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75 lines
1.8 KiB
75 lines
1.8 KiB
//go:build linux || darwin || freebsd || openbsd || netbsd || dragonfly
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/*
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Copyright 2016 The Kubernetes 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package flock
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import (
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"os/exec"
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"strings"
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"testing"
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)
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// checkLock checks whether any process is using the lock
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func checkLock(path string) bool {
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lockByte, _ := exec.Command("lsof", "-w", "-F", "lfn", path).Output()
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locks := string(lockByte)
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if locks == "" {
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return false
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}
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readWriteLock := strings.Split(locks, "\n")[2]
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return readWriteLock == "lR" || readWriteLock == "lW"
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}
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func Test_UnitFlock(t *testing.T) {
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tests := []struct {
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name string
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path string
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wantCheck bool
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wantErr bool
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}{
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{
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name: "Basic Flock Test",
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path: "/tmp/testlock.test",
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wantCheck: true,
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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lock, err := Acquire(tt.path)
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if (err != nil) != tt.wantErr {
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t.Errorf("Acquire() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got := checkLock(tt.path); got != tt.wantCheck {
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t.Errorf("CheckLock() = %+v\nWant = %+v", got, tt.wantCheck)
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}
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if err := Release(lock); (err != nil) != tt.wantErr {
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t.Errorf("Release() error = %v, wantErr %v", err, tt.wantErr)
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}
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if got := checkLock(tt.path); got == tt.wantCheck {
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t.Errorf("CheckLock() = %+v\nWant = %+v", got, !tt.wantCheck)
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}
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})
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}
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}
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