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annotate src/testdir/test_swap.vim @ 18220:8b45fb2c75d9

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Added tag v8.1.2104 for changeset 5d67f207f7c3bff09e181379c1b1f2bb9f7803e5
author Bram Moolenaar <Bram@vim.org>
date Mon, 30 Sep 2019 23:15:04 +0200
parents 988e5a868b60
children f6dcf7eabd26
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Tests for the swap feature
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2
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3 func s:swapname()
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4 return trim(execute('swapname'))
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5 endfunc
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6
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7 " Tests for 'directory' option.
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8 func Test_swap_directory()
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9 if !has("unix")
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10 return
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11 endif
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12 let content = ['start of testfile',
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13 \ 'line 2 Abcdefghij',
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14 \ 'line 3 Abcdefghij',
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15 \ 'end of testfile']
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16 call writefile(content, 'Xtest1')
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17
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18 " '.', swap file in the same directory as file
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19 set dir=.,~
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20
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21 " Verify that the swap file doesn't exist in the current directory
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22 call assert_equal([], glob(".Xtest1*.swp", 1, 1, 1))
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23 edit Xtest1
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24 let swfname = s:swapname()
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25 call assert_equal([swfname], glob(swfname, 1, 1, 1))
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26
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27 " './dir', swap file in a directory relative to the file
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28 set dir=./Xtest2,.,~
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29
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30 call mkdir("Xtest2")
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31 edit Xtest1
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32 call assert_equal([], glob(swfname, 1, 1, 1))
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33 let swfname = "Xtest2/Xtest1.swp"
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34 call assert_equal(swfname, s:swapname())
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35 call assert_equal([swfname], glob("Xtest2/*", 1, 1, 1))
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36
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37 " 'dir', swap file in directory relative to the current dir
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38 set dir=Xtest.je,~
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39
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40 call mkdir("Xtest.je")
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41 call writefile(content, 'Xtest2/Xtest3')
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42 edit Xtest2/Xtest3
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43 call assert_equal(["Xtest2/Xtest3"], glob("Xtest2/*", 1, 1, 1))
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44 let swfname = "Xtest.je/Xtest3.swp"
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45 call assert_equal(swfname, s:swapname())
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46 call assert_equal([swfname], glob("Xtest.je/*", 1, 1, 1))
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47
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48 set dir&
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49 call delete("Xtest1")
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50 call delete("Xtest2", "rf")
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51 call delete("Xtest.je", "rf")
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52 endfunc
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53
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54 func Test_swap_group()
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55 if !has("unix")
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56 return
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57 endif
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58 let groups = split(system('groups'))
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59 if len(groups) <= 1
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60 throw 'Skipped: need at least two groups, got ' . string(groups)
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61 endif
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62
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63 try
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64 call delete('Xtest')
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65 split Xtest
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66 call setline(1, 'just some text')
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67 wq
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68 if system('ls -l Xtest') !~ ' ' . groups[0] . ' \d'
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69 throw 'Skipped: test file does not have the first group'
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70 else
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71 silent !chmod 640 Xtest
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72 call system('chgrp ' . groups[1] . ' Xtest')
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73 if system('ls -l Xtest') !~ ' ' . groups[1] . ' \d'
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74 throw 'Skipped: cannot set second group on test file'
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75 else
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76 split Xtest
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77 let swapname = s:swapname()
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78 call assert_match('Xtest', swapname)
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79 " Group of swapfile must now match original file.
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80 call assert_match(' ' . groups[1] . ' \d', system('ls -l ' . swapname))
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81
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82 bwipe!
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83 endif
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84 endif
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85 finally
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86 call delete('Xtest')
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87 endtry
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88 endfunc
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89
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90 func Test_missing_dir()
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91 call mkdir('Xswapdir')
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92 exe 'set directory=' . getcwd() . '/Xswapdir'
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93
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94 call assert_equal('', glob('foo'))
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95 call assert_equal('', glob('bar'))
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96 edit foo/x.txt
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97 " This should not give a warning for an existing swap file.
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98 split bar/x.txt
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99 only
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100
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101 " Delete the buffer so that swap file is removed before we try to delete the
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102 " directory. That fails on MS-Windows.
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103 %bdelete!
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104 set directory&
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105 call delete('Xswapdir', 'rf')
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106 endfunc
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107
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108 func Test_swapinfo()
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109 new Xswapinfo
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110 call setline(1, ['one', 'two', 'three'])
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111 w
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112 let fname = s:swapname()
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113 call assert_match('Xswapinfo', fname)
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114 let info = fname->swapinfo()
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115
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116 let ver = printf('VIM %d.%d', v:version / 100, v:version % 100)
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117 call assert_equal(ver, info.version)
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118
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119 call assert_match('\w', info.user)
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120 " host name is truncated to 39 bytes in the swap file
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121 call assert_equal(hostname()[:38], info.host)
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122 call assert_match('Xswapinfo', info.fname)
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123 call assert_match(0, info.dirty)
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124 call assert_equal(getpid(), info.pid)
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125 call assert_match('^\d*$', info.mtime)
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126 if has_key(info, 'inode')
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127 call assert_match('\d', info.inode)
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128 endif
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129 bwipe!
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130 call delete(fname)
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131 call delete('Xswapinfo')
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132
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133 let info = swapinfo('doesnotexist')
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134 call assert_equal('Cannot open file', info.error)
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135
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136 call writefile(['burp'], 'Xnotaswapfile')
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137 let info = swapinfo('Xnotaswapfile')
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138 call assert_equal('Cannot read file', info.error)
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139 call delete('Xnotaswapfile')
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140
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141 call writefile([repeat('x', 10000)], 'Xnotaswapfile')
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142 let info = swapinfo('Xnotaswapfile')
14601
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143 call assert_equal('Not a swap file', info.error)
14599
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144 call delete('Xnotaswapfile')
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145 endfunc
14778
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146
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147 func Test_swapname()
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148 edit Xtest1
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149 let expected = s:swapname()
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150 call assert_equal(expected, swapname('%'))
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151
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152 new Xtest2
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153 let buf = bufnr('%')
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154 let expected = s:swapname()
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155 wincmd p
18017
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156 call assert_equal(expected, buf->swapname())
14778
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157
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158 new Xtest3
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159 setlocal noswapfile
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160 call assert_equal('', swapname('%'))
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161
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162 bwipe!
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163 call delete('Xtest1')
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164 call delete('Xtest2')
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165 call delete('Xtest3')
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166 endfunc
16453
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167
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168 func Test_swapfile_delete()
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169 autocmd! SwapExists
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170 function s:swap_exists()
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171 let v:swapchoice = s:swap_choice
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172 let s:swapname = v:swapname
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173 let s:filename = expand('<afile>')
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174 endfunc
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175 augroup test_swapfile_delete
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176 autocmd!
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177 autocmd SwapExists * call s:swap_exists()
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178 augroup END
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179
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180
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181 " Create a valid swapfile by editing a file.
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182 split XswapfileText
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183 call setline(1, ['one', 'two', 'three'])
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184 write " file is written, not modified
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185 " read the swapfile as a Blob
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186 let swapfile_name = swapname('%')
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187 let swapfile_bytes = readfile(swapfile_name, 'B')
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188
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189 " Close the file and recreate the swap file.
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190 " Now editing the file will run into the process still existing
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191 quit
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192 call writefile(swapfile_bytes, swapfile_name)
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193 let s:swap_choice = 'e'
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194 let s:swapname = ''
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195 split XswapfileText
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196 quit
16459
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197 call assert_equal(fnamemodify(swapfile_name, ':t'), fnamemodify(s:swapname, ':t'))
16453
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198
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199 " Write the swapfile with a modified PID, now it will be automatically
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200 " deleted. Process one should never be Vim.
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201 let swapfile_bytes[24:27] = 0z01000000
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202 call writefile(swapfile_bytes, swapfile_name)
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203 let s:swapname = ''
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204 split XswapfileText
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205 quit
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206 call assert_equal('', s:swapname)
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diff changeset
207
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208 " Now set the modified flag, the swap file will not be deleted
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diff changeset
209 let swapfile_bytes[28 + 80 + 899] = 0x55
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210 call writefile(swapfile_bytes, swapfile_name)
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211 let s:swapname = ''
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212 split XswapfileText
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diff changeset
213 quit
16459
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214 call assert_equal(fnamemodify(swapfile_name, ':t'), fnamemodify(s:swapname, ':t'))
16453
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diff changeset
215
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216 call delete('XswapfileText')
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217 call delete(swapfile_name)
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218 augroup test_swapfile_delete
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219 autocmd!
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220 augroup END
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221 augroup! test_swapfile_delete
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222 endfunc
16738
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223
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224 func Test_swap_recover()
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225 autocmd! SwapExists
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226 augroup test_swap_recover
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227 autocmd!
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228 autocmd SwapExists * let v:swapchoice = 'r'
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229 augroup END
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230
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231
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232 call mkdir('Xswap')
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233 let $Xswap = 'foo' " Check for issue #4369.
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234 set dir=Xswap//
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diff changeset
235 " Create a valid swapfile by editing a file.
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diff changeset
236 split Xswap/text
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diff changeset
237 call setline(1, ['one', 'two', 'three'])
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diff changeset
238 write " file is written, not modified
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diff changeset
239 " read the swapfile as a Blob
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240 let swapfile_name = swapname('%')
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diff changeset
241 let swapfile_bytes = readfile(swapfile_name, 'B')
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diff changeset
242
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diff changeset
243 " Close the file and recreate the swap file.
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diff changeset
244 quit
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diff changeset
245 call writefile(swapfile_bytes, swapfile_name)
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diff changeset
246 " Edit the file again. This triggers recovery.
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diff changeset
247 try
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diff changeset
248 split Xswap/text
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diff changeset
249 catch
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diff changeset
250 " E308 should be caught, not E305.
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diff changeset
251 call assert_exception('E308:') " Original file may have been changed
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diff changeset
252 endtry
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diff changeset
253 " The file should be recovered.
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diff changeset
254 call assert_equal(['one', 'two', 'three'], getline(1, 3))
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diff changeset
255 quit!
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diff changeset
256
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257 call delete('Xswap/text')
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258 call delete(swapfile_name)
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259 call delete('Xswap', 'd')
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260 unlet $Xswap
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261 set dir&
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262 augroup test_swap_recover
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263 autocmd!
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264 augroup END
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265 augroup! test_swap_recover
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266 endfunc
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267
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268 func Test_swap_recover_ext()
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269 autocmd! SwapExists
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270 augroup test_swap_recover_ext
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271 autocmd!
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272 autocmd SwapExists * let v:swapchoice = 'r'
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273 augroup END
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274
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275
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276 " Create a valid swapfile by editing a file with a special extension.
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277 split Xtest.scr
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278 call setline(1, ['one', 'two', 'three'])
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279 write " file is written, not modified
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280 write " write again to make sure the swapfile is created
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281 " read the swapfile as a Blob
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282 let swapfile_name = swapname('%')
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283 let swapfile_bytes = readfile(swapfile_name, 'B')
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284
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285 " Close and delete the file and recreate the swap file.
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286 quit
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287 call delete('Xtest.scr')
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288 call writefile(swapfile_bytes, swapfile_name)
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289 " Edit the file again. This triggers recovery.
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290 try
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291 split Xtest.scr
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292 catch
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293 " E308 should be caught, not E306.
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294 call assert_exception('E308:') " Original file may have been changed
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295 endtry
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296 " The file should be recovered.
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297 call assert_equal(['one', 'two', 'three'], getline(1, 3))
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298 quit!
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299
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300 call delete('Xtest.scr')
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301 call delete(swapfile_name)
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302 augroup test_swap_recover_ext
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303 autocmd!
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304 augroup END
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305 augroup! test_swap_recover_ext
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306 endfunc