mirror of
https://github.com/prometheus/prometheus.git
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687 lines
21 KiB
Go
687 lines
21 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package textparse
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import (
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"io"
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"testing"
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"github.com/prometheus/common/model"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/model/exemplar"
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"github.com/prometheus/prometheus/model/labels"
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)
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func TestOpenMetricsParse(t *testing.T) {
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input := `# HELP go_gc_duration_seconds A summary of the GC invocation durations.
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# TYPE go_gc_duration_seconds summary
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# UNIT go_gc_duration_seconds seconds
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go_gc_duration_seconds{quantile="0"} 4.9351e-05
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go_gc_duration_seconds{quantile="0.25"} 7.424100000000001e-05
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go_gc_duration_seconds{quantile="0.5",a="b"} 8.3835e-05
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# HELP nohelp1
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# HELP help2 escape \ \n \\ \" \x chars
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# UNIT nounit
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go_gc_duration_seconds{quantile="1.0",a="b"} 8.3835e-05
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go_gc_duration_seconds_count 99
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some:aggregate:rate5m{a_b="c"} 1
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# HELP go_goroutines Number of goroutines that currently exist.
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# TYPE go_goroutines gauge
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go_goroutines 33 123.123
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# TYPE hh histogram
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hh_bucket{le="+Inf"} 1
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# TYPE gh gaugehistogram
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gh_bucket{le="+Inf"} 1
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# TYPE hhh histogram
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hhh_bucket{le="+Inf"} 1 # {id="histogram-bucket-test"} 4
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hhh_count 1 # {id="histogram-count-test"} 4
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# TYPE ggh gaugehistogram
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ggh_bucket{le="+Inf"} 1 # {id="gaugehistogram-bucket-test",xx="yy"} 4 123.123
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ggh_count 1 # {id="gaugehistogram-count-test",xx="yy"} 4 123.123
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# TYPE smr_seconds summary
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smr_seconds_count 2.0 # {id="summary-count-test"} 1 123.321
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smr_seconds_sum 42.0 # {id="summary-sum-test"} 1 123.321
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# TYPE ii info
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ii{foo="bar"} 1
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# TYPE ss stateset
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ss{ss="foo"} 1
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ss{ss="bar"} 0
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ss{A="a"} 0
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# TYPE un unknown
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_metric_starting_with_underscore 1
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testmetric{_label_starting_with_underscore="foo"} 1
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testmetric{label="\"bar\""} 1
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# TYPE foo counter
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foo_total 17.0 1520879607.789 # {id="counter-test"} 5`
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input += "\n# HELP metric foo\x00bar"
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input += "\nnull_byte_metric{a=\"abc\x00\"} 1"
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input += "\n# EOF\n"
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int64p := func(x int64) *int64 { return &x }
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exp := []expectedParse{
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{
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m: "go_gc_duration_seconds",
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help: "A summary of the GC invocation durations.",
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}, {
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m: "go_gc_duration_seconds",
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typ: model.MetricTypeSummary,
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}, {
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m: "go_gc_duration_seconds",
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unit: "seconds",
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}, {
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m: `go_gc_duration_seconds{quantile="0"}`,
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v: 4.9351e-05,
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0"),
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}, {
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m: `go_gc_duration_seconds{quantile="0.25"}`,
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v: 7.424100000000001e-05,
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.25"),
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}, {
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m: `go_gc_duration_seconds{quantile="0.5",a="b"}`,
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v: 8.3835e-05,
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.5", "a", "b"),
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}, {
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m: "nohelp1",
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help: "",
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}, {
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m: "help2",
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help: "escape \\ \n \\ \" \\x chars",
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}, {
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m: "nounit",
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unit: "",
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}, {
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m: `go_gc_duration_seconds{quantile="1.0",a="b"}`,
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v: 8.3835e-05,
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "1.0", "a", "b"),
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}, {
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m: `go_gc_duration_seconds_count`,
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v: 99,
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds_count"),
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}, {
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m: `some:aggregate:rate5m{a_b="c"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "some:aggregate:rate5m", "a_b", "c"),
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}, {
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m: "go_goroutines",
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help: "Number of goroutines that currently exist.",
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}, {
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m: "go_goroutines",
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typ: model.MetricTypeGauge,
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}, {
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m: `go_goroutines`,
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v: 33,
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t: int64p(123123),
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lset: labels.FromStrings("__name__", "go_goroutines"),
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}, {
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m: "hh",
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typ: model.MetricTypeHistogram,
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}, {
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m: `hh_bucket{le="+Inf"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "hh_bucket", "le", "+Inf"),
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}, {
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m: "gh",
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typ: model.MetricTypeGaugeHistogram,
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}, {
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m: `gh_bucket{le="+Inf"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "gh_bucket", "le", "+Inf"),
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}, {
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m: "hhh",
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typ: model.MetricTypeHistogram,
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}, {
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m: `hhh_bucket{le="+Inf"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "hhh_bucket", "le", "+Inf"),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "histogram-bucket-test"), Value: 4},
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}, {
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m: `hhh_count`,
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v: 1,
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lset: labels.FromStrings("__name__", "hhh_count"),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "histogram-count-test"), Value: 4},
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}, {
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m: "ggh",
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typ: model.MetricTypeGaugeHistogram,
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}, {
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m: `ggh_bucket{le="+Inf"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "ggh_bucket", "le", "+Inf"),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "gaugehistogram-bucket-test", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123},
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}, {
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m: `ggh_count`,
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v: 1,
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lset: labels.FromStrings("__name__", "ggh_count"),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "gaugehistogram-count-test", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123},
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}, {
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m: "smr_seconds",
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typ: model.MetricTypeSummary,
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}, {
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m: `smr_seconds_count`,
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v: 2,
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lset: labels.FromStrings("__name__", "smr_seconds_count"),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "summary-count-test"), Value: 1, HasTs: true, Ts: 123321},
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}, {
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m: `smr_seconds_sum`,
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v: 42,
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lset: labels.FromStrings("__name__", "smr_seconds_sum"),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "summary-sum-test"), Value: 1, HasTs: true, Ts: 123321},
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}, {
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m: "ii",
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typ: model.MetricTypeInfo,
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}, {
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m: `ii{foo="bar"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "ii", "foo", "bar"),
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}, {
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m: "ss",
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typ: model.MetricTypeStateset,
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}, {
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m: `ss{ss="foo"}`,
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v: 1,
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lset: labels.FromStrings("__name__", "ss", "ss", "foo"),
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}, {
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m: `ss{ss="bar"}`,
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v: 0,
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lset: labels.FromStrings("__name__", "ss", "ss", "bar"),
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}, {
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m: `ss{A="a"}`,
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v: 0,
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lset: labels.FromStrings("A", "a", "__name__", "ss"),
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}, {
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m: "un",
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typ: model.MetricTypeUnknown,
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}, {
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m: "_metric_starting_with_underscore",
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v: 1,
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lset: labels.FromStrings("__name__", "_metric_starting_with_underscore"),
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}, {
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m: "testmetric{_label_starting_with_underscore=\"foo\"}",
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v: 1,
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lset: labels.FromStrings("__name__", "testmetric", "_label_starting_with_underscore", "foo"),
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}, {
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m: "testmetric{label=\"\\\"bar\\\"\"}",
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v: 1,
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lset: labels.FromStrings("__name__", "testmetric", "label", `"bar"`),
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}, {
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m: "foo",
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typ: model.MetricTypeCounter,
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}, {
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m: "foo_total",
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v: 17,
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lset: labels.FromStrings("__name__", "foo_total"),
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t: int64p(1520879607789),
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e: &exemplar.Exemplar{Labels: labels.FromStrings("id", "counter-test"), Value: 5},
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}, {
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m: "metric",
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help: "foo\x00bar",
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}, {
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m: "null_byte_metric{a=\"abc\x00\"}",
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v: 1,
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lset: labels.FromStrings("__name__", "null_byte_metric", "a", "abc\x00"),
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},
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}
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p := NewOpenMetricsParser([]byte(input), labels.NewSymbolTable())
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checkParseResults(t, p, exp)
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}
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func TestUTF8OpenMetricsParse(t *testing.T) {
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oldValidationScheme := model.NameValidationScheme
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model.NameValidationScheme = model.UTF8Validation
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defer func() {
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model.NameValidationScheme = oldValidationScheme
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}()
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input := `# HELP "go.gc_duration_seconds" A summary of the GC invocation durations.
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# TYPE "go.gc_duration_seconds" summary
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# UNIT "go.gc_duration_seconds" seconds
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{"go.gc_duration_seconds",quantile="0"} 4.9351e-05
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{"go.gc_duration_seconds",quantile="0.25"} 7.424100000000001e-05
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{"go.gc_duration_seconds",quantile="0.5",a="b"} 8.3835e-05
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{"http.status",q="0.9",a="b"} 8.3835e-05
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{"http.status",q="0.9",a="b"} 8.3835e-05
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{q="0.9","http.status",a="b"} 8.3835e-05
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{"go.gc_duration_seconds_sum"} 0.004304266
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{"Heizölrückstoßabdämpfung 10€ metric with \"interesting\" {character\nchoices}","strange©™\n'quoted' \"name\""="6"} 10.0`
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input += "\n# EOF\n"
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exp := []expectedParse{
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{
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m: "go.gc_duration_seconds",
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help: "A summary of the GC invocation durations.",
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}, {
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m: "go.gc_duration_seconds",
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typ: model.MetricTypeSummary,
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}, {
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m: "go.gc_duration_seconds",
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unit: "seconds",
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}, {
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m: `{"go.gc_duration_seconds",quantile="0"}`,
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v: 4.9351e-05,
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lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0"),
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}, {
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m: `{"go.gc_duration_seconds",quantile="0.25"}`,
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v: 7.424100000000001e-05,
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lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.25"),
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}, {
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m: `{"go.gc_duration_seconds",quantile="0.5",a="b"}`,
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v: 8.3835e-05,
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lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.5", "a", "b"),
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}, {
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m: `{"http.status",q="0.9",a="b"}`,
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v: 8.3835e-05,
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lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"),
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}, {
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m: `{"http.status",q="0.9",a="b"}`,
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v: 8.3835e-05,
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lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"),
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}, {
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m: `{q="0.9","http.status",a="b"}`,
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v: 8.3835e-05,
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lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"),
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}, {
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m: `{"go.gc_duration_seconds_sum"}`,
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v: 0.004304266,
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lset: labels.FromStrings("__name__", "go.gc_duration_seconds_sum"),
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}, {
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m: `{"Heizölrückstoßabdämpfung 10€ metric with \"interesting\" {character\nchoices}","strange©™\n'quoted' \"name\""="6"}`,
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v: 10.0,
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lset: labels.FromStrings("__name__", `Heizölrückstoßabdämpfung 10€ metric with "interesting" {character
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choices}`, "strange©™\n'quoted' \"name\"", "6"),
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},
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}
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p := NewOpenMetricsParser([]byte(input), labels.NewSymbolTable())
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checkParseResults(t, p, exp)
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}
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func TestOpenMetricsParseErrors(t *testing.T) {
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cases := []struct {
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input string
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err string
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}{
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// Happy cases. EOF is returned by the parser at the end of valid
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// data.
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{
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input: "# EOF",
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err: "EOF",
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},
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{
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input: "# EOF\n",
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err: "EOF",
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},
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// Unhappy cases.
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{
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input: "",
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err: "data does not end with # EOF",
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},
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{
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input: "\n",
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err: "expected a valid start token, got \"\\n\" (\"INVALID\") while parsing: \"\\n\"",
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},
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{
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input: "metric",
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err: "expected value after metric, got \"metric\" (\"EOF\") while parsing: \"metric\"",
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},
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{
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input: "metric 1",
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err: "data does not end with # EOF",
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},
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{
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input: "metric 1\n",
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err: "data does not end with # EOF",
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},
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{
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input: "metric_total 1 # {aa=\"bb\"} 4",
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err: "data does not end with # EOF",
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},
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{
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input: "a\n#EOF\n",
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err: "expected value after metric, got \"\\n\" (\"INVALID\") while parsing: \"a\\n\"",
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},
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{
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input: "\n\n#EOF\n",
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err: "expected a valid start token, got \"\\n\" (\"INVALID\") while parsing: \"\\n\"",
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},
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{
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input: " a 1\n#EOF\n",
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err: "expected a valid start token, got \" \" (\"INVALID\") while parsing: \" \"",
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},
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{
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input: "9\n#EOF\n",
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err: "expected a valid start token, got \"9\" (\"INVALID\") while parsing: \"9\"",
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},
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{
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input: "# TYPE u untyped\n#EOF\n",
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err: "invalid metric type \"untyped\"",
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},
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{
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input: "# TYPE c counter \n#EOF\n",
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err: "invalid metric type \"counter \"",
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},
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{
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input: "# TYPE c counter\n#EOF\n",
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err: "expected a valid start token, got \"# \" (\"INVALID\") while parsing: \"# \"",
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},
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{
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input: "# TYPE \n#EOF\n",
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err: "expected metric name after TYPE, got \"\\n\" (\"INVALID\") while parsing: \"# TYPE \\n\"",
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},
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{
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input: "# TYPE m\n#EOF\n",
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err: "expected text in TYPE",
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},
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{
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input: "# UNIT metric suffix\n#EOF\n",
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err: "unit \"suffix\" not a suffix of metric \"metric\"",
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},
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{
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input: "# UNIT metricsuffix suffix\n#EOF\n",
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err: "unit \"suffix\" not a suffix of metric \"metricsuffix\"",
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},
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{
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input: "# UNIT m suffix\n#EOF\n",
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err: "unit \"suffix\" not a suffix of metric \"m\"",
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},
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{
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input: "# UNIT \n#EOF\n",
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err: "expected metric name after UNIT, got \"\\n\" (\"INVALID\") while parsing: \"# UNIT \\n\"",
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},
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{
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input: "# UNIT m\n#EOF\n",
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err: "expected text in UNIT",
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},
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{
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input: "# HELP \n#EOF\n",
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err: "expected metric name after HELP, got \"\\n\" (\"INVALID\") while parsing: \"# HELP \\n\"",
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},
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{
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input: "# HELP m\n#EOF\n",
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err: "expected text in HELP",
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},
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{
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input: "a\t1\n#EOF\n",
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err: "expected value after metric, got \"\\t\" (\"INVALID\") while parsing: \"a\\t\"",
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},
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{
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input: "a 1\t2\n#EOF\n",
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err: "strconv.ParseFloat: parsing \"1\\t2\": invalid syntax while parsing: \"a 1\\t2\"",
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},
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{
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input: "a 1 2 \n#EOF\n",
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err: "expected next entry after timestamp, got \" \\n\" (\"INVALID\") while parsing: \"a 1 2 \\n\"",
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},
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{
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input: "a 1 2 #\n#EOF\n",
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err: "expected next entry after timestamp, got \" #\\n\" (\"TIMESTAMP\") while parsing: \"a 1 2 #\\n\"",
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},
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{
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input: "a 1 1z\n#EOF\n",
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err: "strconv.ParseFloat: parsing \"1z\": invalid syntax while parsing: \"a 1 1z\"",
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},
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{
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input: " # EOF\n",
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err: "expected a valid start token, got \" \" (\"INVALID\") while parsing: \" \"",
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},
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{
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input: "# EOF\na 1",
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err: "unexpected data after # EOF",
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},
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{
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input: "# EOF\n\n",
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err: "unexpected data after # EOF",
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},
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{
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input: "# EOFa 1",
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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`,
|
|
},
|
|
{
|
|
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())
|
|
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())
|
|
var err error
|
|
for err == nil {
|
|
_, err = p.Next()
|
|
}
|
|
|
|
if c.err == "" {
|
|
require.Equal(t, io.EOF, err, "test %d", i)
|
|
continue
|
|
}
|
|
|
|
require.Equal(t, c.err, err.Error(), "test %d", i)
|
|
}
|
|
}
|