mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-10-17 10:09:05 +02:00
78 lines
2.6 KiB
Go
78 lines
2.6 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 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 textfile
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import (
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"log/slog"
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"os"
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"path/filepath"
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"testing"
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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 TestDuplicateAcrossFilesPreservesOtherMetrics(t *testing.T) {
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t.Parallel()
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directory := t.TempDir()
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require.NoError(t, os.WriteFile(filepath.Join(directory, "a.prom"), []byte("# HELP probe Shared probe.\nprobe{source=\"same\"} 1\n"), 0o600))
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require.NoError(t, os.WriteFile(filepath.Join(directory, "b.prom"), []byte("# HELP probe Shared probe.\nprobe{source=\"same\"} 2\nother 9\n"), 0o600))
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c := New(&Config{TextFileDirectories: []string{directory}})
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require.NoError(t, c.Build(slog.New(slog.DiscardHandler), nil))
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wrapper := &duplicateTestCollector{collector: c}
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registry := prometheus.NewRegistry()
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registry.MustRegister(wrapper)
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families, err := registry.Gather()
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require.NoError(t, err)
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require.ErrorContains(t, wrapper.err, "duplicate metric")
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require.ErrorContains(t, wrapper.err, "probe")
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require.ErrorContains(t, wrapper.err, "a.prom")
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require.ErrorContains(t, wrapper.err, "b.prom")
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seen := make(map[string]bool)
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for _, family := range families {
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seen[family.GetName()] = true
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switch family.GetName() {
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case "other":
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require.InDelta(t, 9, family.GetMetric()[0].GetUntyped().GetValue(), 1e-9)
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case "probe":
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require.Len(t, family.GetMetric(), 1)
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require.InDelta(t, 1, family.GetMetric()[0].GetUntyped().GetValue(), 1e-9)
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case "windows_textfile_mtime_seconds":
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require.Len(t, family.GetMetric(), 1)
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require.Equal(t, "a.prom", family.GetMetric()[0].GetLabel()[0].GetValue())
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}
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}
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require.True(t, seen["other"])
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require.True(t, seen["probe"])
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require.True(t, seen["windows_textfile_mtime_seconds"])
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}
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type duplicateTestCollector struct {
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collector *Collector
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err error
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}
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func (c *duplicateTestCollector) Describe(_ chan<- *prometheus.Desc) {}
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func (c *duplicateTestCollector) Collect(ch chan<- prometheus.Metric) {
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c.err = c.collector.Collect(ch, 0)
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}
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