Bump prometheus/client_model (#1323)
By upgrading prometheus/client_model, several test functions had to be re-written due to 2 breaking changes made in protobuf when parsing messages to text:
1. '<' and '>' characters were replaced with '{' and '}' respectively.
2. The text format is non-deterministic. More information in https://github.com/golang/protobuf/issues/1121
Signed-off-by: Arthur Silva Sens <arthur.sens@coralogix.com>
This commit is contained in:
Arthur Silva Sens
GitHub
parent
06d4592b1c
commit
1a88780343
2
go.mod
2
go.mod
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@ -7,7 +7,7 @@ require (
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github.com/cespare/xxhash/v2 v2.2.0
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github.com/davecgh/go-spew v1.1.1
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github.com/json-iterator/go v1.1.12
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github.com/prometheus/client_model v0.3.0
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github.com/prometheus/client_model v0.4.0
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github.com/prometheus/common v0.42.0
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github.com/prometheus/procfs v0.11.1
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golang.org/x/sys v0.10.0
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3
go.sum
3
go.sum
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@ -151,8 +151,9 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
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github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
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github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
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github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
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github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
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github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
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github.com/prometheus/client_model v0.4.0 h1:5lQXD3cAg1OXBf4Wq03gTrXHeaV0TQvGfUooCfx1yqY=
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github.com/prometheus/client_model v0.4.0/go.mod h1:oMQmHW1/JoDwqLtg57MGgP/Fb1CJEYF2imWWhWtMkYU=
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github.com/prometheus/common v0.37.0/go.mod h1:phzohg0JFMnBEFGxTDbfu3QyL5GI8gTQJFhYO5B3mfA=
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github.com/prometheus/common v0.42.0 h1:EKsfXEYo4JpWMHH5cg+KOUWeuJSov1Id8zGR8eeI1YM=
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github.com/prometheus/common v0.42.0/go.mod h1:xBwqVerjNdUDjgODMpudtOMwlOwf2SaTr1yjz4b7Zbc=
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@ -61,8 +61,15 @@ 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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expected := &dto.Metric{
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Label: []*dto.LabelPair{
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{Name: proto.String("a"), Value: proto.String("1")},
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{Name: proto.String("b"), Value: proto.String("2")},
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},
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Counter: &dto.Counter{Value: proto.Float64(67.42)},
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}
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if !proto.Equal(expected, m) {
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t.Errorf("expected %q, got %q", expected, m)
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}
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}
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@ -164,8 +171,14 @@ 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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expected := &dto.Metric{
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Counter: &dto.Counter{
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Value: proto.Float64(math.Inf(1)),
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},
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}
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if !proto.Equal(expected, m) {
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t.Errorf("expected %q, got %q", expected, m)
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}
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}
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@ -188,8 +201,14 @@ 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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expected := &dto.Metric{
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Counter: &dto.Counter{
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Value: proto.Float64(large),
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},
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}
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if !proto.Equal(expected, m) {
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t.Errorf("expected %q, got %q", expected, m)
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}
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}
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@ -210,8 +229,14 @@ 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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expected := &dto.Metric{
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Counter: &dto.Counter{
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Value: proto.Float64(small),
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},
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}
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if !proto.Equal(expected, m) {
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t.Errorf("expected %q, got %q", expected, m)
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}
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}
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@ -14,8 +14,6 @@
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package prometheus_test
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import (
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"fmt"
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"google.golang.org/protobuf/proto"
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dto "github.com/prometheus/client_model/go"
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@ -126,8 +124,8 @@ 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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printlnNormalized(metricFamilies[0])
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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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// {"name":"library_version_info","help":"Versions of the libraries used in this binary.","type":"GAUGE","metric":[{"label":[{"name":"library","value":"k8s.io/client-go"},{"name":"version","value":"0.18.8"}],"gauge":{"value":1}},{"label":[{"name":"library","value":"prometheus/client_golang"},{"name":"version","value":"1.7.1"}],"gauge":{"value":1}}]}
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}
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@ -319,10 +319,11 @@ 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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printlnNormalized(metric)
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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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// {"summary":{"sampleCount":"1000","sampleSum":29969.50000000001,"quantile":[{"quantile":0.5,"value":31.1},{"quantile":0.9,"value":41.3},{"quantile":0.99,"value":41.9}]}}
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}
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func ExampleSummaryVec() {
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@ -354,10 +355,10 @@ 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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printlnNormalized(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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// {"name":"pond_temperature_celsius","help":"The temperature of the frog pond.","type":"SUMMARY","metric":[{"label":[{"name":"species","value":"leiopelma-hochstetteri"}],"summary":{"sampleCount":"0","sampleSum":0,"quantile":[{"quantile":0.5,"value":"NaN"},{"quantile":0.9,"value":"NaN"},{"quantile":0.99,"value":"NaN"}]}},{"label":[{"name":"species","value":"lithobates-catesbeianus"}],"summary":{"sampleCount":"1000","sampleSum":31956.100000000017,"quantile":[{"quantile":0.5,"value":32.4},{"quantile":0.9,"value":41.4},{"quantile":0.99,"value":41.9}]}},{"label":[{"name":"species","value":"litoria-caerulea"}],"summary":{"sampleCount":"1000","sampleSum":29969.50000000001,"quantile":[{"quantile":0.5,"value":31.1},{"quantile":0.9,"value":41.3},{"quantile":0.99,"value":41.9}]}}]}
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}
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func ExampleNewConstSummary() {
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@ -381,10 +382,10 @@ 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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printlnNormalized(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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// {"label":[{"name":"code","value":"200"},{"name":"method","value":"get"},{"name":"owner","value":"example"}],"summary":{"sampleCount":"4711","sampleSum":403.34,"quantile":[{"quantile":0.5,"value":42.3},{"quantile":0.9,"value":323.3}]}}
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}
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func ExampleHistogram() {
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@ -404,10 +405,10 @@ 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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printlnNormalized(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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// {"histogram":{"sampleCount":"1000","sampleSum":29969.50000000001,"bucket":[{"cumulativeCount":"192","upperBound":20},{"cumulativeCount":"366","upperBound":25},{"cumulativeCount":"501","upperBound":30},{"cumulativeCount":"638","upperBound":35},{"cumulativeCount":"816","upperBound":40}]}}
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}
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func ExampleNewConstHistogram() {
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@ -431,10 +432,10 @@ 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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printlnNormalized(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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// {"label":[{"name":"code","value":"200"},{"name":"method","value":"get"},{"name":"owner","value":"example"}],"histogram":{"sampleCount":"4711","sampleSum":403.34,"bucket":[{"cumulativeCount":"121","upperBound":25},{"cumulativeCount":"2403","upperBound":50},{"cumulativeCount":"3221","upperBound":100},{"cumulativeCount":"4233","upperBound":200}]}}
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}
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func ExampleNewConstHistogram_WithExemplar() {
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@ -469,10 +470,10 @@ 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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printlnNormalized(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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// {"label":[{"name":"code","value":"200"},{"name":"method","value":"get"},{"name":"owner","value":"example"}],"histogram":{"sampleCount":"4711","sampleSum":403.34,"bucket":[{"cumulativeCount":"121","upperBound":25,"exemplar":{"label":[{"name":"testName","value":"testVal"}],"value":24,"timestamp":"2006-01-02T15:04:05Z"}},{"cumulativeCount":"2403","upperBound":50,"exemplar":{"label":[{"name":"testName","value":"testVal"}],"value":42,"timestamp":"2006-01-02T15:04:05Z"}},{"cumulativeCount":"3221","upperBound":100,"exemplar":{"label":[{"name":"testName","value":"testVal"}],"value":89,"timestamp":"2006-01-02T15:04:05Z"}},{"cumulativeCount":"4233","upperBound":200,"exemplar":{"label":[{"name":"testName","value":"testVal"}],"value":157,"timestamp":"2006-01-02T15:04:05Z"}}]}}
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}
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func ExampleAlreadyRegisteredError() {
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@ -567,7 +568,13 @@ temperature_kelvin 4.5
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gathering, err = gatherers.Gather()
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if err != nil {
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fmt.Println(err)
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// We expect error collected metric "temperature_kelvin" { label:<name:"location" value:"outside" > gauge:<value:265.3 > } was collected before with the same name and label values
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// We cannot assert it because of https://github.com/golang/protobuf/issues/1121
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if strings.HasPrefix(err.Error(), `collected metric "temperature_kelvin" `) {
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fmt.Println("Found duplicated metric `temperature_kelvin`")
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} else {
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fmt.Print(err)
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}
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}
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// Note that still as many metrics as possible are returned:
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out.Reset()
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@ -589,7 +596,7 @@ temperature_kelvin 4.5
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// temperature_kelvin{location="outside"} 273.14
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// temperature_kelvin{location="somewhere else"} 4.5
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// ----------
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// collected metric "temperature_kelvin" { label:<name:"location" value:"outside" > gauge:<value:265.3 > } was collected before with the same name and label values
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// Found duplicated metric `temperature_kelvin`
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// # HELP humidity_percent Humidity in %.
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// # TYPE humidity_percent gauge
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// humidity_percent{location="inside"} 33.2
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@ -625,8 +632,8 @@ func ExampleNewMetricWithTimestamp() {
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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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printlnNormalized(metric)
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// Output:
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// gauge:<value:298.15 > timestamp_ms:1257894000012
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// {"gauge":{"value":298.15},"timestampMs":"1257894000012"}
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}
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@ -81,17 +81,17 @@ func ExampleNewExpvarCollector() {
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if !strings.Contains(m.Desc().String(), "expvar_memstats") {
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metric.Reset()
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m.Write(&metric)
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metricStrings = append(metricStrings, metric.String())
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metricStrings = append(metricStrings, protoToNormalizedJSON(&metric))
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}
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}
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sort.Strings(metricStrings)
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for _, s := range metricStrings {
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fmt.Println(strings.TrimRight(s, " "))
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fmt.Println(s)
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}
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// Output:
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// label:<name:"code" value:"200" > label:<name:"method" value:"GET" > untyped:<value:212 >
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// label:<name:"code" value:"200" > label:<name:"method" value:"POST" > untyped:<value:11 >
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// label:<name:"code" value:"404" > label:<name:"method" value:"GET" > untyped:<value:13 >
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// label:<name:"code" value:"404" > label:<name:"method" value:"POST" > untyped:<value:3 >
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// untyped:<value:42 >
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// {"label":[{"name":"code","value":"200"},{"name":"method","value":"GET"}],"untyped":{"value":212}}
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// {"label":[{"name":"code","value":"200"},{"name":"method","value":"POST"}],"untyped":{"value":11}}
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// {"label":[{"name":"code","value":"404"},{"name":"method","value":"GET"}],"untyped":{"value":13}}
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// {"label":[{"name":"code","value":"404"},{"name":"method","value":"POST"}],"untyped":{"value":3}}
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// {"untyped":{"value":42}}
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}
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@ -22,6 +22,7 @@ import (
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"time"
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dto "github.com/prometheus/client_model/go"
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"google.golang.org/protobuf/proto"
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)
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func listenGaugeStream(vals, result chan float64, done chan struct{}) {
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@ -177,8 +178,18 @@ func TestGaugeFunc(t *testing.T) {
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m := &dto.Metric{}
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gf.Write(m)
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if expected, got := `label:<name:"a" value:"1" > label:<name:"b" value:"2" > gauge:<value:3.1415 > `, m.String(); expected != got {
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t.Errorf("expected %q, got %q", expected, got)
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expected := &dto.Metric{
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Label: []*dto.LabelPair{
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{Name: proto.String("a"), Value: proto.String("1")},
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{Name: proto.String("b"), Value: proto.String("2")},
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},
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Gauge: &dto.Gauge{
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Value: proto.Float64(3.1415),
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},
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}
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if !proto.Equal(expected, m) {
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t.Errorf("expected %q, got %q", expected, m)
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}
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}
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@ -477,36 +477,89 @@ func TestNativeHistogram(t *testing.T) {
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maxBuckets uint32
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minResetDuration time.Duration
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maxZeroThreshold float64
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want string // String representation of protobuf.
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want *dto.Histogram
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}{
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{
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name: "no sparse buckets",
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observations: []float64{1, 2, 3},
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factor: 1,
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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.
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||||
want: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(3),
|
||||
SampleSum: proto.Float64(6),
|
||||
Bucket: []*dto.Bucket{
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.005)},
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.01)},
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.025)},
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.05)},
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.1)},
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.25)},
|
||||
{CumulativeCount: proto.Uint64(0), UpperBound: proto.Float64(0.5)},
|
||||
{CumulativeCount: proto.Uint64(1), UpperBound: proto.Float64(1)},
|
||||
{CumulativeCount: proto.Uint64(2), UpperBound: proto.Float64(2.5)},
|
||||
{CumulativeCount: proto.Uint64(3), UpperBound: proto.Float64(5)},
|
||||
{CumulativeCount: proto.Uint64(3), UpperBound: proto.Float64(10)},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "no observations",
|
||||
factor: 1.1,
|
||||
want: `sample_count:0 sample_sum:0 schema:3 zero_threshold:2.938735877055719e-39 zero_count:0 `,
|
||||
want: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(0),
|
||||
SampleSum: proto.Float64(0),
|
||||
Schema: proto.Int32(3),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "no observations and zero threshold of zero resulting in no-op span",
|
||||
factor: 1.1,
|
||||
zeroThreshold: NativeHistogramZeroThresholdZero,
|
||||
want: `sample_count:0 sample_sum:0 schema:3 zero_threshold:0 zero_count:0 positive_span:<offset:0 length:0 > `,
|
||||
want: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(0),
|
||||
SampleSum: proto.Float64(0),
|
||||
Schema: proto.Int32(3),
|
||||
ZeroThreshold: proto.Float64(0),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(0)},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(4),
|
||||
SampleSum: proto.Float64(6),
|
||||
Schema: proto.Int32(3),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(1)},
|
||||
{Offset: proto.Int32(7), Length: proto.Uint32(1)},
|
||||
{Offset: proto.Int32(4), Length: proto.Uint32(1)},
|
||||
},
|
||||
PositiveDelta: []int64{1, 0, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(6),
|
||||
SampleSum: proto.Float64(7.4),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
PositiveDelta: []int64{1, -1, 2, -2, 2},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "factor 4 results in schema -1",
|
||||
|
|
@ -519,7 +572,17 @@ func TestNativeHistogram(t *testing.T) {
|
|||
33.33, // Bucket 3: (16, 64]
|
||||
},
|
||||
factor: 4,
|
||||
want: `sample_count:14 sample_sum:63.2581251 schema:-1 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:-2 length:6 > positive_delta:2 positive_delta:0 positive_delta:0 positive_delta:2 positive_delta:-1 positive_delta:-2 `,
|
||||
want: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(14),
|
||||
SampleSum: proto.Float64(63.2581251),
|
||||
Schema: proto.Int32(-1),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(-2), Length: proto.Uint32(6)},
|
||||
},
|
||||
PositiveDelta: []int64{2, 0, 0, 2, -1, -2},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "factor 17 results in schema -2",
|
||||
|
|
@ -530,58 +593,161 @@ func TestNativeHistogram(t *testing.T) {
|
|||
33.33, // Bucket 2: (16, 256]
|
||||
},
|
||||
factor: 17,
|
||||
want: `sample_count:14 sample_sum:63.2581251 schema:-2 zero_threshold:2.938735877055719e-39 zero_count:0 positive_span:<offset:-1 length:4 > positive_delta:2 positive_delta:2 positive_delta:3 positive_delta:-6 `,
|
||||
want: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(14),
|
||||
SampleSum: proto.Float64(63.2581251),
|
||||
Schema: proto.Int32(-2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(-1), Length: proto.Uint32(4)},
|
||||
},
|
||||
PositiveDelta: []int64{2, 2, 3, -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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(6),
|
||||
SampleSum: proto.Float64(-7.4),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
NegativeDelta: []int64{1, -1, 2, -2, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(11),
|
||||
SampleSum: proto.Float64(0),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
NegativeDelta: []int64{1, -1, 2, -2, 2},
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
PositiveDelta: []int64{1, -1, 2, -2, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(11),
|
||||
SampleSum: proto.Float64(0),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(1.4),
|
||||
ZeroCount: proto.Uint64(7),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(4), Length: proto.Uint32(1)},
|
||||
},
|
||||
NegativeDelta: []int64{2},
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(4), Length: proto.Uint32(1)},
|
||||
},
|
||||
PositiveDelta: []int64{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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(7),
|
||||
SampleSum: proto.Float64(math.NaN()),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
PositiveDelta: []int64{1, -1, 2, -2, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(7),
|
||||
SampleSum: proto.Float64(math.Inf(+1)),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
{Offset: proto.Int32(4092), Length: proto.Uint32(1)},
|
||||
},
|
||||
PositiveDelta: []int64{1, -1, 2, -2, 2, -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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(7),
|
||||
SampleSum: proto.Float64(math.Inf(-1)),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(4097), Length: proto.Uint32(1)},
|
||||
},
|
||||
NegativeDelta: []int64{1},
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
PositiveDelta: []int64{1, -1, 2, -2, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(6),
|
||||
SampleSum: proto.Float64(7.4),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
PositiveDelta: []int64{1, -1, 2, -2, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(8),
|
||||
SampleSum: proto.Float64(11.5),
|
||||
Schema: proto.Int32(1),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
PositiveDelta: []int64{1, 2, -1, -2, 1},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket",
|
||||
|
|
@ -589,7 +755,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(8),
|
||||
SampleSum: proto.Float64(11.5),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(1),
|
||||
ZeroCount: proto.Uint64(2),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(1), Length: proto.Uint32(7)},
|
||||
},
|
||||
PositiveDelta: []int64{1, 1, -2, 2, -2, 0, 1},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket twice",
|
||||
|
|
@ -597,7 +773,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(9),
|
||||
SampleSum: proto.Float64(15.5),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(1.189207115002721),
|
||||
ZeroCount: proto.Uint64(3),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(2), Length: proto.Uint32(7)},
|
||||
},
|
||||
PositiveDelta: []int64{2, -2, 2, -2, 0, 1, 0},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by reset",
|
||||
|
|
@ -606,21 +792,51 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(2),
|
||||
SampleSum: proto.Float64(7),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(7), Length: proto.Uint32(2)},
|
||||
},
|
||||
PositiveDelta: []int64{1, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(6),
|
||||
SampleSum: proto.Float64(-7.4),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
NegativeDelta: []int64{1, -1, 2, -2, 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(8),
|
||||
SampleSum: proto.Float64(-11.5),
|
||||
Schema: proto.Int32(1),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(1),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(0), Length: proto.Uint32(5)},
|
||||
},
|
||||
NegativeDelta: []int64{1, 2, -1, -2, 1},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket, negative observations",
|
||||
|
|
@ -628,7 +844,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(8),
|
||||
SampleSum: proto.Float64(-11.5),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(1),
|
||||
ZeroCount: proto.Uint64(2),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(1), Length: proto.Uint32(7)},
|
||||
},
|
||||
NegativeDelta: []int64{1, 1, -2, 2, -2, 0, 1},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket twice, negative observations",
|
||||
|
|
@ -636,7 +862,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(9),
|
||||
SampleSum: proto.Float64(-15.5),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(1.189207115002721),
|
||||
ZeroCount: proto.Uint64(3),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(2), Length: proto.Uint32(7)},
|
||||
},
|
||||
NegativeDelta: []int64{2, -2, 2, -2, 0, 1, 0},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by reset, negative observations",
|
||||
|
|
@ -645,7 +881,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(2),
|
||||
SampleSum: proto.Float64(-7),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
NegativeSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(7), Length: proto.Uint32(2)},
|
||||
},
|
||||
NegativeDelta: []int64{1, 0},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by halving resolution, then reset",
|
||||
|
|
@ -653,7 +899,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(2),
|
||||
SampleSum: proto.Float64(7),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(7), Length: proto.Uint32(2)},
|
||||
},
|
||||
PositiveDelta: []int64{1, 0},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "buckets limited by widening the zero bucket, then reset",
|
||||
|
|
@ -662,7 +918,17 @@ 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: &dto.Histogram{
|
||||
SampleCount: proto.Uint64(2),
|
||||
SampleSum: proto.Float64(7),
|
||||
Schema: proto.Int32(2),
|
||||
ZeroThreshold: proto.Float64(2.938735877055719e-39),
|
||||
ZeroCount: proto.Uint64(0),
|
||||
PositiveSpan: []*dto.BucketSpan{
|
||||
{Offset: proto.Int32(7), Length: proto.Uint32(2)},
|
||||
},
|
||||
PositiveDelta: []int64{1, 0},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
|
|
@ -690,8 +956,8 @@ 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 {
|
||||
got := m.Histogram
|
||||
if !proto.Equal(s.want, got) {
|
||||
t.Errorf("want histogram %q, got %q", s.want, got)
|
||||
}
|
||||
})
|
||||
|
|
|
|||
|
|
@ -725,7 +725,11 @@ collected metric "broken_metric" { label:<name:"foo" value:"bar" > label:<name:"
|
|||
}
|
||||
}
|
||||
|
||||
if !bytes.Equal(scenario.out.body, writer.Body.Bytes()) {
|
||||
var outMF dto.MetricFamily
|
||||
var writerMF dto.MetricFamily
|
||||
proto.Unmarshal(scenario.out.body, &outMF)
|
||||
proto.Unmarshal(writer.Body.Bytes(), &writerMF)
|
||||
if !proto.Equal(&outMF, &writerMF) {
|
||||
t.Errorf(
|
||||
"%d. expected body:\n%s\ngot body:\n%s\n",
|
||||
i, scenario.out.body, writer.Body.Bytes(),
|
||||
|
|
|
|||
|
|
@ -0,0 +1,43 @@
|
|||
// Copyright 2018 The Prometheus Authors
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
package prometheus_test
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
|
||||
"google.golang.org/protobuf/encoding/protojson"
|
||||
"google.golang.org/protobuf/proto"
|
||||
)
|
||||
|
||||
// printlnNormalized is a helper function to compare proto messages in json format.
|
||||
// Without removing brittle, we can't assert that two proto messages in json/text format are equal.
|
||||
// Read more in https://github.com/golang/protobuf/issues/1121
|
||||
func printlnNormalized(m proto.Message) {
|
||||
fmt.Println(protoToNormalizedJSON(m))
|
||||
}
|
||||
|
||||
// protoToNormalizedJSON works as printlnNormalized, but returns the string instead of printing.
|
||||
func protoToNormalizedJSON(m proto.Message) string {
|
||||
mAsJSON, err := protojson.Marshal(m)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
buffer := new(bytes.Buffer)
|
||||
if err := json.Compact(buffer, mAsJSON); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return buffer.String()
|
||||
}
|
||||
|
|
@ -15,11 +15,11 @@ package prometheus
|
|||
|
||||
import (
|
||||
"fmt"
|
||||
"reflect"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
dto "github.com/prometheus/client_model/go"
|
||||
"google.golang.org/protobuf/proto"
|
||||
)
|
||||
|
||||
// uncheckedCollector wraps a Collector but its Describe method yields no Desc.
|
||||
|
|
@ -297,7 +297,11 @@ func TestWrap(t *testing.T) {
|
|||
if !s.gatherFails && err != nil {
|
||||
t.Fatal("gathering failed:", err)
|
||||
}
|
||||
if !reflect.DeepEqual(gotMF, wantMF) {
|
||||
if len(wantMF) != len(gotMF) {
|
||||
t.Fatalf("Expected %d metricFamilies, got %d", len(wantMF), len(gotMF))
|
||||
}
|
||||
for i := range gotMF {
|
||||
if !proto.Equal(gotMF[i], wantMF[i]) {
|
||||
var want, got []string
|
||||
|
||||
for i, mf := range wantMF {
|
||||
|
|
@ -313,6 +317,7 @@ func TestWrap(t *testing.T) {
|
|||
strings.Join(got, "\n"),
|
||||
)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue