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neovim/test/functional/api/window_spec.lua
bfredl fc1f84c4c5 test(api): migrate screenchar() test in in window API to screen test 
This produces actual output in case of regressions.
2022-10-05 11:32:13 +02:00

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local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear, nvim, curbuf, curbuf_contents, window, curwin, eq, neq,
ok, feed, insert, eval, tabpage = helpers.clear, helpers.nvim, helpers.curbuf,
helpers.curbuf_contents, helpers.window, helpers.curwin, helpers.eq,
helpers.neq, helpers.ok, helpers.feed, helpers.insert, helpers.eval,
helpers.tabpage
local poke_eventloop = helpers.poke_eventloop
local curwinmeths = helpers.curwinmeths
local funcs = helpers.funcs
local request = helpers.request
local NIL = helpers.NIL
local meths = helpers.meths
local command = helpers.command
local pcall_err = helpers.pcall_err
local assert_alive = helpers.assert_alive
describe('API/win', function()
before_each(clear)
describe('get_buf', function()
it('works', function()
eq(curbuf(), window('get_buf', nvim('list_wins')[1]))
nvim('command', 'new')
nvim('set_current_win', nvim('list_wins')[2])
eq(curbuf(), window('get_buf', nvim('list_wins')[2]))
neq(window('get_buf', nvim('list_wins')[1]),
window('get_buf', nvim('list_wins')[2]))
end)
end)
describe('set_buf', function()
it('works', function()
nvim('command', 'new')
local windows = nvim('list_wins')
neq(window('get_buf', windows[2]), window('get_buf', windows[1]))
window('set_buf', windows[2], window('get_buf', windows[1]))
eq(window('get_buf', windows[2]), window('get_buf', windows[1]))
end)
it('validates args', function()
eq('Invalid buffer id: 23', pcall_err(window, 'set_buf', nvim('get_current_win'), 23))
eq('Invalid window id: 23', pcall_err(window, 'set_buf', 23, nvim('get_current_buf')))
end)
end)
describe('{get,set}_cursor', function()
it('works', function()
eq({1, 0}, curwin('get_cursor'))
nvim('command', 'normal ityping\027o some text')
eq('typing\n some text', curbuf_contents())
eq({2, 10}, curwin('get_cursor'))
curwin('set_cursor', {2, 6})
nvim('command', 'normal i dumb')
eq('typing\n some dumb text', curbuf_contents())
end)
it('does not leak memory when using invalid window ID with invalid pos', function()
eq('Invalid window id: 1', pcall_err(meths.win_set_cursor, 1, {"b\na"}))
end)
it('updates the screen, and also when the window is unfocused', function()
local screen = Screen.new(30, 9)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue},
[2] = {bold = true, reverse = true};
[3] = {reverse = true};
})
screen:attach()
insert("prologue")
feed('100o<esc>')
insert("epilogue")
local win = curwin()
feed('gg')
screen:expect{grid=[[
^prologue |
|
|
|
|
|
|
|
|
]]}
-- cursor position is at beginning
eq({1, 0}, window('get_cursor', win))
-- move cursor to end
window('set_cursor', win, {101, 0})
screen:expect{grid=[[
|
|
|
|
|
|
|
^epilogue |
|
]]}
-- move cursor to the beginning again
window('set_cursor', win, {1, 0})
screen:expect{grid=[[
^prologue |
|
|
|
|
|
|
|
|
]]}
-- move focus to new window
nvim('command',"new")
neq(win, curwin())
-- sanity check, cursor position is kept
eq({1, 0}, window('get_cursor', win))
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{2:[No Name] }|
prologue |
|
|
{3:[No Name] [+] }|
|
]]}
-- move cursor to end
window('set_cursor', win, {101, 0})
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{2:[No Name] }|
|
|
epilogue |
{3:[No Name] [+] }|
|
]]}
-- move cursor to the beginning again
window('set_cursor', win, {1, 0})
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{2:[No Name] }|
prologue |
|
|
{3:[No Name] [+] }|
|
]]}
-- curwin didn't change back
neq(win, curwin())
end)
it('remembers what column it wants to be in', function()
insert("first line")
feed('o<esc>')
insert("second line")
feed('gg')
poke_eventloop() -- let nvim process the 'gg' command
-- cursor position is at beginning
local win = curwin()
eq({1, 0}, window('get_cursor', win))
-- move cursor to column 5
window('set_cursor', win, {1, 5})
-- move down a line
feed('j')
poke_eventloop() -- let nvim process the 'j' command
-- cursor is still in column 5
eq({2, 5}, window('get_cursor', win))
end)
it('updates cursorline and statusline ruler in non-current window', function()
local screen = Screen.new(60, 8)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue}, -- NonText
[2] = {background = Screen.colors.Grey90}, -- CursorLine
[3] = {bold = true, reverse = true}, -- StatusLine
[4] = {reverse = true}, -- StatusLineNC
})
screen:attach()
command('set ruler')
command('set cursorline')
insert([[
aaa
bbb
ccc
ddd]])
local oldwin = curwin()
command('vsplit')
screen:expect([[
aaa │aaa |
bbb │bbb |
ccc │ccc |
{2:dd^d }│{2:ddd }|
{1:~ }│{1:~ }|
{1:~ }│{1:~ }|
{3:[No Name] [+] 4,3 All }{4:[No Name] [+] 4,3 All}|
|
]])
window('set_cursor', oldwin, {1, 0})
screen:expect([[
aaa │{2:aaa }|
bbb │bbb |
ccc │ccc |
{2:dd^d }│ddd |
{1:~ }│{1:~ }|
{1:~ }│{1:~ }|
{3:[No Name] [+] 4,3 All }{4:[No Name] [+] 1,1 All}|
|
]])
end)
end)
describe('{get,set}_height', function()
it('works', function()
nvim('command', 'vsplit')
eq(window('get_height', nvim('list_wins')[2]),
window('get_height', nvim('list_wins')[1]))
nvim('set_current_win', nvim('list_wins')[2])
nvim('command', 'split')
eq(window('get_height', nvim('list_wins')[2]),
math.floor(window('get_height', nvim('list_wins')[1]) / 2))
window('set_height', nvim('list_wins')[2], 2)
eq(2, window('get_height', nvim('list_wins')[2]))
end)
end)
describe('{get,set}_width', function()
it('works', function()
nvim('command', 'split')
eq(window('get_width', nvim('list_wins')[2]),
window('get_width', nvim('list_wins')[1]))
nvim('set_current_win', nvim('list_wins')[2])
nvim('command', 'vsplit')
eq(window('get_width', nvim('list_wins')[2]),
math.floor(window('get_width', nvim('list_wins')[1]) / 2))
window('set_width', nvim('list_wins')[2], 2)
eq(2, window('get_width', nvim('list_wins')[2]))
end)
end)
describe('{get,set,del}_var', function()
it('works', function()
curwin('set_var', 'lua', {1, 2, {['3'] = 1}})
eq({1, 2, {['3'] = 1}}, curwin('get_var', 'lua'))
eq({1, 2, {['3'] = 1}}, nvim('eval', 'w:lua'))
eq(1, funcs.exists('w:lua'))
curwinmeths.del_var('lua')
eq(0, funcs.exists('w:lua'))
eq('Key not found: lua', pcall_err(curwinmeths.del_var, 'lua'))
curwinmeths.set_var('lua', 1)
command('lockvar w:lua')
eq('Key is locked: lua', pcall_err(curwinmeths.del_var, 'lua'))
eq('Key is locked: lua', pcall_err(curwinmeths.set_var, 'lua', 1))
end)
it('window_set_var returns the old value', function()
local val1 = {1, 2, {['3'] = 1}}
local val2 = {4, 7}
eq(NIL, request('window_set_var', 0, 'lua', val1))
eq(val1, request('window_set_var', 0, 'lua', val2))
end)
it('window_del_var returns the old value', function()
local val1 = {1, 2, {['3'] = 1}}
local val2 = {4, 7}
eq(NIL, request('window_set_var', 0, 'lua', val1))
eq(val1, request('window_set_var', 0, 'lua', val2))
eq(val2, request('window_del_var', 0, 'lua'))
end)
end)
describe('nvim_win_get_option, nvim_win_set_option', function()
it('works', function()
curwin('set_option', 'colorcolumn', '4,3')
eq('4,3', curwin('get_option', 'colorcolumn'))
command("set modified hidden")
command("enew") -- edit new buffer, window option is preserved
eq('4,3', curwin('get_option', 'colorcolumn'))
-- global-local option
curwin('set_option', 'statusline', 'window-status')
eq('window-status', curwin('get_option', 'statusline'))
eq('', nvim('get_option', 'statusline'))
command("set modified")
command("enew") -- global-local: not preserved in new buffer
-- confirm local value was not copied
eq('', curwin('get_option', 'statusline'))
eq('', eval('&l:statusline'))
end)
it('after switching windows #15390', function()
nvim('command', 'tabnew')
local tab1 = unpack(nvim('list_tabpages'))
local win1 = unpack(tabpage('list_wins', tab1))
window('set_option', win1, 'statusline', 'window-status')
nvim('command', 'split')
nvim('command', 'wincmd J')
nvim('command', 'wincmd j')
eq('window-status', window('get_option', win1, 'statusline'))
assert_alive()
end)
it('returns values for unset local options', function()
eq(-1, curwin('get_option', 'scrolloff'))
end)
end)
describe('get_position', function()
it('works', function()
local height = window('get_height', nvim('list_wins')[1])
local width = window('get_width', nvim('list_wins')[1])
nvim('command', 'split')
nvim('command', 'vsplit')
eq({0, 0}, window('get_position', nvim('list_wins')[1]))
local vsplit_pos = math.floor(width / 2)
local split_pos = math.floor(height / 2)
local win2row, win2col =
unpack(window('get_position', nvim('list_wins')[2]))
local win3row, win3col =
unpack(window('get_position', nvim('list_wins')[3]))
eq(0, win2row)
eq(0, win3col)
ok(vsplit_pos - 1 <= win2col and win2col <= vsplit_pos + 1)
ok(split_pos - 1 <= win3row and win3row <= split_pos + 1)
end)
end)
describe('get_position', function()
it('works', function()
nvim('command', 'tabnew')
nvim('command', 'vsplit')
eq(window('get_tabpage',
nvim('list_wins')[1]), nvim('list_tabpages')[1])
eq(window('get_tabpage',
nvim('list_wins')[2]), nvim('list_tabpages')[2])
eq(window('get_tabpage',
nvim('list_wins')[3]), nvim('list_tabpages')[2])
end)
end)
describe('get_number', function()
it('works', function()
local wins = nvim('list_wins')
eq(1, window('get_number', wins[1]))
nvim('command', 'split')
local win1, win2 = unpack(nvim('list_wins'))
eq(1, window('get_number', win1))
eq(2, window('get_number', win2))
nvim('command', 'wincmd J')
eq(2, window('get_number', win1))
eq(1, window('get_number', win2))
nvim('command', 'tabnew')
local win3 = nvim('list_wins')[3]
-- First tab page
eq(2, window('get_number', win1))
eq(1, window('get_number', win2))
-- Second tab page
eq(1, window('get_number', win3))
end)
end)
describe('is_valid', function()
it('works', function()
nvim('command', 'split')
local win = nvim('list_wins')[2]
nvim('set_current_win', win)
ok(window('is_valid', win))
nvim('command', 'close')
ok(not window('is_valid', win))
end)
end)
describe('close', function()
it('can close current window', function()
local oldwin = meths.get_current_win()
command('split')
local newwin = meths.get_current_win()
meths.win_close(newwin,false)
eq({oldwin}, meths.list_wins())
end)
it('can close noncurrent window', function()
local oldwin = meths.get_current_win()
command('split')
local newwin = meths.get_current_win()
meths.win_close(oldwin,false)
eq({newwin}, meths.list_wins())
end)
it("handles changed buffer when 'hidden' is unset", function()
command('set nohidden')
local oldwin = meths.get_current_win()
insert('text')
command('new')
local newwin = meths.get_current_win()
eq("Vim:E37: No write since last change (add ! to override)",
pcall_err(meths.win_close, oldwin,false))
eq({newwin,oldwin}, meths.list_wins())
end)
it('handles changed buffer with force', function()
local oldwin = meths.get_current_win()
insert('text')
command('new')
local newwin = meths.get_current_win()
meths.win_close(oldwin,true)
eq({newwin}, meths.list_wins())
end)
it('in cmdline-window #9767', function()
command('split')
eq(2, #meths.list_wins())
local oldwin = meths.get_current_win()
-- Open cmdline-window.
feed('q:')
eq(3, #meths.list_wins())
eq(':', funcs.getcmdwintype())
-- Vim: not allowed to close other windows from cmdline-window.
eq('E11: Invalid in command-line window; <CR> executes, CTRL-C quits',
pcall_err(meths.win_close, oldwin, true))
-- Close cmdline-window.
meths.win_close(0,true)
eq(2, #meths.list_wins())
eq('', funcs.getcmdwintype())
end)
it('closing current (float) window of another tabpage #15313', function()
command('tabedit')
eq(2, eval('tabpagenr()'))
local win = meths.open_win(0, true, {
relative='editor', row=10, col=10, width=50, height=10
})
local tab = eval('tabpagenr()')
command('tabprevious')
eq(1, eval('tabpagenr()'))
meths.win_close(win, false)
eq(1001, meths.tabpage_get_win(tab).id)
assert_alive()
end)
end)
describe('hide', function()
it('can hide current window', function()
local oldwin = meths.get_current_win()
command('split')
local newwin = meths.get_current_win()
meths.win_hide(newwin)
eq({oldwin}, meths.list_wins())
end)
it('can hide noncurrent window', function()
local oldwin = meths.get_current_win()
command('split')
local newwin = meths.get_current_win()
meths.win_hide(oldwin)
eq({newwin}, meths.list_wins())
end)
it('does not close the buffer', function()
local oldwin = meths.get_current_win()
local oldbuf = meths.get_current_buf()
local buf = meths.create_buf(true, false)
local newwin = meths.open_win(buf, true, {
relative='win', row=3, col=3, width=12, height=3
})
meths.win_hide(newwin)
eq({oldwin}, meths.list_wins())
eq({oldbuf, buf}, meths.list_bufs())
end)
it('deletes the buffer when bufhidden=wipe', function()
local oldwin = meths.get_current_win()
local oldbuf = meths.get_current_buf()
local buf = meths.create_buf(true, false)
local newwin = meths.open_win(buf, true, {
relative='win', row=3, col=3, width=12, height=3
})
meths.buf_set_option(buf, 'bufhidden', 'wipe')
meths.win_hide(newwin)
eq({oldwin}, meths.list_wins())
eq({oldbuf}, meths.list_bufs())
end)
end)
describe('open_win', function()
it('noautocmd option works', function()
command('autocmd BufEnter,BufLeave,BufWinEnter * let g:fired = 1')
meths.open_win(meths.create_buf(true, true), true, {
relative='win', row=3, col=3, width=12, height=3, noautocmd=true
})
eq(0, funcs.exists('g:fired'))
meths.open_win(meths.create_buf(true, true), true, {
relative='win', row=3, col=3, width=12, height=3
})
eq(1, funcs.exists('g:fired'))
end)
end)
describe('get_config', function()
it('includes border', function()
local b = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' }
local win = meths.open_win(0, true, {
relative='win', row=3, col=3, width=12, height=3,
border = b,
})
local cfg = meths.win_get_config(win)
eq(b, cfg.border)
end)
it('includes border with highlight group', function()
local b = {
{'a', 'Normal'},
{'b', 'Special'},
{'c', 'String'},
{'d', 'Comment'},
{'e', 'Visual'},
{'f', 'Error'},
{'g', 'Constant'},
{'h', 'PreProc'},
}
local win = meths.open_win(0, true, {
relative='win', row=3, col=3, width=12, height=3,
border = b,
})
local cfg = meths.win_get_config(win)
eq(b, cfg.border)
end)
end)
end)
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