command.stdin.write(encode(self.command_prelude))

          if stdin_text:

              command.stdin.write(_echo_quote(encode(stdin_text)))

              command.stdin.write(b" | ")

  def _echo_quote(bytestring):

      """

      bytestring = bytestring.replace(b"\\", br"\\")

      bytestring = bytestring.replace(b"\0", br"\x00")

              raiseonerr=False,

          )

          print(tee.stderr_text)

          with open(test_file_path, "r") as f:

              assert f.read() == tee.stdout_text

              stdin_text=stdin_bytes,

              raiseonerr=False,

          )

          with open(test_file_path, "rb") as f:

              assert f.read() == tee.stdout_bytes

      def test_background_explicit_wait(self, multihost, tmpdir):

          host = multihost.host

          host.run_command('cat > ' + pipe_filename, stdin_text='expected value')

          cat.wait()

          assert cat.returncode == 0

      def test_background_context(self, multihost, tmpdir):

              host.run_command('cat > ' + pipe_filename,

                               stdin_text='expected value')

          assert cat.returncode == 0