package main import ( "archive/zip" "fmt" "io" "github.com/spf13/afero" "testing" ) func TestZipfs(t *testing.T) { fs := new(afero.MemMapFs) tf, err := fs.Create("/test.zip") if err != nil { t.Error(err) return } defer fs.Remove(tf.Name()) w := zip.NewWriter(tf) f, err := w.Create("moo.txt") if err != nil { t.Error(err) return } // no Close method _, err = fmt.Fprintln(f, "The cow goes moo") //.Write([]byte("The cow goes moo")) if err != nil { t.Error(err) return } w.Close() tf.Close() // Now read it in mb, err := OpenZipfs(fs, tf.Name()) if err != nil { t.Error(err) return } cow, err := mb.Open("moo.txt") if err != nil { t.Error(err) return } line := make([]byte, 200) n, err := cow.Read(line) if (err != nil) && (err != io.EOF) { t.Error(err) return } if string(line[:n]) != "The cow goes moo\n" { t.Log(line) t.Error("Contents didn't match") return } }