forked from aniani/vim
30d53e2c11
Problem: Setting local instead of global flag. Solution: Prepend "g:" to "test_is_flaky".
88 lines
2.4 KiB
VimL
88 lines
2.4 KiB
VimL
" Functions shared by tests making screen dumps.
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" Only load this script once.
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if exists('*VerifyScreenDump')
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finish
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endif
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source shared.vim
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source term_util.vim
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" Skip the rest if there is no terminal feature at all.
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if !has('terminal')
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finish
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endif
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" Verify that Vim running in terminal buffer "buf" matches the screen dump.
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" "options" is passed to term_dumpwrite().
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" The file name used is "dumps/{filename}.dump".
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" Optionally an extra argument can be passed which is prepended to the error
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" message. Use this when using the same dump file with different options.
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" Will wait for up to a second for the screen dump to match.
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" Returns non-zero when verification fails.
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func VerifyScreenDump(buf, filename, options, ...)
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let reference = 'dumps/' . a:filename . '.dump'
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let testfile = 'failed/' . a:filename . '.dump'
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" Starting a terminal to make a screendump is always considered flaky.
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let g:test_is_flaky = 1
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" Redraw to execute the code that updates the screen. Otherwise we get the
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" text and attributes only from the internal buffer.
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redraw
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let did_mkdir = 0
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if !isdirectory('failed')
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let did_mkdir = 1
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call mkdir('failed')
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endif
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let i = 0
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while 1
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" leave some time for updating the original window
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sleep 10m
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call delete(testfile)
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call term_dumpwrite(a:buf, testfile, a:options)
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let testdump = readfile(testfile)
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if filereadable(reference)
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let refdump = readfile(reference)
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else
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" Must be a new screendump, always fail
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let refdump = []
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endif
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if refdump == testdump
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call delete(testfile)
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if did_mkdir
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call delete('failed', 'd')
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endif
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break
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endif
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if i == 100
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" Leave the failed dump around for inspection.
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if filereadable(reference)
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let msg = 'See dump file difference: call term_dumpdiff("testdir/' .. testfile .. '", "testdir/' .. reference .. '")'
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if a:0 == 1
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let msg = a:1 . ': ' . msg
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endif
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if len(testdump) != len(refdump)
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let msg = msg . '; line count is ' . len(testdump) . ' instead of ' . len(refdump)
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endif
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else
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let msg = 'See new dump file: call term_dumpload("testdir/' .. testfile .. '")'
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endif
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for i in range(len(refdump))
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if i >= len(testdump)
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break
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endif
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if testdump[i] != refdump[i]
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let msg = msg . '; difference in line ' . (i + 1) . ': "' . testdump[i] . '"'
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endif
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endfor
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call assert_report(msg)
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return 1
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endif
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let i += 1
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endwhile
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return 0
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endfunc
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