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vim-patch:8.2.2869: using unified diff is not tested

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Problem:    Using unified diff is not tested.
Solution:   Test all cases also with unified diff. (issue vim/vim#8197)
485b627100
This commit is contained in:
Jan Edmund Lazo
2021-05-19 20:39:15 -04:00
parent 045e47ec55
commit 5fd605e1d1
1 changed files with 51 additions and 1 deletions
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52
src/nvim/testdir/test_diffmode.vim
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@@ -781,17 +781,66 @@ func Test_diff_lastline()
bwipe!
endfunc
func WriteDiffFiles(buf, list1, list2)
call writefile(a:list1, 'Xfile1')
call writefile(a:list2, 'Xfile2')
if a:buf
call term_sendkeys(a:buf, ":checktime\<CR>")
endif
endfunc
" Verify a screendump with both the internal and external diff.
func VerifyBoth(buf, dumpfile, extra)
" trailing : for leaving the cursor on the command line
for cmd in [":set diffopt=filler" . a:extra . "\<CR>:", ":set diffopt+=internal\<CR>:"]
call term_sendkeys(a:buf, cmd)
if VerifyScreenDump(a:buf, a:dumpfile, {}, cmd =~ 'internal' ? 'internal' : 'external')
break " don't let the next iteration overwrite the "failed" file.
" don't let the next iteration overwrite the "failed" file.
return
endif
endfor
" also test unified diff
call term_sendkeys(a:buf, ":call SetupUnified()\<CR>:")
call VerifyScreenDump(a:buf, a:dumpfile, {}, 'unified')
call term_sendkeys(a:buf, ":call StopUnified()\<CR>:")
endfunc
" Verify a screendump with the internal diff only.
func VerifyInternal(buf, dumpfile, extra)
call term_sendkeys(a:buf, ":diffupdate!\<CR>")
" trailing : for leaving the cursor on the command line
call term_sendkeys(a:buf, ":set diffopt=internal,filler" . a:extra . "\<CR>:")
call TermWait(a:buf)
call VerifyScreenDump(a:buf, a:dumpfile, {})
endfunc
func Test_diff_screen()
CheckScreendump
CheckFeature menu
let lines =<< trim END
func UnifiedDiffExpr()
" Prepend some text to check diff type detection
call writefile(['warning', ' message'], v:fname_out)
silent exe '!diff -u ' .. v:fname_in .. ' ' .. v:fname_new .. '>>' .. v:fname_out
endfunc
func SetupUnified()
set diffexpr=UnifiedDiffExpr()
endfunc
func StopUnified()
set diffexpr=
endfunc
END
call writefile(lines, 'XdiffSetup')
" clean up already existing swap files, just in case
call delete('.Xfile1.swp')
call delete('.Xfile2.swp')
" Test 1: Add a line in beginning of file 2
call WriteDiffFiles(0, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
let buf = RunVimInTerminal('-d Xfile1 Xfile2', {})
let buf = RunVimInTerminal('-d -S XdiffSetup Xfile1 Xfile2', {})
" Set autoread mode, so that Vim won't complain once we re-write the test
" files
call term_sendkeys(buf, ":set autoread\<CR>\<c-w>w:set autoread\<CR>\<c-w>w")
@@ -911,6 +960,7 @@ func Test_diff_screen()
call StopVimInTerminal(buf)
call delete('Xfile1')
call delete('Xfile2')
call delete('XdiffSetup')
endfunc
func Test_diff_with_cursorline()