mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-16 10:34:06 -08:00
d2abe9a58a
* Shortcut Matrix.ContainsSameLabelset() It's quite often to execute this check on a Matrix that has zero or only one series. There's no need to allocate a map for those cases. There's also a one-liner for two-series case, so why not using it? Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com> * Add license header Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com> * Optimize Vector.ContainsSameLabelset Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
// Copyright 2022 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 promql
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/prometheus/prometheus/model/labels"
|
|
)
|
|
|
|
func TestVector_ContainsSameLabelset(t *testing.T) {
|
|
for name, tc := range map[string]struct {
|
|
vector Vector
|
|
expected bool
|
|
}{
|
|
"empty vector": {
|
|
vector: Vector{},
|
|
expected: false,
|
|
},
|
|
"vector with one series": {
|
|
vector: Vector{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
},
|
|
expected: false,
|
|
},
|
|
"vector with two different series": {
|
|
vector: Vector{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
{Metric: labels.FromStrings("lbl", "b")},
|
|
},
|
|
expected: false,
|
|
},
|
|
"vector with two equal series": {
|
|
vector: Vector{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
},
|
|
expected: true,
|
|
},
|
|
"vector with three series, two equal": {
|
|
vector: Vector{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
{Metric: labels.FromStrings("lbl", "b")},
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
},
|
|
expected: true,
|
|
},
|
|
} {
|
|
t.Run(name, func(t *testing.T) {
|
|
require.Equal(t, tc.expected, tc.vector.ContainsSameLabelset())
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMatrix_ContainsSameLabelset(t *testing.T) {
|
|
for name, tc := range map[string]struct {
|
|
matrix Matrix
|
|
expected bool
|
|
}{
|
|
"empty matrix": {
|
|
matrix: Matrix{},
|
|
expected: false,
|
|
},
|
|
"matrix with one series": {
|
|
matrix: Matrix{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
},
|
|
expected: false,
|
|
},
|
|
"matrix with two different series": {
|
|
matrix: Matrix{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
{Metric: labels.FromStrings("lbl", "b")},
|
|
},
|
|
expected: false,
|
|
},
|
|
"matrix with two equal series": {
|
|
matrix: Matrix{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
},
|
|
expected: true,
|
|
},
|
|
"matrix with three series, two equal": {
|
|
matrix: Matrix{
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
{Metric: labels.FromStrings("lbl", "b")},
|
|
{Metric: labels.FromStrings("lbl", "a")},
|
|
},
|
|
expected: true,
|
|
},
|
|
} {
|
|
t.Run(name, func(t *testing.T) {
|
|
require.Equal(t, tc.expected, tc.matrix.ContainsSameLabelset())
|
|
})
|
|
}
|
|
}
|