mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-26 22:19:44 -08:00
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
// Copyright 2021 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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"os"
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"reflect"
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"strings"
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"testing"
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"github.com/go-kit/log"
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)
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const debianBullseye string = `PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
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NAME="Debian GNU/Linux"
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VERSION_ID="11"
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VERSION="11 (bullseye)"
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VERSION_CODENAME=bullseye
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ID=debian
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HOME_URL="https://www.debian.org/"
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SUPPORT_URL="https://www.debian.org/support"
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BUG_REPORT_URL="https://bugs.debian.org/"
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`
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func TestParseOSRelease(t *testing.T) {
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want := &osRelease{
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Name: "Ubuntu",
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ID: "ubuntu",
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IDLike: "debian",
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PrettyName: "Ubuntu 20.04.2 LTS",
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Version: "20.04.2 LTS (Focal Fossa)",
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VersionID: "20.04",
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VersionCodename: "focal",
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}
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osReleaseFile, err := os.Open("fixtures" + usrLibOSRelease)
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if err != nil {
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t.Fatal(err)
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}
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defer osReleaseFile.Close()
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got, err := parseOSRelease(osReleaseFile)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(want, got) {
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t.Fatalf("should have %+v osRelease: got %+v", want, got)
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}
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want = &osRelease{
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Name: "Debian GNU/Linux",
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ID: "debian",
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PrettyName: "Debian GNU/Linux 11 (bullseye)",
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Version: "11 (bullseye)",
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VersionID: "11",
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VersionCodename: "bullseye",
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}
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got, err = parseOSRelease(strings.NewReader(debianBullseye))
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(want, got) {
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t.Fatalf("should have %+v osRelease: got %+v", want, got)
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}
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}
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func TestUpdateStruct(t *testing.T) {
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wantedOS := &osRelease{
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Name: "Ubuntu",
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ID: "ubuntu",
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IDLike: "debian",
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PrettyName: "Ubuntu 20.04.2 LTS",
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Version: "20.04.2 LTS (Focal Fossa)",
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VersionID: "20.04",
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VersionCodename: "focal",
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}
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wantedVersion := 20.04
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collector, err := NewOSCollector(log.NewNopLogger())
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if err != nil {
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t.Fatal(err)
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}
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c := collector.(*osReleaseCollector)
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err = c.UpdateStruct("fixtures" + usrLibOSRelease)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(wantedOS, c.os) {
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t.Fatalf("should have %+v osRelease: got %+v", wantedOS, c.os)
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}
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if wantedVersion != c.version {
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t.Errorf("Expected '%v' but got '%v'", wantedVersion, c.version)
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}
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}
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