statsd_exporter/pkg/mapper/escape_test.go

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// Copyright 2020 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 mapper
import "testing"
func TestEscapeMetricName(t *testing.T) {
scenarios := map[string]string{
"clean": "clean",
"0starts_with_digit": "_0starts_with_digit",
"with_underscore": "with_underscore",
"with--doubledash": "with_doubledash",
"with---multiple-dashes": "with_multiple_dashes",
"with.dot": "with_dot",
"with😱emoji": "with_emoji",
"with.*.multiple": "with___multiple",
"test.web-server.foo.bar": "test_web_server_foo_bar",
"": "",
}
for in, want := range scenarios {
if got := EscapeMetricName(in); want != got {
t.Errorf("expected `%s` to be escaped to `%s`, got `%s`", in, want, got)
}
}
}
func BenchmarkEscapeMetricName(b *testing.B) {
scenarios := []string{
"clean",
"0starts_with_digit",
"with_underscore",
"with--doubledash",
"with---multiple-dashes",
"with.dot",
"with😱emoji",
"with.*.multiple",
"test.web-server.foo.bar",
"",
}
for _, s := range scenarios {
b.Run(s, func(b *testing.B) {
for n := 0; n < b.N; n++ {
EscapeMetricName(s)
}
})
}
}