prometheus/pkg/labels/matcher_test.go

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2017-10-10 17:13:55 -07:00
// 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"
func mustNewMatcher(t *testing.T, mType MatchType, value string) *Matcher {
m, err := NewMatcher(mType, "", value)
if err != nil {
t.Fatal(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 {
if test.matcher.Matches(test.value) != test.match {
t.Fatalf("Unexpected match result for matcher %v and value %q; want %v, got %v", test.matcher, test.value, test.match, !test.match)
}
}
}