prometheus/model/labels/matcher_test.go

126 lines
3.0 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 labels
import (
"testing"
"github.com/stretchr/testify/require"
)
func mustNewMatcher(t *testing.T, mType MatchType, value string) *Matcher {
m, err := NewMatcher(mType, "", value)
require.NoError(t, err)
return m
}
func TestMatcher(t *testing.T) {
tests := []struct {
matcher *Matcher
value string
match bool
}{
{
matcher: mustNewMatcher(t, MatchEqual, "bar"),
value: "bar",
match: true,
},
{
matcher: mustNewMatcher(t, MatchEqual, "bar"),
value: "foo-bar",
match: false,
},
{
matcher: mustNewMatcher(t, MatchNotEqual, "bar"),
value: "bar",
match: false,
},
{
matcher: mustNewMatcher(t, MatchNotEqual, "bar"),
value: "foo-bar",
match: true,
},
{
matcher: mustNewMatcher(t, MatchRegexp, "bar"),
value: "bar",
match: true,
},
{
matcher: mustNewMatcher(t, MatchRegexp, "bar"),
value: "foo-bar",
match: false,
},
{
matcher: mustNewMatcher(t, MatchRegexp, ".*bar"),
value: "foo-bar",
match: true,
},
{
matcher: mustNewMatcher(t, MatchNotRegexp, "bar"),
value: "bar",
match: false,
},
{
matcher: mustNewMatcher(t, MatchNotRegexp, "bar"),
value: "foo-bar",
match: true,
},
{
matcher: mustNewMatcher(t, MatchNotRegexp, ".*bar"),
value: "foo-bar",
match: false,
},
}
for _, test := range tests {
require.Equal(t, test.matcher.Matches(test.value), test.match)
}
}
func TestInverse(t *testing.T) {
tests := []struct {
matcher *Matcher
expected *Matcher
}{
{
matcher: &Matcher{Type: MatchEqual, Name: "name1", Value: "value1"},
expected: &Matcher{Type: MatchNotEqual, Name: "name1", Value: "value1"},
},
{
matcher: &Matcher{Type: MatchNotEqual, Name: "name2", Value: "value2"},
expected: &Matcher{Type: MatchEqual, Name: "name2", Value: "value2"},
},
{
matcher: &Matcher{Type: MatchRegexp, Name: "name3", Value: "value3"},
expected: &Matcher{Type: MatchNotRegexp, Name: "name3", Value: "value3"},
},
{
matcher: &Matcher{Type: MatchNotRegexp, Name: "name4", Value: "value4"},
expected: &Matcher{Type: MatchRegexp, Name: "name4", Value: "value4"},
},
}
for _, test := range tests {
result, err := test.matcher.Inverse()
require.NoError(t, err)
require.Equal(t, test.expected.Type, result.Type)
}
}
func BenchmarkMatchType_String(b *testing.B) {
for i := 0; i <= b.N; i++ {
_ = MatchType(i % int(MatchNotRegexp+1)).String()
}
}