github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/cmd/snap-update-ns/sorting_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 main
    21  
    22  import (
    23  	"sort"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/osutil"
    28  )
    29  
    30  type sortSuite struct{}
    31  
    32  var _ = Suite(&sortSuite{})
    33  
    34  func (s *sortSuite) TestTrailingSlashesComparison(c *C) {
    35  	// Naively sorted entries.
    36  	entries := []osutil.MountEntry{
    37  		{Dir: "/a/b"},
    38  		{Dir: "/a/b-1"},
    39  		{Dir: "/a/b-1/3"},
    40  		{Dir: "/a/b/c"},
    41  	}
    42  	sort.Sort(byOriginAndMagicDir(entries))
    43  	// Entries sorted as if they had a trailing slash.
    44  	c.Assert(entries, DeepEquals, []osutil.MountEntry{
    45  		{Dir: "/a/b-1"},
    46  		{Dir: "/a/b-1/3"},
    47  		{Dir: "/a/b"},
    48  		{Dir: "/a/b/c"},
    49  	})
    50  }
    51  
    52  func (s *sortSuite) TestParallelInstancesAndSimple(c *C) {
    53  	// Naively sorted entries.
    54  	entries := []osutil.MountEntry{
    55  		{Dir: "/a/b"},
    56  		{Dir: "/a/b-1"},
    57  		{Dir: "/snap/bar", Options: []string{osutil.XSnapdOriginOvername()}},
    58  		{Dir: "/a/b-1/3"},
    59  		{Dir: "/foo/bar", Options: []string{osutil.XSnapdOriginOvername()}},
    60  		{Dir: "/a/b/c"},
    61  	}
    62  	sort.Sort(byOriginAndMagicDir(entries))
    63  	// Entries sorted as if they had a trailing slash.
    64  	c.Assert(entries, DeepEquals, []osutil.MountEntry{
    65  		{Dir: "/foo/bar", Options: []string{osutil.XSnapdOriginOvername()}},
    66  		{Dir: "/snap/bar", Options: []string{osutil.XSnapdOriginOvername()}},
    67  		{Dir: "/a/b-1"},
    68  		{Dir: "/a/b-1/3"},
    69  		{Dir: "/a/b"},
    70  		{Dir: "/a/b/c"},
    71  	})
    72  }