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opentelemetry-go/exporters/metric/prometheus/sanitize_test.go
Tyler Yahn a485d0ec64
Update License header for all source files (#586)
* Update License header for all source files

- Add Apache 2.0 header to source files that did not have one.
- Update all existing headers dated to 2019 to be 2020
- Remove comma from License header to comply with the Apache 2.0
  guidelines.

* Update Copyright notice

Use the standard Copyright notices outlined by the
[CNCF](https://github.com/cncf/foundation/blob/master/copyright-notices.md#copyright-notices)
2020-03-23 22:41:10 -07:00

62 lines
1.5 KiB
Go

// Copyright The OpenTelemetry 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 prometheus
import (
"testing"
)
func TestSanitize(t *testing.T) {
tests := []struct {
name string
input string
want string
}{
{
name: "replace character",
input: "test/key-1",
want: "test_key_1",
},
{
name: "add prefix if starting with digit",
input: "0123456789",
want: "key_0123456789",
},
{
name: "add prefix if starting with _",
input: "_0123456789",
want: "key_0123456789",
},
{
name: "starts with _ after sanitization",
input: "/0123456789",
want: "key_0123456789",
},
{
name: "valid input",
input: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789",
want: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got, want := sanitize(tt.input), tt.want; got != want {
t.Errorf("sanitize() = %q; want %q", got, want)
}
})
}
}