mirror of
https://github.com/gravitational/teleport.git
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113 lines
2.7 KiB
Go
113 lines
2.7 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package linux_test
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import (
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"fmt"
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"io/fs"
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"slices"
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"testing"
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"testing/fstest"
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"github.com/google/go-cmp/cmp"
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"github.com/stretchr/testify/assert"
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"github.com/gravitational/teleport/lib/linux"
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)
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type permErrorFS struct {
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fstest.MapFS
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PermissionDeniedFiles []string
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}
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func (p *permErrorFS) Open(name string) (fs.File, error) {
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if slices.Contains(p.PermissionDeniedFiles, name) {
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return nil, fmt.Errorf("open %s: %w", name, fs.ErrPermission)
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}
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return p.MapFS.Open(name)
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}
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func TestDMI(t *testing.T) {
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successFS := fstest.MapFS{
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"product_name": &fstest.MapFile{
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Data: []byte("21J50013US\n"),
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},
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"product_serial": &fstest.MapFile{
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Data: []byte("PF0A0AAA\n"),
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},
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"board_serial": &fstest.MapFile{
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Data: []byte("L1AA00A00A0\n"),
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},
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"chassis_asset_tag": &fstest.MapFile{
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Data: []byte("No Asset Information\n"),
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},
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}
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realisticFS := permErrorFS{
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MapFS: successFS,
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PermissionDeniedFiles: []string{
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// Only root can read those in various Linux system.
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"product_serial",
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"board_serial",
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},
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}
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tests := []struct {
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name string
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fs fs.FS
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wantDMI *linux.DMIInfo
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wantErr string
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}{
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{
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name: "success",
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fs: successFS,
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wantDMI: &linux.DMIInfo{
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ProductName: "21J50013US",
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ProductSerial: "PF0A0AAA",
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BoardSerial: "L1AA00A00A0",
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ChassisAssetTag: "No Asset Information",
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},
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},
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{
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name: "realistic",
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fs: &realisticFS,
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wantDMI: &linux.DMIInfo{
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ProductName: "21J50013US",
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ChassisAssetTag: "No Asset Information",
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},
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wantErr: "permission denied",
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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got, err := linux.DMIInfoFromFS(test.fs)
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if test.wantErr == "" {
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assert.NoError(t, err, "DMIInfoFromFS")
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} else {
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assert.ErrorContains(t, err, test.wantErr, "DMIInfoFromFS error mismatch")
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}
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if diff := cmp.Diff(test.wantDMI, got); diff != "" {
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t.Errorf("DMIInfoFromFS mismatch (-want +got)\n%s", diff)
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}
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})
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}
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}
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