github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/systemd/escape_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 systemd_test
    21  
    22  import (
    23  	. "gopkg.in/check.v1"
    24  
    25  	"github.com/snapcore/snapd/systemd"
    26  )
    27  
    28  func (ts *SystemdTestSuite) TestEscapePath(c *C) {
    29  	tt := []struct {
    30  		in      string
    31  		out     string
    32  		comment string
    33  	}{
    34  		{
    35  			`Hallöchen, Meister`,
    36  			`Hall\xc3\xb6chen\x2c\x20Meister`,
    37  			`utf-8 char and spaces`,
    38  		},
    39  		{
    40  			`/tmp//waldi/foobar/`,
    41  			`tmp-waldi-foobar`,
    42  			`unclean path`,
    43  		},
    44  		{
    45  			`/.foo/.bar`,
    46  			`\x2efoo-.bar`,
    47  			`leading dot escaped differently`,
    48  		},
    49  		{
    50  			`.foo/.bar`,
    51  			`\x2efoo-.bar`,
    52  			`leading dot escaped differently (without leading slash)`,
    53  		},
    54  		{
    55  			// TODO: this case shouldn't work it should cause an error to be
    56  			// fully compatible with systemd-escape(1), but it's not documented
    57  			// how or why systemd-escape considers this kind of path to be
    58  			// invalid, so for now we just process it in an expected and
    59  			// deterministic way
    60  			`/top_level_1/../top_level_2/`,
    61  			`top_level_2`,
    62  			`invalid path`,
    63  		},
    64  		{
    65  			``,
    66  			`-`,
    67  			`empty string`,
    68  		},
    69  		{
    70  			`/`,
    71  			`-`,
    72  			`root /`,
    73  		},
    74  		{
    75  			`////////`,
    76  			`-`,
    77  			`root / unclean`,
    78  		},
    79  		{
    80  			`-`,
    81  			`\x2d`,
    82  			`just dash`,
    83  		},
    84  		{
    85  			`/run/ubuntu------data`,
    86  			`run-ubuntu\x2d\x2d\x2d\x2d\x2d\x2ddata`,
    87  			`consecutive dashes`,
    88  		},
    89  		{
    90  			`/path-with-forward-slash\`,
    91  			`path\x2dwith\x2dforward\x2dslash\x5c`,
    92  			`forward slash in path element`,
    93  		},
    94  		{
    95  			`/run/1000/numbers`,
    96  			`run-1000-numbers`,
    97  			`numbers`,
    98  		},
    99  		{
   100  			`/silly/path/,!@#$%^&*()`,
   101  			`silly-path-\x2c\x21\x40\x23\x24\x25\x5e\x26\x2a\x28\x29`,
   102  			`ascii punctuation`,
   103  		},
   104  		{
   105  			`/run/mnt/data`,
   106  			`run-mnt-data`,
   107  			`typical data initramfs mount`,
   108  		},
   109  		{
   110  			`run/mnt/data`,
   111  			`run-mnt-data`,
   112  			`typical data initramfs mount w/o leading slash`,
   113  		},
   114  		{
   115  			`/run/mnt/ubuntu-seed`,
   116  			`run-mnt-ubuntu\x2dseed`,
   117  			`typical ubuntu-seed initramfs mount`,
   118  		},
   119  		{
   120  			`/run/mnt/ubuntu data`,
   121  			`run-mnt-ubuntu\x20data`,
   122  			`path with space in it`,
   123  		},
   124  		{
   125  			`/run/mnt/ubuntu_data`,
   126  			`run-mnt-ubuntu_data`,
   127  			`path with underscore in it`,
   128  		},
   129  		{
   130  			` `,
   131  			`\x20`,
   132  			"space character",
   133  		},
   134  		{
   135  			`	`,
   136  			`\x09`,
   137  			`tab character`,
   138  		},
   139  		{
   140  			`/home/日本語`,
   141  			`home-\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e`,
   142  			`utf-8 characters`,
   143  		},
   144  		{
   145  			`/path⌘place-of-interest/hello`,
   146  			`path\xe2\x8c\x98place\x2dof\x2dinterest-hello`,
   147  			`utf-8 character embedded in ascii path element`,
   148  		},
   149  	}
   150  
   151  	for _, t := range tt {
   152  		c.Assert(systemd.EscapeUnitNamePath(t.in), Equals, t.out, Commentf(t.comment+" (with input %q)", t.in))
   153  	}
   154  }