prometheus/promql/value_test.go

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// 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_test
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/prometheus/prometheus/model/labels"
"github.com/prometheus/prometheus/promql"
)
func TestVector_ContainsSameLabelset(t *testing.T) {
for name, tc := range map[string]struct {
vector promql.Vector
expected bool
}{
"empty vector": {
vector: promql.Vector{},
expected: false,
},
"vector with one series": {
vector: promql.Vector{
{Metric: labels.FromStrings("lbl", "a")},
},
expected: false,
},
"vector with two different series": {
vector: promql.Vector{
{Metric: labels.FromStrings("lbl", "a")},
{Metric: labels.FromStrings("lbl", "b")},
},
expected: false,
},
"vector with two equal series": {
vector: promql.Vector{
{Metric: labels.FromStrings("lbl", "a")},
{Metric: labels.FromStrings("lbl", "a")},
},
expected: true,
},
"vector with three series, two equal": {
vector: promql.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 promql.Matrix
expected bool
}{
"empty matrix": {
matrix: promql.Matrix{},
expected: false,
},
"matrix with one series": {
matrix: promql.Matrix{
{Metric: labels.FromStrings("lbl", "a")},
},
expected: false,
},
"matrix with two different series": {
matrix: promql.Matrix{
{Metric: labels.FromStrings("lbl", "a")},
{Metric: labels.FromStrings("lbl", "b")},
},
expected: false,
},
"matrix with two equal series": {
matrix: promql.Matrix{
{Metric: labels.FromStrings("lbl", "a")},
{Metric: labels.FromStrings("lbl", "a")},
},
expected: true,
},
"matrix with three series, two equal": {
matrix: promql.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())
})
}
}