Updating system plugins for 0.3.0

plugins/system/memory_test.go

@@ -0,0 +1,73 @@
+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))
+}