github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/osutil/cp_linux_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2014-2015 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 osutil_test
    21  
    22  import (
    23  	"os"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/osutil"
    28  	"github.com/snapcore/snapd/testutil"
    29  )
    30  
    31  func (s *cpSuite) TestCpMulti(c *C) {
    32  	r := osutil.MockMaxCp(2)
    33  	defer r()
    34  
    35  	c.Check(osutil.CopyFile(s.f1, s.f2, osutil.CopyFlagDefault), IsNil)
    36  	c.Check(s.f2, testutil.FileEquals, s.data)
    37  }
    38  
    39  func (s *cpSuite) TestDoCpErr(c *C) {
    40  	f1, err := os.Open(s.f1)
    41  	c.Assert(err, IsNil)
    42  	st, err := f1.Stat()
    43  	c.Assert(err, IsNil)
    44  	// force an error by asking it to write to a readonly stream
    45  	c.Check(osutil.DoCopyFile(f1, os.Stdin, st), NotNil)
    46  }