901 lines
19 KiB
Go
901 lines
19 KiB
Go
package datadog
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import (
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"encoding/json"
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"fmt"
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"math"
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/config"
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"github.com/influxdata/telegraf/testutil"
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)
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var (
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fakeURL = "http://test.datadog.com"
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fakeAPIKey = "123456"
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)
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func NewDatadog(url string) *Datadog {
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return &Datadog{
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URL: url,
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Log: testutil.Logger{},
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}
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}
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func fakeDatadog() *Datadog {
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d := NewDatadog(fakeURL)
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d.Apikey = fakeAPIKey
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return d
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}
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func TestUriOverride(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(`{"status":"ok"}`) //nolint:errcheck // Ignore the returned error as the test will fail anyway
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}))
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defer ts.Close()
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d := NewDatadog(ts.URL)
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d.Apikey = "123456"
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err := d.Connect()
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require.NoError(t, err)
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err = d.Write(testutil.MockMetrics())
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require.NoError(t, err)
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}
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func TestCompressionOverride(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(`{"status":"ok"}`) //nolint:errcheck // Ignore the returned error as the test will fail anyway
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}))
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defer ts.Close()
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d := NewDatadog(ts.URL)
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d.Apikey = "123456"
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d.Compression = "zlib"
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err := d.Connect()
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require.NoError(t, err)
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err = d.Write(testutil.MockMetrics())
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require.NoError(t, err)
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}
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func TestBadStatusCode(t *testing.T) {
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errorString := `{"errors": ["Something bad happened to the server.", "Your query made the server very sad."]}`
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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fmt.Fprint(w, errorString)
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}))
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defer ts.Close()
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d := NewDatadog(ts.URL)
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d.Apikey = "123456"
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err := d.Connect()
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require.NoError(t, err)
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err = d.Write(testutil.MockMetrics())
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if err == nil {
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t.Errorf("error expected but none returned")
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} else {
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require.EqualError(t, err, fmt.Sprintf("received bad status code, %v: %s", http.StatusInternalServerError, errorString))
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}
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}
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func TestAuthenticatedUrl(t *testing.T) {
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d := fakeDatadog()
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authURL := d.authenticatedURL()
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require.EqualValues(t, fmt.Sprintf("%s?api_key=%s", fakeURL, fakeAPIKey), authURL)
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}
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func TestBuildTags(t *testing.T) {
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var tagtests = []struct {
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ptIn []*telegraf.Tag
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outTags []string
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}{
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{
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ptIn: []*telegraf.Tag{
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{
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Key: "one",
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Value: "two",
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},
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{
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Key: "three",
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Value: "four",
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},
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},
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outTags: []string{"one:two", "three:four"},
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},
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{
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ptIn: []*telegraf.Tag{
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{
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Key: "aaa",
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Value: "bbb",
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},
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},
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outTags: []string{"aaa:bbb"},
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},
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{
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ptIn: make([]*telegraf.Tag, 0),
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outTags: make([]string, 0),
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},
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}
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for _, tt := range tagtests {
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tags := buildTags(tt.ptIn)
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if !reflect.DeepEqual(tags, tt.outTags) {
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t.Errorf("\nexpected %+v\ngot %+v\n", tt.outTags, tags)
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}
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}
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}
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func TestBuildPoint(t *testing.T) {
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var tagtests = []struct {
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ptIn telegraf.Metric
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outPt Point
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err error
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}{
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{
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testutil.TestMetric(0.0, "test1"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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0.0,
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},
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nil,
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},
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{
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testutil.TestMetric(1.0, "test2"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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1.0,
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},
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nil,
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},
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{
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testutil.TestMetric(10, "test3"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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10.0,
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},
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nil,
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},
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{
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testutil.TestMetric(int32(112345), "test4"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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112345.0,
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},
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nil,
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},
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{
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testutil.TestMetric(int64(112345), "test5"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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112345.0,
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},
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nil,
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},
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{
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testutil.TestMetric(float32(11234.5), "test6"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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11234.5,
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},
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nil,
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},
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{
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testutil.TestMetric(true, "test7"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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1.0,
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},
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nil,
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},
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{
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testutil.TestMetric(false, "test8"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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0.0,
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},
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nil,
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},
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{
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testutil.TestMetric(int64(0), "test int64"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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0.0,
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},
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nil,
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},
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{
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testutil.TestMetric(uint64(0), "test uint64"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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0.0,
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},
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nil,
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},
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{
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testutil.TestMetric(true, "test bool"),
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Point{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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1.0,
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},
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nil,
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},
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}
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for _, tt := range tagtests {
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pt, err := buildMetrics(tt.ptIn)
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if err != nil && tt.err == nil {
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t.Errorf("%s: unexpected error, %+v\n", tt.ptIn.Name(), err)
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}
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if tt.err != nil && err == nil {
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t.Errorf("%s: expected an error (%s) but none returned", tt.ptIn.Name(), tt.err.Error())
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}
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if !reflect.DeepEqual(pt["value"], tt.outPt) && tt.err == nil {
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t.Errorf("%s: \nexpected %+v\ngot %+v\n",
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tt.ptIn.Name(), tt.outPt, pt["value"])
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}
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}
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}
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func TestVerifyValue(t *testing.T) {
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var tagtests = []struct {
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ptIn telegraf.Metric
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validMetric bool
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}{
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{
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testutil.TestMetric(float32(11234.5), "test1"),
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true,
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},
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{
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testutil.TestMetric("11234.5", "test2"),
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false,
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},
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}
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for _, tt := range tagtests {
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ok := verifyValue(tt.ptIn.Fields()["value"])
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if tt.validMetric != ok {
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t.Errorf("%s: verification failed\n", tt.ptIn.Name())
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}
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}
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}
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func TestNaNIsSkipped(t *testing.T) {
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plugin := &Datadog{
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Apikey: "testing",
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URL: "", // No request will be sent because all fields are skipped
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}
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err := plugin.Connect()
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require.NoError(t, err)
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err = plugin.Write([]telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": math.NaN(),
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},
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time.Now()),
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})
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require.NoError(t, err)
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}
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func TestInfIsSkipped(t *testing.T) {
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plugin := &Datadog{
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Apikey: "testing",
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URL: "", // No request will be sent because all fields are skipped
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}
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err := plugin.Connect()
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require.NoError(t, err)
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err = plugin.Write([]telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": math.Inf(0),
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},
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time.Now()),
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})
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require.NoError(t, err)
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}
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func TestNonZeroRateIntervalConvertsRatesToCount(t *testing.T) {
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d := &Datadog{
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Apikey: "123456",
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RateInterval: config.Duration(10 * time.Second),
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}
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var tests = []struct {
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name string
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metricsIn []telegraf.Metric
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metricsOut []*Metric
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}{
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{
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"convert counter metrics to rate",
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[]telegraf.Metric{
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testutil.MustMetric(
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"count_metric",
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map[string]string{
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"metric_type": "counter",
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},
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map[string]interface{}{
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"value": 100,
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},
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time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
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telegraf.Counter,
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),
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},
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[]*Metric{
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{
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Metric: "count_metric",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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10,
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},
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},
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Type: "rate",
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Tags: []string{
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"metric_type:counter",
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},
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Interval: 10,
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},
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},
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},
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{
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"convert count value in timing metrics to rate",
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[]telegraf.Metric{
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testutil.MustMetric(
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"timing_metric",
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map[string]string{
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"metric_type": "timing",
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},
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map[string]interface{}{
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"count": 1,
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"lower": float64(10),
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"mean": float64(10),
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"median": float64(10),
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"stddev": float64(0),
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"sum": float64(10),
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"upper": float64(10),
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},
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time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
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telegraf.Untyped,
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),
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},
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[]*Metric{
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{
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Metric: "timing_metric.count",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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0.1,
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},
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},
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Type: "rate",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 10,
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},
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{
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Metric: "timing_metric.lower",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 1,
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},
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{
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Metric: "timing_metric.mean",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 1,
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},
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{
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Metric: "timing_metric.median",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 1,
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},
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{
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Metric: "timing_metric.stddev",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(0),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 1,
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},
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{
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Metric: "timing_metric.sum",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 1,
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},
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{
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Metric: "timing_metric.upper",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:timing",
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},
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Interval: 1,
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},
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},
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},
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{
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"convert count value in histogram metrics to rate",
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[]telegraf.Metric{
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testutil.MustMetric(
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"histogram_metric",
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map[string]string{
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"metric_type": "histogram",
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},
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map[string]interface{}{
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"count": 1,
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"lower": float64(10),
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"mean": float64(10),
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"median": float64(10),
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"stddev": float64(0),
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"sum": float64(10),
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"upper": float64(10),
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},
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time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
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telegraf.Untyped,
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),
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},
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[]*Metric{
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{
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Metric: "histogram_metric.count",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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0.1,
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},
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},
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Type: "rate",
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Tags: []string{
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"metric_type:histogram",
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},
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Interval: 10,
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},
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{
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Metric: "histogram_metric.lower",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:histogram",
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},
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Interval: 1,
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},
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{
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Metric: "histogram_metric.mean",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:histogram",
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},
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Interval: 1,
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},
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{
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Metric: "histogram_metric.median",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(10),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:histogram",
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},
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Interval: 1,
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},
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{
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Metric: "histogram_metric.stddev",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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float64(0),
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},
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},
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Type: "",
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Tags: []string{
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"metric_type:histogram",
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},
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Interval: 1,
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},
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{
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Metric: "histogram_metric.sum",
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Points: [1]Point{
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{
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float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
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|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.upper",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
actualMetricsOut := d.convertToDatadogMetric(tt.metricsIn)
|
|
require.ElementsMatch(t, tt.metricsOut, actualMetricsOut)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestZeroRateIntervalConvertsRatesToCount(t *testing.T) {
|
|
d := &Datadog{
|
|
Apikey: "123456",
|
|
}
|
|
|
|
var tests = []struct {
|
|
name string
|
|
metricsIn []telegraf.Metric
|
|
metricsOut []*Metric
|
|
}{
|
|
{
|
|
"does not convert counter metrics to rate",
|
|
[]telegraf.Metric{
|
|
testutil.MustMetric(
|
|
"count_metric",
|
|
map[string]string{
|
|
"metric_type": "counter",
|
|
},
|
|
map[string]interface{}{
|
|
"value": 100,
|
|
},
|
|
time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
|
|
telegraf.Counter,
|
|
),
|
|
},
|
|
[]*Metric{
|
|
{
|
|
Metric: "count_metric",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
100,
|
|
},
|
|
},
|
|
Type: "count",
|
|
Tags: []string{
|
|
"metric_type:counter",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
"does not convert count value in timing metrics to rate",
|
|
[]telegraf.Metric{
|
|
testutil.MustMetric(
|
|
"timing_metric",
|
|
map[string]string{
|
|
"metric_type": "timing",
|
|
},
|
|
map[string]interface{}{
|
|
"count": 1,
|
|
"lower": float64(10),
|
|
"mean": float64(10),
|
|
"median": float64(10),
|
|
"stddev": float64(0),
|
|
"sum": float64(10),
|
|
"upper": float64(10),
|
|
},
|
|
time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
|
|
telegraf.Untyped,
|
|
),
|
|
},
|
|
[]*Metric{
|
|
{
|
|
Metric: "timing_metric.count",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
1,
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "timing_metric.lower",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "timing_metric.mean",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "timing_metric.median",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "timing_metric.stddev",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(0),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "timing_metric.sum",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "timing_metric.upper",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:timing",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
"does not convert count value in histogram metrics to rate",
|
|
[]telegraf.Metric{
|
|
testutil.MustMetric(
|
|
"histogram_metric",
|
|
map[string]string{
|
|
"metric_type": "histogram",
|
|
},
|
|
map[string]interface{}{
|
|
"count": 1,
|
|
"lower": float64(10),
|
|
"mean": float64(10),
|
|
"median": float64(10),
|
|
"stddev": float64(0),
|
|
"sum": float64(10),
|
|
"upper": float64(10),
|
|
},
|
|
time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
|
|
telegraf.Untyped,
|
|
),
|
|
},
|
|
[]*Metric{
|
|
{
|
|
Metric: "histogram_metric.count",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
1,
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.lower",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.mean",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.median",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.stddev",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(0),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.sum",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
{
|
|
Metric: "histogram_metric.upper",
|
|
Points: [1]Point{
|
|
{
|
|
float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()),
|
|
float64(10),
|
|
},
|
|
},
|
|
Type: "",
|
|
Tags: []string{
|
|
"metric_type:histogram",
|
|
},
|
|
Interval: 1,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
actualMetricsOut := d.convertToDatadogMetric(tt.metricsIn)
|
|
require.ElementsMatch(t, tt.metricsOut, actualMetricsOut)
|
|
})
|
|
}
|
|
}
|