios')
def test_get_node_scenario_object_az(self, mock_azure_scenarios):
"""
Test get_node_scenario_object returns azure_node_scenarios for 'az' cloud type alias
"""
node_scenario = {"cloud_type": "az"}
mock_azure_instance = Mock()
mock_azure_scenarios.return_value = mock_azure_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_azure_instance)
mock_azure_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.docker_node_scenarios')
def test_get_node_scenario_object_docker(self, mock_docker_scenarios):
"""
Test get_node_scenario_object returns docker_node_scenarios for Docker cloud type
"""
node_scenario = {"cloud_type": "docker"}
mock_docker_instance = Mock()
mock_docker_scenarios.return_value = mock_docker_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_docker_instance)
mock_docker_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.vmware_node_scenarios')
def test_get_node_scenario_object_vmware(self, mock_vmware_scenarios):
"""
Test get_node_scenario_object returns vmware_node_scenarios for VMware cloud type
"""
node_scenario = {"cloud_type": "vmware"}
mock_vmware_instance = Mock()
mock_vmware_scenarios.return_value = mock_vmware_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_vmware_instance)
mock_vmware_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.vmware_node_scenarios')
def test_get_node_scenario_object_vsphere(self, mock_vmware_scenarios):
"""
Test get_node_scenario_object returns vmware_node_scenarios for vSphere cloud type alias
"""
node_scenario = {"cloud_type": "vsphere"}
mock_vmware_instance = Mock()
mock_vmware_scenarios.return_value = mock_vmware_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_vmware_instance)
mock_vmware_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.ibm_node_scenarios')
def test_get_node_scenario_object_ibm(self, mock_ibm_scenarios):
"""
Test get_node_scenario_object returns ibm_node_scenarios for IBM cloud type
"""
node_scenario = {"cloud_type": "ibm"}
mock_ibm_instance = Mock()
mock_ibm_scenarios.return_value = mock_ibm_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_ibm_instance)
mock_ibm_scenarios.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.ibm_node_scenarios')
def test_get_node_scenario_object_ibmcloud(self, mock_ibm_scenarios):
"""
Test get_node_scenario_object returns ibm_node_scenarios for ibmcloud cloud type alias
"""
node_scenario = {"cloud_type": "ibmcloud", "disable_ssl_verification": False}
mock_ibm_instance = Mock()
mock_ibm_scenarios.return_value = mock_ibm_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_ibm_instance)
args = mock_ibm_scenarios.call_args[0]
self.assertFalse(args[3]) # disable_ssl_verification should be False
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.ibmcloud_power_node_scenarios')
def test_get_node_scenario_object_ibmpower(self, mock_ibmpower_scenarios):
"""
Test get_node_scenario_object returns ibmcloud_power_node_scenarios for ibmpower cloud type
"""
node_scenario = {"cloud_type": "ibmpower"}
mock_ibmpower_instance = Mock()
mock_ibmpower_scenarios.return_value = mock_ibmpower_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_ibmpower_instance)
mock_ibmpower_scenarios.assert_called_once()
def test_get_node_scenario_object_openstack(self):
"""
Test get_node_scenario_object returns openstack_node_scenarios for OpenStack cloud type
"""
with patch('krkn.scenario_plugins.node_actions.openstack_node_scenarios.openstack_node_scenarios') as mock_openstack:
node_scenario = {"cloud_type": "openstack"}
mock_openstack_instance = Mock()
mock_openstack.return_value = mock_openstack_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_openstack_instance)
mock_openstack.assert_called_once()
def test_get_node_scenario_object_alibaba(self):
"""
Test get_node_scenario_object returns alibaba_node_scenarios for Alibaba cloud type
"""
with patch('krkn.scenario_plugins.node_actions.alibaba_node_scenarios.alibaba_node_scenarios') as mock_alibaba:
node_scenario = {"cloud_type": "alibaba"}
mock_alibaba_instance = Mock()
mock_alibaba.return_value = mock_alibaba_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_alibaba_instance)
mock_alibaba.assert_called_once()
def test_get_node_scenario_object_alicloud(self):
"""
Test get_node_scenario_object returns alibaba_node_scenarios for alicloud alias
"""
with patch('krkn.scenario_plugins.node_actions.alibaba_node_scenarios.alibaba_node_scenarios') as mock_alibaba:
node_scenario = {"cloud_type": "alicloud"}
mock_alibaba_instance = Mock()
mock_alibaba.return_value = mock_alibaba_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_alibaba_instance)
mock_alibaba.assert_called_once()
def test_get_node_scenario_object_bm(self):
"""
Test get_node_scenario_object returns bm_node_scenarios for bare metal cloud type
"""
with patch('krkn.scenario_plugins.node_actions.bm_node_scenarios.bm_node_scenarios') as mock_bm:
node_scenario = {
"cloud_type": "bm",
"bmc_info": "192.168.1.1",
"bmc_user": "admin",
"bmc_password": "password"
}
mock_bm_instance = Mock()
mock_bm.return_value = mock_bm_instance
result = self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertEqual(result, mock_bm_instance)
args = mock_bm.call_args[0]
self.assertEqual(args[0], "192.168.1.1")
self.assertEqual(args[1], "admin")
self.assertEqual(args[2], "password")
def test_get_node_scenario_object_unsupported_cloud(self):
"""
Test get_node_scenario_object raises exception for unsupported cloud type
"""
node_scenario = {"cloud_type": "unsupported_cloud"}
with self.assertRaises(Exception) as context:
self.plugin.get_node_scenario_object(node_scenario, self.mock_kubecli)
self.assertIn("not currently supported", str(context.exception))
self.assertIn("unsupported_cloud", str(context.exception))
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.common_node_functions')
def test_inject_node_scenario_with_node_name(self, mock_common_funcs):
"""
Test inject_node_scenario with specific node name
"""
node_scenario = {
"node_name": "node1,node2",
"instance_count": 2,
"runs": 1,
"timeout": 120,
"duration": 60,
"poll_interval": 15
}
action = "node_stop_start_scenario"
mock_scenario_object = Mock()
mock_scenario_object.affected_nodes_status = AffectedNodeStatus()
mock_scenario_object.affected_nodes_status.affected_nodes = []
mock_common_funcs.get_node_by_name.return_value = ["node1", "node2"]
self.plugin.inject_node_scenario(
action,
node_scenario,
mock_scenario_object,
self.mock_kubecli,
self.mock_scenario_telemetry
)
mock_common_funcs.get_node_by_name.assert_called_once_with(["node1", "node2"], self.mock_kubecli)
self.assertEqual(mock_scenario_object.node_stop_start_scenario.call_count, 2)
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.common_node_functions')
def test_inject_node_scenario_with_label_selector(self, mock_common_funcs):
"""
Test inject_node_scenario with label selector
"""
node_scenario = {
"label_selector": "node-role.kubernetes.io/worker",
"instance_count": 1
}
action = "node_reboot_scenario"
mock_scenario_object = Mock()
mock_scenario_object.affected_nodes_status = AffectedNodeStatus()
mock_scenario_object.affected_nodes_status.affected_nodes = []
mock_common_funcs.get_node.return_value = ["worker-node-1"]
self.plugin.inject_node_scenario(
action,
node_scenario,
mock_scenario_object,
self.mock_kubecli,
self.mock_scenario_telemetry
)
mock_common_funcs.get_node.assert_called_once_with("node-role.kubernetes.io/worker", 1, self.mock_kubecli)
mock_scenario_object.node_reboot_scenario.assert_called_once()
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.common_node_functions')
def test_inject_node_scenario_with_exclude_label(self, mock_common_funcs):
"""
Test inject_node_scenario with exclude label
"""
node_scenario = {
"label_selector": "node-role.kubernetes.io/worker",
"exclude_label": "node-role.kubernetes.io/master",
"instance_count": 2
}
action = "node_stop_scenario"
mock_scenario_object = Mock()
mock_scenario_object.affected_nodes_status = AffectedNodeStatus()
mock_scenario_object.affected_nodes_status.affected_nodes = []
mock_common_funcs.get_node.side_effect = [
["worker-1", "master-1"],
["master-1"]
]
self.plugin.inject_node_scenario(
action,
node_scenario,
mock_scenario_object,
self.mock_kubecli,
self.mock_scenario_telemetry
)
self.assertEqual(mock_common_funcs.get_node.call_count, 2)
# Should only process worker-1 after excluding master-1
self.assertEqual(mock_scenario_object.node_stop_scenario.call_count, 1)
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.common_node_functions')
def test_inject_node_scenario_parallel_mode(self, mock_common_funcs):
"""
Test inject_node_scenario with parallel processing
"""
node_scenario = {
"node_name": "node1,node2,node3",
"parallel": True
}
action = "restart_kubelet_scenario"
mock_scenario_object = Mock()
mock_scenario_object.affected_nodes_status = AffectedNodeStatus()
mock_scenario_object.affected_nodes_status.affected_nodes = []
mock_common_funcs.get_node_by_name.return_value = ["node1", "node2", "node3"]
with patch.object(self.plugin, 'multiprocess_nodes') as mock_multiprocess:
self.plugin.inject_node_scenario(
action,
node_scenario,
mock_scenario_object,
self.mock_kubecli,
self.mock_scenario_telemetry
)
mock_multiprocess.assert_called_once()
args = mock_multiprocess.call_args[0]
self.assertEqual(args[0], ["node1", "node2", "node3"])
self.assertEqual(args[2], action)
def test_run_node_node_start_scenario(self):
"""
Test run_node executes node_start_scenario action
"""
node_scenario = {"runs": 2, "timeout": 300, "poll_interval": 10}
action = "node_start_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_start_scenario.assert_called_once_with(2, "test-node", 300, 10)
def test_run_node_node_stop_scenario(self):
"""
Test run_node executes node_stop_scenario action
"""
node_scenario = {"runs": 1, "timeout": 120, "poll_interval": 15}
action = "node_stop_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_stop_scenario.assert_called_once_with(1, "test-node", 120, 15)
def test_run_node_node_stop_start_scenario(self):
"""
Test run_node executes node_stop_start_scenario action
"""
node_scenario = {"runs": 1, "timeout": 120, "duration": 60, "poll_interval": 15}
action = "node_stop_start_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_stop_start_scenario.assert_called_once_with(1, "test-node", 120, 60, 15)
def test_run_node_node_termination_scenario(self):
"""
Test run_node executes node_termination_scenario action
"""
node_scenario = {}
action = "node_termination_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_termination_scenario.assert_called_once_with(1, "test-node", 120, 15)
def test_run_node_node_reboot_scenario(self):
"""
Test run_node executes node_reboot_scenario action
"""
node_scenario = {"soft_reboot": True}
action = "node_reboot_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_reboot_scenario.assert_called_once_with(1, "test-node", 120, True)
def test_run_node_node_disk_detach_attach_scenario(self):
"""
Test run_node executes node_disk_detach_attach_scenario action
"""
node_scenario = {"duration": 90}
action = "node_disk_detach_attach_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_disk_detach_attach_scenario.assert_called_once_with(1, "test-node", 120, 90)
def test_run_node_stop_start_kubelet_scenario(self):
"""
Test run_node executes stop_start_kubelet_scenario action
"""
node_scenario = {}
action = "stop_start_kubelet_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.stop_start_kubelet_scenario.assert_called_once_with(1, "test-node", 120)
def test_run_node_restart_kubelet_scenario(self):
"""
Test run_node executes restart_kubelet_scenario action
"""
node_scenario = {}
action = "restart_kubelet_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.restart_kubelet_scenario.assert_called_once_with(1, "test-node", 120)
def test_run_node_stop_kubelet_scenario(self):
"""
Test run_node executes stop_kubelet_scenario action
"""
node_scenario = {}
action = "stop_kubelet_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.stop_kubelet_scenario.assert_called_once_with(1, "test-node", 120)
def test_run_node_node_crash_scenario(self):
"""
Test run_node executes node_crash_scenario action
"""
node_scenario = {}
action = "node_crash_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_crash_scenario.assert_called_once_with(1, "test-node", 120)
def test_run_node_node_block_scenario(self):
"""
Test run_node executes node_block_scenario action
"""
node_scenario = {"duration": 100}
action = "node_block_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.node_block_scenario.assert_called_once_with(1, "test-node", 120, 100)
@patch('logging.info')
def test_run_node_stop_start_helper_node_scenario_openstack(self, mock_logging):
"""
Test run_node executes stop_start_helper_node_scenario for OpenStack
"""
node_scenario = {
"cloud_type": "openstack",
"helper_node_ip": "192.168.1.100",
"service": "neutron-server"
}
action = "stop_start_helper_node_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_scenario_object.helper_node_stop_start_scenario.assert_called_once_with(1, "192.168.1.100", 120)
mock_scenario_object.helper_node_service_status.assert_called_once()
@patch('logging.error')
def test_run_node_stop_start_helper_node_scenario_non_openstack(self, mock_logging):
"""
Test run_node logs error for stop_start_helper_node_scenario on non-OpenStack
"""
node_scenario = {
"cloud_type": "aws",
"helper_node_ip": "192.168.1.100"
}
action = "stop_start_helper_node_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_logging.assert_called()
self.assertIn("not supported", str(mock_logging.call_args))
@patch('logging.error')
def test_run_node_stop_start_helper_node_scenario_missing_ip(self, mock_logging):
"""
Test run_node raises exception when helper_node_ip is missing
"""
node_scenario = {
"cloud_type": "openstack",
"helper_node_ip": None
}
action = "stop_start_helper_node_scenario"
mock_scenario_object = Mock()
with self.assertRaises(Exception) as context:
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
self.assertIn("Helper node IP address is not provided", str(context.exception))
@patch('logging.info')
def test_run_node_generic_cloud_skip_unsupported_action(self, mock_logging):
"""
Test run_node skips unsupported actions for generic cloud type
"""
# Set node_general to True for this test
import krkn.scenario_plugins.node_actions.node_actions_scenario_plugin as plugin_module
plugin_module.node_general = True
node_scenario = {}
action = "node_stop_scenario"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_logging.assert_called()
self.assertIn("not set up for generic cloud type", str(mock_logging.call_args))
@patch('logging.info')
def test_run_node_unknown_action(self, mock_logging):
"""
Test run_node logs info for unknown action
"""
node_scenario = {}
action = "unknown_action"
mock_scenario_object = Mock()
self.plugin.run_node("test-node", mock_scenario_object, action, node_scenario)
mock_logging.assert_called()
# Could be either message depending on node_general state
call_str = str(mock_logging.call_args)
self.assertTrue(
"no node action that matches" in call_str or
"not set up for generic cloud type" in call_str
)
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.cerberus')
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.common_node_functions')
@patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.general_node_scenarios')
@patch('builtins.open', new_callable=mock_open)
@patch('time.time')
def test_run_successful(self, mock_time, mock_file, mock_general_scenarios, mock_common_funcs, mock_cerberus):
"""
Test successful run of node actions scenario
"""
scenario_yaml = {
"node_scenarios": [
{
"cloud_type": "generic",
"node_name": "test-node",
"actions": ["stop_kubelet_scenario"]
}
]
}
mock_file.return_value.__enter__.return_value.read.return_value = yaml.dump(scenario_yaml)
mock_time.side_effect = [1000, 1100]
mock_scenario_object = Mock()
mock_scenario_object.affected_nodes_status = AffectedNodeStatus()
mock_scenario_object.affected_nodes_status.affected_nodes = []
mock_general_scenarios.return_value = mock_scenario_object
mock_common_funcs.get_node_by_name.return_value = ["test-node"]
mock_cerberus.get_status.return_value = None
with patch('yaml.full_load', return_value=scenario_yaml):
result = self.plugin.run(
"test-uuid",
"/path/to/scenario.yaml",
{},
self.mock_lib_telemetry,
self.mock_scenario_telemetry
)
self.assertEqual(result, 0)
mock_cerberus.get_status.assert_called_once_with({}, 1000, 1100)
@patch('logging.error')
@patch('builtins.open', new_callable=mock_open)
def test_run_with_exception(self, mock_file, mock_logging):
"""
Test run handles exceptions and returns 1
"""
scenario_yaml = {
"node_scenarios": [
{
"cloud_type": "unsupported"
}
]
}
with patch('yaml.full_load', return_value=scenario_yaml):
result = self.plugin.run(
"test-uuid",
"/path/to/scenario.yaml",
{},
self.mock_lib_telemetry,
self.mock_scenario_telemetry
)
self.assertEqual(result, 1)
mock_logging.assert_called()
@patch('logging.info')
def test_multiprocess_nodes(self, mock_logging):
"""
Test multiprocess_nodes executes run_node for multiple nodes in parallel
"""
nodes = ["node1", "node2", "node3"]
mock_scenario_object = Mock()
action = "restart_kubelet_scenario"
node_scenario = {}
with patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.ThreadPool') as mock_pool:
mock_pool_instance = Mock()
mock_pool.return_value = mock_pool_instance
self.plugin.multiprocess_nodes(nodes, mock_scenario_object, action, node_scenario)
mock_pool.assert_called_once_with(processes=3)
mock_pool_instance.starmap.assert_called_once()
mock_pool_instance.close.assert_called_once()
@patch('logging.info')
def test_multiprocess_nodes_with_exception(self, mock_logging):
"""
Test multiprocess_nodes handles exceptions gracefully
"""
nodes = ["node1", "node2"]
mock_scenario_object = Mock()
action = "node_reboot_scenario"
node_scenario = {}
with patch('krkn.scenario_plugins.node_actions.node_actions_scenario_plugin.ThreadPool') as mock_pool:
mock_pool.side_effect = Exception("Pool error")
self.plugin.multiprocess_nodes(nodes, mock_scenario_object, action, node_scenario)
mock_logging.assert_called()
self.assertIn("Error on pool multiprocessing", str(mock_logging.call_args))
if __name__ == "__main__":
unittest.main()
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