Refactor tests to work with new protobuf library.
Signed-off-by: SuperQ <superq@gmail.com>
This commit is contained in:
parent
d7d7c75084
commit
8d4b97f280
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@ -61,8 +61,10 @@ func TestCounterAdd(t *testing.T) {
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m := &dto.Metric{}
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counter.Write(m)
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if expected, got := `label:<name:"a" value:"1" > label:<name:"b" value:"2" > counter:<value:67.42 > `, m.String(); expected != got {
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t.Errorf("expected %q, got %q", expected, got)
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want := `label:{name:"a" value:"1"} label:{name:"b" value:"2"} counter:{value:67.42}`
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if err := compareProtoAndMetric(want, m); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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@ -164,8 +166,10 @@ func TestCounterAddInf(t *testing.T) {
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m := &dto.Metric{}
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counter.Write(m)
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if expected, got := `counter:<value:inf > `, m.String(); expected != got {
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t.Errorf("expected %q, got %q", expected, got)
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want := `counter:{value:inf}`
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if err := compareProtoAndMetric(want, m); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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@ -188,8 +192,10 @@ func TestCounterAddLarge(t *testing.T) {
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m := &dto.Metric{}
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counter.Write(m)
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if expected, got := fmt.Sprintf("counter:<value:%0.16e > ", large), m.String(); expected != got {
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t.Errorf("expected %q, got %q", expected, got)
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want := fmt.Sprintf("counter:{value:%0.16e}", large)
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if err := compareProtoAndMetric(want, m); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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@ -210,8 +216,10 @@ func TestCounterAddSmall(t *testing.T) {
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m := &dto.Metric{}
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counter.Write(m)
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if expected, got := fmt.Sprintf("counter:<value:%0.0e > ", small), m.String(); expected != got {
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t.Errorf("expected %q, got %q", expected, got)
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want := fmt.Sprintf("counter:{value:%0.0e}", small)
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if err := compareProtoAndMetric(want, m); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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@ -14,13 +14,13 @@
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package prometheus_test
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import (
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"fmt"
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"testing"
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"google.golang.org/protobuf/proto"
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dto "github.com/prometheus/client_model/go"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/testutil"
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dto "github.com/prometheus/client_model/go"
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)
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// Info implements an info pseudo-metric, which is modeled as a Gauge that
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@ -106,7 +106,7 @@ func (v *InfoVec) MustCurryWith(labels prometheus.Labels) *InfoVec {
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return vec
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}
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func ExampleMetricVec() {
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func TestExampleMetricVec(t *testing.T) {
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infoVec := NewInfoVec(
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"library_version_info",
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"Versions of the libraries used in this binary.",
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@ -126,8 +126,40 @@ func ExampleMetricVec() {
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if err != nil || len(metricFamilies) != 1 {
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panic("unexpected behavior of custom test registry")
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}
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fmt.Println(metricFamilies[0].String())
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// Output:
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// name:"library_version_info" help:"Versions of the libraries used in this binary." type:GAUGE metric:<label:<name:"library" value:"k8s.io/client-go" > label:<name:"version" value:"0.18.8" > gauge:<value:1 > > metric:<label:<name:"library" value:"prometheus/client_golang" > label:<name:"version" value:"1.7.1" > gauge:<value:1 > >
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want := `
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name: "library_version_info"
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help: "Versions of the libraries used in this binary."
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type: GAUGE
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metric: {
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label: {
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name: "library"
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value: "k8s.io/client-go"
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}
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label: {
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name: "version"
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value: "0.18.8"
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}
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gauge: {
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value: 1
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}
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}
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metric: {
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label: {
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name: "library"
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value: "prometheus/client_golang"
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}
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label: {
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name: "version"
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value: "1.7.1"
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}
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gauge: {
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value: 1
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}
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}
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`
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if err := testutil.CompareProtoAndMetricFamily(want, metricFamilies[0]); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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@ -21,13 +21,16 @@ import (
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"net/http"
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"runtime"
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"strings"
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"testing"
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"time"
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dto "github.com/prometheus/client_model/go"
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"github.com/prometheus/common/expfmt"
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"google.golang.org/protobuf/encoding/prototext"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/prometheus/client_golang/prometheus/testutil"
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)
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func ExampleGauge() {
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@ -302,7 +305,7 @@ func ExampleRegister() {
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// taskCounterForWorker2001 registered.
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}
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func ExampleSummary() {
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func TestExampleSummary(t *testing.T) {
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temps := prometheus.NewSummary(prometheus.SummaryOpts{
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Name: "pond_temperature_celsius",
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Help: "The temperature of the frog pond.",
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@ -319,13 +322,32 @@ func ExampleSummary() {
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// internally).
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metric := &dto.Metric{}
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temps.Write(metric)
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fmt.Println(metric.String())
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// Output:
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// summary:<sample_count:1000 sample_sum:29969.50000000001 quantile:<quantile:0.5 value:31.1 > quantile:<quantile:0.9 value:41.3 > quantile:<quantile:0.99 value:41.9 > >
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want := `
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summary: {
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sample_count: 1000
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sample_sum: 29969.50000000001
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quantile: {
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quantile: 0.5
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value: 31.1
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}
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quantile: {
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quantile: 0.9
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value: 41.3
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}
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quantile: {
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quantile: 0.99
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value: 41.9
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}
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}
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`
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if err := testutil.CompareProtoAndMetric(want, metric); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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func ExampleSummaryVec() {
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func TestExampleSummaryVec(t *testing.T) {
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temps := prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "pond_temperature_celsius",
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@ -354,13 +376,86 @@ func ExampleSummaryVec() {
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if err != nil || len(metricFamilies) != 1 {
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panic("unexpected behavior of custom test registry")
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}
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fmt.Println(metricFamilies[0].String())
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fmt.Println(prototext.Format(metricFamilies[0]))
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// Output:
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// name:"pond_temperature_celsius" help:"The temperature of the frog pond." type:SUMMARY metric:<label:<name:"species" value:"leiopelma-hochstetteri" > summary:<sample_count:0 sample_sum:0 quantile:<quantile:0.5 value:nan > quantile:<quantile:0.9 value:nan > quantile:<quantile:0.99 value:nan > > > metric:<label:<name:"species" value:"lithobates-catesbeianus" > summary:<sample_count:1000 sample_sum:31956.100000000017 quantile:<quantile:0.5 value:32.4 > quantile:<quantile:0.9 value:41.4 > quantile:<quantile:0.99 value:41.9 > > > metric:<label:<name:"species" value:"litoria-caerulea" > summary:<sample_count:1000 sample_sum:29969.50000000001 quantile:<quantile:0.5 value:31.1 > quantile:<quantile:0.9 value:41.3 > quantile:<quantile:0.99 value:41.9 > > >
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want := `
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name: "pond_temperature_celsius"
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help: "The temperature of the frog pond."
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type: SUMMARY
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metric: {
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label: {
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name: "species"
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value: "leiopelma-hochstetteri"
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}
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summary: {
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sample_count: 0
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sample_sum: 0
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quantile: {
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quantile: 0.5
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value: nan
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}
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quantile: {
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quantile: 0.9
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value: nan
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}
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quantile: {
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quantile: 0.99
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value: nan
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}
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}
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}
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metric: {
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label: {
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name: "species"
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value: "lithobates-catesbeianus"
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}
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summary: {
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sample_count: 1000
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sample_sum: 31956.100000000017
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quantile: {
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quantile: 0.5
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value: 32.4
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}
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quantile: {
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quantile: 0.9
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value: 41.4
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}
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quantile: {
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quantile: 0.99
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value: 41.9
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}
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}
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}
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metric: {
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label: {
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name: "species"
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value: "litoria-caerulea"
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}
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summary: {
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sample_count: 1000
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sample_sum: 29969.50000000001
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quantile: {
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quantile: 0.5
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value: 31.1
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}
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quantile: {
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quantile: 0.9
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value: 41.3
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}
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quantile: {
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quantile: 0.99
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value: 41.9
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}
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}
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}
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`
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if err := testutil.CompareProtoAndMetricFamily(want, metricFamilies[0]); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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func ExampleNewConstSummary() {
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func TestExampleNewConstSummary(t *testing.T) {
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desc := prometheus.NewDesc(
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"http_request_duration_seconds",
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"A summary of the HTTP request durations.",
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@ -381,13 +476,41 @@ func ExampleNewConstSummary() {
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// internally).
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metric := &dto.Metric{}
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s.Write(metric)
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fmt.Println(metric.String())
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fmt.Println(prototext.Format(metric))
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// Output:
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// label:<name:"code" value:"200" > label:<name:"method" value:"get" > label:<name:"owner" value:"example" > summary:<sample_count:4711 sample_sum:403.34 quantile:<quantile:0.5 value:42.3 > quantile:<quantile:0.9 value:323.3 > >
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want := `
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label: {
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name: "code"
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value: "200"
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}
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label: {
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name: "method"
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value: "get"
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}
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label: {
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name: "owner"
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value: "example"
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}
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summary: {
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sample_count: 4711
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sample_sum: 403.34
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quantile: {
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quantile: 0.5
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value: 42.3
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}
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quantile: {
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quantile: 0.9
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value: 323.3
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}
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}
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`
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if err := testutil.CompareProtoAndMetric(want, metric); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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func ExampleHistogram() {
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func TestExampleHistogram(t *testing.T) {
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temps := prometheus.NewHistogram(prometheus.HistogramOpts{
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Name: "pond_temperature_celsius",
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Help: "The temperature of the frog pond.", // Sorry, we can't measure how badly it smells.
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@ -404,13 +527,41 @@ func ExampleHistogram() {
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// internally).
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metric := &dto.Metric{}
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temps.Write(metric)
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fmt.Println(metric.String())
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fmt.Println(prototext.Format(metric))
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// Output:
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// histogram:<sample_count:1000 sample_sum:29969.50000000001 bucket:<cumulative_count:192 upper_bound:20 > bucket:<cumulative_count:366 upper_bound:25 > bucket:<cumulative_count:501 upper_bound:30 > bucket:<cumulative_count:638 upper_bound:35 > bucket:<cumulative_count:816 upper_bound:40 > >
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want := `
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histogram: {
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sample_count: 1000
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sample_sum: 29969.50000000001
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bucket: {
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cumulative_count: 192
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upper_bound: 20
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}
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bucket: {
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cumulative_count: 366
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upper_bound: 25
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}
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bucket: {
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cumulative_count: 501
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upper_bound: 30
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}
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bucket: {
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cumulative_count: 638
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upper_bound: 35
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}
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bucket: {
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cumulative_count: 816
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upper_bound: 40
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}
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}
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`
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if err := testutil.CompareProtoAndMetric(want, metric); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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func ExampleNewConstHistogram() {
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func TestExampleNewConstHistogram(t *testing.T) {
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desc := prometheus.NewDesc(
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"http_request_duration_seconds",
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"A histogram of the HTTP request durations.",
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@ -431,13 +582,49 @@ func ExampleNewConstHistogram() {
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// internally).
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metric := &dto.Metric{}
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h.Write(metric)
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fmt.Println(metric.String())
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fmt.Println(prototext.Format(metric))
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// Output:
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// label:<name:"code" value:"200" > label:<name:"method" value:"get" > label:<name:"owner" value:"example" > histogram:<sample_count:4711 sample_sum:403.34 bucket:<cumulative_count:121 upper_bound:25 > bucket:<cumulative_count:2403 upper_bound:50 > bucket:<cumulative_count:3221 upper_bound:100 > bucket:<cumulative_count:4233 upper_bound:200 > >
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want := `
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label: {
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name: "code"
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value: "200"
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}
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label: {
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name: "method"
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value: "get"
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}
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label: {
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name: "owner"
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value: "example"
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}
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histogram: {
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sample_count: 4711
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sample_sum: 403.34
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bucket: {
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cumulative_count: 121
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upper_bound: 25
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}
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bucket: {
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cumulative_count: 2403
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upper_bound: 50
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}
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bucket: {
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cumulative_count: 3221
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upper_bound: 100
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}
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bucket: {
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cumulative_count: 4233
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upper_bound: 200
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}
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}
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`
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if err := testutil.CompareProtoAndMetric(want, metric); err != nil {
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t.Errorf("Summary didn't match: %s", err)
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}
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}
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func ExampleNewConstHistogram_WithExemplar() {
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func TestExampleNewConstHistogram_WithExemplar(t *testing.T) {
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desc := prometheus.NewDesc(
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"http_request_duration_seconds",
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"A histogram of the HTTP request durations.",
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@ -469,10 +656,86 @@ func ExampleNewConstHistogram_WithExemplar() {
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// internally).
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metric := &dto.Metric{}
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h.Write(metric)
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fmt.Println(metric.String())
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fmt.Println(prototext.Format(metric))
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// Output:
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// label:<name:"code" value:"200" > label:<name:"method" value:"get" > label:<name:"owner" value:"example" > histogram:<sample_count:4711 sample_sum:403.34 bucket:<cumulative_count:121 upper_bound:25 exemplar:<label:<name:"testName" value:"testVal" > value:24 timestamp:<seconds:1136214245 > > > bucket:<cumulative_count:2403 upper_bound:50 exemplar:<label:<name:"testName" value:"testVal" > value:42 timestamp:<seconds:1136214245 > > > bucket:<cumulative_count:3221 upper_bound:100 exemplar:<label:<name:"testName" value:"testVal" > value:89 timestamp:<seconds:1136214245 > > > bucket:<cumulative_count:4233 upper_bound:200 exemplar:<label:<name:"testName" value:"testVal" > value:157 timestamp:<seconds:1136214245 > > > >
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want := `
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label: {
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name: "code"
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value: "200"
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}
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label: {
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name: "method"
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value: "get"
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}
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label: {
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name: "owner"
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value: "example"
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}
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histogram: {
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sample_count: 4711
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sample_sum: 403.34
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bucket: {
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cumulative_count: 121
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upper_bound: 25
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exemplar: {
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label: {
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name: "testName"
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value: "testVal"
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}
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value: 24
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timestamp: {
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seconds: 1136214245
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}
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}
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}
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bucket: {
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cumulative_count: 2403
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upper_bound: 50
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exemplar: {
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label: {
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name: "testName"
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value: "testVal"
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}
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value: 42
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timestamp: {
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seconds: 1136214245
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}
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}
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}
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bucket: {
|
||||
cumulative_count: 3221
|
||||
upper_bound: 100
|
||||
exemplar: {
|
||||
label: {
|
||||
name: "testName"
|
||||
value: "testVal"
|
||||
}
|
||||
value: 89
|
||||
timestamp: {
|
||||
seconds: 1136214245
|
||||
}
|
||||
}
|
||||
}
|
||||
bucket: {
|
||||
cumulative_count: 4233
|
||||
upper_bound: 200
|
||||
exemplar: {
|
||||
label: {
|
||||
name: "testName"
|
||||
value: "testVal"
|
||||
}
|
||||
value: 157
|
||||
timestamp: {
|
||||
seconds: 1136214245
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
`
|
||||
|
||||
if err := testutil.CompareProtoAndMetric(want, metric); err != nil {
|
||||
t.Errorf("Summary didn't match: %s", err)
|
||||
}
|
||||
}
|
||||
|
||||
func ExampleAlreadyRegisteredError() {
|
||||
|
@ -589,7 +852,7 @@ temperature_kelvin 4.5
|
|||
// temperature_kelvin{location="outside"} 273.14
|
||||
// temperature_kelvin{location="somewhere else"} 4.5
|
||||
// ----------
|
||||
// collected metric "temperature_kelvin" { label:<name:"location" value:"outside" > gauge:<value:265.3 > } was collected before with the same name and label values
|
||||
// collected metric "temperature_kelvin" { label:{name:"location" value:"outside"} gauge:{value:265.3}} was collected before with the same name and label values
|
||||
// # HELP humidity_percent Humidity in %.
|
||||
// # TYPE humidity_percent gauge
|
||||
// humidity_percent{location="inside"} 33.2
|
||||
|
@ -601,7 +864,7 @@ temperature_kelvin 4.5
|
|||
// temperature_kelvin{location="outside"} 273.14
|
||||
}
|
||||
|
||||
func ExampleNewMetricWithTimestamp() {
|
||||
func TestExampleNewMetricWithTimestamp(t *testing.T) {
|
||||
desc := prometheus.NewDesc(
|
||||
"temperature_kelvin",
|
||||
"Current temperature in Kelvin.",
|
||||
|
@ -625,8 +888,16 @@ func ExampleNewMetricWithTimestamp() {
|
|||
// internally).
|
||||
metric := &dto.Metric{}
|
||||
s.Write(metric)
|
||||
fmt.Println(metric.String())
|
||||
fmt.Println(prototext.Format(metric))
|
||||
|
||||
// Output:
|
||||
// gauge:<value:298.15 > timestamp_ms:1257894000012
|
||||
want := `
|
||||
gauge: {
|
||||
value: 298.15
|
||||
}
|
||||
timestamp_ms: 1257894000012
|
||||
`
|
||||
|
||||
if err := testutil.CompareProtoAndMetric(want, metric); err != nil {
|
||||
t.Errorf("Summary didn't match: %s", err)
|
||||
}
|
||||
}
|
||||
|
|
|
@ -15,16 +15,16 @@ package prometheus_test
|
|||
|
||||
import (
|
||||
"expvar"
|
||||
"fmt"
|
||||
"sort"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
dto "github.com/prometheus/client_model/go"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/client_golang/prometheus/testutil"
|
||||
)
|
||||
|
||||
func ExampleNewExpvarCollector() {
|
||||
func TestExampleNewExpvarCollector(t *testing.T) {
|
||||
expvarCollector := prometheus.NewExpvarCollector(map[string]*prometheus.Desc{
|
||||
"memstats": prometheus.NewDesc(
|
||||
"expvar_memstats",
|
||||
|
@ -70,7 +70,6 @@ func ExampleNewExpvarCollector() {
|
|||
// "http-request-count": {"200": {"POST": 11, "GET": 212}, "404": {"POST": 3, "GET": 13}}
|
||||
|
||||
// Let's see what the scrape would yield, but exclude the memstats metrics.
|
||||
metricStrings := []string{}
|
||||
metric := dto.Metric{}
|
||||
metricChan := make(chan prometheus.Metric)
|
||||
go func() {
|
||||
|
@ -79,19 +78,20 @@ func ExampleNewExpvarCollector() {
|
|||
}()
|
||||
for m := range metricChan {
|
||||
if !strings.Contains(m.Desc().String(), "expvar_memstats") {
|
||||
metric.Reset()
|
||||
m.Write(&metric)
|
||||
metricStrings = append(metricStrings, metric.String())
|
||||
}
|
||||
}
|
||||
sort.Strings(metricStrings)
|
||||
for _, s := range metricStrings {
|
||||
fmt.Println(strings.TrimRight(s, " "))
|
||||
|
||||
want := `label:{name:"code" value:"200"} label:{name:"method" value:"GET"} untyped:{value:212}`
|
||||
|
||||
if err := testutil.CompareProtoAndMetric(want, &metric); err != nil {
|
||||
t.Errorf("Summary didn't match: %s", err)
|
||||
}
|
||||
|
||||
// Output:
|
||||
// label:<name:"code" value:"200" > label:<name:"method" value:"GET" > untyped:<value:212 >
|
||||
// label:<name:"code" value:"200" > label:<name:"method" value:"POST" > untyped:<value:11 >
|
||||
// label:<name:"code" value:"404" > label:<name:"method" value:"GET" > untyped:<value:13 >
|
||||
// label:<name:"code" value:"404" > label:<name:"method" value:"POST" > untyped:<value:3 >
|
||||
// untyped:<value:42 >
|
||||
// label:{name:"code" value:"200"} label:{name:"method" value:"GET"} untyped:{value:212}
|
||||
// label:{name:"code" value:"200"} label:{name:"method" value:"POST"} untyped:{value:11}
|
||||
// label:{name:"code" value:"404"} label:{name:"method" value:"GET"} untyped:{value:13}
|
||||
// label:{name:"code" value:"404"} label:{name:"method" value:"POST"} untyped:{value:3}
|
||||
// untyped:{value:42}
|
||||
}
|
||||
|
|
|
@ -177,8 +177,10 @@ func TestGaugeFunc(t *testing.T) {
|
|||
m := &dto.Metric{}
|
||||
gf.Write(m)
|
||||
|
||||
if expected, got := `label:<name:"a" value:"1" > label:<name:"b" value:"2" > gauge:<value:3.1415 > `, m.String(); expected != got {
|
||||
t.Errorf("expected %q, got %q", expected, got)
|
||||
want := `label:{name:"a" value:"1"} label:{name:"b" value:"2"} gauge:{value:3.1415}`
|
||||
|
||||
if err := compareProtoAndMetric(want, m); err != nil {
|
||||
t.Errorf("Summary didn't match: %s", err)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -483,19 +483,19 @@ func TestNativeHistogram(t *testing.T) {
|
|||
name: "no sparse buckets",
|
||||
observations: []float64{1, 2, 3},
|
||||
factor: 1,
|
||||
want: `sample_count:3 sample_sum:6 bucket:<cumulative_count:0 upper_bound:0.005 > bucket:<cumulative_count:0 upper_bound:0.01 > bucket:<cumulative_count:0 upper_bound:0.025 > bucket:<cumulative_count:0 upper_bound:0.05 > bucket:<cumulative_count:0 upper_bound:0.1 > bucket:<cumulative_count:0 upper_bound:0.25 > bucket:<cumulative_count:0 upper_bound:0.5 > bucket:<cumulative_count:1 upper_bound:1 > bucket:<cumulative_count:2 upper_bound:2.5 > bucket:<cumulative_count:3 upper_bound:5 > bucket:<cumulative_count:3 upper_bound:10 > `, // Has conventional buckets because there are no sparse buckets.
|
||||
want: `histogram{sample_count:3 sample_sum:6 bucket:{cumulative_count:0 upper_bound:0.005} bucket:{cumulative_count:0 upper_bound:0.01} bucket:{cumulative_count:0 upper_bound:0.025} bucket:{cumulative_count:0 upper_bound:0.05} bucket:{cumulative_count:0 upper_bound:0.1} bucket:{cumulative_count:0 upper_bound:0.25} bucket:{cumulative_count:0 upper_bound:0.5} bucket:{cumulative_count:1 upper_bound:1} bucket:{cumulative_count:2 upper_bound:2.5} bucket:{cumulative_count:3 upper_bound:5} bucket:{cumulative_count:3 upper_bound:10}}`, // Has conventional buckets because there are no sparse buckets.
|
||||
},
|
||||
{
|
||||
name: "factor 1.1 results in schema 3",
|
||||
observations: []float64{0, 1, 2, 3},
|
||||
factor: 1.1,
|
||||
want: `sample_count:4 sample_sum:6 schema:3 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:<offset:0 length:1 > positive_span:<offset:7 length:1 > positive_span:<offset:4 length:1 > positive_delta:1 positive_delta:0 positive_delta:0 `,
|
||||
want: `histogram{sample_count:4 sample_sum:6 schema:3 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:{offset:0 length:1} positive_span:{offset:7 length:1} positive_span:{offset:4 length:1} positive_delta:1 positive_delta:0 positive_delta:0}`,
|
||||
},
|
||||
{
|
||||
name: "factor 1.2 results in schema 2",
|
||||
observations: []float64{0, 1, 1.2, 1.4, 1.8, 2},
|
||||
factor: 1.2,
|
||||
want: `sample_count:6 sample_sum:7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:<offset:0 length:5 > positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 `,
|
||||
want: `histogram{sample_count:6 sample_sum:7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:{offset:0 length:5} positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "factor 4 results in schema -1",
|
||||
|
@ -506,7 +506,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
33.33, // Bucket 3: (16, 64]
|
||||
},
|
||||
factor: 4,
|
||||
want: `sample_count:10 sample_sum:62.83 schema:-1 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:0 length:4 > positive_delta:2 positive_delta:2 positive_delta:-1 positive_delta:-2 `,
|
||||
want: `histogram{sample_count:10 sample_sum:62.83 schema:-1 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:{offset:0 length:4} positive_delta:2 positive_delta:2 positive_delta:-1 positive_delta:-2}`,
|
||||
},
|
||||
{
|
||||
name: "factor 17 results in schema -2",
|
||||
|
@ -516,58 +516,58 @@ func TestNativeHistogram(t *testing.T) {
|
|||
33.33, // Bucket 2: (16, 256]
|
||||
},
|
||||
factor: 17,
|
||||
want: `sample_count:10 sample_sum:62.83 schema:-2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:0 length:3 > positive_delta:2 positive_delta:5 positive_delta:-6 `,
|
||||
want: `histogram{sample_count:10 sample_sum:62.83 schema:-2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:{offset:0 length:3} positive_delta:2 positive_delta:5 positive_delta:-6}`,
|
||||
},
|
||||
{
|
||||
name: "negative buckets",
|
||||
observations: []float64{0, -1, -1.2, -1.4, -1.8, -2},
|
||||
factor: 1.2,
|
||||
want: `sample_count:6 sample_sum:-7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:<offset:0 length:5 > negative_delta:1 negative_delta:-1 negative_delta:2 negative_delta:-2 negative_delta:2 `,
|
||||
want: `histogram{sample_count:6 sample_sum:-7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:{offset:0 length:5} negative_delta:1 negative_delta:-1 negative_delta:2 negative_delta:-2 negative_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "negative and positive buckets",
|
||||
observations: []float64{0, -1, -1.2, -1.4, -1.8, -2, 1, 1.2, 1.4, 1.8, 2},
|
||||
factor: 1.2,
|
||||
want: `sample_count:11 sample_sum:0 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:<offset:0 length:5 > negative_delta:1 negative_delta:-1 negative_delta:2 negative_delta:-2 negative_delta:2 positive_span:<offset:0 length:5 > positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 `,
|
||||
want: `histogram{sample_count:11 sample_sum:0 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:{offset:0 length:5} negative_delta:1 negative_delta:-1 negative_delta:2 negative_delta:-2 negative_delta:2 positive_span:{offset:0 length:5} positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "wide zero bucket",
|
||||
observations: []float64{0, -1, -1.2, -1.4, -1.8, -2, 1, 1.2, 1.4, 1.8, 2},
|
||||
factor: 1.2,
|
||||
zeroThreshold: 1.4,
|
||||
want: `sample_count:11 sample_sum:0 schema:2 zero_threshold:1.4 zero_count:7 negative_span:<offset:4 length:1 > negative_delta:2 positive_span:<offset:4 length:1 > positive_delta:2 `,
|
||||
want: `histogram{sample_count:11 sample_sum:0 schema:2 zero_threshold:1.4 zero_count:7 negative_span:{offset:4 length:1} negative_delta:2 positive_span:{offset:4 length:1} positive_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "NaN observation",
|
||||
observations: []float64{0, 1, 1.2, 1.4, 1.8, 2, math.NaN()},
|
||||
factor: 1.2,
|
||||
want: `sample_count:7 sample_sum:nan schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:<offset:0 length:5 > positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 `,
|
||||
want: `histogram{sample_count:7 sample_sum:nan schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:{offset:0 length:5} positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "+Inf observation",
|
||||
observations: []float64{0, 1, 1.2, 1.4, 1.8, 2, math.Inf(+1)},
|
||||
factor: 1.2,
|
||||
want: `sample_count:7 sample_sum:inf schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:<offset:0 length:5 > positive_span:<offset:4092 length:1 > positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 positive_delta:-1 `,
|
||||
want: `histogram{sample_count:7 sample_sum:inf schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:{offset:0 length:5} positive_span:{offset:4092 length:1} positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 positive_delta:-1}`,
|
||||
},
|
||||
{
|
||||
name: "-Inf observation",
|
||||
observations: []float64{0, 1, 1.2, 1.4, 1.8, 2, math.Inf(-1)},
|
||||
factor: 1.2,
|
||||
want: `sample_count:7 sample_sum:-inf schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:<offset:4097 length:1 > negative_delta:1 positive_span:<offset:0 length:5 > positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 `,
|
||||
want: `histogram{sample_count:7 sample_sum:-inf schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:{offset:4097 length:1} negative_delta:1 positive_span:{offset:0 length:5} positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "limited buckets but nothing triggered",
|
||||
observations: []float64{0, 1, 1.2, 1.4, 1.8, 2},
|
||||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
want: `sample_count:6 sample_sum:7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:<offset:0 length:5 > positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2 `,
|
||||
want: `histogram{sample_count:6 sample_sum:7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:{offset:0 length:5} positive_delta:1 positive_delta:-1 positive_delta:2 positive_delta:-2 positive_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by halving resolution",
|
||||
observations: []float64{0, 1, 1.1, 1.2, 1.4, 1.8, 2, 3},
|
||||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
want: `sample_count:8 sample_sum:11.5 schema:1 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:<offset:0 length:5 > positive_delta:1 positive_delta:2 positive_delta:-1 positive_delta:-2 positive_delta:1 `,
|
||||
want: `histogram{sample_count:8 sample_sum:11.5 schema:1 zero_threshold:2.938735877055719e-39 zero_count:1 positive_span:{offset:0 length:5} positive_delta:1 positive_delta:2 positive_delta:-1 positive_delta:-2 positive_delta:1}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket",
|
||||
|
@ -575,7 +575,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
want: `sample_count:8 sample_sum:11.5 schema:2 zero_threshold:1 zero_count:2 positive_span:<offset:1 length:7 > positive_delta:1 positive_delta:1 positive_delta:-2 positive_delta:2 positive_delta:-2 positive_delta:0 positive_delta:1 `,
|
||||
want: `histogram{sample_count:8 sample_sum:11.5 schema:2 zero_threshold:1 zero_count:2 positive_span:{offset:1 length:7} positive_delta:1 positive_delta:1 positive_delta:-2 positive_delta:2 positive_delta:-2 positive_delta:0 positive_delta:1}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket twice",
|
||||
|
@ -583,7 +583,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
want: `sample_count:9 sample_sum:15.5 schema:2 zero_threshold:1.189207115002721 zero_count:3 positive_span:<offset:2 length:7 > positive_delta:2 positive_delta:-2 positive_delta:2 positive_delta:-2 positive_delta:0 positive_delta:1 positive_delta:0 `,
|
||||
want: `histogram{sample_count:9 sample_sum:15.5 schema:2 zero_threshold:1.189207115002721 zero_count:3 positive_span:{offset:2 length:7} positive_delta:2 positive_delta:-2 positive_delta:2 positive_delta:-2 positive_delta:0 positive_delta:1 positive_delta:0}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by reset",
|
||||
|
@ -592,21 +592,21 @@ func TestNativeHistogram(t *testing.T) {
|
|||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
minResetDuration: 5 * time.Minute,
|
||||
want: `sample_count:2 sample_sum:7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:7 length:2 > positive_delta:1 positive_delta:0 `,
|
||||
want: `histogram{sample_count:2 sample_sum:7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:{offset:7 length:2} positive_delta:1 positive_delta:0}`,
|
||||
},
|
||||
{
|
||||
name: "limited buckets but nothing triggered, negative observations",
|
||||
observations: []float64{0, -1, -1.2, -1.4, -1.8, -2},
|
||||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
want: `sample_count:6 sample_sum:-7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:<offset:0 length:5 > negative_delta:1 negative_delta:-1 negative_delta:2 negative_delta:-2 negative_delta:2 `,
|
||||
want: `histogram{sample_count:6 sample_sum:-7.4 schema:2 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:{offset:0 length:5} negative_delta:1 negative_delta:-1 negative_delta:2 negative_delta:-2 negative_delta:2}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by halving resolution, negative observations",
|
||||
observations: []float64{0, -1, -1.1, -1.2, -1.4, -1.8, -2, -3},
|
||||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
want: `sample_count:8 sample_sum:-11.5 schema:1 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:<offset:0 length:5 > negative_delta:1 negative_delta:2 negative_delta:-1 negative_delta:-2 negative_delta:1 `,
|
||||
want: `histogram{sample_count:8 sample_sum:-11.5 schema:1 zero_threshold:2.938735877055719e-39 zero_count:1 negative_span:{offset:0 length:5} negative_delta:1 negative_delta:2 negative_delta:-1 negative_delta:-2 negative_delta:1}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket, negative observations",
|
||||
|
@ -614,7 +614,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
want: `sample_count:8 sample_sum:-11.5 schema:2 zero_threshold:1 zero_count:2 negative_span:<offset:1 length:7 > negative_delta:1 negative_delta:1 negative_delta:-2 negative_delta:2 negative_delta:-2 negative_delta:0 negative_delta:1 `,
|
||||
want: `histogram{sample_count:8 sample_sum:-11.5 schema:2 zero_threshold:1 zero_count:2 negative_span:{offset:1 length:7} negative_delta:1 negative_delta:1 negative_delta:-2 negative_delta:2 negative_delta:-2 negative_delta:0 negative_delta:1}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket twice, negative observations",
|
||||
|
@ -622,7 +622,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
want: `sample_count:9 sample_sum:-15.5 schema:2 zero_threshold:1.189207115002721 zero_count:3 negative_span:<offset:2 length:7 > negative_delta:2 negative_delta:-2 negative_delta:2 negative_delta:-2 negative_delta:0 negative_delta:1 negative_delta:0 `,
|
||||
want: `histogram{sample_count:9 sample_sum:-15.5 schema:2 zero_threshold:1.189207115002721 zero_count:3 negative_span:{offset:2 length:7} negative_delta:2 negative_delta:-2 negative_delta:2 negative_delta:-2 negative_delta:0 negative_delta:1 negative_delta:0}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by reset, negative observations",
|
||||
|
@ -631,7 +631,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
minResetDuration: 5 * time.Minute,
|
||||
want: `sample_count:2 sample_sum:-7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 negative_span:<offset:7 length:2 > negative_delta:1 negative_delta:0 `,
|
||||
want: `histogram{sample_count:2 sample_sum:-7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 negative_span:{offset:7 length:2} negative_delta:1 negative_delta:0}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by halving resolution, then reset",
|
||||
|
@ -639,7 +639,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
factor: 1.2,
|
||||
maxBuckets: 4,
|
||||
minResetDuration: 9 * time.Minute,
|
||||
want: `sample_count:2 sample_sum:7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:7 length:2 > positive_delta:1 positive_delta:0 `,
|
||||
want: `histogram{sample_count:2 sample_sum:7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:{offset:7 length:2} positive_delta:1 positive_delta:0}`,
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket, then reset",
|
||||
|
@ -648,7 +648,7 @@ func TestNativeHistogram(t *testing.T) {
|
|||
maxBuckets: 4,
|
||||
maxZeroThreshold: 1.2,
|
||||
minResetDuration: 9 * time.Minute,
|
||||
want: `sample_count:2 sample_sum:7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:7 length:2 > positive_delta:1 positive_delta:0 `,
|
||||
want: `histogram{sample_count:2 sample_sum:7 schema:2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:{offset:7 length:2} positive_delta:1 positive_delta:0}`,
|
||||
},
|
||||
}
|
||||
|
||||
|
@ -676,9 +676,8 @@ func TestNativeHistogram(t *testing.T) {
|
|||
if err := his.Write(m); err != nil {
|
||||
t.Fatal("unexpected error writing metric", err)
|
||||
}
|
||||
got := m.Histogram.String()
|
||||
if s.want != got {
|
||||
t.Errorf("want histogram %q, got %q", s.want, got)
|
||||
if err := compareProtoAndMetric(s.want, m); err != nil {
|
||||
t.Errorf("want histogram %q, got %q", s.want, m)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
|
|
@ -14,7 +14,9 @@
|
|||
package prometheus
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
"sort"
|
||||
"strings"
|
||||
|
@ -22,6 +24,7 @@ import (
|
|||
|
||||
dto "github.com/prometheus/client_model/go"
|
||||
"github.com/prometheus/common/model"
|
||||
"google.golang.org/protobuf/encoding/prototext"
|
||||
"google.golang.org/protobuf/proto"
|
||||
)
|
||||
|
||||
|
@ -252,3 +255,33 @@ func MustNewMetricWithExemplars(m Metric, exemplars ...Exemplar) Metric {
|
|||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
// compareProtoAndMetric compares a text proto to a Metric.
|
||||
//
|
||||
// It jumps through a few hoops because the current protobuf
|
||||
// implementation is deliberately creating an unstable formatting for the text
|
||||
// representation. So this takes the text representation of the expected
|
||||
// Metric and unmarshals it into a proto message object first. Then it
|
||||
// marshals both the expected and the got proto message into a binary protobuf,
|
||||
// which it then compares.
|
||||
func compareProtoAndMetric(wantText string, got *dto.Metric) error {
|
||||
want := &dto.Metric{}
|
||||
err := prototext.Unmarshal([]byte(wantText), want)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error unmarshaling Metric text %v", wantText)
|
||||
}
|
||||
wantProto, err := proto.Marshal(want)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error marshaling Metric %v", want)
|
||||
}
|
||||
|
||||
gotProto, err := proto.Marshal(got)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error marshaling Metric %v", got)
|
||||
}
|
||||
|
||||
if bytes.Compare(wantProto, gotProto) != 0 {
|
||||
return fmt.Errorf("Wanted Metric %v, got %v.", want, got)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
|
@ -45,11 +45,12 @@ import (
|
|||
"reflect"
|
||||
|
||||
"github.com/davecgh/go-spew/spew"
|
||||
dto "github.com/prometheus/client_model/go"
|
||||
"github.com/prometheus/common/expfmt"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/client_golang/prometheus/internal"
|
||||
dto "github.com/prometheus/client_model/go"
|
||||
"github.com/prometheus/common/expfmt"
|
||||
"google.golang.org/protobuf/encoding/prototext"
|
||||
"google.golang.org/protobuf/proto"
|
||||
)
|
||||
|
||||
// ToFloat64 collects all Metrics from the provided Collector. It expects that
|
||||
|
@ -341,3 +342,63 @@ func filterMetrics(metrics []*dto.MetricFamily, names []string) []*dto.MetricFam
|
|||
}
|
||||
return filtered
|
||||
}
|
||||
|
||||
// CompareProtoAndMetric compares a text proto to a MetricFamily.
|
||||
//
|
||||
// It jumps through a few hoops because the current protobuf
|
||||
// implementation is deliberately creating an unstable formatting for the text
|
||||
// representation. So this takes the text representation of the expected
|
||||
// MetricFamily and unmarshals it into a proto message object first. Then it
|
||||
// marshals both the expected and the got proto message into a binary protobuf,
|
||||
// which it then compares.
|
||||
func CompareProtoAndMetric(wantText string, got *dto.Metric) error {
|
||||
want := &dto.Metric{}
|
||||
err := prototext.Unmarshal([]byte(wantText), want)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error unmarshaling Metric text %v", wantText)
|
||||
}
|
||||
wantProto, err := proto.Marshal(want)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error marshaling Metric %v", want)
|
||||
}
|
||||
|
||||
gotProto, err := proto.Marshal(got)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error marshaling Metric %v", got)
|
||||
}
|
||||
|
||||
if bytes.Compare(wantProto, gotProto) != 0 {
|
||||
return fmt.Errorf("Wanted Metric %v, got %v.", want, got)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// CompareProtoAndMetricFamily compares a text proto to a MetricFamily.
|
||||
//
|
||||
// It jumps through a few hoops because the current protobuf
|
||||
// implementation is deliberately creating an unstable formatting for the text
|
||||
// representation. So this takes the text representation of the expected
|
||||
// MetricFamily and unmarshals it into a proto message object first. Then it
|
||||
// marshals both the expected and the got proto message into a binary protobuf,
|
||||
// which it then compares.
|
||||
func CompareProtoAndMetricFamily(wantText string, got *dto.MetricFamily) error {
|
||||
want := &dto.MetricFamily{}
|
||||
err := prototext.Unmarshal([]byte(wantText), want)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error unmarshaling MetricFamily text %v", wantText)
|
||||
}
|
||||
wantProto, err := proto.Marshal(want)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error marshaling MetricFamily %v", want)
|
||||
}
|
||||
|
||||
gotProto, err := proto.Marshal(got)
|
||||
if err != nil {
|
||||
return fmt.Errorf("unexpected error marshaling MetricFamily %v", got)
|
||||
}
|
||||
|
||||
if bytes.Compare(wantProto, gotProto) != 0 {
|
||||
return fmt.Errorf("Wanted MetricFamily %v, got %v.", want, got)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue