| // +build linux freebsd |
| |
| package system // import "github.com/docker/docker/pkg/system" |
| |
| import ( |
| "io/ioutil" |
| "os" |
| "path/filepath" |
| "syscall" |
| "testing" |
| ) |
| |
| // prepareFiles creates files for testing in the temp directory |
| func prepareFiles(t *testing.T) (string, string, string, string) { |
| dir, err := ioutil.TempDir("", "docker-system-test") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| file := filepath.Join(dir, "exist") |
| if err := ioutil.WriteFile(file, []byte("hello"), 0644); err != nil { |
| t.Fatal(err) |
| } |
| |
| invalid := filepath.Join(dir, "doesnt-exist") |
| |
| symlink := filepath.Join(dir, "symlink") |
| if err := os.Symlink(file, symlink); err != nil { |
| t.Fatal(err) |
| } |
| |
| return file, invalid, symlink, dir |
| } |
| |
| func TestLUtimesNano(t *testing.T) { |
| file, invalid, symlink, dir := prepareFiles(t) |
| defer os.RemoveAll(dir) |
| |
| before, err := os.Stat(file) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| ts := []syscall.Timespec{{Sec: 0, Nsec: 0}, {Sec: 0, Nsec: 0}} |
| if err := LUtimesNano(symlink, ts); err != nil { |
| t.Fatal(err) |
| } |
| |
| symlinkInfo, err := os.Lstat(symlink) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if before.ModTime().Unix() == symlinkInfo.ModTime().Unix() { |
| t.Fatal("The modification time of the symlink should be different") |
| } |
| |
| fileInfo, err := os.Stat(file) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if before.ModTime().Unix() != fileInfo.ModTime().Unix() { |
| t.Fatal("The modification time of the file should be same") |
| } |
| |
| if err := LUtimesNano(invalid, ts); err == nil { |
| t.Fatal("Doesn't return an error on a non-existing file") |
| } |
| } |