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annotate src/testdir/screendump.vim @ 16326:1679b9f54946 v8.1.1168

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patch 8.1.1168: not all screen update code of terminal is executed in tests commit https://github.com/vim/vim/commit/87dcfd75c218107ca966c80a0a56b236be046fc9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 13 22:35:29 2019 +0200 patch 8.1.1168: not all screen update code of terminal is executed in tests Problem: Not all screen update code of the terminal window is executed in tests. Solution: Redraw before taking a screenshot.
author Bram Moolenaar <Bram@vim.org>
date Sat, 13 Apr 2019 22:45:04 +0200
parents 606a49386aa1
children b576f2e069b7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Functions shared by tests making screen dumps.
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2
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3 " Only load this script once.
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4 if exists('*CanRunVimInTerminal')
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5 finish
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6 endif
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7
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8 " For most tests we need to be able to run terminal Vim with 256 colors. On
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9 " MS-Windows the console only has 16 colors and the GUI can't run in a
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10 " terminal.
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11 func CanRunVimInTerminal()
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12 return has('terminal') && !has('win32')
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13 endfunc
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14
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15 " Skip the rest if there is no terminal feature at all.
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16 if !has('terminal')
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17 finish
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18 endif
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19
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20 source shared.vim
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21
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22 " Run Vim with "arguments" in a new terminal window.
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23 " By default uses a size of 20 lines and 75 columns.
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24 " Returns the buffer number of the terminal.
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25 "
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26 " Options is a dictionary, these items are recognized:
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27 " "rows" - height of the terminal window (max. 20)
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28 " "cols" - width of the terminal window (max. 78)
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29 func RunVimInTerminal(arguments, options)
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30 " If Vim doesn't exit a swap file remains, causing other tests to fail.
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31 " Remove it here.
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32 call delete(".swp")
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33
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34 if exists('$COLORFGBG')
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35 " Clear $COLORFGBG to avoid 'background' being set to "dark", which will
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36 " only be corrected if the response to t_RB is received, which may be too
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37 " late.
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38 let $COLORFGBG = ''
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39 endif
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40
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41 " Make a horizontal and vertical split, so that we can get exactly the right
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42 " size terminal window. Works only when the current window is full width.
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43 call assert_equal(&columns, winwidth(0))
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44 split
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45 vsplit
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46
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47 " Always do this with 256 colors and a light background.
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48 set t_Co=256 background=light
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49 hi Normal ctermfg=NONE ctermbg=NONE
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50
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51 " Make the window 20 lines high and 75 columns, unless told otherwise.
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52 let rows = get(a:options, 'rows', 20)
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53 let cols = get(a:options, 'cols', 75)
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54
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55 let cmd = GetVimCommandClean()
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56
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57 " Add -v to have gvim run in the terminal (if possible)
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58 " The GCOV_ environment variables cause the Vim running in the terminal to
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59 " write the coverage information in the "nested" directory, to avoid two Vim
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60 " instances try to write to the same coverage info file.
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61 let cmd .= ' -v ' . a:arguments
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62 let buf = term_start(cmd, {
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63 \ 'curwin': 1,
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64 \ 'term_rows': rows,
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65 \ 'term_cols': cols,
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66 \ 'env': {'GCOV_PREFIX': 'nested', 'GCOV_PREFIX_STRIP': 99},
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67 \ })
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68 if &termwinsize == ''
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69 " in the GUI we may end up with a different size, try to set it.
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70 if term_getsize(buf) != [rows, cols]
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71 call term_setsize(buf, rows, cols)
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72 endif
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73 call assert_equal([rows, cols], term_getsize(buf))
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74 else
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75 let rows = term_getsize(buf)[0]
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76 let cols = term_getsize(buf)[1]
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77 endif
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78
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79 " Wait for "All" or "Top" of the ruler to be shown in the last line or in
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80 " the status line of the last window. This can be quite slow (e.g. when
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81 " using valgrind).
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82 " If it fails then show the terminal contents for debugging.
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83 try
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84 call WaitFor({-> len(term_getline(buf, rows)) >= cols - 1 || len(term_getline(buf, rows - 1)) >= cols - 1})
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85 catch /timed out after/
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86 let lines = map(range(1, rows), {key, val -> term_getline(buf, val)})
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87 call assert_report('RunVimInTerminal() failed, screen contents: ' . join(lines, "<NL>"))
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88 endtry
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89
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90 return buf
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91 endfunc
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92
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93 " Stop a Vim running in terminal buffer "buf".
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94 func StopVimInTerminal(buf)
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95 call assert_equal("running", term_getstatus(a:buf))
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96
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97 " CTRL-O : works both in Normal mode and Insert mode to start a command line.
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98 " In Command-line it's inserted, the CTRL-U removes it again.
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99 call term_sendkeys(a:buf, "\<C-O>:\<C-U>qa!\<cr>")
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100
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101 call WaitForAssert({-> assert_equal("finished", term_getstatus(a:buf))})
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102 only!
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103 endfunc
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104
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105 " Verify that Vim running in terminal buffer "buf" matches the screen dump.
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106 " "options" is passed to term_dumpwrite().
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107 " The file name used is "dumps/{filename}.dump".
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108 " Optionally an extra argument can be passed which is prepended to the error
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109 " message. Use this when using the same dump file with different options.
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110 " Will wait for up to a second for the screen dump to match.
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111 " Returns non-zero when verification fails.
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112 func VerifyScreenDump(buf, filename, options, ...)
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113 let reference = 'dumps/' . a:filename . '.dump'
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114 let testfile = 'failed/' . a:filename . '.dump'
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115
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116 " Redraw to execut the code that updates the screen. Otherwise we get the
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117 " text and attributes only from the internal buffer.
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118 redraw
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119
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120 let did_mkdir = 0
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121 if !isdirectory('failed')
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122 let did_mkdir = 1
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123 call mkdir('failed')
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124 endif
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125
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126 let i = 0
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127 while 1
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128 " leave some time for updating the original window
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129 sleep 10m
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130 call delete(testfile)
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131 call term_dumpwrite(a:buf, testfile, a:options)
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132 let testdump = readfile(testfile)
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133 if filereadable(reference)
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134 let refdump = readfile(reference)
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135 else
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136 " Must be a new screendump, always fail
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137 let refdump = []
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138 endif
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139 if refdump == testdump
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140 call delete(testfile)
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141 if did_mkdir
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142 call delete('failed', 'd')
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143 endif
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144 break
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145 endif
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146 if i == 100
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147 " Leave the failed dump around for inspection.
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148 if filereadable(reference)
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149 let msg = 'See dump file difference: call term_dumpdiff("' . testfile . '", "' . reference . '")'
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150 if a:0 == 1
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151 let msg = a:1 . ': ' . msg
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152 endif
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153 if len(testdump) != len(refdump)
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154 let msg = msg . '; line count is ' . len(testdump) . ' instead of ' . len(refdump)
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155 endif
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156 else
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157 let msg = 'See new dump file: call term_dumpload("' . testfile . '")'
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158 endif
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159 for i in range(len(refdump))
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160 if i >= len(testdump)
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161 break
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162 endif
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163 if testdump[i] != refdump[i]
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164 let msg = msg . '; difference in line ' . (i + 1) . ': "' . testdump[i] . '"'
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165 endif
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166 endfor
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167 call assert_report(msg)
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168 return 1
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169 endif
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170 let i += 1
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171 endwhile
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172 return 0
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173 endfunc