mirror of
https://github.com/neovim/neovim.git
synced 2025-11-04 01:34:25 +00:00
2afbce7651
Problem - `redir_exec` is obsolete, but it keeps getting used in new tests because people copy existing tests. - Disadvantages of `redir_exec`: - Captures extra junk before the actual error/message that we _want_ to test. - Does not fail on error, unlike e.g. `command()`. Solution - Use new functions like `nvim_exec` and `pcall_err`.
403 lines
12 KiB
Lua
403 lines
12 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local call = helpers.call
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local clear = helpers.clear
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local command = helpers.command
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local eq = helpers.eq
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local eval = helpers.eval
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local feed = helpers.feed
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local map = helpers.tbl_map
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local nvim = helpers.nvim
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local parse_context = helpers.parse_context
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local exec_capture = helpers.exec_capture
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local source = helpers.source
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local trim = helpers.trim
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local write_file = helpers.write_file
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local pcall_err = helpers.pcall_err
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describe('context functions', function()
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local fname1 = 'Xtest-functional-eval-ctx1'
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local fname2 = 'Xtest-functional-eval-ctx2'
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local outofbounds =
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'Vim:E475: Invalid value for argument index: out of bounds'
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before_each(function()
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clear()
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write_file(fname1, "1\n2\n3")
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write_file(fname2, "a\nb\nc")
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end)
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after_each(function()
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os.remove(fname1)
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os.remove(fname2)
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end)
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describe('ctxpush/ctxpop', function()
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it('saves and restores registers properly', function()
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local regs = {'1', '2', '3', 'a'}
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local vals = {'1', '2', '3', 'hjkl'}
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feed('i1<cr>2<cr>3<c-[>ddddddqahjklq')
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eq(vals, map(function(r) return trim(call('getreg', r)) end, regs))
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call('ctxpush')
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call('ctxpush', {'regs'})
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map(function(r) call('setreg', r, {}) end, regs)
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eq({'', '', '', ''},
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map(function(r) return trim(call('getreg', r)) end, regs))
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call('ctxpop')
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eq(vals, map(function(r) return trim(call('getreg', r)) end, regs))
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map(function(r) call('setreg', r, {}) end, regs)
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eq({'', '', '', ''},
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map(function(r) return trim(call('getreg', r)) end, regs))
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call('ctxpop')
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eq(vals, map(function(r) return trim(call('getreg', r)) end, regs))
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end)
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it('saves and restores jumplist properly', function()
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command('edit '..fname1)
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feed('G')
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feed('gg')
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command('edit '..fname2)
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local jumplist = call('getjumplist')
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call('ctxpush')
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call('ctxpush', {'jumps'})
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command('clearjumps')
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eq({{}, 0}, call('getjumplist'))
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call('ctxpop')
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eq(jumplist, call('getjumplist'))
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command('clearjumps')
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eq({{}, 0}, call('getjumplist'))
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call('ctxpop')
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eq(jumplist, call('getjumplist'))
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end)
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it('saves and restores buffer list properly', function()
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command('edit '..fname1)
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command('edit '..fname2)
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command('edit TEST')
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local bufs = call('map', call('getbufinfo'), 'v:val.name')
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call('ctxpush')
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call('ctxpush', {'bufs'})
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command('%bwipeout')
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eq({''}, call('map', call('getbufinfo'), 'v:val.name'))
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call('ctxpop')
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eq({'', unpack(bufs)}, call('map', call('getbufinfo'), 'v:val.name'))
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command('%bwipeout')
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eq({''}, call('map', call('getbufinfo'), 'v:val.name'))
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call('ctxpop')
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eq({'', unpack(bufs)}, call('map', call('getbufinfo'), 'v:val.name'))
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end)
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it('saves and restores global variables properly', function()
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nvim('set_var', 'one', 1)
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nvim('set_var', 'Two', 2)
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nvim('set_var', 'THREE', 3)
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eq({1, 2 ,3}, eval('[g:one, g:Two, g:THREE]'))
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call('ctxpush')
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call('ctxpush', {'gvars'})
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nvim('del_var', 'one')
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nvim('del_var', 'Two')
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nvim('del_var', 'THREE')
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eq('Vim:E121: Undefined variable: g:one', pcall_err(eval, 'g:one'))
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eq('Vim:E121: Undefined variable: g:Two', pcall_err(eval, 'g:Two'))
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eq('Vim:E121: Undefined variable: g:THREE', pcall_err(eval, 'g:THREE'))
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call('ctxpop')
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eq({1, 2 ,3}, eval('[g:one, g:Two, g:THREE]'))
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nvim('del_var', 'one')
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nvim('del_var', 'Two')
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nvim('del_var', 'THREE')
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eq('Vim:E121: Undefined variable: g:one', pcall_err(eval, 'g:one'))
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eq('Vim:E121: Undefined variable: g:Two', pcall_err(eval, 'g:Two'))
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eq('Vim:E121: Undefined variable: g:THREE', pcall_err(eval, 'g:THREE'))
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call('ctxpop')
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eq({1, 2 ,3}, eval('[g:one, g:Two, g:THREE]'))
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end)
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it('saves and restores script functions properly', function()
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source([[
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function s:greet(name)
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echom 'Hello, '.a:name.'!'
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endfunction
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function s:greet_all(name, ...)
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echom 'Hello, '.a:name.'!'
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for more in a:000
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echom 'Hello, '.more.'!'
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endfor
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endfunction
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function Greet(name)
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call call('s:greet', [a:name])
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endfunction
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function GreetAll(name, ...)
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call call('s:greet_all', extend([a:name], a:000))
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endfunction
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function SaveSFuncs()
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call ctxpush(['sfuncs'])
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endfunction
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function DeleteSFuncs()
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delfunction s:greet
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delfunction s:greet_all
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endfunction
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function RestoreFuncs()
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call ctxpop()
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endfunction
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]])
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eq('Hello, World!', exec_capture([[call Greet('World')]]))
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eq('Hello, World!'..
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'\nHello, One!'..
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'\nHello, Two!'..
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'\nHello, Three!',
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exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
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call('SaveSFuncs')
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call('DeleteSFuncs')
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eq('Vim(call):E117: Unknown function: s:greet',
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pcall_err(command, [[call Greet('World')]]))
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eq('Vim(call):E117: Unknown function: s:greet_all',
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pcall_err(command, [[call GreetAll('World', 'One', 'Two', 'Three')]]))
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call('RestoreFuncs')
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eq('Hello, World!', exec_capture([[call Greet('World')]]))
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eq('Hello, World!'..
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'\nHello, One!'..
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'\nHello, Two!'..
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'\nHello, Three!',
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exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
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end)
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it('saves and restores functions properly', function()
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source([[
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function Greet(name)
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echom 'Hello, '.a:name.'!'
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endfunction
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function GreetAll(name, ...)
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echom 'Hello, '.a:name.'!'
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for more in a:000
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echom 'Hello, '.more.'!'
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endfor
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endfunction
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]])
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eq('Hello, World!', exec_capture([[call Greet('World')]]))
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eq('Hello, World!'..
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'\nHello, One!'..
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'\nHello, Two!'..
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'\nHello, Three!',
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exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
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call('ctxpush', {'funcs'})
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command('delfunction Greet')
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command('delfunction GreetAll')
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eq('Vim:E117: Unknown function: Greet', pcall_err(call, 'Greet', 'World'))
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eq('Vim:E117: Unknown function: GreetAll',
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pcall_err(call, 'GreetAll', 'World', 'One', 'Two', 'Three'))
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call('ctxpop')
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eq('Hello, World!', exec_capture([[call Greet('World')]]))
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eq('Hello, World!'..
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'\nHello, One!'..
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'\nHello, Two!'..
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'\nHello, Three!',
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exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
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end)
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it('errors out when context stack is empty', function()
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local err = 'Vim:Context stack is empty'
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eq(err, pcall_err(call, 'ctxpop'))
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eq(err, pcall_err(call, 'ctxpop'))
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call('ctxpush')
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call('ctxpush')
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call('ctxpop')
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call('ctxpop')
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eq(err, pcall_err(call, 'ctxpop'))
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end)
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end)
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describe('ctxsize()', function()
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it('returns context stack size', function()
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eq(0, call('ctxsize'))
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call('ctxpush')
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eq(1, call('ctxsize'))
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call('ctxpush')
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eq(2, call('ctxsize'))
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call('ctxpush')
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eq(3, call('ctxsize'))
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call('ctxpop')
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eq(2, call('ctxsize'))
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call('ctxpop')
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eq(1, call('ctxsize'))
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call('ctxpop')
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eq(0, call('ctxsize'))
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end)
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end)
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describe('ctxget()', function()
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it('errors out when index is out of bounds', function()
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eq(outofbounds, pcall_err(call, 'ctxget'))
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call('ctxpush')
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eq(outofbounds, pcall_err(call, 'ctxget', 1))
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call('ctxpop')
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eq(outofbounds, pcall_err(call, 'ctxget', 0))
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end)
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it('returns context dictionary at index in context stack', function()
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feed('i1<cr>2<cr>3<c-[>ddddddqahjklq')
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command('edit! '..fname1)
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feed('G')
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feed('gg')
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command('edit '..fname2)
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nvim('set_var', 'one', 1)
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nvim('set_var', 'Two', 2)
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nvim('set_var', 'THREE', 3)
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local with_regs = {
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['regs'] = {
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{['rt'] = 1, ['rc'] = {'1'}, ['n'] = 49, ['ru'] = true},
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{['rt'] = 1, ['rc'] = {'2'}, ['n'] = 50},
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{['rt'] = 1, ['rc'] = {'3'}, ['n'] = 51},
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{['rc'] = {'hjkl'}, ['n'] = 97},
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}
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}
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local with_jumps = {
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['jumps'] = eval(([[
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filter(map(getjumplist()[0], 'filter(
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{ "f": expand("#".v:val.bufnr.":p"), "l": v:val.lnum },
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{ k, v -> k != "l" || v != 1 })'), '!empty(v:val.f)')
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]]):gsub('\n', ''))
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}
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local with_bufs = {
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['bufs'] = eval([[
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filter(map(getbufinfo(), '{ "f": v:val.name }'), '!empty(v:val.f)')
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]])
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}
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local with_gvars = {
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['gvars'] = {{'one', 1}, {'Two', 2}, {'THREE', 3}}
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}
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local with_all = {
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['regs'] = with_regs['regs'],
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['jumps'] = with_jumps['jumps'],
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['bufs'] = with_bufs['bufs'],
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['gvars'] = with_gvars['gvars'],
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}
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call('ctxpush')
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eq(with_all, parse_context(call('ctxget')))
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eq(with_all, parse_context(call('ctxget', 0)))
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call('ctxpush', {'gvars'})
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eq(with_gvars, parse_context(call('ctxget')))
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eq(with_gvars, parse_context(call('ctxget', 0)))
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eq(with_all, parse_context(call('ctxget', 1)))
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call('ctxpush', {'bufs'})
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eq(with_bufs, parse_context(call('ctxget')))
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eq(with_bufs, parse_context(call('ctxget', 0)))
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eq(with_gvars, parse_context(call('ctxget', 1)))
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eq(with_all, parse_context(call('ctxget', 2)))
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call('ctxpush', {'jumps'})
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eq(with_jumps, parse_context(call('ctxget')))
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eq(with_jumps, parse_context(call('ctxget', 0)))
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eq(with_bufs, parse_context(call('ctxget', 1)))
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eq(with_gvars, parse_context(call('ctxget', 2)))
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eq(with_all, parse_context(call('ctxget', 3)))
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call('ctxpush', {'regs'})
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eq(with_regs, parse_context(call('ctxget')))
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eq(with_regs, parse_context(call('ctxget', 0)))
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eq(with_jumps, parse_context(call('ctxget', 1)))
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eq(with_bufs, parse_context(call('ctxget', 2)))
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eq(with_gvars, parse_context(call('ctxget', 3)))
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eq(with_all, parse_context(call('ctxget', 4)))
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call('ctxpop')
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eq(with_jumps, parse_context(call('ctxget')))
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eq(with_jumps, parse_context(call('ctxget', 0)))
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eq(with_bufs, parse_context(call('ctxget', 1)))
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eq(with_gvars, parse_context(call('ctxget', 2)))
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eq(with_all, parse_context(call('ctxget', 3)))
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call('ctxpop')
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eq(with_bufs, parse_context(call('ctxget')))
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eq(with_bufs, parse_context(call('ctxget', 0)))
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eq(with_gvars, parse_context(call('ctxget', 1)))
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eq(with_all, parse_context(call('ctxget', 2)))
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call('ctxpop')
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eq(with_gvars, parse_context(call('ctxget')))
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eq(with_gvars, parse_context(call('ctxget', 0)))
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eq(with_all, parse_context(call('ctxget', 1)))
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call('ctxpop')
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eq(with_all, parse_context(call('ctxget')))
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eq(with_all, parse_context(call('ctxget', 0)))
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end)
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end)
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describe('ctxset()', function()
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it('errors out when index is out of bounds', function()
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eq(outofbounds, pcall_err(call, 'ctxset', {dummy = 1}))
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call('ctxpush')
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eq(outofbounds, pcall_err(call, 'ctxset', {dummy = 1}, 1))
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call('ctxpop')
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eq(outofbounds, pcall_err(call, 'ctxset', {dummy = 1}, 0))
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end)
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it('sets context dictionary at index in context stack', function()
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nvim('set_var', 'one', 1)
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nvim('set_var', 'Two', 2)
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nvim('set_var', 'THREE', 3)
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call('ctxpush')
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local ctx1 = call('ctxget')
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nvim('set_var', 'one', 'a')
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nvim('set_var', 'Two', 'b')
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nvim('set_var', 'THREE', 'c')
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call('ctxpush')
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call('ctxpush')
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local ctx2 = call('ctxget')
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eq({'a', 'b' ,'c'}, eval('[g:one, g:Two, g:THREE]'))
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call('ctxset', ctx1)
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call('ctxset', ctx2, 2)
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call('ctxpop')
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eq({1, 2 ,3}, eval('[g:one, g:Two, g:THREE]'))
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call('ctxpop')
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eq({'a', 'b' ,'c'}, eval('[g:one, g:Two, g:THREE]'))
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nvim('set_var', 'one', 1.5)
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eq({1.5, 'b' ,'c'}, eval('[g:one, g:Two, g:THREE]'))
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call('ctxpop')
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eq({'a', 'b' ,'c'}, eval('[g:one, g:Two, g:THREE]'))
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end)
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end)
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end)
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