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https://github.com/neovim/neovim.git
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380 lines
12 KiB
Lua
380 lines
12 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local eq, eval, clear, write_file, source, insert =
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t.eq, n.eval, n.clear, t.write_file, n.source, n.insert
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local pcall_err = t.pcall_err
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local command = n.command
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local feed_command = n.feed_command
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local fn = n.fn
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local api = n.api
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local skip = t.skip
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local is_os = t.is_os
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local is_ci = t.is_ci
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local read_file = t.read_file
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local fname = 'Xtest-functional-ex_cmds-write'
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local fname_bak = fname .. '~'
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local fname_broken = fname_bak .. 'broken'
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describe(':write', function()
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local function cleanup()
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n.rmdir('Xtest_write')
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os.remove('Xtest_bkc_file.txt')
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os.remove('Xtest_bkc_link.txt')
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os.remove('Xtest_fifo')
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os.remove(fname)
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os.remove(fname_bak)
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os.remove(fname_broken)
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end
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before_each(function()
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clear()
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cleanup()
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end)
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after_each(function()
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cleanup()
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end)
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it('&backupcopy=auto preserves symlinks', function()
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command('set backupcopy=auto')
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write_file('Xtest_bkc_file.txt', 'content0')
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if is_os('win') then
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command('silent !mklink Xtest_bkc_link.txt Xtest_bkc_file.txt')
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else
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command('silent !ln -s Xtest_bkc_file.txt Xtest_bkc_link.txt')
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end
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if eval('v:shell_error') ~= 0 then
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pending('Cannot create symlink')
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end
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source([[
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edit Xtest_bkc_link.txt
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call setline(1, ['content1'])
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write
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]])
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eq(eval("['content1']"), eval("readfile('Xtest_bkc_file.txt')"))
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eq(eval("['content1']"), eval("readfile('Xtest_bkc_link.txt')"))
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end)
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it('&backupcopy=no replaces symlink with new file', function()
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skip(is_ci('cirrus'))
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command('set backupcopy=no')
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write_file('Xtest_bkc_file.txt', 'content0')
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if is_os('win') then
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command('silent !mklink Xtest_bkc_link.txt Xtest_bkc_file.txt')
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else
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command('silent !ln -s Xtest_bkc_file.txt Xtest_bkc_link.txt')
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end
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if eval('v:shell_error') ~= 0 then
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pending('Cannot create symlink')
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end
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source([[
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edit Xtest_bkc_link.txt
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call setline(1, ['content1'])
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write
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]])
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eq(eval("['content0']"), eval("readfile('Xtest_bkc_file.txt')"))
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eq(eval("['content1']"), eval("readfile('Xtest_bkc_link.txt')"))
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end)
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it('appends FIFO file', function()
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-- mkfifo creates read-only .lnk files on Windows
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if is_os('win') or eval("executable('mkfifo')") == 0 then
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pending('missing "mkfifo" command')
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end
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local text = 'some fifo text from write_spec'
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assert(os.execute('mkfifo Xtest_fifo'))
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insert(text)
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-- Blocks until a consumer reads the FIFO.
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feed_command('write >> Xtest_fifo')
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-- Read the FIFO, this will unblock the :write above.
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local fifo = assert(io.open('Xtest_fifo'))
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eq(text .. '\n', fifo:read('*all'))
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fifo:close()
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end)
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it('++p creates missing parent directories', function()
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eq(0, eval("filereadable('p_opt.txt')"))
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command('write ++p p_opt.txt')
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eq(1, eval("filereadable('p_opt.txt')"))
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os.remove('p_opt.txt')
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eq(0, eval("filereadable('p_opt.txt')"))
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command('write ++p ./p_opt.txt')
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eq(1, eval("filereadable('p_opt.txt')"))
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os.remove('p_opt.txt')
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eq(0, eval("filereadable('Xtest_write/write/p_opt.txt')"))
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command('write ++p Xtest_write/write/p_opt.txt')
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eq(1, eval("filereadable('Xtest_write/write/p_opt.txt')"))
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eq(0, eval("filereadable('Xtest_write/write2/p_opt.txt')"))
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eq(0, eval("filereadable('Xtest_write/write2/p_opt2.txt')"))
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eq(0, eval("filereadable('Xtest_write/write3/p_opt3.txt')"))
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command('file Xtest_write/write2/p_opt.txt')
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command('set modified')
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command('sp Xtest_write/write2/p_opt2.txt')
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command('set modified')
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command('sp Xtest_write/write3/p_opt3.txt')
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-- don't set p_opt3.txt modified - assert it isn't written
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-- and that write3/ isn't created
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command('wall ++p')
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eq(1, eval("filereadable('Xtest_write/write2/p_opt.txt')"))
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eq(1, eval("filereadable('Xtest_write/write2/p_opt2.txt')"))
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eq(0, eval("filereadable('Xtest_write/write3/p_opt3.txt')"))
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eq('Vim(write):E32: No file name', pcall_err(command, 'write ++p Xotherdir/'))
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if not is_os('win') then
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eq(
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('Vim(write):E17: "' .. fn.fnamemodify('.', ':p:h') .. '" is a directory'),
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pcall_err(command, 'write ++p .')
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)
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eq(
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('Vim(write):E17: "' .. fn.fnamemodify('.', ':p:h') .. '" is a directory'),
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pcall_err(command, 'write ++p ./')
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)
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end
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end)
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it('errors out correctly', function()
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skip(is_ci('cirrus'))
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command('let $HOME=""')
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eq(fn.fnamemodify('.', ':p:h'), fn.fnamemodify('.', ':p:h:~'))
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-- Message from check_overwrite
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if not is_os('win') then
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eq(
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('Vim(write):E17: "' .. fn.fnamemodify('.', ':p:h') .. '" is a directory'),
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pcall_err(command, 'write .')
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)
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end
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api.nvim_set_option_value('writeany', true, {})
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-- Message from buf_write
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eq('Vim(write):E502: "." is a directory', pcall_err(command, 'write .'))
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fn.mkdir(fname_bak)
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api.nvim_set_option_value('backupdir', '.', {})
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api.nvim_set_option_value('backup', true, {})
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write_file(fname, 'content0')
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command('edit ' .. fname)
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fn.setline(1, 'TTY')
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eq("Vim(write):E510: Can't make backup file (add ! to override)", pcall_err(command, 'write'))
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api.nvim_set_option_value('backup', false, {})
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fn.setfperm(fname, 'r--------')
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eq(
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'Vim(write):E505: "Xtest-functional-ex_cmds-write" is read-only (add ! to override)',
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pcall_err(command, 'write')
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)
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if is_os('win') then
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eq(0, os.execute('del /q/f ' .. fname))
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eq(0, os.execute('rd /q/s ' .. fname_bak))
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else
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eq(true, os.remove(fname))
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eq(true, os.remove(fname_bak))
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end
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write_file(fname_bak, 'TTYX')
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skip(is_os('win'), [[FIXME: exc_exec('write!') outputs 0 in Windows]])
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vim.uv.fs_symlink(fname_bak .. ('/xxxxx'):rep(20), fname)
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eq("Vim(write):E166: Can't open linked file for writing", pcall_err(command, 'write!'))
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end)
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it('fails converting a trailing incomplete sequence', function()
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-- From https://github.com/neovim/neovim/issues/36990, an invalid UTF-8 sequence at the end of
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-- the file during conversion testing can overwrite the rest of the file during the real
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-- conversion.
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api.nvim_buf_set_lines(0, 0, 1, true, { 'line 1', 'line 2', 'aaabbb\235\128' })
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command('set noendofline nofixendofline')
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eq(
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"Vim(write):E513: Write error, conversion failed in line 3 (make 'fenc' empty to override)",
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pcall_err(command, 'write ++enc=latin1 ' .. fname)
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)
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end)
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it('converts to latin1 with an invalid sequence at buffer boundary', function()
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-- From https://github.com/neovim/neovim/issues/36990, an invalid UTF-8 sequence that falls
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-- right at the end of the 8 KiB buffer used for encoding conversions causes subsequent data to
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-- be overwritten.
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local content = string.rep('a', 1024 * 8 - 1) .. '\251' .. string.rep('b', 20)
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api.nvim_buf_set_lines(0, 0, 1, true, { content })
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command('set noendofline nofixendofline fenc=latin1')
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command('write ' .. fname)
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local tail = string.sub(read_file(fname) or '', -10)
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eq('bbbbbbbbbb', tail)
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end)
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it('converts to CP1251 with iconv', function()
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api.nvim_buf_set_lines(
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0,
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0,
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1,
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true,
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{ 'Привет, мир!', 'Это простой тест.' }
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)
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command('write ++enc=cp1251 ++ff=unix ' .. fname)
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eq(
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'\207\240\232\226\229\242, \236\232\240!\n'
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.. '\221\242\238 \239\240\238\241\242\238\233 \242\229\241\242.\n',
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read_file(fname)
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)
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end)
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it('converts to GB18030 with iconv', function()
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api.nvim_buf_set_lines(0, 0, 1, true, { '你好，世界！', '这是一个测试。' })
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command('write ++enc=gb18030 ++ff=unix ' .. fname)
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eq(
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'\196\227\186\195\163\172\202\192\189\231\163\161\n'
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.. '\213\226\202\199\210\187\184\246\178\226\202\212\161\163\n',
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read_file(fname)
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)
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end)
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it('converts to Shift_JIS with iconv', function()
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api.nvim_buf_set_lines(
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0,
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0,
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1,
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true,
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{ 'こんにちは、世界！', 'これはテストです。' }
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)
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command('write ++enc=sjis ++ff=unix ' .. fname)
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eq(
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'\130\177\130\241\130\201\130\191\130\205\129A\144\162\138E\129I\n'
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.. '\130\177\130\234\130\205\131e\131X\131g\130\197\130\183\129B\n',
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read_file(fname)
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)
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end)
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it('fails converting an illegal sequence with iconv', function()
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api.nvim_buf_set_lines(0, 0, 1, true, { 'line 1', 'aaa\128bbb' })
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eq(
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"Vim(write):E513: Write error, conversion failed (make 'fenc' empty to override)",
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pcall_err(command, 'write ++enc=cp1251 ' .. fname)
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)
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end)
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it('handles a multi-byte sequence crossing the buffer boundary converting with iconv', function()
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local content = string.rep('a', 1024 * 8 - 1) .. 'Дbbbbb'
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api.nvim_buf_set_lines(0, 0, 1, true, { content })
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-- Skip the backup so we're testing the "checking" phase also.
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command('set nowritebackup')
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command('write ++enc=cp1251 ++ff=unix ' .. fname)
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local expected = string.rep('a', 1024 * 8 - 1) .. '\196bbbbb\n'
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eq(expected, read_file(fname))
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end)
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end)
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describe(':update', function()
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before_each(function()
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clear()
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fn.mkdir('Xtest_update', 'p')
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end)
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after_each(function()
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fn.delete('Xtest_update', 'rf')
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end)
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it('works for a new buffer', function()
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command('edit Xtest_update/foo/bar/nonexist.taz | update ++p')
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eq(1, eval("filereadable('Xtest_update/foo/bar/nonexist.taz')"))
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end)
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it('writes modified buffer', function()
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command('edit Xtest_update/modified.txt')
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command('call setline(1, "hello world")')
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command('update')
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eq({ 'hello world' }, fn.readfile('Xtest_update/modified.txt'))
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end)
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it('does not write unmodified existing file', function()
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local filename = 'Xtest_update/existing.txt'
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local fd = io.open(filename, 'w')
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fd:write('content')
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fd:close()
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local mtime_before = fn.getftime(filename)
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command('edit ' .. filename)
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command('update')
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eq(mtime_before, fn.getftime(filename))
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end)
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it('creates parent directories with ++p', function()
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command('edit Xtest_update/deep/nested/path/file.txt')
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command('call setline(1, "content")')
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command('update ++p')
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eq(1, eval("filereadable('Xtest_update/deep/nested/path/file.txt')"))
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end)
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it('fails gracefully for unnamed buffer', function()
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command('enew')
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command('call setline(1, "some content")')
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eq('Vim(update):E32: No file name', pcall_err(command, 'update'))
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end)
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it('respects readonly files', function()
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local filename = 'Xtest_update/readonly.txt'
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local fd = io.open(filename, 'w')
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fd:write('readonly content')
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fd:close()
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command('edit ' .. filename)
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command('set readonly')
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command('call setline(1, "modified")')
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eq(
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"Vim(update):E45: 'readonly' option is set (add ! to override)",
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pcall_err(command, 'update')
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)
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command('update!')
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eq({ 'modified' }, fn.readfile('Xtest_update/readonly.txt'))
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end)
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it('can write line ranges', function()
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command('edit Xtest_update/range.txt')
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command('call setline(1, ["line1", "line2", "line3", "line4"])')
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command('2,3update!')
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eq({ 'line2', 'line3' }, fn.readfile('Xtest_update/range.txt'))
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end)
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it('can append to existing file', function()
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local filename = 'Xtest_update/append.txt'
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local fd = io.open(filename, 'w')
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fd:write('existing\n')
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fd:close()
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command('edit Xtest_update/new_content.txt')
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command('call setline(1, "new content")')
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command('update >> ' .. filename)
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eq({ 'existing', 'new content' }, fn.readfile('Xtest_update/append.txt'))
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end)
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it('triggers autocmds properly', function()
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command('autocmd BufWritePre * let g:write_pre = 1')
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command('autocmd BufWritePost * let g:write_post = 1')
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command('edit Xtest_update/autocmd.txt')
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command('call setline(1, "trigger autocmds")')
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command('update')
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eq(1, eval('g:write_pre'))
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eq(1, eval('g:write_post'))
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end)
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it('does not write acwrite buffer when unchanged', function()
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command('file remote://test')
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command('setlocal buftype=acwrite')
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command('let g:triggered = 0 | autocmd BufWriteCmd remote://* let g:triggered = 1')
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command('update')
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eq(0, eval('g:triggered'))
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command('call setline(1, ["hello"])')
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command('update')
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eq(1, eval('g:triggered'))
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end)
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end)
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