node_exporter/collector/paths_test.go

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// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"testing"
"github.com/alecthomas/kingpin/v2"
"github.com/prometheus/procfs"
)
func TestDefaultProcPath(t *testing.T) {
if _, err := kingpin.CommandLine.Parse([]string{"--path.procfs", procfs.DefaultMountPoint}); err != nil {
t.Fatal(err)
}
if got, want := procFilePath("somefile"), "/proc/somefile"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
if got, want := procFilePath("some/file"), "/proc/some/file"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
}
func TestCustomProcPath(t *testing.T) {
if _, err := kingpin.CommandLine.Parse([]string{"--path.procfs", "./../some/./place/"}); err != nil {
t.Fatal(err)
}
if got, want := procFilePath("somefile"), "../some/place/somefile"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
if got, want := procFilePath("some/file"), "../some/place/some/file"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
}
func TestDefaultSysPath(t *testing.T) {
if _, err := kingpin.CommandLine.Parse([]string{"--path.sysfs", "/sys"}); err != nil {
t.Fatal(err)
}
if got, want := sysFilePath("somefile"), "/sys/somefile"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
if got, want := sysFilePath("some/file"), "/sys/some/file"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
}
func TestCustomSysPath(t *testing.T) {
if _, err := kingpin.CommandLine.Parse([]string{"--path.sysfs", "./../some/./place/"}); err != nil {
t.Fatal(err)
}
if got, want := sysFilePath("somefile"), "../some/place/somefile"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
if got, want := sysFilePath("some/file"), "../some/place/some/file"; got != want {
t.Errorf("Expected: %s, Got: %s", want, got)
}
}