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annotate src/testdir/test_writefile.vim @ 17643:dfc6ba5db4ec

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Added tag v8.1.1818 for changeset fe637f192d80f873a6b65a090811399c14765768
author Bram Moolenaar <Bram@vim.org>
date Mon, 05 Aug 2019 20:30:07 +0200
parents e264d45f268a
children 105c6cf8b266
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Tests for the writefile() function.
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2
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3 func Test_writefile()
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4 let f = tempname()
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5 call writefile(["over","written"], f, "b")
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6 call writefile(["hello","world"], f, "b")
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7 call writefile(["!", "good"], f, "a")
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8 call writefile(["morning"], f, "ab")
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9 call writefile(["", "vimmers"], f, "ab")
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10 let l = readfile(f)
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11 call assert_equal("hello", l[0])
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12 call assert_equal("world!", l[1])
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13 call assert_equal("good", l[2])
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14 call assert_equal("morning", l[3])
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15 call assert_equal("vimmers", l[4])
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16 call delete(f)
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17 endfunc
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18
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19 func Test_writefile_fails_gently()
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20 call assert_fails('call writefile(["test"], "Xfile", [])', 'E730:')
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21 call assert_false(filereadable("Xfile"))
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22 call delete("Xfile")
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23
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24 call assert_fails('call writefile(["test", [], [], [], "tset"], "Xfile")', 'E730:')
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25 call assert_false(filereadable("Xfile"))
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26 call delete("Xfile")
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27
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28 call assert_fails('call writefile([], "Xfile", [])', 'E730:')
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29 call assert_false(filereadable("Xfile"))
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30 call delete("Xfile")
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31
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32 call assert_fails('call writefile([], [])', 'E730:')
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33 endfunc
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34
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35 func Test_writefile_fails_conversion()
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36 if !has('iconv') || has('sun')
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37 return
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38 endif
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39 " Without a backup file the write won't happen if there is a conversion
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40 " error.
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41 set nobackup nowritebackup backupdir=. backupskip=
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42 new
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43 let contents = ["line one", "line two"]
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44 call writefile(contents, 'Xfile')
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45 edit Xfile
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46 call setline(1, ["first line", "cannot convert \u010b", "third line"])
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47 call assert_fails('write ++enc=cp932', 'E513:')
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48 call assert_equal(contents, readfile('Xfile'))
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49
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50 call delete('Xfile')
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51 bwipe!
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52 set backup& writebackup& backupdir&vim backupskip&vim
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53 endfunc
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54
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55 func Test_writefile_fails_conversion2()
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56 if !has('iconv') || has('sun')
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57 return
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58 endif
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59 " With a backup file the write happens even if there is a conversion error,
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60 " but then the backup file must remain
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61 set nobackup writebackup backupdir=. backupskip=
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62 let contents = ["line one", "line two"]
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63 call writefile(contents, 'Xfile_conversion_err')
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64 edit Xfile_conversion_err
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65 call setline(1, ["first line", "cannot convert \u010b", "third line"])
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66 set fileencoding=latin1
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67 let output = execute('write')
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68 call assert_match('CONVERSION ERROR', output)
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69 call assert_equal(contents, readfile('Xfile_conversion_err~'))
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70
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71 call delete('Xfile_conversion_err')
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72 call delete('Xfile_conversion_err~')
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73 bwipe!
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74 set backup& writebackup& backupdir&vim backupskip&vim
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75 endfunc
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76
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77 func SetFlag(timer)
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78 let g:flag = 1
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79 endfunc
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80
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81 func Test_write_quit_split()
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82 " Prevent exiting by splitting window on file write.
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83 augroup testgroup
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84 autocmd BufWritePre * split
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85 augroup END
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86 e! Xfile
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87 call setline(1, 'nothing')
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88 wq
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89
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90 if has('timers')
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91 " timer will not run if "exiting" is still set
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92 let g:flag = 0
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93 call timer_start(1, 'SetFlag')
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94 sleep 50m
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95 call assert_equal(1, g:flag)
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96 unlet g:flag
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97 endif
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98 au! testgroup
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99 bwipe Xfile
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100 call delete('Xfile')
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101 endfunc
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102
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103 func Test_nowrite_quit_split()
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104 " Prevent exiting by opening a help window.
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105 e! Xfile
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106 help
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107 wincmd w
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108 exe winnr() . 'q'
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109
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110 if has('timers')
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111 " timer will not run if "exiting" is still set
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112 let g:flag = 0
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113 call timer_start(1, 'SetFlag')
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114 sleep 50m
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115 call assert_equal(1, g:flag)
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116 unlet g:flag
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117 endif
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118 bwipe Xfile
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119 endfunc
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120
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121 func Test_writefile_sync_arg()
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122 " This doesn't check if fsync() works, only that the argument is accepted.
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123 call writefile(['one'], 'Xtest', 's')
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124 call writefile(['two'], 'Xtest', 'S')
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125 call delete('Xtest')
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126 endfunc
12926
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127
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128 func Test_writefile_sync_dev_stdout()
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129 if !has('unix')
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130 return
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131 endif
13744
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132 if filewritable('/dev/stdout')
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133 " Just check that this doesn't cause an error.
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134 call writefile(['one'], '/dev/stdout')
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135 else
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136 throw 'Skipped: /dev/stdout is not writable'
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137 endif
12926
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138 endfunc
14642
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parents: 13744
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139
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140 func Test_writefile_autowrite()
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141 set autowrite
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142 new
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143 next Xa Xb Xc
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144 call setline(1, 'aaa')
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145 next
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146 call assert_equal(['aaa'], readfile('Xa'))
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147 call setline(1, 'bbb')
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148 call assert_fails('edit XX')
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149 call assert_false(filereadable('Xb'))
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150
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151 set autowriteall
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152 edit XX
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153 call assert_equal(['bbb'], readfile('Xb'))
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154
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155 bwipe!
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156 call delete('Xa')
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157 call delete('Xb')
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158 set noautowrite
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159 endfunc
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parents: 13744
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160
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161 func Test_writefile_autowrite_nowrite()
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162 set autowrite
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parents: 13744
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163 new
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164 next Xa Xb Xc
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165 set buftype=nowrite
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166 call setline(1, 'aaa')
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167 let buf = bufnr('%')
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168 " buffer contents silently lost
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169 edit XX
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170 call assert_false(filereadable('Xa'))
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171 rewind
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172 call assert_equal('', getline(1))
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parents: 13744
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173
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parents: 13744
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174 bwipe!
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175 set noautowrite
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parents: 13744
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176 endfunc