mirror of
https://github.com/neovim/neovim.git
synced 2024-12-28 14:31:13 -07:00
421 lines
15 KiB
Lua
421 lines
15 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local eq, call, clear, eval, execute, feed, nvim =
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helpers.eq, helpers.call, helpers.clear, helpers.eval, helpers.execute,
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helpers.feed, helpers.nvim
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local Screen = require('test.functional.ui.screen')
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local function create_file_with_nuls(name)
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return function()
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feed('ipart1<C-V>000part2<C-V>000part3<ESC>:w '..name..'<CR>')
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eval('1') -- wait for the file to be created
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end
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end
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local function delete_file(name)
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return function()
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eval("delete('"..name.."')")
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end
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end
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-- Some tests require the xclip program and a x server.
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local xclip = nil
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do
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if os.getenv('DISPLAY') then
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xclip = (os.execute('command -v xclip > /dev/null 2>&1') == 0)
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end
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end
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describe('system()', function()
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before_each(clear)
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describe('command passed as a List', function()
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local printargs_path = helpers.nvim_dir..'/printargs-test'
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.. (helpers.os_name() == 'windows' and '.exe' or '')
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it('quotes arguments correctly #5280', function()
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local out = call('system',
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{ printargs_path, [[1]], [[2 "3]], [[4 ' 5]], [[6 ' 7']] })
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eq(0, eval('v:shell_error'))
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eq([[arg1=1;arg2=2 "3;arg3=4 ' 5;arg4=6 ' 7';]], out)
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out = call('system', { printargs_path, [['1]], [[2 "3]] })
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eq(0, eval('v:shell_error'))
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eq([[arg1='1;arg2=2 "3;]], out)
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out = call('system', { printargs_path, "A\nB" })
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eq(0, eval('v:shell_error'))
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eq("arg1=A\nB;", out)
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end)
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it('calls executable in $PATH', function()
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if 0 == eval("executable('python')") then pending("missing `python`") end
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eq("foo\n", eval([[system(['python', '-c', 'print("foo")'])]]))
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eq(0, eval('v:shell_error'))
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end)
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it('does NOT run in shell', function()
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if helpers.os_name() ~= 'windows' then
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eq("* $PATH %PATH%\n", eval("system(['echo', '*', '$PATH', '%PATH%'])"))
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end
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end)
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end)
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if helpers.pending_win32(pending) then return end
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it('sets v:shell_error', function()
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eval([[system("sh -c 'exit'")]])
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eq(0, eval('v:shell_error'))
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eval([[system("sh -c 'exit 1'")]])
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eq(1, eval('v:shell_error'))
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eval([[system("sh -c 'exit 5'")]])
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eq(5, eval('v:shell_error'))
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eval([[system('this-should-not-exist')]])
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eq(127, eval('v:shell_error'))
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end)
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describe('executes shell function if passed a string', function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new()
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screen:attach()
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end)
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after_each(function()
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screen:detach()
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end)
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it('`echo` and waits for its return', function()
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feed(':call system("echo")<cr>')
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screen:expect([[
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^ |
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:call system("echo") |
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]])
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end)
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it('`yes` and is interrupted with CTRL-C', function()
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feed(':call system("yes")<cr>')
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screen:expect([[
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:call system("yes") |
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]])
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feed('<c-c>')
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screen:expect([[
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^ |
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Type :quit<Enter> to exit Nvim |
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]])
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end)
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end)
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describe('passing no input', function()
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it('returns the program output', function()
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eq("echoed", eval('system("echo -n echoed")'))
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end)
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it('to backgrounded command does not crash', function()
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-- This is indeterminate, just exercise the codepath. May get E5677.
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execute('call system("echo -n echoed &")')
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local v_errnum = string.match(eval("v:errmsg"), "^E%d*:")
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if v_errnum then
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eq("E5677:", v_errnum)
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end
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eq(2, eval("1+1")) -- Still alive?
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end)
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end)
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describe('passing input', function()
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it('returns the program output', function()
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eq("input", eval('system("cat -", "input")'))
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end)
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it('to backgrounded command does not crash', function()
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-- This is indeterminate, just exercise the codepath. May get E5677.
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execute('call system("cat - &")')
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local v_errnum = string.match(eval("v:errmsg"), "^E%d*:")
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if v_errnum then
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eq("E5677:", v_errnum)
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end
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eq(2, eval("1+1")) -- Still alive?
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end)
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end)
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describe('passing a lot of input', function()
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it('returns the program output', function()
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local input = {}
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-- write more than 1mb of data, which should be enough to overcome
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-- the os buffer limit and force multiple event loop iterations to write
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-- everything
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for _ = 1, 0xffff do
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input[#input + 1] = '01234567890ABCDEFabcdef'
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end
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input = table.concat(input, '\n')
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nvim('set_var', 'input', input)
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eq(input, eval('system("cat -", g:input)'))
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end)
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end)
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describe('input passed as Number', function()
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it('stringifies the input', function()
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eq('1', eval('system("cat", 1)'))
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end)
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end)
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describe('with output containing NULs', function()
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local fname = 'Xtest'
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before_each(create_file_with_nuls(fname))
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after_each(delete_file(fname))
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it('replaces NULs by SOH characters', function()
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eq('part1\001part2\001part3\n', eval('system("cat '..fname..'")'))
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end)
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end)
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describe('input passed as List', function()
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it('joins List items with linefeed characters', function()
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eq('line1\nline2\nline3',
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eval("system('cat -', ['line1', 'line2', 'line3'])"))
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end)
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-- Notice that NULs are converted to SOH when the data is read back. This
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-- is inconsistent and is a good reason for the existence of the
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-- `systemlist()` function, where input and output map to the same
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-- characters(see the following tests with `systemlist()` below)
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describe('with linefeed characters inside List items', function()
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it('converts linefeed characters to NULs', function()
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eq('l1\001p2\nline2\001a\001b\nl3',
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eval([[system('cat -', ["l1\np2", "line2\na\nb", 'l3'])]]))
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end)
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end)
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describe('with leading/trailing whitespace characters on items', function()
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it('preserves whitespace, replacing linefeeds by NULs', function()
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eq('line \nline2\001\n\001line3',
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eval([[system('cat -', ['line ', "line2\n", "\nline3"])]]))
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end)
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end)
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end)
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describe("with a program that doesn't close stdout", function()
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if not xclip then
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pending('missing `xclip`', function() end)
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else
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it('will exit properly after passing input', function()
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eq('', eval([[system('xclip -i -selection clipboard', 'clip-data')]]))
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eq('clip-data', eval([[system('xclip -o -selection clipboard')]]))
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end)
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end
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end)
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end)
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if helpers.pending_win32(pending) then return end
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describe('systemlist()', function()
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-- Similar to `system()`, but returns List instead of String.
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before_each(clear)
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it('sets the v:shell_error variable', function()
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eval([[systemlist("sh -c 'exit'")]])
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eq(0, eval('v:shell_error'))
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eval([[systemlist("sh -c 'exit 1'")]])
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eq(1, eval('v:shell_error'))
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eval([[systemlist("sh -c 'exit 5'")]])
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eq(5, eval('v:shell_error'))
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eval([[systemlist('this-should-not-exist')]])
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eq(127, eval('v:shell_error'))
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end)
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describe('exectues shell function', function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new()
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screen:attach()
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end)
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after_each(function()
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screen:detach()
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end)
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it('`echo` and waits for its return', function()
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feed(':call systemlist("echo")<cr>')
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screen:expect([[
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:call systemlist("echo") |
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]])
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end)
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it('`yes` and is interrupted with CTRL-C', function()
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feed(':call systemlist("yes | xargs")<cr>')
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screen:expect([[
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:call systemlist("yes | xargs") |
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]])
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feed('<c-c>')
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screen:expect([[
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^ |
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Type :quit<Enter> to exit Nvim |
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]])
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end)
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end)
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describe('passing string with linefeed characters as input', function()
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it('splits the output on linefeed characters', function()
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eq({'abc', 'def', 'ghi'}, eval([[systemlist("cat -", "abc\ndef\nghi")]]))
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end)
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end)
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describe('passing a lot of input', function()
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it('returns the program output', function()
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local input = {}
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for _ = 1, 0xffff do
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input[#input + 1] = '01234567890ABCDEFabcdef'
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end
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nvim('set_var', 'input', input)
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eq(input, eval('systemlist("cat -", g:input)'))
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end)
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end)
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describe('with output containing NULs', function()
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local fname = 'Xtest'
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before_each(create_file_with_nuls(fname))
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after_each(delete_file(fname))
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it('replaces NULs by newline characters', function()
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eq({'part1\npart2\npart3'}, eval('systemlist("cat '..fname..'")'))
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end)
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end)
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describe('input passed as List', function()
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it('joins list items with linefeed characters', function()
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eq({'line1', 'line2', 'line3'},
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eval("systemlist('cat -', ['line1', 'line2', 'line3'])"))
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end)
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-- Unlike `system()` which uses SOH to represent NULs, with `systemlist()`
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-- input and ouput are the same.
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describe('with linefeed characters inside list items', function()
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it('converts linefeed characters to NULs', function()
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eq({'l1\np2', 'line2\na\nb', 'l3'},
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eval([[systemlist('cat -', ["l1\np2", "line2\na\nb", 'l3'])]]))
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end)
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end)
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describe('with leading/trailing whitespace characters on items', function()
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it('preserves whitespace, replacing linefeeds by NULs', function()
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eq({'line ', 'line2\n', '\nline3'},
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eval([[systemlist('cat -', ['line ', "line2\n", "\nline3"])]]))
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end)
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end)
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end)
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describe('handles empty lines', function()
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it('in the middle', function()
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eq({'line one','','line two'}, eval("systemlist('cat',['line one','','line two'])"))
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end)
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it('in the beginning', function()
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eq({'','line one','line two'}, eval("systemlist('cat',['','line one','line two'])"))
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end)
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end)
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describe('when keepempty option is', function()
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it('0, ignores trailing newline', function()
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eq({'aa','bb'}, eval("systemlist('cat',['aa','bb'],0)"))
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eq({'aa','bb'}, eval("systemlist('cat',['aa','bb',''],0)"))
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end)
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it('1, preserves trailing newline', function()
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eq({'aa','bb'}, eval("systemlist('cat',['aa','bb'],1)"))
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eq({'aa','bb',''}, eval("systemlist('cat',['aa','bb',''],2)"))
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end)
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end)
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describe("with a program that doesn't close stdout", function()
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if not xclip then
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pending('missing `xclip`', function() end)
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else
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it('will exit properly after passing input', function()
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eq({}, eval(
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"systemlist('xclip -i -selection clipboard', ['clip', 'data'])"))
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eq({'clip', 'data'}, eval(
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"systemlist('xclip -o -selection clipboard')"))
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end)
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end
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end)
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end)
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