def test_wmi_connection(self):
"""
Establish a WMI connection to the specified host/namespace, with the right credentials.
"""
wmi_sampler = WMISampler(
"Win32_PerfRawData_PerfOS_System",
["ProcessorQueueLength"],
host="myhost",
namespace="some/namespace",
username="******",
password="******"
)
wmi_sampler._get_connection()
# WMI connection is cached
self.assertIn('myhost:some/namespace:datadog', wmi_sampler._wmi_connections)
# Connection was established with the right parameters
self.assertWMIConnWith(wmi_sampler, "myhost")
self.assertWMIConnWith(wmi_sampler, "some/namespace")
