telegraf/plugins/serializers/carbon2/carbon2_test.go

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2019-01-26 02:06:08 +00:00
package carbon2
import (
"fmt"
"github.com/stretchr/testify/require"
"testing"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/metric"
"github.com/stretchr/testify/assert"
)
func MustMetric(v telegraf.Metric, err error) telegraf.Metric {
if err != nil {
panic(err)
}
return v
}
func TestSerializeMetricFloat(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu": "cpu0",
}
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := metric.New("cpu", tags, fields, now)
assert.NoError(t, err)
s, _ := NewSerializer()
var buf []byte
buf, err = s.Serialize(m)
assert.NoError(t, err)
expS := []byte(fmt.Sprintf(`metric=cpu field=usage_idle cpu=cpu0 91.5 %d`, now.Unix()) + "\n")
assert.Equal(t, string(expS), string(buf))
}
func TestSerializeMetricWithEmptyStringTag(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu": "",
}
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := metric.New("cpu", tags, fields, now)
assert.NoError(t, err)
s, _ := NewSerializer()
var buf []byte
buf, err = s.Serialize(m)
assert.NoError(t, err)
expS := []byte(fmt.Sprintf(`metric=cpu field=usage_idle cpu=null 91.5 %d`, now.Unix()) + "\n")
assert.Equal(t, string(expS), string(buf))
}
func TestSerializeWithSpaces(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu 0": "cpu 0",
}
fields := map[string]interface{}{
"usage_idle 1": float64(91.5),
}
m, err := metric.New("cpu metric", tags, fields, now)
assert.NoError(t, err)
s, _ := NewSerializer()
var buf []byte
buf, err = s.Serialize(m)
assert.NoError(t, err)
expS := []byte(fmt.Sprintf(`metric=cpu_metric field=usage_idle_1 cpu_0=cpu_0 91.5 %d`, now.Unix()) + "\n")
assert.Equal(t, string(expS), string(buf))
}
func TestSerializeMetricInt(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu": "cpu0",
}
fields := map[string]interface{}{
"usage_idle": int64(90),
}
m, err := metric.New("cpu", tags, fields, now)
assert.NoError(t, err)
s, _ := NewSerializer()
var buf []byte
buf, err = s.Serialize(m)
assert.NoError(t, err)
expS := []byte(fmt.Sprintf(`metric=cpu field=usage_idle cpu=cpu0 90 %d`, now.Unix()) + "\n")
assert.Equal(t, string(expS), string(buf))
}
func TestSerializeMetricString(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu": "cpu0",
}
fields := map[string]interface{}{
"usage_idle": "foobar",
}
m, err := metric.New("cpu", tags, fields, now)
assert.NoError(t, err)
s, _ := NewSerializer()
var buf []byte
buf, err = s.Serialize(m)
assert.NoError(t, err)
expS := []byte("")
assert.Equal(t, string(expS), string(buf))
}
func TestSerializeBatch(t *testing.T) {
m := MustMetric(
metric.New(
"cpu",
map[string]string{},
map[string]interface{}{
"value": 42,
},
time.Unix(0, 0),
),
)
metrics := []telegraf.Metric{m, m}
s, _ := NewSerializer()
buf, err := s.SerializeBatch(metrics)
require.NoError(t, err)
expS := []byte(`metric=cpu field=value 42 0
metric=cpu field=value 42 0
`)
assert.Equal(t, string(expS), string(buf))
}