github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/osutil/fshelpers_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2017 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
    21  
    22  import (
    23  	"io/ioutil"
    24  	"os"
    25  	"path/filepath"
    26  	"strconv"
    27  
    28  	. "gopkg.in/check.v1"
    29  )
    30  
    31  type groupFindGidOwningSuite struct{}
    32  
    33  var _ = Suite(&groupFindGidOwningSuite{})
    34  
    35  func (s *groupFindGidOwningSuite) TestSelfOwnedFile(c *C) {
    36  	name := filepath.Join(c.MkDir(), "testownedfile")
    37  	err := ioutil.WriteFile(name, nil, 0644)
    38  	c.Assert(err, IsNil)
    39  
    40  	gid, err := FindGidOwning(name)
    41  	c.Check(err, IsNil)
    42  
    43  	self, err := RealUser()
    44  	c.Assert(err, IsNil)
    45  	c.Check(strconv.FormatUint(gid, 10), Equals, self.Gid)
    46  }
    47  
    48  func (s *groupFindGidOwningSuite) TestNoOwnedFile(c *C) {
    49  	_, err := FindGidOwning("/tmp/filedoesnotexistbutwhy")
    50  	c.Assert(err, DeepEquals, os.ErrNotExist)
    51  }