Files
windows_exporter/internal/mi/mi_test.go
2024-11-03 01:03:34 +01:00

295 lines
7.9 KiB
Go

//go:build windows
package mi_test
import (
"testing"
"time"
"github.com/prometheus-community/windows_exporter/internal/mi"
"github.com/prometheus-community/windows_exporter/internal/testutils"
"github.com/stretchr/testify/require"
"golang.org/x/sys/windows"
)
type win32Process struct {
Name string `mi:"Name"`
}
type wmiPrinter struct {
Name string `mi:"Name"`
Default bool `mi:"Default"`
PrinterStatus uint16 `mi:"PrinterStatus"`
JobCountSinceLastReset uint32 `mi:"JobCountSinceLastReset"`
}
type wmiPrintJob struct {
Name string `mi:"Name"`
Status string `mi:"Status"`
}
func Test_MI_Application_Initialize(t *testing.T) {
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
err = application.Close()
require.NoError(t, err)
}
func Test_MI_Application_TestConnection(t *testing.T) {
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
destinationOptions, err := application.NewDestinationOptions()
require.NoError(t, err)
require.NotEmpty(t, destinationOptions)
err = destinationOptions.SetTimeout(1 * time.Second)
require.NoError(t, err)
err = destinationOptions.SetLocale(mi.LocaleEnglish)
require.NoError(t, err)
session, err := application.NewSession(destinationOptions)
require.NoError(t, err)
require.NotEmpty(t, session)
err = session.TestConnection()
require.NoError(t, err)
require.NotEmpty(t, session)
err = session.Close()
require.NoError(t, err)
err = application.Close()
require.NoError(t, err)
}
func Test_MI_Query(t *testing.T) {
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
destinationOptions, err := application.NewDestinationOptions()
require.NoError(t, err)
require.NotEmpty(t, destinationOptions)
err = destinationOptions.SetTimeout(1 * time.Second)
require.NoError(t, err)
err = destinationOptions.SetLocale(mi.LocaleEnglish)
require.NoError(t, err)
session, err := application.NewSession(destinationOptions)
require.NoError(t, err)
require.NotEmpty(t, session)
operation, err := session.QueryInstances(mi.OperationFlagsStandardRTTI, nil, mi.NamespaceRootCIMv2, mi.QueryDialectWQL, "select Name from win32_process where handle = 0")
require.NoError(t, err)
require.NotEmpty(t, operation)
instance, moreResults, err := operation.GetInstance()
require.NoError(t, err)
require.NotEmpty(t, instance)
count, err := instance.GetElementCount()
require.NoError(t, err)
require.NotZero(t, count)
element, err := instance.GetElement("Name")
require.NoError(t, err)
require.NotEmpty(t, element)
value, err := element.GetValue()
require.NoError(t, err)
require.Equal(t, "System Idle Process", value)
require.NotEmpty(t, value)
require.False(t, moreResults)
err = operation.Close()
require.NoError(t, err)
err = session.Close()
require.NoError(t, err)
err = application.Close()
require.NoError(t, err)
}
func Test_MI_QueryUnmarshal(t *testing.T) {
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
destinationOptions, err := application.NewDestinationOptions()
require.NoError(t, err)
require.NotEmpty(t, destinationOptions)
err = destinationOptions.SetTimeout(1 * time.Second)
require.NoError(t, err)
err = destinationOptions.SetLocale(mi.LocaleEnglish)
require.NoError(t, err)
session, err := application.NewSession(destinationOptions)
require.NoError(t, err)
require.NotEmpty(t, session)
var processes []win32Process
queryProcess, err := mi.NewQuery("select Name from win32_process where handle = 0")
require.NoError(t, err)
err = session.QueryUnmarshal(&processes, mi.OperationFlagsStandardRTTI, nil, mi.NamespaceRootCIMv2, mi.QueryDialectWQL, queryProcess)
require.NoError(t, err)
require.Equal(t, []win32Process{{Name: "System Idle Process"}}, processes)
err = session.Close()
require.NoError(t, err)
err = application.Close()
require.NoError(t, err)
}
func Test_MI_EmptyQuery(t *testing.T) {
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
destinationOptions, err := application.NewDestinationOptions()
require.NoError(t, err)
require.NotEmpty(t, destinationOptions)
err = destinationOptions.SetTimeout(1 * time.Second)
require.NoError(t, err)
err = destinationOptions.SetLocale(mi.LocaleEnglish)
require.NoError(t, err)
session, err := application.NewSession(destinationOptions)
require.NoError(t, err)
require.NotEmpty(t, session)
operation, err := session.QueryInstances(mi.OperationFlagsStandardRTTI, nil, mi.NamespaceRootCIMv2, mi.QueryDialectWQL, "SELECT Name, Status FROM win32_PrintJob")
require.NoError(t, err)
require.NotEmpty(t, operation)
instance, moreResults, err := operation.GetInstance()
require.NoError(t, err)
require.Empty(t, instance)
require.False(t, moreResults)
err = operation.Close()
require.NoError(t, err)
err = session.Close()
require.NoError(t, err)
err = application.Close()
require.NoError(t, err)
}
func Test_MI_Query_Unmarshal(t *testing.T) {
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
destinationOptions, err := application.NewDestinationOptions()
require.NoError(t, err)
require.NotEmpty(t, destinationOptions)
err = destinationOptions.SetTimeout(1 * time.Second)
require.NoError(t, err)
err = destinationOptions.SetLocale(mi.LocaleEnglish)
require.NoError(t, err)
session, err := application.NewSession(destinationOptions)
require.NoError(t, err)
require.NotEmpty(t, session)
operation, err := session.QueryInstances(mi.OperationFlagsStandardRTTI, nil, mi.NamespaceRootCIMv2, mi.QueryDialectWQL, "SELECT Name FROM Win32_Process WHERE Handle = 0 OR Handle = 4")
require.NoError(t, err)
require.NotEmpty(t, operation)
var processes []win32Process
err = operation.Unmarshal(&processes)
require.NoError(t, err)
require.Equal(t, []win32Process{{Name: "System Idle Process"}, {Name: "System"}}, processes)
err = operation.Close()
require.NoError(t, err)
err = session.Close()
require.NoError(t, err)
err = application.Close()
require.NoError(t, err)
}
func Test_MI_FD_Leak(t *testing.T) {
t.Skip("This test is disabled because it is not deterministic and may fail on some systems.")
application, err := mi.Application_Initialize()
require.NoError(t, err)
require.NotEmpty(t, application)
session, err := application.NewSession(nil)
require.NoError(t, err)
require.NotEmpty(t, session)
currentFileHandle, err := testutils.GetProcessHandleCount(windows.CurrentProcess())
require.NoError(t, err)
t.Log("Current File Handle Count: ", currentFileHandle)
queryPrinter, err := mi.NewQuery("SELECT Name, Default, PrinterStatus, JobCountSinceLastReset FROM win32_Printer")
require.NoError(t, err)
queryPrinterJob, err := mi.NewQuery("SELECT Name, Status FROM win32_PrintJob")
require.NoError(t, err)
for range 1000 {
var wmiPrinters []wmiPrinter
err := session.Query(&wmiPrinters, mi.NamespaceRootCIMv2, queryPrinter)
require.NoError(t, err)
var wmiPrintJobs []wmiPrintJob
err = session.Query(&wmiPrintJobs, mi.NamespaceRootCIMv2, queryPrinterJob)
require.NoError(t, err)
currentFileHandle, err = testutils.GetProcessHandleCount(windows.CurrentProcess())
require.NoError(t, err)
t.Log("Current File Handle Count: ", currentFileHandle)
}
currentFileHandle, err = testutils.GetProcessHandleCount(windows.CurrentProcess())
require.NoError(t, err)
t.Log("Current File Handle Count: ", currentFileHandle)
err = session.Close()
require.NoError(t, err)
currentFileHandle, err = testutils.GetProcessHandleCount(windows.CurrentProcess())
require.NoError(t, err)
t.Log("Current File Handle Count: ", currentFileHandle)
err = application.Close()
require.NoError(t, err)
currentFileHandle, err = testutils.GetProcessHandleCount(windows.CurrentProcess())
require.NoError(t, err)
t.Log("Current File Handle Count: ", currentFileHandle)
}