mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-28 06:59:44 -08:00
79 lines
2 KiB
Go
79 lines
2 KiB
Go
// Copyright 2015 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 collector
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import (
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"flag"
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"io/ioutil"
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"sort"
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"strings"
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"testing"
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"github.com/golang/protobuf/proto"
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)
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func TestParseTextFiles(t *testing.T) {
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tests := []struct {
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path string
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out string
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}{
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{
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path: "fixtures/textfile/no_metric_files",
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out: "fixtures/textfile/no_metric_files.out",
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},
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{
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path: "fixtures/textfile/two_metric_files",
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out: "fixtures/textfile/two_metric_files.out",
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},
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{
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path: "fixtures/textfile/nonexistent_path",
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out: "fixtures/textfile/nonexistent_path.out",
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},
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}
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for i, test := range tests {
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c := textFileCollector{
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path: test.path,
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}
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// Suppress a log message about `nonexistent_path` not existing, this is
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// expected and clutters the test output.
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err := flag.Set("log.level", "fatal")
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if err != nil {
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t.Fatal(err)
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}
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mfs := c.parseTextFiles()
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textMFs := make([]string, 0, len(mfs))
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for _, mf := range mfs {
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if mf.GetName() == "node_textfile_mtime" {
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mf.GetMetric()[0].GetGauge().Value = proto.Float64(1)
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mf.GetMetric()[1].GetGauge().Value = proto.Float64(2)
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}
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textMFs = append(textMFs, proto.MarshalTextString(mf))
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}
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sort.Strings(textMFs)
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got := strings.Join(textMFs, "")
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want, err := ioutil.ReadFile(test.out)
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if err != nil {
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t.Fatalf("%d. error reading fixture file %s: %s", i, test.out, err)
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}
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if string(want) != got {
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t.Fatalf("%d. want:\n\n%s\n\ngot:\n\n%s", i, string(want), got)
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}
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}
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}
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