github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/testutil/symlinktargetchecker_test.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 testutil_test
    21  
    22  import (
    23  	"os"
    24  	"path/filepath"
    25  	"regexp"
    26  
    27  	"gopkg.in/check.v1"
    28  
    29  	. "github.com/snapcore/snapd/testutil"
    30  )
    31  
    32  type symlinkTargetCheckerSuite struct {
    33  	d       string
    34  	symlink string
    35  	target  string
    36  }
    37  
    38  var _ = check.Suite(&symlinkTargetCheckerSuite{})
    39  
    40  func (s *symlinkTargetCheckerSuite) SetUpTest(c *check.C) {
    41  	s.d = c.MkDir()
    42  	s.symlink = filepath.Join(s.d, "symlink")
    43  	s.target = "target"
    44  	c.Assert(os.Symlink(s.target, s.symlink), check.IsNil)
    45  }
    46  
    47  func (s *symlinkTargetCheckerSuite) TestSymlinkTargetEquals(c *check.C) {
    48  	testInfo(c, SymlinkTargetEquals, "SymlinkTargetEquals", []string{"filename", "target"})
    49  	testCheck(c, SymlinkTargetEquals, true, "", s.symlink, s.target)
    50  
    51  	testCheck(c, SymlinkTargetEquals, false, "Failed to match with symbolic link target:\ntarget", s.symlink, "not-target")
    52  	testCheck(c, SymlinkTargetEquals, false, `Cannot read symbolic link: readlink missing: no such file or directory`, "missing", "")
    53  	testCheck(c, SymlinkTargetEquals, false, "Filename must be a string", 42, "")
    54  	testCheck(c, SymlinkTargetEquals, false, "Cannot compare symbolic link target with something of type int", s.symlink, 1)
    55  }
    56  
    57  func (s *symlinkTargetCheckerSuite) TestSymlinkTargetContains(c *check.C) {
    58  	testInfo(c, SymlinkTargetContains, "SymlinkTargetContains", []string{"filename", "target"})
    59  	testCheck(c, SymlinkTargetContains, true, "", s.symlink, s.target[1:])
    60  	testCheck(c, SymlinkTargetContains, true, "", s.symlink, regexp.MustCompile(".*"))
    61  
    62  	testCheck(c, SymlinkTargetContains, false, "Failed to match with symbolic link target:\ntarget", s.symlink, "not-target")
    63  	testCheck(c, SymlinkTargetContains, false, "Failed to match with symbolic link target:\ntarget", s.symlink, regexp.MustCompile("^$"))
    64  	testCheck(c, SymlinkTargetContains, false, `Cannot read symbolic link: readlink missing: no such file or directory`, "missing", "")
    65  	testCheck(c, SymlinkTargetContains, false, "Filename must be a string", 42, "")
    66  	testCheck(c, SymlinkTargetContains, false, "Cannot compare symbolic link target with something of type int", s.symlink, 1)
    67  }
    68  
    69  func (s *symlinkTargetCheckerSuite) TestSymlinkTargetMatches(c *check.C) {
    70  	testInfo(c, SymlinkTargetMatches, "SymlinkTargetMatches", []string{"filename", "regex"})
    71  	testCheck(c, SymlinkTargetMatches, true, "", s.symlink, ".*")
    72  	testCheck(c, SymlinkTargetMatches, true, "", s.symlink, "^"+regexp.QuoteMeta(s.target)+"$")
    73  
    74  	testCheck(c, SymlinkTargetMatches, false, "Failed to match with symbolic link target:\ntarget", s.symlink, "^$")
    75  	testCheck(c, SymlinkTargetMatches, false, "Failed to match with symbolic link target:\ntarget", s.symlink, "123"+regexp.QuoteMeta(s.target))
    76  	testCheck(c, SymlinkTargetMatches, false, `Cannot read symbolic link: readlink missing: no such file or directory`, "missing", "")
    77  	testCheck(c, SymlinkTargetMatches, false, "Filename must be a string", 42, ".*")
    78  	testCheck(c, SymlinkTargetMatches, false, "Regex must be a string", s.symlink, 1)
    79  }