71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
// Copyright 2020 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import (
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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)
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func TestCollectAndLintGood(t *testing.T) {
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cnt := prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "some_total",
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Help: "A value that represents a counter.",
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ConstLabels: prometheus.Labels{
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"label1": "value1",
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},
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},
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[]string{"foo"},
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)
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cnt.WithLabelValues("bar")
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cnt.WithLabelValues("baz")
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problems, err := CollectAndLint(cnt)
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if err != nil {
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t.Error("Unexpected error:", err)
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}
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if len(problems) > 0 {
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t.Error("Unexpected lint problems:", problems)
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}
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}
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func TestCollectAndLintBad(t *testing.T) {
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cnt := prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "someThing_ms",
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Help: "A value that represents a counter.",
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ConstLabels: prometheus.Labels{
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"label1": "value1",
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},
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},
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[]string{"fooBar"},
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)
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cnt.WithLabelValues("bar")
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cnt.WithLabelValues("baz")
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problems, err := CollectAndLint(cnt)
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if err != nil {
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t.Error("Unexpected error:", err)
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}
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if len(problems) < 5 {
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// The exact nature of the lint problems found is tested within
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// the promlint package itself. Here we only want to make sure
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// that the collector successfully hit the linter and got enough
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// problems flagged.
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t.Error("Not enough lint problems found.")
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}
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}
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