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Copy pathwinperfcounters_test.go
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winperfcounters_test.go
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// +build windows
package winperfcounters
import (
"testing"
"time"
"strings"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestWinPerformanceQueryImpl(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
var query PerformanceQuery
var hCounter PDH_HCOUNTER
var err error
query = &PerformanceQueryImpl{}
err = query.Close()
require.Error(t, err, "uninitialized query must return errors")
_, err = query.AddCounterToQuery("")
require.Error(t, err, "uninitialized query must return errors")
assert.True(t, strings.Contains(err.Error(), "uninitialised"))
_, err = query.AddEnglishCounterToQuery("")
require.Error(t, err, "uninitialized query must return errors")
assert.True(t, strings.Contains(err.Error(), "uninitialised"))
err = query.CollectData()
require.Error(t, err, "uninitialized query must return errors")
assert.True(t, strings.Contains(err.Error(), "uninitialised"))
err = query.Open()
require.NoError(t, err)
counterPath := "\\Processor Information(_Total)\\% Processor Time"
hCounter, err = query.AddCounterToQuery(counterPath)
require.NoError(t, err)
assert.NotEqual(t, 0, hCounter)
err = query.Close()
require.NoError(t, err)
err = query.Open()
require.NoError(t, err)
hCounter, err = query.AddEnglishCounterToQuery(counterPath)
require.NoError(t, err)
assert.NotEqual(t, 0, hCounter)
cp, err := query.GetCounterPath(hCounter)
require.NoError(t, err)
assert.True(t, strings.HasSuffix(cp, counterPath))
err = query.CollectData()
require.NoError(t, err)
time.Sleep(time.Second)
err = query.CollectData()
require.NoError(t, err)
_, err = query.GetFormattedCounterValueDouble(hCounter)
require.NoError(t, err)
now := time.Now()
mtime, err := query.CollectDataWithTime()
require.NoError(t, err)
assert.True(t, mtime.Sub(now) < time.Second)
counterPath = "\\Process(*)\\% Processor Time"
paths, err := query.ExpandWildCardPath(counterPath)
require.NoError(t, err)
require.NotNil(t, paths)
assert.True(t, len(paths) > 1)
counterPath = "\\Process(_Total)\\*"
paths, err = query.ExpandWildCardPath(counterPath)
require.NoError(t, err)
require.NotNil(t, paths)
assert.True(t, len(paths) > 1)
err = query.Open()
require.NoError(t, err)
counterPath = "\\Process(*)\\% Processor Time"
hCounter, err = query.AddEnglishCounterToQuery(counterPath)
require.NoError(t, err)
assert.NotEqual(t, 0, hCounter)
err = query.CollectData()
require.NoError(t, err)
time.Sleep(time.Second)
err = query.CollectData()
require.NoError(t, err)
arr, err := query.GetFormattedCounterArrayDouble(hCounter)
if phderr, ok := err.(*PdhError); ok && phderr.ErrorCode != PDH_INVALID_DATA && phderr.ErrorCode != PDH_CALC_NEGATIVE_VALUE {
time.Sleep(time.Second)
arr, err = query.GetFormattedCounterArrayDouble(hCounter)
}
require.NoError(t, err)
assert.True(t, len(arr) > 0, "Too")
err = query.Close()
require.NoError(t, err)
}