1037 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			1037 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Go
		
	
	
	
// Copyright 2017 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 textparse
 | 
						|
 | 
						|
import (
 | 
						|
	"fmt"
 | 
						|
	"io"
 | 
						|
	"testing"
 | 
						|
 | 
						|
	"github.com/prometheus/common/model"
 | 
						|
	"github.com/stretchr/testify/require"
 | 
						|
 | 
						|
	"github.com/prometheus/prometheus/model/exemplar"
 | 
						|
	"github.com/prometheus/prometheus/model/labels"
 | 
						|
)
 | 
						|
 | 
						|
func int64p(x int64) *int64 { return &x }
 | 
						|
 | 
						|
func TestOpenMetricsParse(t *testing.T) {
 | 
						|
	input := `# HELP go_gc_duration_seconds A summary of the GC invocation durations.
 | 
						|
# TYPE go_gc_duration_seconds summary
 | 
						|
# UNIT go_gc_duration_seconds seconds
 | 
						|
go_gc_duration_seconds{quantile="0"} 4.9351e-05
 | 
						|
go_gc_duration_seconds{quantile="0.25"} 7.424100000000001e-05
 | 
						|
go_gc_duration_seconds{quantile="0.5",a="b"} 8.3835e-05
 | 
						|
# HELP nohelp1 
 | 
						|
# HELP help2 escape \ \n \\ \" \x chars
 | 
						|
# UNIT nounit 
 | 
						|
go_gc_duration_seconds{quantile="1.0",a="b"} 8.3835e-05
 | 
						|
go_gc_duration_seconds_count 99
 | 
						|
some:aggregate:rate5m{a_b="c"} 1
 | 
						|
# HELP go_goroutines Number of goroutines that currently exist.
 | 
						|
# TYPE go_goroutines gauge
 | 
						|
go_goroutines 33 123.123
 | 
						|
# TYPE hh histogram
 | 
						|
hh_bucket{le="+Inf"} 1
 | 
						|
# TYPE gh gaugehistogram
 | 
						|
gh_bucket{le="+Inf"} 1
 | 
						|
# TYPE hhh histogram
 | 
						|
hhh_bucket{le="+Inf"} 1 # {id="histogram-bucket-test"} 4
 | 
						|
hhh_count 1 # {id="histogram-count-test"} 4
 | 
						|
# TYPE ggh gaugehistogram
 | 
						|
ggh_bucket{le="+Inf"} 1 # {id="gaugehistogram-bucket-test",xx="yy"} 4 123.123
 | 
						|
ggh_count 1 # {id="gaugehistogram-count-test",xx="yy"} 4 123.123
 | 
						|
# TYPE smr_seconds summary
 | 
						|
smr_seconds_count 2.0 # {id="summary-count-test"} 1 123.321
 | 
						|
smr_seconds_sum 42.0 # {id="summary-sum-test"} 1 123.321
 | 
						|
# TYPE ii info
 | 
						|
ii{foo="bar"} 1
 | 
						|
# TYPE ss stateset
 | 
						|
ss{ss="foo"} 1
 | 
						|
ss{ss="bar"} 0
 | 
						|
ss{A="a"} 0
 | 
						|
# TYPE un unknown
 | 
						|
_metric_starting_with_underscore 1
 | 
						|
testmetric{_label_starting_with_underscore="foo"} 1
 | 
						|
testmetric{label="\"bar\""} 1
 | 
						|
# HELP foo Counter with and without labels to certify CT is parsed for both cases
 | 
						|
# TYPE foo counter
 | 
						|
foo_total 17.0 1520879607.789 # {id="counter-test"} 5
 | 
						|
foo_created 1520872607.123
 | 
						|
foo_total{a="b"} 17.0 1520879607.789 # {id="counter-test"} 5
 | 
						|
foo_created{a="b"} 1520872607.123
 | 
						|
foo_total{le="c"} 21.0
 | 
						|
foo_created{le="c"} 1520872621.123
 | 
						|
foo_total{le="1"} 10.0
 | 
						|
# HELP bar Summary with CT at the end, making sure we find CT even if it's multiple lines a far
 | 
						|
# TYPE bar summary
 | 
						|
bar_count 17.0
 | 
						|
bar_sum 324789.3
 | 
						|
bar{quantile="0.95"} 123.7
 | 
						|
bar{quantile="0.99"} 150.0
 | 
						|
bar_created 1520872608.124
 | 
						|
# HELP baz Histogram with the same objective as above's summary
 | 
						|
# TYPE baz histogram
 | 
						|
baz_bucket{le="0.0"} 0
 | 
						|
baz_bucket{le="+Inf"} 17
 | 
						|
baz_count 17
 | 
						|
baz_sum 324789.3
 | 
						|
baz_created 1520872609.125
 | 
						|
# HELP fizz_created Gauge which shouldn't be parsed as CT
 | 
						|
# TYPE fizz_created gauge
 | 
						|
fizz_created 17.0
 | 
						|
# HELP something Histogram with _created between buckets and summary
 | 
						|
# TYPE something histogram
 | 
						|
something_count 18
 | 
						|
something_sum 324789.4
 | 
						|
something_created 1520430001
 | 
						|
something_bucket{le="0.0"} 1
 | 
						|
something_bucket{le="1"} 2
 | 
						|
something_bucket{le="+Inf"} 18
 | 
						|
# HELP yum Summary with _created between sum and quantiles
 | 
						|
# TYPE yum summary
 | 
						|
yum_count 20
 | 
						|
yum_sum 324789.5
 | 
						|
yum_created 1520430003
 | 
						|
yum{quantile="0.95"} 123.7
 | 
						|
yum{quantile="0.99"} 150.0
 | 
						|
# HELP foobar Summary with _created as the first line
 | 
						|
# TYPE foobar summary
 | 
						|
foobar_count 21
 | 
						|
foobar_created 1520430004
 | 
						|
foobar_sum 324789.6
 | 
						|
foobar{quantile="0.95"} 123.8
 | 
						|
foobar{quantile="0.99"} 150.1`
 | 
						|
 | 
						|
	input += "\n# HELP metric foo\x00bar"
 | 
						|
	input += "\nnull_byte_metric{a=\"abc\x00\"} 1"
 | 
						|
	input += "\n# EOF\n"
 | 
						|
 | 
						|
	exp := []parsedEntry{
 | 
						|
		{
 | 
						|
			m:    "go_gc_duration_seconds",
 | 
						|
			help: "A summary of the GC invocation durations.",
 | 
						|
		}, {
 | 
						|
			m:   "go_gc_duration_seconds",
 | 
						|
			typ: model.MetricTypeSummary,
 | 
						|
		}, {
 | 
						|
			m:    "go_gc_duration_seconds",
 | 
						|
			unit: "seconds",
 | 
						|
		}, {
 | 
						|
			m:    `go_gc_duration_seconds{quantile="0"}`,
 | 
						|
			v:    4.9351e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.0"),
 | 
						|
		}, {
 | 
						|
			m:    `go_gc_duration_seconds{quantile="0.25"}`,
 | 
						|
			v:    7.424100000000001e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.25"),
 | 
						|
		}, {
 | 
						|
			m:    `go_gc_duration_seconds{quantile="0.5",a="b"}`,
 | 
						|
			v:    8.3835e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.5", "a", "b"),
 | 
						|
		}, {
 | 
						|
			m:    "nohelp1",
 | 
						|
			help: "",
 | 
						|
		}, {
 | 
						|
			m:    "help2",
 | 
						|
			help: "escape \\ \n \\ \" \\x chars",
 | 
						|
		}, {
 | 
						|
			m:    "nounit",
 | 
						|
			unit: "",
 | 
						|
		}, {
 | 
						|
			m:    `go_gc_duration_seconds{quantile="1.0",a="b"}`,
 | 
						|
			v:    8.3835e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "1.0", "a", "b"),
 | 
						|
		}, {
 | 
						|
			m:    `go_gc_duration_seconds_count`,
 | 
						|
			v:    99,
 | 
						|
			lset: labels.FromStrings("__name__", "go_gc_duration_seconds_count"),
 | 
						|
		}, {
 | 
						|
			m:    `some:aggregate:rate5m{a_b="c"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "some:aggregate:rate5m", "a_b", "c"),
 | 
						|
		}, {
 | 
						|
			m:    "go_goroutines",
 | 
						|
			help: "Number of goroutines that currently exist.",
 | 
						|
		}, {
 | 
						|
			m:   "go_goroutines",
 | 
						|
			typ: model.MetricTypeGauge,
 | 
						|
		}, {
 | 
						|
			m:    `go_goroutines`,
 | 
						|
			v:    33,
 | 
						|
			t:    int64p(123123),
 | 
						|
			lset: labels.FromStrings("__name__", "go_goroutines"),
 | 
						|
		}, {
 | 
						|
			m:   "hh",
 | 
						|
			typ: model.MetricTypeHistogram,
 | 
						|
		}, {
 | 
						|
			m:    `hh_bucket{le="+Inf"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "hh_bucket", "le", "+Inf"),
 | 
						|
		}, {
 | 
						|
			m:   "gh",
 | 
						|
			typ: model.MetricTypeGaugeHistogram,
 | 
						|
		}, {
 | 
						|
			m:    `gh_bucket{le="+Inf"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "gh_bucket", "le", "+Inf"),
 | 
						|
		}, {
 | 
						|
			m:   "hhh",
 | 
						|
			typ: model.MetricTypeHistogram,
 | 
						|
		}, {
 | 
						|
			m:    `hhh_bucket{le="+Inf"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "hhh_bucket", "le", "+Inf"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "histogram-bucket-test"), Value: 4},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:    `hhh_count`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "hhh_count"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "histogram-count-test"), Value: 4},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:   "ggh",
 | 
						|
			typ: model.MetricTypeGaugeHistogram,
 | 
						|
		}, {
 | 
						|
			m:    `ggh_bucket{le="+Inf"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "ggh_bucket", "le", "+Inf"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "gaugehistogram-bucket-test", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:    `ggh_count`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "ggh_count"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "gaugehistogram-count-test", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:   "smr_seconds",
 | 
						|
			typ: model.MetricTypeSummary,
 | 
						|
		}, {
 | 
						|
			m:    `smr_seconds_count`,
 | 
						|
			v:    2,
 | 
						|
			lset: labels.FromStrings("__name__", "smr_seconds_count"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "summary-count-test"), Value: 1, HasTs: true, Ts: 123321},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:    `smr_seconds_sum`,
 | 
						|
			v:    42,
 | 
						|
			lset: labels.FromStrings("__name__", "smr_seconds_sum"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "summary-sum-test"), Value: 1, HasTs: true, Ts: 123321},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:   "ii",
 | 
						|
			typ: model.MetricTypeInfo,
 | 
						|
		}, {
 | 
						|
			m:    `ii{foo="bar"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "ii", "foo", "bar"),
 | 
						|
		}, {
 | 
						|
			m:   "ss",
 | 
						|
			typ: model.MetricTypeStateset,
 | 
						|
		}, {
 | 
						|
			m:    `ss{ss="foo"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "ss", "ss", "foo"),
 | 
						|
		}, {
 | 
						|
			m:    `ss{ss="bar"}`,
 | 
						|
			v:    0,
 | 
						|
			lset: labels.FromStrings("__name__", "ss", "ss", "bar"),
 | 
						|
		}, {
 | 
						|
			m:    `ss{A="a"}`,
 | 
						|
			v:    0,
 | 
						|
			lset: labels.FromStrings("A", "a", "__name__", "ss"),
 | 
						|
		}, {
 | 
						|
			m:   "un",
 | 
						|
			typ: model.MetricTypeUnknown,
 | 
						|
		}, {
 | 
						|
			m:    "_metric_starting_with_underscore",
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "_metric_starting_with_underscore"),
 | 
						|
		}, {
 | 
						|
			m:    "testmetric{_label_starting_with_underscore=\"foo\"}",
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "testmetric", "_label_starting_with_underscore", "foo"),
 | 
						|
		}, {
 | 
						|
			m:    "testmetric{label=\"\\\"bar\\\"\"}",
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "testmetric", "label", `"bar"`),
 | 
						|
		}, {
 | 
						|
			m:    "foo",
 | 
						|
			help: "Counter with and without labels to certify CT is parsed for both cases",
 | 
						|
		}, {
 | 
						|
			m:   "foo",
 | 
						|
			typ: model.MetricTypeCounter,
 | 
						|
		}, {
 | 
						|
			m:    "foo_total",
 | 
						|
			v:    17,
 | 
						|
			lset: labels.FromStrings("__name__", "foo_total"),
 | 
						|
			t:    int64p(1520879607789),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "counter-test"), Value: 5},
 | 
						|
			},
 | 
						|
			ct: int64p(1520872607123),
 | 
						|
		}, {
 | 
						|
			m:    `foo_total{a="b"}`,
 | 
						|
			v:    17.0,
 | 
						|
			lset: labels.FromStrings("__name__", "foo_total", "a", "b"),
 | 
						|
			t:    int64p(1520879607789),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id", "counter-test"), Value: 5},
 | 
						|
			},
 | 
						|
			ct: int64p(1520872607123),
 | 
						|
		}, {
 | 
						|
			m:    `foo_total{le="c"}`,
 | 
						|
			v:    21.0,
 | 
						|
			lset: labels.FromStrings("__name__", "foo_total", "le", "c"),
 | 
						|
			ct:   int64p(1520872621123),
 | 
						|
		}, {
 | 
						|
			m:    `foo_total{le="1"}`,
 | 
						|
			v:    10.0,
 | 
						|
			lset: labels.FromStrings("__name__", "foo_total", "le", "1"),
 | 
						|
		}, {
 | 
						|
			m:    "bar",
 | 
						|
			help: "Summary with CT at the end, making sure we find CT even if it's multiple lines a far",
 | 
						|
		}, {
 | 
						|
			m:   "bar",
 | 
						|
			typ: model.MetricTypeSummary,
 | 
						|
		}, {
 | 
						|
			m:    "bar_count",
 | 
						|
			v:    17.0,
 | 
						|
			lset: labels.FromStrings("__name__", "bar_count"),
 | 
						|
			ct:   int64p(1520872608124),
 | 
						|
		}, {
 | 
						|
			m:    "bar_sum",
 | 
						|
			v:    324789.3,
 | 
						|
			lset: labels.FromStrings("__name__", "bar_sum"),
 | 
						|
			ct:   int64p(1520872608124),
 | 
						|
		}, {
 | 
						|
			m:    `bar{quantile="0.95"}`,
 | 
						|
			v:    123.7,
 | 
						|
			lset: labels.FromStrings("__name__", "bar", "quantile", "0.95"),
 | 
						|
			ct:   int64p(1520872608124),
 | 
						|
		}, {
 | 
						|
			m:    `bar{quantile="0.99"}`,
 | 
						|
			v:    150.0,
 | 
						|
			lset: labels.FromStrings("__name__", "bar", "quantile", "0.99"),
 | 
						|
			ct:   int64p(1520872608124),
 | 
						|
		}, {
 | 
						|
			m:    "baz",
 | 
						|
			help: "Histogram with the same objective as above's summary",
 | 
						|
		}, {
 | 
						|
			m:   "baz",
 | 
						|
			typ: model.MetricTypeHistogram,
 | 
						|
		}, {
 | 
						|
			m:    `baz_bucket{le="0.0"}`,
 | 
						|
			v:    0,
 | 
						|
			lset: labels.FromStrings("__name__", "baz_bucket", "le", "0.0"),
 | 
						|
			ct:   int64p(1520872609125),
 | 
						|
		}, {
 | 
						|
			m:    `baz_bucket{le="+Inf"}`,
 | 
						|
			v:    17,
 | 
						|
			lset: labels.FromStrings("__name__", "baz_bucket", "le", "+Inf"),
 | 
						|
			ct:   int64p(1520872609125),
 | 
						|
		}, {
 | 
						|
			m:    `baz_count`,
 | 
						|
			v:    17,
 | 
						|
			lset: labels.FromStrings("__name__", "baz_count"),
 | 
						|
			ct:   int64p(1520872609125),
 | 
						|
		}, {
 | 
						|
			m:    `baz_sum`,
 | 
						|
			v:    324789.3,
 | 
						|
			lset: labels.FromStrings("__name__", "baz_sum"),
 | 
						|
			ct:   int64p(1520872609125),
 | 
						|
		}, {
 | 
						|
			m:    "fizz_created",
 | 
						|
			help: "Gauge which shouldn't be parsed as CT",
 | 
						|
		}, {
 | 
						|
			m:   "fizz_created",
 | 
						|
			typ: model.MetricTypeGauge,
 | 
						|
		}, {
 | 
						|
			m:    `fizz_created`,
 | 
						|
			v:    17,
 | 
						|
			lset: labels.FromStrings("__name__", "fizz_created"),
 | 
						|
		}, {
 | 
						|
			m:    "something",
 | 
						|
			help: "Histogram with _created between buckets and summary",
 | 
						|
		}, {
 | 
						|
			m:   "something",
 | 
						|
			typ: model.MetricTypeHistogram,
 | 
						|
		}, {
 | 
						|
			m:    `something_count`,
 | 
						|
			v:    18,
 | 
						|
			lset: labels.FromStrings("__name__", "something_count"),
 | 
						|
			ct:   int64p(1520430001000),
 | 
						|
		}, {
 | 
						|
			m:    `something_sum`,
 | 
						|
			v:    324789.4,
 | 
						|
			lset: labels.FromStrings("__name__", "something_sum"),
 | 
						|
			ct:   int64p(1520430001000),
 | 
						|
		}, {
 | 
						|
			m:    `something_bucket{le="0.0"}`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "something_bucket", "le", "0.0"),
 | 
						|
			ct:   int64p(1520430001000),
 | 
						|
		}, {
 | 
						|
			m:    `something_bucket{le="1"}`,
 | 
						|
			v:    2,
 | 
						|
			lset: labels.FromStrings("__name__", "something_bucket", "le", "1.0"),
 | 
						|
			ct:   int64p(1520430001000),
 | 
						|
		}, {
 | 
						|
			m:    `something_bucket{le="+Inf"}`,
 | 
						|
			v:    18,
 | 
						|
			lset: labels.FromStrings("__name__", "something_bucket", "le", "+Inf"),
 | 
						|
			ct:   int64p(1520430001000),
 | 
						|
		}, {
 | 
						|
			m:    "yum",
 | 
						|
			help: "Summary with _created between sum and quantiles",
 | 
						|
		}, {
 | 
						|
			m:   "yum",
 | 
						|
			typ: model.MetricTypeSummary,
 | 
						|
		}, {
 | 
						|
			m:    `yum_count`,
 | 
						|
			v:    20,
 | 
						|
			lset: labels.FromStrings("__name__", "yum_count"),
 | 
						|
			ct:   int64p(1520430003000),
 | 
						|
		}, {
 | 
						|
			m:    `yum_sum`,
 | 
						|
			v:    324789.5,
 | 
						|
			lset: labels.FromStrings("__name__", "yum_sum"),
 | 
						|
			ct:   int64p(1520430003000),
 | 
						|
		}, {
 | 
						|
			m:    `yum{quantile="0.95"}`,
 | 
						|
			v:    123.7,
 | 
						|
			lset: labels.FromStrings("__name__", "yum", "quantile", "0.95"),
 | 
						|
			ct:   int64p(1520430003000),
 | 
						|
		}, {
 | 
						|
			m:    `yum{quantile="0.99"}`,
 | 
						|
			v:    150.0,
 | 
						|
			lset: labels.FromStrings("__name__", "yum", "quantile", "0.99"),
 | 
						|
			ct:   int64p(1520430003000),
 | 
						|
		}, {
 | 
						|
			m:    "foobar",
 | 
						|
			help: "Summary with _created as the first line",
 | 
						|
		}, {
 | 
						|
			m:   "foobar",
 | 
						|
			typ: model.MetricTypeSummary,
 | 
						|
		}, {
 | 
						|
			m:    `foobar_count`,
 | 
						|
			v:    21,
 | 
						|
			lset: labels.FromStrings("__name__", "foobar_count"),
 | 
						|
			ct:   int64p(1520430004000),
 | 
						|
		}, {
 | 
						|
			m:    `foobar_sum`,
 | 
						|
			v:    324789.6,
 | 
						|
			lset: labels.FromStrings("__name__", "foobar_sum"),
 | 
						|
			ct:   int64p(1520430004000),
 | 
						|
		}, {
 | 
						|
			m:    `foobar{quantile="0.95"}`,
 | 
						|
			v:    123.8,
 | 
						|
			lset: labels.FromStrings("__name__", "foobar", "quantile", "0.95"),
 | 
						|
			ct:   int64p(1520430004000),
 | 
						|
		}, {
 | 
						|
			m:    `foobar{quantile="0.99"}`,
 | 
						|
			v:    150.1,
 | 
						|
			lset: labels.FromStrings("__name__", "foobar", "quantile", "0.99"),
 | 
						|
			ct:   int64p(1520430004000),
 | 
						|
		}, {
 | 
						|
			m:    "metric",
 | 
						|
			help: "foo\x00bar",
 | 
						|
		}, {
 | 
						|
			m:    "null_byte_metric{a=\"abc\x00\"}",
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "null_byte_metric", "a", "abc\x00"),
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	p := NewOpenMetricsParser([]byte(input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped())
 | 
						|
	got := testParse(t, p)
 | 
						|
	requireEntries(t, exp, got)
 | 
						|
}
 | 
						|
 | 
						|
func TestUTF8OpenMetricsParse(t *testing.T) {
 | 
						|
	oldValidationScheme := model.NameValidationScheme
 | 
						|
	model.NameValidationScheme = model.UTF8Validation
 | 
						|
	defer func() {
 | 
						|
		model.NameValidationScheme = oldValidationScheme
 | 
						|
	}()
 | 
						|
 | 
						|
	input := `# HELP "go.gc_duration_seconds" A summary of the GC invocation durations.
 | 
						|
# TYPE "go.gc_duration_seconds" summary
 | 
						|
# UNIT "go.gc_duration_seconds" seconds
 | 
						|
{"go.gc_duration_seconds",quantile="0"} 4.9351e-05
 | 
						|
{"go.gc_duration_seconds",quantile="0.25"} 7.424100000000001e-05
 | 
						|
{"go.gc_duration_seconds_created"} 1520872607.123
 | 
						|
{"go.gc_duration_seconds",quantile="0.5",a="b"} 8.3835e-05
 | 
						|
{"http.status",q="0.9",a="b"} 8.3835e-05
 | 
						|
{"http.status",q="0.9",a="b"} 8.3835e-05
 | 
						|
{q="0.9","http.status",a="b"} 8.3835e-05
 | 
						|
{"go.gc_duration_seconds_sum"} 0.004304266
 | 
						|
{"Heizölrückstoßabdämpfung 10€ metric with \"interesting\" {character\nchoices}","strange©™\n'quoted' \"name\""="6"} 10.0
 | 
						|
quotedexemplar_count 1 # {"id.thing"="histogram-count-test"} 4
 | 
						|
quotedexemplar2_count 1 # {"id.thing"="histogram-count-test",other="hello"} 4
 | 
						|
`
 | 
						|
 | 
						|
	input += "# EOF\n"
 | 
						|
 | 
						|
	exp := []parsedEntry{
 | 
						|
		{
 | 
						|
			m:    "go.gc_duration_seconds",
 | 
						|
			help: "A summary of the GC invocation durations.",
 | 
						|
		}, {
 | 
						|
			m:   "go.gc_duration_seconds",
 | 
						|
			typ: model.MetricTypeSummary,
 | 
						|
		}, {
 | 
						|
			m:    "go.gc_duration_seconds",
 | 
						|
			unit: "seconds",
 | 
						|
		}, {
 | 
						|
			m:    `{"go.gc_duration_seconds",quantile="0"}`,
 | 
						|
			v:    4.9351e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.0"),
 | 
						|
			ct:   int64p(1520872607123),
 | 
						|
		}, {
 | 
						|
			m:    `{"go.gc_duration_seconds",quantile="0.25"}`,
 | 
						|
			v:    7.424100000000001e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.25"),
 | 
						|
			ct:   int64p(1520872607123),
 | 
						|
		}, {
 | 
						|
			m:    `{"go.gc_duration_seconds",quantile="0.5",a="b"}`,
 | 
						|
			v:    8.3835e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.5", "a", "b"),
 | 
						|
		}, {
 | 
						|
			m:    `{"http.status",q="0.9",a="b"}`,
 | 
						|
			v:    8.3835e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"),
 | 
						|
		}, {
 | 
						|
			m:    `{"http.status",q="0.9",a="b"}`,
 | 
						|
			v:    8.3835e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"),
 | 
						|
		}, {
 | 
						|
			m:    `{q="0.9","http.status",a="b"}`,
 | 
						|
			v:    8.3835e-05,
 | 
						|
			lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"),
 | 
						|
		}, {
 | 
						|
			m:    `{"go.gc_duration_seconds_sum"}`,
 | 
						|
			v:    0.004304266,
 | 
						|
			lset: labels.FromStrings("__name__", "go.gc_duration_seconds_sum"),
 | 
						|
		}, {
 | 
						|
			m: `{"Heizölrückstoßabdämpfung 10€ metric with \"interesting\" {character\nchoices}","strange©™\n'quoted' \"name\""="6"}`,
 | 
						|
			v: 10.0,
 | 
						|
			lset: labels.FromStrings("__name__", `Heizölrückstoßabdämpfung 10€ metric with "interesting" {character
 | 
						|
choices}`, "strange©™\n'quoted' \"name\"", "6"),
 | 
						|
		}, {
 | 
						|
			m:    `quotedexemplar_count`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "quotedexemplar_count"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id.thing", "histogram-count-test"), Value: 4},
 | 
						|
			},
 | 
						|
		}, {
 | 
						|
			m:    `quotedexemplar2_count`,
 | 
						|
			v:    1,
 | 
						|
			lset: labels.FromStrings("__name__", "quotedexemplar2_count"),
 | 
						|
			es: []exemplar.Exemplar{
 | 
						|
				{Labels: labels.FromStrings("id.thing", "histogram-count-test", "other", "hello"), Value: 4},
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	p := NewOpenMetricsParser([]byte(input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped())
 | 
						|
	got := testParse(t, p)
 | 
						|
	requireEntries(t, exp, got)
 | 
						|
}
 | 
						|
 | 
						|
func TestOpenMetricsParseErrors(t *testing.T) {
 | 
						|
	cases := []struct {
 | 
						|
		input string
 | 
						|
		err   string
 | 
						|
	}{
 | 
						|
		// Happy cases. EOF is returned by the parser at the end of valid
 | 
						|
		// data.
 | 
						|
		{
 | 
						|
			input: "# EOF",
 | 
						|
			err:   "EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# EOF\n",
 | 
						|
			err:   "EOF",
 | 
						|
		},
 | 
						|
		// Unhappy cases.
 | 
						|
		{
 | 
						|
			input: "",
 | 
						|
			err:   "data does not end with # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "\n",
 | 
						|
			err:   "expected a valid start token, got \"\\n\" (\"INVALID\") while parsing: \"\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "metric",
 | 
						|
			err:   "expected value after metric, got \"metric\" (\"EOF\") while parsing: \"metric\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "metric 1",
 | 
						|
			err:   "data does not end with # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "metric 1\n",
 | 
						|
			err:   "data does not end with # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "metric_total 1 # {aa=\"bb\"} 4",
 | 
						|
			err:   "data does not end with # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a\n#EOF\n",
 | 
						|
			err:   "expected value after metric, got \"\\n\" (\"INVALID\") while parsing: \"a\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "\n\n#EOF\n",
 | 
						|
			err:   "expected a valid start token, got \"\\n\" (\"INVALID\") while parsing: \"\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: " a 1\n#EOF\n",
 | 
						|
			err:   "expected a valid start token, got \" \" (\"INVALID\") while parsing: \" \"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "9\n#EOF\n",
 | 
						|
			err:   "expected a valid start token, got \"9\" (\"INVALID\") while parsing: \"9\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE u untyped\n#EOF\n",
 | 
						|
			err:   "invalid metric type \"untyped\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE c counter \n#EOF\n",
 | 
						|
			err:   "invalid metric type \"counter \"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "#  TYPE c counter\n#EOF\n",
 | 
						|
			err:   "expected a valid start token, got \"#  \" (\"INVALID\") while parsing: \"#  \"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE \n#EOF\n",
 | 
						|
			err:   "expected metric name after TYPE, got \"\\n\" (\"INVALID\") while parsing: \"# TYPE \\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE m\n#EOF\n",
 | 
						|
			err:   "expected text in TYPE",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# UNIT metric suffix\n#EOF\n",
 | 
						|
			err:   "unit \"suffix\" not a suffix of metric \"metric\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# UNIT metricsuffix suffix\n#EOF\n",
 | 
						|
			err:   "unit \"suffix\" not a suffix of metric \"metricsuffix\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# UNIT m suffix\n#EOF\n",
 | 
						|
			err:   "unit \"suffix\" not a suffix of metric \"m\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# UNIT \n#EOF\n",
 | 
						|
			err:   "expected metric name after UNIT, got \"\\n\" (\"INVALID\") while parsing: \"# UNIT \\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# UNIT m\n#EOF\n",
 | 
						|
			err:   "expected text in UNIT",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# HELP \n#EOF\n",
 | 
						|
			err:   "expected metric name after HELP, got \"\\n\" (\"INVALID\") while parsing: \"# HELP \\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# HELP m\n#EOF\n",
 | 
						|
			err:   "expected text in HELP",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a\t1\n#EOF\n",
 | 
						|
			err:   "expected value after metric, got \"\\t\" (\"INVALID\") while parsing: \"a\\t\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a 1\t2\n#EOF\n",
 | 
						|
			err:   "strconv.ParseFloat: parsing \"1\\t2\": invalid syntax while parsing: \"a 1\\t2\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a 1 2 \n#EOF\n",
 | 
						|
			err:   "expected next entry after timestamp, got \" \\n\" (\"INVALID\") while parsing: \"a 1 2 \\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a 1 2 #\n#EOF\n",
 | 
						|
			err:   "expected next entry after timestamp, got \" #\\n\" (\"TIMESTAMP\") while parsing: \"a 1 2 #\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a 1 1z\n#EOF\n",
 | 
						|
			err:   "strconv.ParseFloat: parsing \"1z\": invalid syntax while parsing: \"a 1 1z\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: " # EOF\n",
 | 
						|
			err:   "expected a valid start token, got \" \" (\"INVALID\") while parsing: \" \"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# EOF\na 1",
 | 
						|
			err:   "unexpected data after # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# EOF\n\n",
 | 
						|
			err:   "unexpected data after # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# EOFa 1",
 | 
						|
			err:   "unexpected data after # EOF",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "#\tTYPE c counter\n",
 | 
						|
			err:   "expected a valid start token, got \"#\\t\" (\"INVALID\") while parsing: \"#\\t\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE c  counter\n",
 | 
						|
			err:   "invalid metric type \" counter\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a 1 1 1\n# EOF\n",
 | 
						|
			err:   "expected next entry after timestamp, got \" 1\\n\" (\"TIMESTAMP\") while parsing: \"a 1 1 1\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b='c'} 1\n# EOF\n",
 | 
						|
			err:   "expected label value, got \"'\" (\"INVALID\") while parsing: \"a{b='\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{,b=\"c\"} 1\n# EOF\n",
 | 
						|
			err:   "expected label name, got \",b\" (\"COMMA\") while parsing: \"a{,b\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"c\"d=\"e\"} 1\n# EOF\n",
 | 
						|
			err:   "expected comma or brace close, got \"d=\" (\"LNAME\") while parsing: \"a{b=\\\"c\\\"d=\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"c\",,d=\"e\"} 1\n# EOF\n",
 | 
						|
			err:   "expected label name, got \",d\" (\"COMMA\") while parsing: \"a{b=\\\"c\\\",,d\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\n# EOF\n",
 | 
						|
			err:   "expected label value, got \"\\n\" (\"INVALID\") while parsing: \"a{b=\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{\xff=\"foo\"} 1\n# EOF\n",
 | 
						|
			err:   "expected label name, got \"\\xff\" (\"INVALID\") while parsing: \"a{\\xff\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"\xff\"} 1\n# EOF\n",
 | 
						|
			err:   "invalid UTF-8 label value: \"\\\"\\xff\\\"\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `{"a","b = "c"}
 | 
						|
# EOF
 | 
						|
`,
 | 
						|
			err: "expected equal, got \"c\\\"\" (\"LNAME\") while parsing: \"{\\\"a\\\",\\\"b = \\\"c\\\"\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `{"a",b\nc="d"} 1
 | 
						|
# EOF
 | 
						|
`,
 | 
						|
			err: "expected equal, got \"\\\\\" (\"INVALID\") while parsing: \"{\\\"a\\\",b\\\\\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a true\n",
 | 
						|
			err:   "strconv.ParseFloat: parsing \"true\": invalid syntax while parsing: \"a true\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "something_weird{problem=\"\n# EOF\n",
 | 
						|
			err:   "expected label value, got \"\\\"\\n\" (\"INVALID\") while parsing: \"something_weird{problem=\\\"\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "empty_label_name{=\"\"} 0\n# EOF\n",
 | 
						|
			err:   "expected label name, got \"=\\\"\" (\"EQUAL\") while parsing: \"empty_label_name{=\\\"\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "foo 1_2\n\n# EOF\n",
 | 
						|
			err:   "unsupported character in float while parsing: \"foo 1_2\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "foo 0x1p-3\n\n# EOF\n",
 | 
						|
			err:   "unsupported character in float while parsing: \"foo 0x1p-3\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "foo 0x1P-3\n\n# EOF\n",
 | 
						|
			err:   "unsupported character in float while parsing: \"foo 0x1P-3\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "foo 0 1_2\n\n# EOF\n",
 | 
						|
			err:   "unsupported character in float while parsing: \"foo 0 1_2\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "custom_metric_total 1 # {aa=bb}\n# EOF\n",
 | 
						|
			err:   "expected label value, got \"b\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=b\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "custom_metric_total 1 # {aa=\"bb\"}\n# EOF\n",
 | 
						|
			err:   "expected value after exemplar labels, got \"\\n\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"}\\n\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa="bb"}`,
 | 
						|
			err:   "expected value after exemplar labels, got \"}\" (\"EOF\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"}\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {bb}`,
 | 
						|
			err:   "expected label name, got \"}\" (\"BCLOSE\") while parsing: \"custom_metric_total 1 # {bb}\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {bb, a="dd"}`,
 | 
						|
			err:   "expected label name, got \", \" (\"COMMA\") while parsing: \"custom_metric_total 1 # {bb, \"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa="bb",,cc="dd"} 1`,
 | 
						|
			err:   "expected label name, got \",c\" (\"COMMA\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\",,c\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa="bb"} 1_2`,
 | 
						|
			err:   "unsupported character in float while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"} 1_2\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa="bb"} 0x1p-3`,
 | 
						|
			err:   "unsupported character in float while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"} 0x1p-3\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa="bb"} true`,
 | 
						|
			err:   "strconv.ParseFloat: parsing \"true\": invalid syntax while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"} true\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa="bb",cc=}`,
 | 
						|
			err:   "expected label value, got \"}\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\",cc=}\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `custom_metric_total 1 # {aa=\"\xff\"} 9.0`,
 | 
						|
			err:   "expected label value, got \"\\\\\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=\\\\\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `{b="c",} 1`,
 | 
						|
			err:   "metric name not set while parsing: \"{b=\\\"c\\\",} 1\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `a 1 NaN`,
 | 
						|
			err:   `invalid timestamp NaN`,
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `a 1 -Inf`,
 | 
						|
			err:   `invalid timestamp -Inf`,
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: `a 1 Inf`,
 | 
						|
			err:   `invalid timestamp +Inf`,
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE hhh histogram\nhhh_bucket{le=\"+Inf\"} 1 # {aa=\"bb\"} 4 NaN",
 | 
						|
			err:   `invalid exemplar timestamp NaN`,
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# TYPE hhh histogram\nhhh_bucket{le=\"+Inf\"} 1 # {aa=\"bb\"} 4 -Inf",
 | 
						|
			err:   `invalid exemplar timestamp -Inf`,
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	for i, c := range cases {
 | 
						|
		p := NewOpenMetricsParser([]byte(c.input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped())
 | 
						|
		var err error
 | 
						|
		for err == nil {
 | 
						|
			_, err = p.Next()
 | 
						|
		}
 | 
						|
		require.Equal(t, c.err, err.Error(), "test %d: %s", i, c.input)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestOMNullByteHandling(t *testing.T) {
 | 
						|
	cases := []struct {
 | 
						|
		input string
 | 
						|
		err   string
 | 
						|
	}{
 | 
						|
		{
 | 
						|
			input: "null_byte_metric{a=\"abc\x00\"} 1\n# EOF\n",
 | 
						|
			err:   "",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"\x00ss\"} 1\n# EOF\n",
 | 
						|
			err:   "",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"\x00\"} 1\n# EOF\n",
 | 
						|
			err:   "",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"\x00\"} 1\n# EOF",
 | 
						|
			err:   "",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\x00\"ssss\"} 1\n# EOF\n",
 | 
						|
			err:   "expected label value, got \"\\x00\" (\"INVALID\") while parsing: \"a{b=\\x00\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b=\"\x00",
 | 
						|
			err:   "expected label value, got \"\\\"\\x00\" (\"INVALID\") while parsing: \"a{b=\\\"\\x00\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a{b\x00=\"hiih\"}	1",
 | 
						|
			err:   "expected equal, got \"\\x00\" (\"INVALID\") while parsing: \"a{b\\x00\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "a\x00{b=\"ddd\"} 1",
 | 
						|
			err:   "expected value after metric, got \"\\x00\" (\"INVALID\") while parsing: \"a\\x00\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "#",
 | 
						|
			err:   "expected a valid start token, got \"#\" (\"INVALID\") while parsing: \"#\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "# H",
 | 
						|
			err:   "expected a valid start token, got \"# H\" (\"INVALID\") while parsing: \"# H\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "custom_metric_total 1 # {b=\x00\"ssss\"} 1\n",
 | 
						|
			err:   "expected label value, got \"\\x00\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {b=\\x00\"",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			input: "custom_metric_total 1 # {b=\"\x00ss\"} 1\n",
 | 
						|
			err:   "expected label value, got \"\\\"\\x00\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {b=\\\"\\x00\"",
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	for i, c := range cases {
 | 
						|
		p := NewOpenMetricsParser([]byte(c.input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped())
 | 
						|
		var err error
 | 
						|
		for err == nil {
 | 
						|
			_, err = p.Next()
 | 
						|
		}
 | 
						|
 | 
						|
		if c.err == "" {
 | 
						|
			require.ErrorIs(t, err, io.EOF, "test %d", i)
 | 
						|
			continue
 | 
						|
		}
 | 
						|
 | 
						|
		require.EqualError(t, err, c.err, "test %d", i)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// TestCTParseFailures tests known failure edge cases, we know does not work due
 | 
						|
// current OM spec limitations or clients with broken OM format.
 | 
						|
// TODO(maniktherana): Make sure OM 1.1/2.0 pass CT via metadata or exemplar-like to avoid this.
 | 
						|
func TestCTParseFailures(t *testing.T) {
 | 
						|
	for _, tcase := range []struct {
 | 
						|
		name     string
 | 
						|
		input    string
 | 
						|
		expected []parsedEntry
 | 
						|
	}{
 | 
						|
		{
 | 
						|
			name: "_created line is a first one",
 | 
						|
			input: `# HELP thing histogram with _created as first line
 | 
						|
# TYPE thing histogram
 | 
						|
thing_created 1520872607.123
 | 
						|
thing_count 17
 | 
						|
thing_sum 324789.3
 | 
						|
thing_bucket{le="0.0"} 0
 | 
						|
thing_bucket{le="+Inf"} 17
 | 
						|
# HELP thing_c counter with _created as first line
 | 
						|
# TYPE thing_c counter
 | 
						|
thing_c_created 1520872607.123
 | 
						|
thing_c_total 14123.232
 | 
						|
# EOF
 | 
						|
`,
 | 
						|
			expected: []parsedEntry{
 | 
						|
				{
 | 
						|
					m:    "thing",
 | 
						|
					help: "histogram with _created as first line",
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:   "thing",
 | 
						|
					typ: model.MetricTypeHistogram,
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:  `thing_count`,
 | 
						|
					ct: nil, // Should be int64p(1520872607123).
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:  `thing_sum`,
 | 
						|
					ct: nil, // Should be int64p(1520872607123).
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:  `thing_bucket{le="0.0"}`,
 | 
						|
					ct: nil, // Should be int64p(1520872607123).
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:  `thing_bucket{le="+Inf"}`,
 | 
						|
					ct: nil, // Should be int64p(1520872607123),
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:    "thing_c",
 | 
						|
					help: "counter with _created as first line",
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:   "thing_c",
 | 
						|
					typ: model.MetricTypeCounter,
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m:  `thing_c_total`,
 | 
						|
					ct: nil, // Should be int64p(1520872607123).
 | 
						|
				},
 | 
						|
			},
 | 
						|
		},
 | 
						|
		{
 | 
						|
			// TODO(bwplotka): Kind of correct bevaviour? If yes, let's move to the OK tests above.
 | 
						|
			name: "maybe counter with no meta",
 | 
						|
			input: `foo_total 17.0
 | 
						|
foo_created 1520872607.123
 | 
						|
foo_total{a="b"} 17.0
 | 
						|
foo_created{a="b"} 1520872608.123
 | 
						|
# EOF
 | 
						|
`,
 | 
						|
			expected: []parsedEntry{
 | 
						|
				{
 | 
						|
					m: `foo_total`,
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m: `foo_created`,
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m: `foo_total{a="b"}`,
 | 
						|
				},
 | 
						|
				{
 | 
						|
					m: `foo_created{a="b"}`,
 | 
						|
				},
 | 
						|
			},
 | 
						|
		},
 | 
						|
	} {
 | 
						|
		t.Run(fmt.Sprintf("case=%v", tcase.name), func(t *testing.T) {
 | 
						|
			p := NewOpenMetricsParser([]byte(tcase.input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped())
 | 
						|
			got := testParse(t, p)
 | 
						|
			resetValAndLset(got) // Keep this test focused on metric, basic entries and CT only.
 | 
						|
			requireEntries(t, tcase.expected, got)
 | 
						|
		})
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func resetValAndLset(e []parsedEntry) {
 | 
						|
	for i := range e {
 | 
						|
		e[i].v = 0
 | 
						|
		e[i].lset = labels.EmptyLabels()
 | 
						|
	}
 | 
						|
}
 |