Method ReadLine

pty/ptytest/ptytest.go:278–325

(ctx context.Context)

}

func (e *outExpecter) ReadLine(ctx context.Context) string {
	e.t.Helper()

	var buffer bytes.Buffer
	err := e.doMatchWithDeadline(ctx, "ReadLine", func(rd *bufio.Reader) error {
		for {
			r, _, err := rd.ReadRune()
			if err != nil {
				return err
			}
			if r == '\n' {
				return nil
			}
			if r == '\r' {
				// Peek the next rune to see if it's an LF and then consume
				// it.

				// Unicode code points can be up to 4 bytes, but the
				// ones we're looking for are only 1 byte.
				b, _ := rd.Peek(1)
				if len(b) == 0 {
					return nil
				}

				r, _ = utf8.DecodeRune(b)
				if r == '\n' {
					_, _, err = rd.ReadRune()
					if err != nil {
						return err
					}
				}

				return nil
			}

			_, err = buffer.WriteRune(r)
			if err != nil {
				return err
			}
		}
	})
	if err != nil {
		e.fatalf("read error", "%v (wanted newline; got %q)", err, buffer.String())
		return ""
	}
	e.logf("matched newline = %q", buffer.String())
	return buffer.String()
}

func (e *outExpecter) ReadAll() []byte {
	e.t.Helper()