| 15 | } |
| 16 | |
| 17 | func TestWriteFromPTY(t *testing.T) { |
| 18 | connInPipeReader, connInPipeWriter := io.Pipe() // in to conn |
| 19 | connOutPipeReader, _ := io.Pipe() // out from conn |
| 20 | |
| 21 | conn := pipePair{ |
| 22 | connOutPipeReader, |
| 23 | connInPipeWriter, |
| 24 | } |
| 25 | dt, err := New(conn) |
| 26 | if err != nil { |
| 27 | t.Fatalf("Unexpected error from New(): %s", err) |
| 28 | } |
| 29 | |
| 30 | ctx, cancel := context.WithCancel(context.Background()) |
| 31 | var wg sync.WaitGroup |
| 32 | wg.Add(1) |
| 33 | go func() { |
| 34 | wg.Done() |
| 35 | err := dt.Run(ctx) |
| 36 | if err != nil { |
| 37 | t.Fatalf("Unexpected error from Run(): %s", err) |
| 38 | } |
| 39 | }() |
| 40 | |
| 41 | message := []byte("foobar") |
| 42 | n, err := dt.TTY().Write(message) |
| 43 | if err != nil { |
| 44 | t.Fatalf("Unexpected error from Write(): %s", err) |
| 45 | } |
| 46 | if n != len(message) { |
| 47 | t.Fatalf("Write() accepted `%d` for message `%s`", n, message) |
| 48 | } |
| 49 | |
| 50 | buf := make([]byte, 1024) |
| 51 | n, err = connInPipeReader.Read(buf) |
| 52 | if err != nil { |
| 53 | t.Fatalf("Unexpected error from Read(): %s", err) |
| 54 | } |
| 55 | if buf[0] != Output { |
| 56 | t.Fatalf("Unexpected message type `%c`", buf[0]) |
| 57 | } |
| 58 | decoded := make([]byte, 1024) |
| 59 | n, err = base64.StdEncoding.Decode(decoded, buf[1:n]) |
| 60 | if err != nil { |
| 61 | t.Fatalf("Unexpected error from Decode(): %s", err) |
| 62 | } |
| 63 | if !bytes.Equal(decoded[:n], message) { |
| 64 | t.Fatalf("Unexpected message received: `%s`", decoded[:n]) |
| 65 | } |
| 66 | |
| 67 | cancel() |
| 68 | wg.Wait() |
| 69 | } |
| 70 | |
| 71 | func TestWriteFromConn(t *testing.T) { |
| 72 | connInPipeReader, connInPipeWriter := io.Pipe() // in to conn |