104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
// hd-idle - spin down idle hard disks
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// Copyright (C) 2018 Andoni del Olmo
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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 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package io
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import (
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"fmt"
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"os"
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"testing"
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)
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func TestRealPath(t *testing.T) {
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type args struct {
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path string
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}
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tests := []struct {
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name string
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args args
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want string
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symlinkTarget string
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expectError bool
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}{
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{
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name: "only device name",
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args: args{path: "sda"},
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want: "sda",
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},
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{
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name: "full device path",
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args: args{path: "/tmp/dev/sda"},
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want: "sda",
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},
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{
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name: "wrong symlink by id",
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args: args{path: "/tmp/dev/disk/by-id/ata-SAMSUNG_HD103SJ"},
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want: "",
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expectError: true,
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},
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{
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name: "symlink by id",
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args: args{path: "/tmp/dev/disk/by-id/ata-SAMSUNG_HD103SJ"},
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want: "sdc",
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symlinkTarget: "/tmp/dev/sdc",
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},
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{
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name: "symlink to partition by id",
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args: args{path: "/tmp/dev/disk/by-label/disk2"},
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want: "sdc",
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symlinkTarget: "/tmp/dev/sdc1",
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},
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}
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for _, tt := range tests {
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err := os.RemoveAll("/tmp/dev")
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if err != nil {
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panic(err)
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}
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err = os.MkdirAll("/tmp/dev/disk/by-id", os.ModePerm)
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if err != nil {
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panic("cannot create tmp dir")
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}
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err = os.MkdirAll("/tmp/dev/disk/by-label", os.ModePerm)
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if err != nil {
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panic("cannot create tmp dir")
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}
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t.Run(tt.name, func(t *testing.T) {
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if len(tt.want) > 0 {
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disk := fmt.Sprintf("/tmp/dev/%s", tt.want)
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_, err := os.Create(disk)
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if err != nil {
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panic(err)
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}
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if len(tt.symlinkTarget) > 0 {
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err = os.Symlink(tt.symlinkTarget, tt.args.path)
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if err != nil {
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panic(err)
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}
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}
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}
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got, err := RealPath(tt.args.path)
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if err != nil && tt.expectError == false {
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panic(err)
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}
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if got != tt.want {
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t.Errorf("RealPath() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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