mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 14:06:38 +00:00
101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
// Copyright 2024 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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//go:build windows
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package testutils
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import (
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"io"
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"log/slog"
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"sync"
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"testing"
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"time"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/pkg/collector"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/stretchr/testify/require"
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)
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func FuncBenchmarkCollector[C collector.Collector](b *testing.B, name string, collectFunc collector.BuilderWithFlags[C]) {
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b.Helper()
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logger := slog.New(slog.NewTextHandler(io.Discard, nil))
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c := collectFunc(kingpin.CommandLine)
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collectors := collector.New(map[string]collector.Collector{name: c})
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require.NoError(b, collectors.Build(logger))
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metrics := make(chan prometheus.Metric)
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go func() {
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for {
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<-metrics
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}
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}()
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for i := 0; i < b.N; i++ {
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require.NoError(b, c.Collect(metrics))
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}
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}
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func TestCollector[C collector.Collector, V interface{}](t *testing.T, fn func(*V) C, conf *V) {
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t.Helper()
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var (
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metrics []prometheus.Metric
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err error
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)
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logger := slog.New(slog.NewTextHandler(io.Discard, nil))
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c := fn(conf)
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ch := make(chan prometheus.Metric, 10000)
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miApp, err := mi.Application_Initialize()
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require.NoError(t, err)
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miSession, err := miApp.NewSession(nil)
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require.NoError(t, err)
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t.Cleanup(func() {
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require.NoError(t, c.Close())
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require.NoError(t, miSession.Close())
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require.NoError(t, miApp.Close())
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})
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wg := sync.WaitGroup{}
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wg.Add(1)
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go func() {
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defer wg.Done()
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for metric := range ch {
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metrics = append(metrics, metric)
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}
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}()
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require.NoError(t, c.Build(logger, miSession))
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time.Sleep(1 * time.Second)
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require.NoError(t, c.Collect(ch))
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close(ch)
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wg.Wait()
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require.NotEmpty(t, metrics)
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}
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