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// Copyright 2013 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 model
import (
"sort"
"testing"
)
func testLabelNames(t testing.TB) {
scenarios := []struct {
in LabelNames
out LabelNames
}{
{
in: LabelNames{"ZZZ", "zzz"},
out: LabelNames{"ZZZ", "zzz"},
},
{
in: LabelNames{"aaa", "AAA"},
out: LabelNames{"AAA", "aaa"},
},
}
for i, scenario := range scenarios {
sort.Sort(scenario.in)
for j, expected := range scenario.out {
if expected != scenario.in[j] {
t.Errorf("%d.%d expected %s, got %s", i, j, expected, scenario.in[j])
}
}
}
}
func TestLabelNames(t *testing.T) {
testLabelNames(t)
}
func BenchmarkLabelNames(b *testing.B) {
for i := 0; i < b.N; i++ {
testLabelNames(b)
}
}
func testLabelValues(t testing.TB) {
scenarios := []struct {
in LabelValues
out LabelValues
}{
{
in: LabelValues{"ZZZ", "zzz"},
out: LabelValues{"ZZZ", "zzz"},
},
{
in: LabelValues{"aaa", "AAA"},
out: LabelValues{"AAA", "aaa"},
},
}
for i, scenario := range scenarios {
sort.Sort(scenario.in)
for j, expected := range scenario.out {
if expected != scenario.in[j] {
t.Errorf("%d.%d expected %s, got %s", i, j, expected, scenario.in[j])
}
}
}
}
func TestLabelValues(t *testing.T) {
testLabelValues(t)
}
func BenchmarkLabelValues(b *testing.B) {
for i := 0; i < b.N; i++ {
testLabelValues(b)
}
}
func TestLabelNameIsValid(t *testing.T) {
scenarios := []struct {
ln LabelName
legacyValid bool
utf8Valid bool
}{
{
ln: "Avalid_23name",
legacyValid: true,
utf8Valid: true,
},
{
ln: "_Avalid_23name",
legacyValid: true,
utf8Valid: true,
},
{
ln: "1valid_23name",
legacyValid: false,
utf8Valid: true,
},
{
ln: "avalid_23name",
legacyValid: true,
utf8Valid: true,
},
{
ln: "Ava:lid_23name",
legacyValid: false,
utf8Valid: true,
},
{
ln: "a lid_23name",
legacyValid: false,
utf8Valid: true,
},
{
ln: ":leading_colon",
legacyValid: false,
utf8Valid: true,
},
{
ln: "colon:in:the:middle",
legacyValid: false,
utf8Valid: true,
},
{
ln: "a\xc5z",
legacyValid: false,
utf8Valid: false,
},
}
for _, s := range scenarios {
NameValidationScheme = LegacyValidation
if s.ln.IsValid() != s.legacyValid {
t.Errorf("Expected %v for %q using legacy IsValid method", s.legacyValid, s.ln)
}
if LabelNameRE.MatchString(string(s.ln)) != s.legacyValid {
t.Errorf("Expected %v for %q using legacy regexp match", s.legacyValid, s.ln)
}
NameValidationScheme = UTF8Validation
if s.ln.IsValid() != s.utf8Valid {
t.Errorf("Expected %v for %q using UTF-8 IsValid method", s.legacyValid, s.ln)
}
}
}
func TestSortLabelPairs(t *testing.T) {
labelPairs := LabelPairs{
{
Name: "FooName",
Value: "FooValue",
},
{
Name: "FooName",
Value: "BarValue",
},
{
Name: "BarName",
Value: "FooValue",
},
{
Name: "BazName",
Value: "BazValue",
},
{
Name: "BarName",
Value: "FooValue",
},
{
Name: "BazName",
Value: "FazValue",
},
}
sort.Sort(labelPairs)
expectedLabelPairs := LabelPairs{
{
Name: "BarName",
Value: "FooValue",
},
{
Name: "BarName",
Value: "FooValue",
},
{
Name: "BazName",
Value: "BazValue",
},
{
Name: "BazName",
Value: "FazValue",
},
{
Name: "FooName",
Value: "BarValue",
},
}
for i, expected := range expectedLabelPairs {
if expected.Name != labelPairs[i].Name || expected.Value != labelPairs[i].Value {
t.Errorf("%d expected %s, got %s", i, expected, labelPairs[i])
}
}
}