github.com/chipaca/snappy@v0.0.0-20210104084008-1f06296fe8ad/dbusutil/dbustest/stub.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2020 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package dbustest
    21  
    22  import (
    23  	"github.com/godbus/dbus"
    24  )
    25  
    26  // stubReadWriteCloser implements ReadWriteCloser for dbus.NewConn
    27  type stubReadWriteCloser struct{}
    28  
    29  func (*stubReadWriteCloser) Read(p []byte) (n int, err error) {
    30  	return 0, nil
    31  }
    32  
    33  func (*stubReadWriteCloser) Write(p []byte) (n int, err error) {
    34  	return 0, nil
    35  }
    36  
    37  func (*stubReadWriteCloser) Close() error {
    38  	return nil
    39  }
    40  
    41  // StubConnection returns a dbus connection that does nothing.
    42  //
    43  // Using dbustest.Connection panics as the goroutines spawned by
    44  // go-dbus do not expect the connection to be immediately closed.
    45  func StubConnection() (*dbus.Conn, error) {
    46  	return dbus.NewConn(&stubReadWriteCloser{})
    47  }