mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-26 22:19:40 -08:00
370 lines
10 KiB
Go
370 lines
10 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 remote
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/prometheus/prometheus/model/histogram"
|
|
"github.com/prometheus/prometheus/model/labels"
|
|
"github.com/prometheus/prometheus/model/textparse"
|
|
"github.com/prometheus/prometheus/prompb"
|
|
"github.com/prometheus/prometheus/storage"
|
|
"github.com/prometheus/prometheus/tsdb/chunkenc"
|
|
)
|
|
|
|
var testHistogram = histogram.Histogram{
|
|
Schema: 2,
|
|
ZeroThreshold: 1e-128,
|
|
ZeroCount: 0,
|
|
Count: 0,
|
|
Sum: 20,
|
|
PositiveSpans: []histogram.Span{{Offset: 0, Length: 1}},
|
|
PositiveBuckets: []int64{1},
|
|
NegativeSpans: []histogram.Span{{Offset: 0, Length: 1}},
|
|
NegativeBuckets: []int64{-1},
|
|
}
|
|
|
|
var writeRequestFixture = &prompb.WriteRequest{
|
|
Timeseries: []prompb.TimeSeries{
|
|
{
|
|
Labels: []prompb.Label{
|
|
{Name: "__name__", Value: "test_metric1"},
|
|
{Name: "b", Value: "c"},
|
|
{Name: "baz", Value: "qux"},
|
|
{Name: "d", Value: "e"},
|
|
{Name: "foo", Value: "bar"},
|
|
},
|
|
Samples: []prompb.Sample{{Value: 1, Timestamp: 0}},
|
|
Exemplars: []prompb.Exemplar{{Labels: []prompb.Label{{Name: "f", Value: "g"}}, Value: 1, Timestamp: 0}},
|
|
Histograms: []prompb.Histogram{HistogramToHistogramProto(0, &testHistogram)},
|
|
},
|
|
{
|
|
Labels: []prompb.Label{
|
|
{Name: "__name__", Value: "test_metric1"},
|
|
{Name: "b", Value: "c"},
|
|
{Name: "baz", Value: "qux"},
|
|
{Name: "d", Value: "e"},
|
|
{Name: "foo", Value: "bar"},
|
|
},
|
|
Samples: []prompb.Sample{{Value: 2, Timestamp: 1}},
|
|
Exemplars: []prompb.Exemplar{{Labels: []prompb.Label{{Name: "h", Value: "i"}}, Value: 2, Timestamp: 1}},
|
|
Histograms: []prompb.Histogram{HistogramToHistogramProto(1, &testHistogram)},
|
|
},
|
|
},
|
|
}
|
|
|
|
func TestValidateLabelsAndMetricName(t *testing.T) {
|
|
tests := []struct {
|
|
input labels.Labels
|
|
expectedErr string
|
|
description string
|
|
}{
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name",
|
|
"labelName", "labelValue",
|
|
),
|
|
expectedErr: "",
|
|
description: "regular labels",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name",
|
|
"_labelName", "labelValue",
|
|
),
|
|
expectedErr: "",
|
|
description: "label name with _",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name",
|
|
"@labelName", "labelValue",
|
|
),
|
|
expectedErr: "invalid label name: @labelName",
|
|
description: "label name with @",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name",
|
|
"123labelName", "labelValue",
|
|
),
|
|
expectedErr: "invalid label name: 123labelName",
|
|
description: "label name starts with numbers",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name",
|
|
"", "labelValue",
|
|
),
|
|
expectedErr: "invalid label name: ",
|
|
description: "label name is empty string",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name",
|
|
"labelName", string([]byte{0xff}),
|
|
),
|
|
expectedErr: "invalid label value: " + string([]byte{0xff}),
|
|
description: "label value is an invalid UTF-8 value",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "@invalid_name",
|
|
),
|
|
expectedErr: "invalid metric name: @invalid_name",
|
|
description: "metric name starts with @",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"__name__", "name1",
|
|
"__name__", "name2",
|
|
),
|
|
expectedErr: "duplicate label with name: __name__",
|
|
description: "duplicate label names",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"label1", "name",
|
|
"label2", "name",
|
|
),
|
|
expectedErr: "",
|
|
description: "duplicate label values",
|
|
},
|
|
{
|
|
input: labels.FromStrings(
|
|
"", "name",
|
|
"label2", "name",
|
|
),
|
|
expectedErr: "invalid label name: ",
|
|
description: "don't report as duplicate label name",
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.description, func(t *testing.T) {
|
|
err := validateLabelsAndMetricName(test.input)
|
|
if test.expectedErr != "" {
|
|
require.Error(t, err)
|
|
require.Equal(t, test.expectedErr, err.Error())
|
|
} else {
|
|
require.NoError(t, err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestConcreteSeriesSet(t *testing.T) {
|
|
series1 := &concreteSeries{
|
|
labels: labels.FromStrings("foo", "bar"),
|
|
samples: []prompb.Sample{{Value: 1, Timestamp: 2}},
|
|
}
|
|
series2 := &concreteSeries{
|
|
labels: labels.FromStrings("foo", "baz"),
|
|
samples: []prompb.Sample{{Value: 3, Timestamp: 4}},
|
|
}
|
|
c := &concreteSeriesSet{
|
|
series: []storage.Series{series1, series2},
|
|
}
|
|
require.True(t, c.Next(), "Expected Next() to be true.")
|
|
require.Equal(t, series1, c.At(), "Unexpected series returned.")
|
|
require.True(t, c.Next(), "Expected Next() to be true.")
|
|
require.Equal(t, series2, c.At(), "Unexpected series returned.")
|
|
require.False(t, c.Next(), "Expected Next() to be false.")
|
|
}
|
|
|
|
func TestConcreteSeriesClonesLabels(t *testing.T) {
|
|
lbls := labels.FromStrings("a", "b", "c", "d")
|
|
cs := concreteSeries{
|
|
labels: lbls,
|
|
}
|
|
|
|
gotLabels := cs.Labels()
|
|
require.Equal(t, lbls, gotLabels)
|
|
|
|
gotLabels[0].Value = "foo"
|
|
gotLabels[1].Value = "bar"
|
|
|
|
gotLabels = cs.Labels()
|
|
require.Equal(t, lbls, gotLabels)
|
|
}
|
|
|
|
func TestConcreteSeriesIterator(t *testing.T) {
|
|
series := &concreteSeries{
|
|
labels: labels.FromStrings("foo", "bar"),
|
|
samples: []prompb.Sample{
|
|
{Value: 1, Timestamp: 1},
|
|
{Value: 1.5, Timestamp: 1},
|
|
{Value: 2, Timestamp: 2},
|
|
{Value: 3, Timestamp: 3},
|
|
{Value: 4, Timestamp: 4},
|
|
},
|
|
}
|
|
it := series.Iterator()
|
|
|
|
// Seek to the first sample with ts=1.
|
|
require.Equal(t, chunkenc.ValFloat, it.Seek(1))
|
|
ts, v := it.At()
|
|
require.Equal(t, int64(1), ts)
|
|
require.Equal(t, 1., v)
|
|
|
|
// Seek one further, next sample still has ts=1.
|
|
require.Equal(t, chunkenc.ValFloat, it.Next())
|
|
ts, v = it.At()
|
|
require.Equal(t, int64(1), ts)
|
|
require.Equal(t, 1.5, v)
|
|
|
|
// Seek again to 1 and make sure we stay where we are.
|
|
require.Equal(t, chunkenc.ValFloat, it.Seek(1))
|
|
ts, v = it.At()
|
|
require.Equal(t, int64(1), ts)
|
|
require.Equal(t, 1.5, v)
|
|
|
|
// Another seek.
|
|
require.Equal(t, chunkenc.ValFloat, it.Seek(3))
|
|
ts, v = it.At()
|
|
require.Equal(t, int64(3), ts)
|
|
require.Equal(t, 3., v)
|
|
|
|
// And we don't go back.
|
|
require.Equal(t, chunkenc.ValFloat, it.Seek(2))
|
|
ts, v = it.At()
|
|
require.Equal(t, int64(3), ts)
|
|
require.Equal(t, 3., v)
|
|
|
|
// Seek beyond the end.
|
|
require.Equal(t, chunkenc.ValNone, it.Seek(5))
|
|
// And we don't go back. (This exposes issue #10027.)
|
|
require.Equal(t, chunkenc.ValNone, it.Seek(2))
|
|
}
|
|
|
|
func TestFromQueryResultWithDuplicates(t *testing.T) {
|
|
ts1 := prompb.TimeSeries{
|
|
Labels: []prompb.Label{
|
|
{Name: "foo", Value: "bar"},
|
|
{Name: "foo", Value: "def"},
|
|
},
|
|
Samples: []prompb.Sample{
|
|
{Value: 0.0, Timestamp: 0},
|
|
},
|
|
}
|
|
|
|
res := prompb.QueryResult{
|
|
Timeseries: []*prompb.TimeSeries{
|
|
&ts1,
|
|
},
|
|
}
|
|
|
|
series := FromQueryResult(false, &res)
|
|
|
|
errSeries, isErrSeriesSet := series.(errSeriesSet)
|
|
|
|
require.True(t, isErrSeriesSet, "Expected resulting series to be an errSeriesSet")
|
|
errMessage := errSeries.Err().Error()
|
|
require.Equal(t, "duplicate label with name: foo", errMessage, fmt.Sprintf("Expected error to be from duplicate label, but got: %s", errMessage))
|
|
}
|
|
|
|
func TestNegotiateResponseType(t *testing.T) {
|
|
r, err := NegotiateResponseType([]prompb.ReadRequest_ResponseType{
|
|
prompb.ReadRequest_STREAMED_XOR_CHUNKS,
|
|
prompb.ReadRequest_SAMPLES,
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, prompb.ReadRequest_STREAMED_XOR_CHUNKS, r)
|
|
|
|
r2, err := NegotiateResponseType([]prompb.ReadRequest_ResponseType{
|
|
prompb.ReadRequest_SAMPLES,
|
|
prompb.ReadRequest_STREAMED_XOR_CHUNKS,
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, prompb.ReadRequest_SAMPLES, r2)
|
|
|
|
r3, err := NegotiateResponseType([]prompb.ReadRequest_ResponseType{})
|
|
require.NoError(t, err)
|
|
require.Equal(t, prompb.ReadRequest_SAMPLES, r3)
|
|
|
|
_, err = NegotiateResponseType([]prompb.ReadRequest_ResponseType{20})
|
|
require.Error(t, err, "expected error due to not supported requested response types")
|
|
require.Equal(t, "server does not support any of the requested response types: [20]; supported: map[SAMPLES:{} STREAMED_XOR_CHUNKS:{}]", err.Error())
|
|
}
|
|
|
|
func TestMergeLabels(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
primary, secondary, expected []prompb.Label
|
|
}{
|
|
{
|
|
primary: []prompb.Label{{Name: "aaa", Value: "foo"}, {Name: "bbb", Value: "foo"}, {Name: "ddd", Value: "foo"}},
|
|
secondary: []prompb.Label{{Name: "bbb", Value: "bar"}, {Name: "ccc", Value: "bar"}},
|
|
expected: []prompb.Label{{Name: "aaa", Value: "foo"}, {Name: "bbb", Value: "foo"}, {Name: "ccc", Value: "bar"}, {Name: "ddd", Value: "foo"}},
|
|
},
|
|
{
|
|
primary: []prompb.Label{{Name: "bbb", Value: "bar"}, {Name: "ccc", Value: "bar"}},
|
|
secondary: []prompb.Label{{Name: "aaa", Value: "foo"}, {Name: "bbb", Value: "foo"}, {Name: "ddd", Value: "foo"}},
|
|
expected: []prompb.Label{{Name: "aaa", Value: "foo"}, {Name: "bbb", Value: "bar"}, {Name: "ccc", Value: "bar"}, {Name: "ddd", Value: "foo"}},
|
|
},
|
|
} {
|
|
require.Equal(t, tc.expected, MergeLabels(tc.primary, tc.secondary))
|
|
}
|
|
}
|
|
|
|
func TestMetricTypeToMetricTypeProto(t *testing.T) {
|
|
tc := []struct {
|
|
desc string
|
|
input textparse.MetricType
|
|
expected prompb.MetricMetadata_MetricType
|
|
}{
|
|
{
|
|
desc: "with a single-word metric",
|
|
input: textparse.MetricTypeCounter,
|
|
expected: prompb.MetricMetadata_COUNTER,
|
|
},
|
|
{
|
|
desc: "with a two-word metric",
|
|
input: textparse.MetricTypeStateset,
|
|
expected: prompb.MetricMetadata_STATESET,
|
|
},
|
|
{
|
|
desc: "with an unknown metric",
|
|
input: "not-known",
|
|
expected: prompb.MetricMetadata_UNKNOWN,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tc {
|
|
t.Run(tt.desc, func(t *testing.T) {
|
|
m := metricTypeToMetricTypeProto(tt.input)
|
|
require.Equal(t, tt.expected, m)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDecodeWriteRequest(t *testing.T) {
|
|
buf, _, err := buildWriteRequest(writeRequestFixture.Timeseries, nil, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
actual, err := DecodeWriteRequest(bytes.NewReader(buf))
|
|
require.NoError(t, err)
|
|
require.Equal(t, writeRequestFixture, actual)
|
|
}
|
|
|
|
func TestNilHistogramProto(t *testing.T) {
|
|
// This function will panic if it impromperly handles nil
|
|
// values, causing the test to fail.
|
|
HistogramProtoToHistogram(prompb.Histogram{})
|
|
}
|