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annotate src/testdir/test_writefile.vim @ 16663:66ffbbee468c

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Added tag v8.1.1333 for changeset 1fc9cd08cf3c29190ce143ff1e370e7ebfb9dff6
author Bram Moolenaar <Bram@vim.org>
date Wed, 15 May 2019 23:00:18 +0200
parents 772e72b046a3
children ed9b15758241
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 set nobackup nowritebackup
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40 new
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41 let contents = ["line one", "line two"]
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42 call writefile(contents, 'Xfile')
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43 edit Xfile
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44 call setline(1, ["first line", "cannot convert \u010b", "third line"])
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45 call assert_fails('write ++enc=cp932')
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46 call assert_equal(contents, readfile('Xfile'))
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47
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48 call delete('Xfile')
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49 bwipe!
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50 set backup& writebackup&
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51 endfunc
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52
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53 func SetFlag(timer)
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54 let g:flag = 1
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55 endfunc
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56
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57 func Test_write_quit_split()
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58 " Prevent exiting by splitting window on file write.
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59 augroup testgroup
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60 autocmd BufWritePre * split
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61 augroup END
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62 e! Xfile
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63 call setline(1, 'nothing')
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64 wq
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65
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66 if has('timers')
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67 " timer will not run if "exiting" is still set
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68 let g:flag = 0
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69 call timer_start(1, 'SetFlag')
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70 sleep 50m
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71 call assert_equal(1, g:flag)
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72 unlet g:flag
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73 endif
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74 au! testgroup
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75 bwipe Xfile
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76 call delete('Xfile')
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77 endfunc
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78
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79 func Test_nowrite_quit_split()
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80 " Prevent exiting by opening a help window.
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81 e! Xfile
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82 help
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83 wincmd w
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84 exe winnr() . 'q'
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85
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86 if has('timers')
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87 " timer will not run if "exiting" is still set
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88 let g:flag = 0
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89 call timer_start(1, 'SetFlag')
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90 sleep 50m
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91 call assert_equal(1, g:flag)
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92 unlet g:flag
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93 endif
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94 bwipe Xfile
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95 endfunc
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96
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97 func Test_writefile_sync_arg()
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98 " This doesn't check if fsync() works, only that the argument is accepted.
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99 call writefile(['one'], 'Xtest', 's')
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100 call writefile(['two'], 'Xtest', 'S')
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101 call delete('Xtest')
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102 endfunc
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103
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104 func Test_writefile_sync_dev_stdout()
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105 if !has('unix')
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106 return
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107 endif
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108 if filewritable('/dev/stdout')
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109 " Just check that this doesn't cause an error.
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110 call writefile(['one'], '/dev/stdout')
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111 else
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112 throw 'Skipped: /dev/stdout is not writable'
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113 endif
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114 endfunc
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115
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116 func Test_writefile_autowrite()
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117 set autowrite
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118 new
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119 next Xa Xb Xc
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120 call setline(1, 'aaa')
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121 next
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122 call assert_equal(['aaa'], readfile('Xa'))
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123 call setline(1, 'bbb')
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124 call assert_fails('edit XX')
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125 call assert_false(filereadable('Xb'))
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126
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127 set autowriteall
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128 edit XX
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129 call assert_equal(['bbb'], readfile('Xb'))
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130
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131 bwipe!
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132 call delete('Xa')
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133 call delete('Xb')
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134 set noautowrite
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135 endfunc
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136
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137 func Test_writefile_autowrite_nowrite()
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138 set autowrite
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139 new
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140 next Xa Xb Xc
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141 set buftype=nowrite
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142 call setline(1, 'aaa')
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143 let buf = bufnr('%')
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144 " buffer contents silently lost
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145 edit XX
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146 call assert_false(filereadable('Xa'))
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147 rewind
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148 call assert_equal('', getline(1))
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149
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150 bwipe!
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151 set noautowrite
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152 endfunc