// TestDirectory creates a new temporary directory and returns its path.
// The contents of directory at path `templateDir` is copied into the
// new directory.
func TestDirectory(templateDir string) (dir string, err error) {
if globalTestID == "" {
globalTestID = stringutils.GenerateRandomString()[:4]
}
prefix := fmt.Sprintf("docker-test%s-%s-", globalTestID, GetCallerName(2))
if prefix == "" {
prefix = "docker-test-"
}
dir, err = ioutil.TempDir("", prefix)
if err = os.Remove(dir); err != nil {
return
}
if templateDir != "" {
if err = archive.CopyWithTar(templateDir, dir); err != nil {
return
}
}
return
}
// New initializes a new engine.
func New() *Engine {
eng := &Engine{
handlers: make(map[string]Handler),
id: stringutils.GenerateRandomString(),
Stdout: os.Stdout,
Stderr: os.Stderr,
Stdin: os.Stdin,
Logging: true,
}
eng.Register("commands", func(job *Job) error {
for _, name := range eng.commands() {
job.Printf("%s\n", name)
}
return nil
})
// Copy existing global handlers
for k, v := range globalHandlers {
eng.handlers[k] = v
}
return eng
}