72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
// 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 testutil
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
func TestCollectAndLintGood(t *testing.T) {
|
|
cnt := prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Name: "some_total",
|
|
Help: "A value that represents a counter.",
|
|
ConstLabels: prometheus.Labels{
|
|
"label1": "value1",
|
|
},
|
|
},
|
|
[]string{"foo"},
|
|
)
|
|
cnt.WithLabelValues("bar")
|
|
cnt.WithLabelValues("baz")
|
|
|
|
problems, err := CollectAndLint(cnt)
|
|
if err != nil {
|
|
t.Error("Unexpected error:", err)
|
|
}
|
|
if len(problems) > 0 {
|
|
t.Error("Unexpected lint problems:", problems)
|
|
}
|
|
}
|
|
|
|
func TestCollectAndLintBad(t *testing.T) {
|
|
cnt := prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Name: "someThing_ms",
|
|
Help: "A value that represents a counter.",
|
|
ConstLabels: prometheus.Labels{
|
|
"label1": "value1",
|
|
},
|
|
},
|
|
[]string{"fooBar"},
|
|
)
|
|
cnt.WithLabelValues("bar")
|
|
cnt.WithLabelValues("baz")
|
|
|
|
problems, err := CollectAndLint(cnt)
|
|
if err != nil {
|
|
t.Error("Unexpected error:", err)
|
|
}
|
|
if len(problems) < 5 {
|
|
// The exact nature of the lint problems found is tested within
|
|
// the promlint package itself. Here we only want to make sure
|
|
// that the collector successfully hits the linter and that at
|
|
// least the five problems that the linter could recognize at
|
|
// the time of writing this test are flagged.
|
|
t.Error("Not enough lint problems found.")
|
|
}
|
|
}
|