package test import ( "fmt" "github.com/coreos/coreos-cloudinit/pkg" ) type HttpClient struct { Resources map[string]string Err error } func (t *HttpClient) GetRetry(url string) ([]byte, error) { if t.Err != nil { return nil, t.Err } if val, ok := t.Resources[url]; ok { return []byte(val), nil } else { return nil, pkg.ErrNotFound{fmt.Errorf("not found: %q", url)} } } func (t *HttpClient) Get(url string) ([]byte, error) { return t.GetRetry(url) }