72 lines
1.0 KiB
Go
72 lines
1.0 KiB
Go
package lockfile_test
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import (
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"io/ioutil"
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"os"
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"testing"
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"kdelsd/lockfile"
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)
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func tmpFile() string {
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tf, err := ioutil.TempFile("", "lockfile_test*")
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if err != nil {
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panic(err)
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}
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return tf.Name()
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}
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func TestNotLockedUnlockPanics(t *testing.T) {
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defer func() {
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if r := recover(); r == nil {
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t.Errorf("Unlock() did not panic")
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}
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}()
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tf := tmpFile()
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defer os.Remove(tf)
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err := lockfile.New(tf).Unlock()
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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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func TestSecondLockFails(t *testing.T) {
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tf := tmpFile()
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defer os.Remove(tf)
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fl1 := lockfile.New(tf)
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err := fl1.Lock()
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if err != nil {
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panic(err)
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}
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defer fl1.Unlock()
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fl2 := lockfile.New(tf)
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err = fl2.Lock()
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if err == nil {
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t.Errorf("Second Lock() did not fail")
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}
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}
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func TestLockUnlock(t *testing.T) {
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tf := tmpFile()
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defer os.Remove(tf)
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fl := lockfile.New(tf)
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err := fl.Lock()
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if err != nil {
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panic(err)
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}
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err = fl.Unlock()
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if err != nil {
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panic(err)
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}
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if _, err := os.Stat(tf); !os.IsNotExist(err) {
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t.Errorf("Lockfile %s still exists", tf)
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}
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}
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