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runtime(syntax-tests): Introduce self tests for screen dumping

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Write a batch of test files with made-up syntax to serve for
additional linewise checks to be manually performed whenever
the algorithm for screen dump file generation is modified.

Define a shell variable VIM_SYNTAX_SELF_TESTING to run these
tests:
	cd runtime/syntax/
	VIM_SYNTAX_SELF_TESTING=1 make clean test

related: #15150

Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Aliaksei Budavei
2024-05-24 19:14:16 +03:00
committed by Christian Brabandt
parent cc5482edb4
commit d2f4987999
132 changed files with 2421 additions and 6 deletions
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16
runtime/syntax/testdir/runtest.vim
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@@ -116,13 +116,17 @@ func RunTest()
let setup = glob('input/setup/*.vim', 1, 1)
\ ->reduce({d, f -> extend(d, {fnamemodify(f, ':t:r'): f})}, {})
for fname in glob('input/*.*', 1, 1)
if fname =~ '\~$'
" backup file, skip
continue
endif
if exists("$VIM_SYNTAX_SELF_TESTING")
let dirpath = 'input/selftestdir/'
let fnames = readdir(dirpath, {fname -> fname !~ '^README.txt$'})
else
let dirpath = 'input/'
let fnames = readdir(dirpath, {fname -> fname !~ '\~$' && fname =~ '^.\+\..\+$'})
endif
let root = fnamemodify(fname, ':t:r')
for fname in fnames
let root = fnamemodify(fname, ':r')
let fname = dirpath .. fname
let filetype = substitute(root, '\([^_.]*\)[_.].*', '\1', '')
let failed_root = 'failed/' .. root