" Tests for search_stats, when "S" is not in 'shortmess'

source check.vim
source screendump.vim

func Test_search_stat()
  new
  set shortmess-=S
  " Append 50 lines with text to search for, "foobar" appears 20 times
  call append(0, repeat(['foobar', 'foo', 'fooooobar', 'foba', 'foobar'], 10))

  call cursor(1, 1)

  " searchcount() returns an empty dictionary when previous pattern was not set
  call assert_equal({}, searchcount(#{pattern: ''}))
  " but setting @/ should also work (even 'n' nor 'N' was executed)
  " recompute the count when the last position is different.
  call assert_equal(
    \ #{current: 1, exact_match: 1, total: 40, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'foo'}))
  call assert_equal(
    \ #{current: 0, exact_match: 0, total: 10, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'fooooobar'}))
  call assert_equal(
    \ #{current: 0, exact_match: 0, total: 10, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'fooooobar', pos: [2, 1, 0]}))
  call assert_equal(
    \ #{current: 1, exact_match: 1, total: 10, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'fooooobar', pos: [3, 1, 0]}))
  " on last char of match
  call assert_equal(
    \ #{current: 1, exact_match: 1, total: 10, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'fooooobar', pos: [3, 9, 0]}))
  " on char after match
  call assert_equal(
    \ #{current: 1, exact_match: 0, total: 10, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'fooooobar', pos: [3, 10, 0]}))
  call assert_equal(
    \ #{current: 1, exact_match: 0, total: 10, incomplete: 0, maxcount: 99},
    \ searchcount(#{pattern: 'fooooobar', pos: [4, 1, 0]}))
  call assert_equal(
    \ #{current: 1, exact_match: 0, total: 2, incomplete: 2, maxcount: 1},
    \ searchcount(#{pattern: 'fooooobar', pos: [4, 1, 0], maxcount: 1}))
  call assert_equal(
    \ #{current: 0, exact_match: 0, total: 2, incomplete: 2, maxcount: 1},
    \ searchcount(#{pattern: 'fooooobar', maxcount: 1}))

  " match at second line
  let messages_before = execute('messages')
  let @/ = 'fo*\(bar\?\)\?'
  let g:a = execute(':unsilent :norm! n')
  let stat = '\[2/50\]'
  let pat = escape(@/, '()*?'). '\s\+'
  call assert_match(pat .. stat, g:a)
  call assert_equal(
    \ #{current: 2, exact_match: 1, total: 50, incomplete: 0, maxcount: 99},
    \ searchcount(#{recompute: 0}))
  " didn't get added to message history
  call assert_equal(messages_before, execute('messages'))

  " Match at last line
  call cursor(line('$')-2, 1)
  let g:a = execute(':unsilent :norm! n')
  let stat = '\[50/50\]'
  call assert_match(pat .. stat, g:a)
  call assert_equal(
    \ #{current: 50, exact_match: 1, total: 50, incomplete: 0, maxcount: 99},
    \ searchcount(#{recompute: 0}))

  " No search stat
  set shortmess+=S
  call cursor(1, 1)
  let stat = '\[2/50\]'
  let g:a = execute(':unsilent :norm! n')
  call assert_notmatch(pat .. stat, g:a)
  " n does not update search stat
  call assert_equal(
    \ #{current: 50, exact_match: 1, total: 50, incomplete: 0, maxcount: 99},
    \ searchcount(#{recompute: 0}))
  call assert_equal(
    \ #{current: 2, exact_match: 1, total: 50, incomplete: 0, maxcount: 99},
    \ searchcount(#{recompute: v:true}))
  set shortmess-=S

  " Many matches
  call cursor(line('$')-2, 1)
  let @/ = '.'
  let pat = escape(@/, '()*?'). '\s\+'
  let g:a = execute(':unsilent :norm! n')
  let stat = '\[>99/>99\]'
  call assert_match(pat .. stat, g:a)
  call assert_equal(
    \ #{current: 100, exact_match: 0, total: 100, incomplete: 2, maxcount: 99},
    \ searchcount(#{recompute: 0}))
  call assert_equal(
    \ #{current: 272, exact_match: 1, total: 280, incomplete: 0, maxcount: 0},
    \ searchcount(#{recompute: v:true, maxcount: 0, timeout: 200}))
  call assert_equal(
    \ #{current: 1, exact_match: 1, total: 280, incomplete: 0, maxcount: 0},
    \ searchcount(#{recompute: 1, maxcount: 0, pos: [1, 1, 0], timeout: 200}))
  call cursor(line('$'), 1)
  let g:a = execute(':unsilent :norm! n')
  let stat = 'W \[1/>99\]'
  call assert_match(pat .. stat, g:a)
  call assert_equal(
    \ #{current: 1, exact_match: 1, total: 100, incomplete: 2, maxcount: 99},
    \ searchcount(#{recompute: 0}))
  call assert_equal(
    \ #{current: 1, exact_match: 1, total: 280, incomplete: 0, maxcount: 0},
    \ searchcount(#{recompute: 1, maxcount: 0, timeout: 200}))
  call assert_equal(
    \ #{current: 271, exact_match: 1, total: 280, incomplete: 0, maxcount: 0},
    \ searchcount(#{recompute: 1, maxcount: 0, pos: [line('$')-2, 1, 0], timeout: 200}))

  " Many matches
  call cursor(1, 1)
  let g:a = execute(':unsilent :norm! n')
  let stat = '\[2/>99\]'
  call assert_match(pat .. stat, g:a)
  call cursor(1, 1)
  let g:a = execute(':unsilent :norm! N')
  let stat = 'W \[>99/>99\]'
  call assert_match(pat .. stat, g:a)

  " right-left
  if exists("+rightleft")
    set rl
    call cursor(1,1)
    let @/ = 'foobar'
    let pat = 'raboof/\s\+'
    let g:a = execute(':unsilent :norm! n')
    let stat = '\[20/2\]'
    call assert_match(pat .. stat, g:a)
    set norl
  endif

  " right-left bottom
  if exists("+rightleft")
    set rl
    call cursor('$',1)
    let pat = 'raboof?\s\+'
    let g:a = execute(':unsilent :norm! N')
    let stat = '\[20/20\]'
    call assert_match(pat .. stat, g:a)
    set norl
  endif

  " right-left back at top
  if exists("+rightleft")
    set rl
    call cursor('$',1)
    let pat = 'raboof/\s\+'
    let g:a = execute(':unsilent :norm! n')
    let stat = 'W \[20/1\]'
    call assert_match(pat .. stat, g:a)
    call assert_match('search hit BOTTOM, continuing at TOP', g:a)
    set norl
  endif

  " normal, back at bottom
  call cursor(1,1)
  let @/ = 'foobar'
  let pat = '?foobar\s\+'
  let g:a = execute(':unsilent :norm! N')
  let stat = 'W \[20/20\]'
  call assert_match(pat .. stat, g:a)
  call assert_match('search hit TOP, continuing at BOTTOM', g:a)
  call assert_match('W \[20/20\]', Screenline(&lines))

  " normal, no match
  call cursor(1,1)
  let @/ = 'zzzzzz'
  let g:a = ''
  try
    let g:a = execute(':unsilent :norm! n')
  catch /^Vim\%((\a\+)\)\=:E486/
    let stat = ''
    " error message is not redir'ed to g:a, it is empty
    call assert_true(empty(g:a))
  catch
    call assert_false(1)
  endtry

  " with count
  call cursor(1, 1)
  let @/ = 'fo*\(bar\?\)\?'
  let g:a = execute(':unsilent :norm! 2n')
  let stat = '\[3/50\]'
  let pat = escape(@/, '()*?'). '\s\+'
  call assert_match(pat .. stat, g:a)
  let g:a = execute(':unsilent :norm! 2n')
  let stat = '\[5/50\]'
  call assert_match(pat .. stat, g:a)

  " with offset
  call cursor(1, 1)
  call feedkeys("/fo*\\(bar\\?\\)\\?/+1\<cr>", 'tx')
  let g:a = execute(':unsilent :norm! n')
  let stat = '\[5/50\]'
  let pat = escape(@/ .. '/+1', '()*?'). '\s\+'
  call assert_match(pat .. stat, g:a)

  " normal, n comes from a mapping
  "     Need to move over more than 64 lines to trigger char_avail(.
  nnoremap n nzv
  call cursor(1,1)
  call append(50, repeat(['foobar', 'foo', 'fooooobar', 'foba', 'foobar'], 10))
  call setline(2, 'find this')
  call setline(70, 'find this')
  let @/ = 'find this'
  let pat = '/find this\s\+'
  let g:a = execute(':unsilent :norm n')
  " g:a will contain several lines
  let g:b = split(g:a, "\n")[-1]
  let stat = '\[1/2\]'
  call assert_match(pat .. stat, g:b)
  unmap n

  " normal, but silent
  call cursor(1,1)
  let @/ = 'find this'
  let pat = '/find this\s\+'
  let g:a = execute(':norm! n')
  let stat = '\[1/2\]'
  call assert_notmatch(pat .. stat, g:a)

  " normal, n comes from a silent mapping
  " First test a normal mapping, then a silent mapping
  call cursor(1,1)
  nnoremap n n
  let @/ = 'find this'
  let pat = '/find this\s\+'
  let g:a = execute(':unsilent :norm n')
  let g:b = split(g:a, "\n")[-1]
  let stat = '\[1/2\]'
  call assert_match(pat .. stat, g:b)
  nnoremap <silent> n n
  call cursor(1,1)
  let g:a = execute(':unsilent :norm n')
  let g:b = split(g:a, "\n")[-1]
  let stat = '\[1/2\]'
  call assert_notmatch(pat .. stat, g:b)
  call assert_match(stat, g:b)
  " Test that the message is not truncated
  " it would insert '...' into the output.
  call assert_match('^\s\+' .. stat, g:b)
  unmap n

  " Time out
  %delete _
  call append(0, repeat(['foobar', 'foo', 'fooooobar', 'foba', 'foobar'], 100000))
  call cursor(1, 1)
  call assert_equal(1, searchcount(#{pattern: 'foo', maxcount: 0, timeout: 1}).incomplete)

  " Clean up
  set shortmess+=S
  " close the window
  bwipe!
endfunc

func Test_searchcount_fails()
  call assert_fails('echo searchcount("boo!")', 'E715:')
endfunc

func Test_searchcount_in_statusline()
  CheckScreendump

  let lines =<< trim END
    set shortmess-=S
    call append(0, 'this is something')
    function TestSearchCount() abort
      let search_count = searchcount()
      if !empty(search_count)
	return '[' . search_count.current . '/' . search_count.total . ']'
      else
	return ''
      endif
    endfunction
    set hlsearch
    set laststatus=2 statusline+=%{TestSearchCount()}
  END
  call writefile(lines, 'Xsearchstatusline')
  let buf = RunVimInTerminal('-S Xsearchstatusline', #{rows: 10})
  call TermWait(buf)
  call term_sendkeys(buf, "/something")
  call VerifyScreenDump(buf, 'Test_searchstat_4', {})

  call term_sendkeys(buf, "\<Esc>")
  call StopVimInTerminal(buf)
  call delete('Xsearchstatusline')
endfunc

func Test_search_stat_foldopen()
  CheckScreendump

  let lines =<< trim END
    set shortmess-=S
    setl foldenable foldmethod=indent foldopen-=search
    call append(0, ['if', "\tfoo", "\tfoo", 'endif'])
    let @/ = 'foo'
    call cursor(1,1)
    norm n
  END
  call writefile(lines, 'Xsearchstat1')

  let buf = RunVimInTerminal('-S Xsearchstat1', #{rows: 10})
  call TermWait(buf)
  call VerifyScreenDump(buf, 'Test_searchstat_3', {})

  call term_sendkeys(buf, "n")
  call TermWait(buf)
  call VerifyScreenDump(buf, 'Test_searchstat_3', {})

  call term_sendkeys(buf, "n")
  call TermWait(buf)
  call VerifyScreenDump(buf, 'Test_searchstat_3', {})

  call StopVimInTerminal(buf)
  call delete('Xsearchstat1')
endfunc

func! Test_search_stat_screendump()
  CheckScreendump

  let lines =<< trim END
    set shortmess-=S
    " Append 50 lines with text to search for, "foobar" appears 20 times
    call append(0, repeat(['foobar', 'foo', 'fooooobar', 'foba', 'foobar'], 20))
    call setline(2, 'find this')
    call setline(70, 'find this')
    nnoremap n n
    let @/ = 'find this'
    call cursor(1,1)
    norm n
  END
  call writefile(lines, 'Xsearchstat')
  let buf = RunVimInTerminal('-S Xsearchstat', #{rows: 10})
  call TermWait(buf)
  call VerifyScreenDump(buf, 'Test_searchstat_1', {})

  call term_sendkeys(buf, ":nnoremap <silent> n n\<cr>")
  call term_sendkeys(buf, "gg0n")
  call TermWait(buf)
  call VerifyScreenDump(buf, 'Test_searchstat_2', {})

  call StopVimInTerminal(buf)
  call delete('Xsearchstat')
endfunc

" vim: shiftwidth=2 sts=2 expandtab