telegraf/plugins/system/memory_test.go

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2015-12-11 20:07:32 +00:00
package system
import (
"testing"
"github.com/influxdb/telegraf/testutil"
"github.com/shirou/gopsutil/mem"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMemStats(t *testing.T) {
var mps MockPS
var err error
defer mps.AssertExpectations(t)
var acc testutil.Accumulator
vms := &mem.VirtualMemoryStat{
Total: 12400,
Available: 7600,
Used: 5000,
Free: 1235,
// Active: 8134,
// Inactive: 1124,
// Buffers: 771,
// Cached: 4312,
// Wired: 134,
// Shared: 2142,
}
mps.On("VMStat").Return(vms, nil)
sms := &mem.SwapMemoryStat{
Total: 8123,
Used: 1232,
Free: 6412,
UsedPercent: 12.2,
Sin: 7,
Sout: 830,
}
mps.On("SwapStat").Return(sms, nil)
err = (&MemStats{&mps}).Gather(&acc)
require.NoError(t, err)
vmtags := map[string]string(nil)
assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))
assert.True(t, acc.CheckTaggedValue("available_percent",
float64(7600)/float64(12400)*100,
vmtags))
assert.True(t, acc.CheckTaggedValue("used_percent",
float64(5000)/float64(12400)*100,
vmtags))
assert.True(t, acc.CheckTaggedValue("free", uint64(1235), vmtags))
acc.Points = nil
err = (&SwapStats{&mps}).Gather(&acc)
require.NoError(t, err)
swaptags := map[string]string(nil)
assert.NoError(t, acc.ValidateTaggedValue("total", uint64(8123), swaptags))
assert.NoError(t, acc.ValidateTaggedValue("used", uint64(1232), swaptags))
assert.NoError(t, acc.ValidateTaggedValue("used_percent", float64(12.2), swaptags))
assert.NoError(t, acc.ValidateTaggedValue("free", uint64(6412), swaptags))
assert.NoError(t, acc.ValidateTaggedValue("in", uint64(7), swaptags))
assert.NoError(t, acc.ValidateTaggedValue("out", uint64(830), swaptags))
}