From ce797e08f539dc24d16ea8c02591296bbbc83772 Mon Sep 17 00:00:00 2001
From: Sean Dewar <seandewar@users.noreply.github.com>
Date: Sat, 1 Jan 2022 23:06:09 +0000
Subject: vim-patch:8.2.2813: cannot grep using fuzzy matching

Problem:    Cannot grep using fuzzy matching.
Solution:   Add the "f" flag to :vimgrep. (Yegappan Lakshmanan, closes vim/vim#8152)
https://github.com/vim/vim/commit/bb01a1ef3a093cdb36877ba73474719c531dc8cb
---
 src/nvim/testdir/test_quickfix.vim | 50 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

(limited to 'src/nvim/testdir/test_quickfix.vim')

diff --git a/src/nvim/testdir/test_quickfix.vim b/src/nvim/testdir/test_quickfix.vim
index f137ed5346..00679e1958 100644
--- a/src/nvim/testdir/test_quickfix.vim
+++ b/src/nvim/testdir/test_quickfix.vim
@@ -32,7 +32,7 @@ func s:setup_commands(cchar)
     command! -count -nargs=* -bang Xnfile <mods><count>cnfile<bang> <args>
     command! -nargs=* -bang Xpfile <mods>cpfile<bang> <args>
     command! -nargs=* Xexpr <mods>cexpr <args>
-    command! -count -nargs=* Xvimgrep <mods> <count>vimgrep <args>
+    command! -count=999 -nargs=* Xvimgrep <mods> <count>vimgrep <args>
     command! -nargs=* Xvimgrepadd <mods> vimgrepadd <args>
     command! -nargs=* Xgrep <mods> grep <args>
     command! -nargs=* Xgrepadd <mods> grepadd <args>
@@ -69,7 +69,7 @@ func s:setup_commands(cchar)
     command! -count -nargs=* -bang Xnfile <mods><count>lnfile<bang> <args>
     command! -nargs=* -bang Xpfile <mods>lpfile<bang> <args>
     command! -nargs=* Xexpr <mods>lexpr <args>
-    command! -count -nargs=* Xvimgrep <mods> <count>lvimgrep <args>
+    command! -count=999 -nargs=* Xvimgrep <mods> <count>lvimgrep <args>
     command! -nargs=* Xvimgrepadd <mods> lvimgrepadd <args>
     command! -nargs=* Xgrep <mods> lgrep <args>
     command! -nargs=* Xgrepadd <mods> lgrepadd <args>
@@ -5028,6 +5028,52 @@ func Test_qfbuf_update()
   call Xqfbuf_update('l')
 endfunc
 
+" Test for the :vimgrep 'f' flag (fuzzy match)
+func Xvimgrep_fuzzy_match(cchar)
+  call s:setup_commands(a:cchar)
+
+  Xvimgrep /three one/f Xfile*
+  let l = g:Xgetlist()
+  call assert_equal(2, len(l))
+  call assert_equal(['Xfile1', 1, 9, 'one two three'],
+        \ [bufname(l[0].bufnr), l[0].lnum, l[0].col, l[0].text])
+  call assert_equal(['Xfile2', 2, 1, 'three one two'],
+        \ [bufname(l[1].bufnr), l[1].lnum, l[1].col, l[1].text])
+
+  Xvimgrep /the/f Xfile*
+  let l = g:Xgetlist()
+  call assert_equal(3, len(l))
+  call assert_equal(['Xfile1', 1, 9, 'one two three'],
+        \ [bufname(l[0].bufnr), l[0].lnum, l[0].col, l[0].text])
+  call assert_equal(['Xfile2', 2, 1, 'three one two'],
+        \ [bufname(l[1].bufnr), l[1].lnum, l[1].col, l[1].text])
+  call assert_equal(['Xfile2', 4, 4, 'aaathreeaaa'],
+        \ [bufname(l[2].bufnr), l[2].lnum, l[2].col, l[2].text])
+
+  Xvimgrep /aaa/fg Xfile*
+  let l = g:Xgetlist()
+  call assert_equal(4, len(l))
+  call assert_equal(['Xfile1', 2, 1, 'aaaaaa'],
+        \ [bufname(l[0].bufnr), l[0].lnum, l[0].col, l[0].text])
+  call assert_equal(['Xfile1', 2, 4, 'aaaaaa'],
+        \ [bufname(l[1].bufnr), l[1].lnum, l[1].col, l[1].text])
+  call assert_equal(['Xfile2', 4, 1, 'aaathreeaaa'],
+        \ [bufname(l[2].bufnr), l[2].lnum, l[2].col, l[2].text])
+  call assert_equal(['Xfile2', 4, 9, 'aaathreeaaa'],
+        \ [bufname(l[3].bufnr), l[3].lnum, l[3].col, l[3].text])
+
+  call assert_fails('Xvimgrep /xyz/fg Xfile*', 'E480:')
+endfunc
+
+func Test_vimgrep_fuzzy_match()
+  call writefile(['one two three', 'aaaaaa'], 'Xfile1')
+  call writefile(['one', 'three one two', 'two', 'aaathreeaaa'], 'Xfile2')
+  call Xvimgrep_fuzzy_match('c')
+  call Xvimgrep_fuzzy_match('l')
+  call delete('Xfile1')
+  call delete('Xfile2')
+endfunc
+
 " Test for getting a specific item from a quickfix list
 func Xtest_getqflist_by_idx(cchar)
   call s:setup_commands(a:cchar)
-- 
cgit