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https://github.com/neovim/neovim.git
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156c25e498
- test: reduce verbosity, condense redundancy, improve readability
- auevents.lua: keep events sorted by name. ref afd1d412fa
347 lines
12 KiB
Lua
347 lines
12 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 dedent = helpers.dedent
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local eq = helpers.eq
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local eval = helpers.eval
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local feed = helpers.feed
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local clear = helpers.clear
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local meths = helpers.meths
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local pcall_err = helpers.pcall_err
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local funcs = helpers.funcs
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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 curbufmeths = helpers.curbufmeths
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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('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('autocmd WinClosed <buffer> :call add(g:evs, ["WinClosed", expand("<abuf>")])'
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-- Attempt recursion.
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..' | bdelete '..buf2)
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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('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',
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function()
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meths.set_option('hidden', true)
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curbufmeths.set_lines(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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command('autocmd BufLeave * bwipeout yy')
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eq('Vim(edit):E143: Autocommands unexpectedly deleted new buffer yy',
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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(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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funcs.execute('autocmd Tabnew'))
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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(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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funcs.execute('autocmd Tabnew'))
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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('autocmd CursorMoved <buffer> ++once ++nested setlocal binary|:call add(g:foo, "CursorMoved-Once")')
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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(dedent([[
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--- Autocommands ---]]),
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funcs.execute('autocmd Tabnew'))
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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] = {background = Screen.colors.LightMagenta, bold = true, foreground = Screen.colors.Blue1},
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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:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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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:~ }|
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{3:~ }|
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{3:~ }|
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{3:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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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:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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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('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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-- 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:~ }|
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{3:~ }|
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{3:~ }|
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{3:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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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:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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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('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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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{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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feed(':autocmd! SessionLoadPost<cr>')
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feed(':doautocmd SessionLoadPost<cr>')
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screen:expect{grid=[[
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^ |
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{1:~ }|
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:doautocmd SessionLoadPost |
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]]}
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end)
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end)
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