mirror of
https://github.com/neovim/neovim.git
synced 2024-12-24 13:15:09 -07:00
4f431bb632
Problem: Cannot filter the history
Solution: Implement :filter :history
closes: vim/vim#14835
42a5b5a6d0
Co-authored-by: Christian Brabandt <cb@256bit.org>
320 lines
10 KiB
VimL
320 lines
10 KiB
VimL
" Tests for the history functions
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source check.vim
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CheckFeature cmdline_hist
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set history=7
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function History_Tests(hist)
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" First clear the history
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call histadd(a:hist, 'dummy')
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call assert_true(histdel(a:hist))
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call assert_equal(-1, histnr(a:hist))
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call assert_equal('', histget(a:hist))
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call assert_true('ls'->histadd(a:hist))
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call assert_true(histadd(a:hist, 'buffers'))
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call assert_equal('buffers', histget(a:hist))
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call assert_equal('ls', histget(a:hist, -2))
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call assert_equal('ls', histget(a:hist, 1))
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call assert_equal('', histget(a:hist, 5))
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call assert_equal('', histget(a:hist, -5))
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call assert_equal(2, histnr(a:hist))
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call assert_true(histdel(a:hist, 2))
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call assert_false(a:hist->histdel(7))
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call assert_equal(1, histnr(a:hist))
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call assert_equal('ls', histget(a:hist, -1))
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call assert_true(histadd(a:hist, 'buffers'))
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call assert_true(histadd(a:hist, 'ls'))
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call assert_equal('ls', a:hist->histget(-1))
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call assert_equal(4, a:hist->histnr())
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let a=execute('history ' . a:hist)
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call assert_match("^\n # \\S* history\n 3 buffers\n> 4 ls$", a)
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let a=execute('history all')
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call assert_match("^\n # .* history\n 3 buffers\n> 4 ls", a)
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if len(a:hist) > 0
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let a=execute('history ' . a:hist . ' 2')
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call assert_match("^\n # \\S* history$", a)
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let a=execute('history ' . a:hist . ' 3')
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call assert_match("^\n # \\S* history\n 3 buffers$", a)
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let a=execute('history ' . a:hist . ' 4')
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call assert_match("^\n # \\S* history\n> 4 ls$", a)
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let a=execute('history ' . a:hist . ' 3,4')
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call assert_match("^\n # \\S* history\n 3 buffers\n> 4 ls$", a)
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let a=execute('history ' . a:hist . ' -1')
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call assert_match("^\n # \\S* history\n> 4 ls$", a)
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let a=execute('history ' . a:hist . ' -2')
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call assert_match("^\n # \\S* history\n 3 buffers$", a)
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let a=execute('history ' . a:hist . ' -2,')
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call assert_match("^\n # \\S* history\n 3 buffers\n> 4 ls$", a)
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let a=execute('history ' . a:hist . ' -3')
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call assert_match("^\n # \\S* history$", a)
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endif
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" Test for removing entries matching a pattern
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for i in range(1, 3)
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call histadd(a:hist, 'text_' . i)
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endfor
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call assert_true(histdel(a:hist, 'text_\d\+'))
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call assert_equal('ls', histget(a:hist, -1))
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" Test for freeing the entire history list
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for i in range(1, 7)
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call histadd(a:hist, 'text_' . i)
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endfor
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call histdel(a:hist)
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for i in range(1, 7)
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call assert_equal('', histget(a:hist, i))
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call assert_equal('', histget(a:hist, i - 7 - 1))
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endfor
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" Test for freeing an entry at the beginning of the history list
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for i in range(1, 4)
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call histadd(a:hist, 'text_' . i)
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endfor
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call histdel(a:hist, 1)
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call assert_equal('', histget(a:hist, 1))
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call assert_equal('text_4', histget(a:hist, 4))
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endfunction
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function Test_History()
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for h in ['cmd', ':', '', 'search', '/', '?', 'expr', '=', 'input', '@', 'debug', '>']
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call History_Tests(h)
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endfor
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" Negative tests
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call assert_false(histdel('abc'))
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call assert_equal('', histget('abc'))
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call assert_fails('call histdel([])', 'E730:')
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call assert_equal('', histget(10))
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call assert_fails('call histget([])', 'E730:')
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call assert_equal(-1, histnr('abc'))
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call assert_fails('call histnr([])', 'E730:')
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call assert_fails('history xyz', 'E488:')
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call assert_fails('history ,abc', 'E488:')
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call assert_fails('call histdel(":", "\\%(")', 'E53:')
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" Test for filtering the history list
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let hist_filter = execute(':filter /_\d/ :history all')->split('\n')
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call assert_equal(20, len(hist_filter))
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let expected = [' # cmd history',
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\ ' 2 text_2',
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\ ' 3 text_3',
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\ '> 4 text_4',
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\ ' # search history',
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\ ' 2 text_2',
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\ ' 3 text_3',
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\ '> 4 text_4',
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\ ' # expr history',
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\ ' 2 text_2',
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\ ' 3 text_3',
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\ '> 4 text_4',
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\ ' # input history',
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\ ' 2 text_2',
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\ ' 3 text_3',
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\ '> 4 text_4',
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\ ' # debug history',
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\ ' 2 text_2',
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\ ' 3 text_3',
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\ '> 4 text_4']
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call assert_equal(expected, hist_filter)
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let cmds = {'c': 'cmd', 's': 'search', 'e': 'expr', 'i': 'input', 'd': 'debug'}
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for h in sort(keys(cmds))
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" find some items
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let hist_filter = execute(':filter /_\d/ :history ' .. h)->split('\n')
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call assert_equal(4, len(hist_filter))
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let expected = [' # ' .. cmds[h] .. ' history',
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\ ' 2 text_2',
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\ ' 3 text_3',
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\ '> 4 text_4']
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call assert_equal(expected, hist_filter)
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" Search for an item that is not there
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let hist_filter = execute(':filter /XXXX/ :history ' .. h)->split('\n')
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call assert_equal(1, len(hist_filter))
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let expected = [' # ' .. cmds[h] .. ' history']
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call assert_equal(expected, hist_filter)
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" Invert the filter condition, find non-matches
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let hist_filter = execute(':filter! /_3$/ :history ' .. h)->split('\n')
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call assert_equal(3, len(hist_filter))
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let expected = [' # ' .. cmds[h] .. ' history',
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\ ' 2 text_2',
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\ '> 4 text_4']
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call assert_equal(expected, hist_filter)
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endfor
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endfunction
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function Test_history_truncates_long_entry()
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" History entry short enough to fit on the screen should not be truncated.
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call histadd(':', 'echo x' .. repeat('y', &columns - 17) .. 'z')
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let a = execute('history : -1')
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call assert_match("^\n # cmd history\n"
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\ .. "> *\\d\\+ echo x" .. repeat('y', &columns - 17) .. 'z$', a)
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" Long history entry should be truncated to fit on the screen, with, '...'
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" inserted in the string to indicate the that there is truncation.
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call histadd(':', 'echo x' .. repeat('y', &columns - 16) .. 'z')
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let a = execute('history : -1')
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call assert_match("^\n # cmd history\n"
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\ .. "> *\\d\\+ echo xy\\+\.\.\.y\\+z$", a)
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endfunction
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function Test_Search_history_window()
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new
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call setline(1, ['a', 'b', 'a', 'b'])
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1
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call feedkeys("/a\<CR>", 'xt')
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call assert_equal('a', getline('.'))
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1
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call feedkeys("/b\<CR>", 'xt')
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call assert_equal('b', getline('.'))
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1
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" select the previous /a command
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call feedkeys("q/kk\<CR>", 'x!')
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call assert_equal('a', getline('.'))
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call assert_equal('a', @/)
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bwipe!
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endfunc
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" Test for :history command option completion
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function Test_history_completion()
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call feedkeys(":history \<C-A>\<C-B>\"\<CR>", 'tx')
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call assert_equal('"history / : = > ? @ all cmd debug expr input search', @:)
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endfunc
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" Test for increasing the 'history' option value
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func Test_history_size()
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let save_histsz = &history
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set history=10
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call histadd(':', 'ls')
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call histdel(':')
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for i in range(1, 5)
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call histadd(':', 'cmd' .. i)
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endfor
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call assert_equal(5, histnr(':'))
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call assert_equal('cmd5', histget(':', -1))
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set history=15
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for i in range(6, 10)
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call histadd(':', 'cmd' .. i)
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endfor
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call assert_equal(10, histnr(':'))
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call assert_equal('cmd1', histget(':', 1))
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call assert_equal('cmd10', histget(':', -1))
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set history=5
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call histadd(':', 'abc')
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call assert_equal('', histget(':', 6))
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call assert_equal('', histget(':', 12))
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call assert_equal('cmd7', histget(':', 7))
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call assert_equal('abc', histget(':', -1))
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" This test works only when the language is English
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if v:lang == "C" || v:lang =~ '^[Ee]n'
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set history=0
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redir => v
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call feedkeys(":history\<CR>", 'xt')
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redir END
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call assert_equal(["'history' option is zero"], split(v, "\n"))
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endif
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let &history=save_histsz
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endfunc
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" Test for recalling old search patterns in /
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func Test_history_search()
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call histdel('/')
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let g:pat = []
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func SavePat()
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call add(g:pat, getcmdline())
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return ''
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endfunc
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cnoremap <F2> <C-\>eSavePat()<CR>
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call histadd('/', 'pat1')
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call histadd('/', 'pat2')
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let @/ = ''
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call feedkeys("/\<Up>\<F2>\<Up>\<F2>\<Down>\<Down>\<F2>\<Esc>", 'xt')
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call assert_equal(['pat2', 'pat1', ''], g:pat)
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cunmap <F2>
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delfunc SavePat
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" Search for a pattern that is not present in the history
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call assert_beeps('call feedkeys("/a1b2\<Up>\<CR>", "xt")')
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" Recall patterns with 'history' set to 0
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set history=0
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let @/ = 'abc'
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let cmd = 'call feedkeys("/\<Up>\<Down>\<S-Up>\<S-Down>\<CR>", "xt")'
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call assert_fails(cmd, 'E486:')
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set history&
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" Recall patterns till the end of history
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set history=4
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call histadd('/', 'pat')
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call histdel('/')
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call histadd('/', 'pat1')
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call histadd('/', 'pat2')
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call assert_beeps('call feedkeys("/\<Up>\<Up>\<Up>\<C-U>\<cr>", "xt")')
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call assert_beeps('call feedkeys("/\<Down><cr>", "xt")')
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" Test for wrapping around the history list
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for i in range(3, 7)
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call histadd('/', 'pat' .. i)
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endfor
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let upcmd = "\<up>\<up>\<up>\<up>\<up>"
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let downcmd = "\<down>\<down>\<down>\<down>\<down>"
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try
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call feedkeys("/" .. upcmd .. "\<cr>", 'xt')
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catch /E486:/
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endtry
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call assert_equal('pat4', @/)
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try
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call feedkeys("/" .. upcmd .. downcmd .. "\<cr>", 'xt')
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catch /E486:/
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endtry
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call assert_equal('pat4', @/)
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" Test for changing the search command separator in the history
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call assert_fails('call feedkeys("/def/\<cr>", "xt")', 'E486:')
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call assert_fails('call feedkeys("?\<up>\<cr>", "xt")', 'E486:')
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call assert_equal('def?', histget('/', -1))
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call assert_fails('call feedkeys("/ghi?\<cr>", "xt")', 'E486:')
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call assert_fails('call feedkeys("?\<up>\<cr>", "xt")', 'E486:')
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call assert_equal('ghi\?', histget('/', -1))
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set history&
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endfunc
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" Test for making sure the key value is not stored in history
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func Test_history_crypt_key()
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CheckFeature cryptv
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call feedkeys(":set bs=2 key=abc ts=8\<CR>", 'xt')
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call assert_equal('set bs=2 key= ts=8', histget(':'))
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call assert_fails("call feedkeys(':set bs=2 key-=abc ts=8\<CR>', 'xt')")
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call assert_equal('set bs=2 key-= ts=8', histget(':'))
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set key& bs& ts&
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endfunc
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" The following used to overflow and causing a use-after-free
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func Test_history_max_val()
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set history=10
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call assert_fails(':history 2147483648', 'E1510:')
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set history&
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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