mirror of
https://github.com/neovim/neovim.git
synced 2024-12-26 14:11:15 -07:00
675 lines
20 KiB
Lua
675 lines
20 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local assert_visible = helpers.assert_visible
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local assert_alive = helpers.assert_alive
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local dedent = helpers.dedent
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local eq = helpers.eq
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local neq = helpers.neq
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local eval = helpers.eval
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local feed = helpers.feed
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local clear = helpers.clear
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local matches = helpers.matches
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local api = helpers.api
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local pcall_err = helpers.pcall_err
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local fn = helpers.fn
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local expect = helpers.expect
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local command = helpers.command
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local exc_exec = helpers.exc_exec
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local exec_lua = helpers.exec_lua
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local retry = helpers.retry
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local source = helpers.source
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describe('autocmd', function()
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before_each(clear)
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it(':tabnew, :split, :close events order, <afile>', function()
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local expected = {
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{ 'WinLeave', '' },
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{ 'TabLeave', '' },
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{ 'WinEnter', '' },
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{ 'TabNew', 'testfile1' }, -- :tabnew
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{ 'TabEnter', '' },
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{ 'BufLeave', '' },
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{ 'BufEnter', 'testfile1' }, -- :split
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{ 'WinLeave', 'testfile1' },
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{ 'WinEnter', 'testfile1' },
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{ 'WinLeave', 'testfile1' },
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{ 'WinClosed', '1002' }, -- :close, WinClosed <afile> = window-id
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{ 'WinEnter', 'testfile1' },
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{ 'WinLeave', 'testfile1' }, -- :bdelete
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{ 'WinEnter', 'testfile1' },
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{ 'BufLeave', 'testfile1' },
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{ 'BufEnter', 'testfile2' },
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{ 'WinClosed', '1000' },
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}
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command('let g:evs = []')
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command('autocmd BufEnter * :call add(g:evs, ["BufEnter", expand("<afile>")])')
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command('autocmd BufLeave * :call add(g:evs, ["BufLeave", expand("<afile>")])')
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command('autocmd TabEnter * :call add(g:evs, ["TabEnter", expand("<afile>")])')
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command('autocmd TabLeave * :call add(g:evs, ["TabLeave", expand("<afile>")])')
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command('autocmd TabNew * :call add(g:evs, ["TabNew", expand("<afile>")])')
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command('autocmd WinEnter * :call add(g:evs, ["WinEnter", expand("<afile>")])')
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command('autocmd WinLeave * :call add(g:evs, ["WinLeave", expand("<afile>")])')
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command('autocmd WinClosed * :call add(g:evs, ["WinClosed", expand("<afile>")])')
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command('tabnew testfile1')
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command('split')
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command('close')
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command('new testfile2')
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command('bdelete 1')
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eq(expected, eval('g:evs'))
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end)
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it('first edit causes BufUnload on NoName', function()
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local expected = {
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{ 'BufUnload', '' },
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{ 'BufDelete', '' },
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{ 'BufWipeout', '' },
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{ 'BufEnter', 'testfile1' },
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}
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command('let g:evs = []')
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command('autocmd BufEnter * :call add(g:evs, ["BufEnter", expand("<afile>")])')
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command('autocmd BufDelete * :call add(g:evs, ["BufDelete", expand("<afile>")])')
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command('autocmd BufLeave * :call add(g:evs, ["BufLeave", expand("<afile>")])')
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command('autocmd BufUnload * :call add(g:evs, ["BufUnload", expand("<afile>")])')
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command('autocmd BufWipeout * :call add(g:evs, ["BufWipeout", expand("<afile>")])')
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command('edit testfile1')
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eq(expected, eval('g:evs'))
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end)
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it('WinClosed is non-recursive', function()
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command('let g:triggered = 0')
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command('autocmd WinClosed * :let g:triggered+=1 | :bdelete 2')
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command('new testfile2')
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command('new testfile3')
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-- All 3 buffers are visible.
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assert_visible(1, true)
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assert_visible(2, true)
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assert_visible(3, true)
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-- Trigger WinClosed, which also deletes buffer/window 2.
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command('bdelete 1')
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-- Buffers 1 and 2 were closed but WinClosed was triggered only once.
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eq(1, eval('g:triggered'))
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assert_visible(1, false)
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assert_visible(2, false)
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assert_visible(3, true)
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end)
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it('WinClosed from a different tabpage', function()
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command('let g:evs = []')
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command('edit tesfile1')
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command('autocmd WinClosed <buffer> :call add(g:evs, ["WinClosed", expand("<abuf>")])')
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local buf1 = eval("bufnr('%')")
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command('new')
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local buf2 = eval("bufnr('%')")
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command(
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'autocmd WinClosed <buffer> :call add(g:evs, ["WinClosed", expand("<abuf>")])'
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-- Attempt recursion.
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.. ' | bdelete '
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.. buf2
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)
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command('tabedit testfile2')
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command('tabedit testfile3')
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command('bdelete ' .. buf2)
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-- Non-recursive: only triggered once.
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eq({
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{ 'WinClosed', '2' },
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}, eval('g:evs'))
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command('bdelete ' .. buf1)
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eq({
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{ 'WinClosed', '2' },
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{ 'WinClosed', '1' },
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}, eval('g:evs'))
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end)
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it('WinClosed from root directory', function()
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command('cd /')
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command('let g:evs = []')
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command('autocmd WinClosed * :call add(g:evs, ["WinClosed", expand("<afile>")])')
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command('new')
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command('close')
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eq({
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{ 'WinClosed', '1001' },
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}, eval('g:evs'))
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end)
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it('v:vim_did_enter is 1 after VimEnter', function()
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eq(1, eval('v:vim_did_enter'))
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end)
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describe('BufLeave autocommand', function()
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it('can wipe out the buffer created by :edit which triggered autocmd', function()
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api.nvim_set_option_value('hidden', true, {})
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api.nvim_buf_set_lines(0, 0, 1, false, {
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'start of test file xx',
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'end of test file xx',
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})
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command('autocmd BufLeave * bwipeout yy')
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eq('Vim(edit):E143: Autocommands unexpectedly deleted new buffer yy', exc_exec('edit yy'))
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expect([[
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start of test file xx
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end of test file xx]])
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end)
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end)
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it('++once', function() -- :help autocmd-once
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--
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-- ":autocmd ... ++once" executes its handler once, then removes the handler.
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--
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local expected = {
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'Many1',
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'Once1',
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'Once2',
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'Many2',
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'Once3',
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'Many1',
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'Many2',
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'Many1',
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'Many2',
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}
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command('let g:foo = []')
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command('autocmd TabNew * :call add(g:foo, "Many1")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once1")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once2")')
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command('autocmd TabNew * :call add(g:foo, "Many2")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once3")')
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eq(
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dedent([[
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--- Autocommands ---
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TabNew
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* :call add(g:foo, "Many1")
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:call add(g:foo, "Once1")
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:call add(g:foo, "Once2")
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:call add(g:foo, "Many2")
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:call add(g:foo, "Once3")]]),
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fn.execute('autocmd Tabnew')
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)
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command('tabnew')
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command('tabnew')
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command('tabnew')
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eq(expected, eval('g:foo'))
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eq(
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dedent([[
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--- Autocommands ---
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TabNew
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* :call add(g:foo, "Many1")
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:call add(g:foo, "Many2")]]),
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fn.execute('autocmd Tabnew')
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)
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--
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-- ":autocmd ... ++once" handlers can be deleted.
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--
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expected = {}
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command('let g:foo = []')
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command('autocmd TabNew * ++once :call add(g:foo, "Once1")')
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command('autocmd! TabNew')
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command('tabnew')
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eq(expected, eval('g:foo'))
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--
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-- ":autocmd ... <buffer> ++once ++nested"
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--
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expected = {
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'OptionSet-Once',
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'CursorMoved-Once',
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}
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command('let g:foo = []')
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command('autocmd OptionSet binary ++nested ++once :call add(g:foo, "OptionSet-Once")')
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command(
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'autocmd CursorMoved <buffer> ++once ++nested setlocal binary|:call add(g:foo, "CursorMoved-Once")'
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)
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command("put ='foo bar baz'")
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feed('0llhlh')
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eq(expected, eval('g:foo'))
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--
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-- :autocmd should not show empty section after ++once handlers expire.
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--
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expected = {
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'Once1',
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'Once2',
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}
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command('let g:foo = []')
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command('autocmd! TabNew') -- Clear all TabNew handlers.
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command('autocmd TabNew * ++once :call add(g:foo, "Once1")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once2")')
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command('tabnew')
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eq(expected, eval('g:foo'))
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eq(
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dedent([[
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--- Autocommands ---]]),
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fn.execute('autocmd Tabnew')
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)
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end)
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it('internal `aucmd_win` window', function()
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-- Nvim uses a special internal window `aucmd_win` to execute certain
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-- actions for an invisible buffer (:help E813).
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-- Check redrawing and API accesses to this window.
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local screen = Screen.new(50, 10)
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screen:attach()
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screen:set_default_attr_ids({
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[1] = { bold = true, foreground = Screen.colors.Blue1 },
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[2] = { background = Screen.colors.LightMagenta },
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[3] = {
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background = Screen.colors.LightMagenta,
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bold = true,
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foreground = Screen.colors.Blue1,
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},
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})
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source([[
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function! Doit()
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let g:winid = nvim_get_current_win()
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redraw!
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echo getchar()
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" API functions work when aucmd_win is in scope
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let g:had_value = has_key(w:, "testvar")
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call nvim_win_set_var(g:winid, "testvar", 7)
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let g:test = w:testvar
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endfunction
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set hidden
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" add dummy text to not discard the buffer
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call setline(1,"bb")
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autocmd User <buffer> call Doit()
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]])
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screen:expect([[
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^bb |
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{1:~ }|*8
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]])
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feed(':enew | doautoall User<cr>')
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screen:expect([[
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{2:bb }|
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{3:~ }|*4
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{1:~ }|*4
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^:enew | doautoall User |
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]])
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feed('<cr>')
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screen:expect([[
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^ |
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{1:~ }|*8
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13 |
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]])
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eq(7, eval('g:test'))
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-- API calls are blocked when aucmd_win is not in scope
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eq(
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'Vim(call):E5555: API call: Invalid window id: 1001',
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pcall_err(command, 'call nvim_set_current_win(g:winid)')
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)
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-- second time aucmd_win is needed, a different code path is invoked
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-- to reuse the same window, so check again
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command('let g:test = v:null')
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command('let g:had_value = v:null')
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feed(':doautoall User<cr>')
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screen:expect([[
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{2:bb }|
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{3:~ }|*4
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{1:~ }|*4
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^:doautoall User |
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]])
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feed('<cr>')
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screen:expect([[
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^ |
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{1:~ }|*8
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13 |
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]])
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-- win vars in aucmd_win should have been reset
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eq(0, eval('g:had_value'))
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eq(7, eval('g:test'))
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eq(
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'Vim(call):E5555: API call: Invalid window id: 1001',
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pcall_err(command, 'call nvim_set_current_win(g:winid)')
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)
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end)
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it('`aucmd_win` cannot be changed into a normal window #13699', function()
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local screen = Screen.new(50, 10)
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screen:attach()
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screen:set_default_attr_ids {
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[1] = { bold = true, foreground = Screen.colors.Blue1 },
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[2] = { reverse = true },
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[3] = { bold = true, reverse = true },
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}
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-- Create specific layout and ensure it's left unchanged.
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-- Use nvim_buf_call on a hidden buffer so aucmd_win is used.
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exec_lua [[
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vim.cmd "wincmd s | wincmd _"
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_G.buf = vim.api.nvim_create_buf(true, true)
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vim.api.nvim_buf_call(_G.buf, function() vim.cmd "wincmd J" end)
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]]
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screen:expect [[
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^ |
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{1:~ }|*5
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{3:[No Name] }|
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{2:[No Name] }|
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]]
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-- This used to crash after making aucmd_win a normal window via the above.
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exec_lua [[
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vim.cmd "tabnew | tabclose # | wincmd s | wincmd _"
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vim.api.nvim_buf_call(_G.buf, function() vim.cmd "wincmd K" end)
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]]
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assert_alive()
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screen:expect_unchanged()
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-- Ensure splitting still works from inside the aucmd_win.
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exec_lua [[vim.api.nvim_buf_call(_G.buf, function() vim.cmd "split" end)]]
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screen:expect [[
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^ |
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{1:~ }|
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{3:[No Name] }|
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{1:~ }|
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{2:[Scratch] }|
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{1:~ }|
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{2:[No Name] }|
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]]
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-- After all of our messing around, aucmd_win should still be floating.
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-- Use :only to ensure _G.buf is hidden again (so the aucmd_win is used).
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eq(
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'editor',
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exec_lua [[
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vim.cmd "only"
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vim.api.nvim_buf_call(_G.buf, function()
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_G.config = vim.api.nvim_win_get_config(0)
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end)
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return _G.config.relative
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]]
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)
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end)
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describe('closing last non-floating window in tab from `aucmd_win`', function()
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before_each(function()
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command('edit Xa.txt')
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command('tabnew Xb.txt')
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command('autocmd BufAdd Xa.txt 1close')
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end)
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it('gives E814 when there are no other floating windows', function()
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eq(
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'BufAdd Autocommands for "Xa.txt": Vim(close):E814: Cannot close window, only autocmd window would remain',
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pcall_err(command, 'doautoall BufAdd')
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)
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end)
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it('gives E814 when there are other floating windows', function()
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api.nvim_open_win(
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0,
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true,
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{ width = 10, height = 10, relative = 'editor', row = 10, col = 10 }
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)
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eq(
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'BufAdd Autocommands for "Xa.txt": Vim(close):E814: Cannot close window, only autocmd window would remain',
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pcall_err(command, 'doautoall BufAdd')
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)
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end)
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end)
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it('closing `aucmd_win` using API gives E813', function()
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exec_lua([[
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vim.cmd('tabnew')
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_G.buf = vim.api.nvim_create_buf(true, true)
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]])
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matches(
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'Vim:E813: Cannot close autocmd window$',
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pcall_err(
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exec_lua,
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[[
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vim.api.nvim_buf_call(_G.buf, function()
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local win = vim.api.nvim_get_current_win()
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vim.api.nvim_win_close(win, true)
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end)
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]]
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)
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)
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matches(
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'Vim:E813: Cannot close autocmd window$',
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pcall_err(
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exec_lua,
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[[
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vim.api.nvim_buf_call(_G.buf, function()
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local win = vim.api.nvim_get_current_win()
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vim.cmd('tabnext')
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vim.api.nvim_win_close(win, true)
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end)
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]]
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)
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)
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matches(
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'Vim:E813: Cannot close autocmd window$',
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pcall_err(
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exec_lua,
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[[
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vim.api.nvim_buf_call(_G.buf, function()
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local win = vim.api.nvim_get_current_win()
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vim.api.nvim_win_hide(win)
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end)
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]]
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)
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)
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matches(
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'Vim:E813: Cannot close autocmd window$',
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pcall_err(
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exec_lua,
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[[
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vim.api.nvim_buf_call(_G.buf, function()
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local win = vim.api.nvim_get_current_win()
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vim.cmd('tabnext')
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vim.api.nvim_win_hide(win)
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end)
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]]
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)
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)
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end)
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it(':doautocmd does not warn "No matching autocommands" #10689', function()
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local screen = Screen.new(32, 3)
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screen:attach()
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screen:set_default_attr_ids({
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[1] = { bold = true, foreground = Screen.colors.Blue1 },
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})
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feed(':doautocmd User Foo<cr>')
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screen:expect {
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grid = [[
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^ |
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{1:~ }|
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:doautocmd User Foo |
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]],
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}
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feed(':autocmd! SessionLoadPost<cr>')
|
|
feed(':doautocmd SessionLoadPost<cr>')
|
|
screen:expect {
|
|
grid = [[
|
|
^ |
|
|
{1:~ }|
|
|
:doautocmd SessionLoadPost |
|
|
]],
|
|
}
|
|
end)
|
|
|
|
describe('v:event is readonly #18063', function()
|
|
it('during ChanOpen event', function()
|
|
command('autocmd ChanOpen * let v:event.info.id = 0')
|
|
fn.jobstart({ 'cat' })
|
|
retry(nil, nil, function()
|
|
eq('E46: Cannot change read-only variable "v:event.info"', api.nvim_get_vvar('errmsg'))
|
|
end)
|
|
end)
|
|
|
|
it('during ChanOpen event', function()
|
|
command('autocmd ChanInfo * let v:event.info.id = 0')
|
|
api.nvim_set_client_info('foo', {}, 'remote', {}, {})
|
|
retry(nil, nil, function()
|
|
eq('E46: Cannot change read-only variable "v:event.info"', api.nvim_get_vvar('errmsg'))
|
|
end)
|
|
end)
|
|
|
|
it('during RecordingLeave event', function()
|
|
command([[autocmd RecordingLeave * let v:event.regname = '']])
|
|
eq(
|
|
'RecordingLeave Autocommands for "*": Vim(let):E46: Cannot change read-only variable "v:event.regname"',
|
|
pcall_err(command, 'normal! qqq')
|
|
)
|
|
end)
|
|
|
|
it('during TermClose event', function()
|
|
command('autocmd TermClose * let v:event.status = 0')
|
|
command('terminal')
|
|
eq(
|
|
'TermClose Autocommands for "*": Vim(let):E46: Cannot change read-only variable "v:event.status"',
|
|
pcall_err(command, 'bdelete!')
|
|
)
|
|
end)
|
|
end)
|
|
|
|
describe('old_tests', function()
|
|
it('vimscript: WinNew ++once', function()
|
|
source [[
|
|
" Without ++once WinNew triggers twice
|
|
let g:did_split = 0
|
|
augroup Testing
|
|
au!
|
|
au WinNew * let g:did_split += 1
|
|
augroup END
|
|
split
|
|
split
|
|
call assert_equal(2, g:did_split)
|
|
call assert_true(exists('#WinNew'))
|
|
close
|
|
close
|
|
|
|
" With ++once WinNew triggers once
|
|
let g:did_split = 0
|
|
augroup Testing
|
|
au!
|
|
au WinNew * ++once let g:did_split += 1
|
|
augroup END
|
|
split
|
|
split
|
|
call assert_equal(1, g:did_split)
|
|
call assert_false(exists('#WinNew'))
|
|
close
|
|
close
|
|
|
|
call assert_fails('au WinNew * ++once ++once echo bad', 'E983:')
|
|
]]
|
|
|
|
api.nvim_set_var('did_split', 0)
|
|
|
|
source [[
|
|
augroup Testing
|
|
au!
|
|
au WinNew * let g:did_split += 1
|
|
augroup END
|
|
|
|
split
|
|
split
|
|
]]
|
|
|
|
eq(2, api.nvim_get_var('did_split'))
|
|
eq(1, fn.exists('#WinNew'))
|
|
|
|
-- Now with once
|
|
api.nvim_set_var('did_split', 0)
|
|
|
|
source [[
|
|
augroup Testing
|
|
au!
|
|
au WinNew * ++once let g:did_split += 1
|
|
augroup END
|
|
|
|
split
|
|
split
|
|
]]
|
|
|
|
eq(1, api.nvim_get_var('did_split'))
|
|
eq(0, fn.exists('#WinNew'))
|
|
|
|
-- call assert_fails('au WinNew * ++once ++once echo bad', 'E983:')
|
|
local ok, msg = pcall(
|
|
source,
|
|
[[
|
|
au WinNew * ++once ++once echo bad
|
|
]]
|
|
)
|
|
|
|
eq(false, ok)
|
|
eq(true, not not string.find(msg, 'E983:'))
|
|
end)
|
|
|
|
it('should have autocmds in filetypedetect group', function()
|
|
source [[filetype on]]
|
|
neq({}, api.nvim_get_autocmds { group = 'filetypedetect' })
|
|
end)
|
|
|
|
it('should allow comma-separated patterns', function()
|
|
source [[
|
|
augroup TestingPatterns
|
|
au!
|
|
autocmd BufReadCmd *.shada,*.shada.tmp.[a-z] echo 'hello'
|
|
autocmd BufReadCmd *.shada,*.shada.tmp.[a-z] echo 'hello'
|
|
augroup END
|
|
]]
|
|
|
|
eq(4, #api.nvim_get_autocmds { event = 'BufReadCmd', group = 'TestingPatterns' })
|
|
end)
|
|
end)
|
|
|
|
it('no use-after-free when adding autocommands from a callback', function()
|
|
exec_lua [[
|
|
vim.cmd "autocmd! TabNew"
|
|
vim.g.count = 0
|
|
vim.api.nvim_create_autocmd('TabNew', {
|
|
callback = function()
|
|
vim.g.count = vim.g.count + 1
|
|
for _ = 1, 100 do
|
|
vim.cmd "autocmd TabNew * let g:count += 1"
|
|
end
|
|
return true
|
|
end,
|
|
})
|
|
vim.cmd "tabnew"
|
|
]]
|
|
eq(1, eval('g:count')) -- Added autocommands should not be executed
|
|
end)
|
|
|
|
it('no crash when clearing a group inside a callback #23355', function()
|
|
exec_lua [[
|
|
vim.cmd "autocmd! TabNew"
|
|
local group = vim.api.nvim_create_augroup('Test', {})
|
|
local id
|
|
id = vim.api.nvim_create_autocmd('TabNew', {
|
|
group = group,
|
|
callback = function()
|
|
vim.api.nvim_del_autocmd(id)
|
|
vim.api.nvim_create_augroup('Test', { clear = true })
|
|
end,
|
|
})
|
|
vim.cmd "tabnew"
|
|
]]
|
|
end)
|
|
end)
|