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Allow graphite parser to create Inf and NaN values (#6420)

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This commit is contained in:
Daniel Nelson
2019-09-19 20:03:10 -07:00
committed by GitHub
parent e553341879
commit 8d96dd71c7
4 changed files with 41 additions and 30 deletions
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42
plugins/parsers/graphite/parser_test.go
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@@ -1,14 +1,14 @@
package graphite
import (
"reflect"
"math"
"strconv"
"testing"
"time"
"github.com/influxdata/telegraf/internal/templating"
"github.com/influxdata/telegraf/metric"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
@@ -355,14 +355,40 @@ func TestParse(t *testing.T) {
func TestParseNaN(t *testing.T) {
p, err := NewGraphiteParser("", []string{"measurement*"}, nil)
assert.NoError(t, err)
require.NoError(t, err)
_, err = p.ParseLine("servers.localhost.cpu_load NaN 1435077219")
assert.Error(t, err)
m, err := p.ParseLine("servers.localhost.cpu_load NaN 1435077219")
require.NoError(t, err)
if _, ok := err.(*UnsupposedValueError); !ok {
t.Fatalf("expected *ErrUnsupportedValue, got %v", reflect.TypeOf(err))
}
expected := testutil.MustMetric(
"servers.localhost.cpu_load",
map[string]string{},
map[string]interface{}{
"value": math.NaN(),
},
time.Unix(1435077219, 0),
)
testutil.RequireMetricEqual(t, expected, m)
}
func TestParseInf(t *testing.T) {
p, err := NewGraphiteParser("", []string{"measurement*"}, nil)
require.NoError(t, err)
m, err := p.ParseLine("servers.localhost.cpu_load +Inf 1435077219")
require.NoError(t, err)
expected := testutil.MustMetric(
"servers.localhost.cpu_load",
map[string]string{},
map[string]interface{}{
"value": math.Inf(1),
},
time.Unix(1435077219, 0),
)
testutil.RequireMetricEqual(t, expected, m)
}
func TestFilterMatchDefault(t *testing.T) {