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local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local eq = helpers.eq
local exec_lua = helpers.exec_lua
local clear = helpers.clear
local feed = helpers.feed
local fn = helpers.fn
local assert_log = helpers.assert_log
local check_close = helpers.check_close
local testlog = 'Xtest_lua_ui_event_log'
describe('vim.ui_attach', function()
local screen
before_each(function()
clear()
exec_lua [[
ns = vim.api.nvim_create_namespace 'testspace'
events = {}
function on_event(event, ...)
events[#events+1] = {event, ...}
return true
end
function get_events()
local ret_events = events
events = {}
return ret_events
end
]]
screen = Screen.new(40, 5)
screen:set_default_attr_ids({
[1] = { bold = true, foreground = Screen.colors.Blue1 },
[2] = { bold = true },
[3] = { background = Screen.colors.Grey },
[4] = { background = Screen.colors.LightMagenta },
})
screen:attach()
end)
local function expect_events(expected)
local evs = exec_lua 'return get_events(...)'
eq(expected, evs, vim.inspect(evs))
end
it('can receive popupmenu events', function()
exec_lua [[ vim.ui_attach(ns, {ext_popupmenu=true}, on_event) ]]
feed('ifo')
screen:expect {
grid = [[
fo^ |
{1:~ }|*3
{2:-- INSERT --} |
]],
}
fn.complete(1, { 'food', 'foobar', 'foo' })
screen:expect {
grid = [[
food^ |
{1:~ }|*3
{2:-- INSERT --} |
]],
}
expect_events {
{
'popupmenu_show',
{ { 'food', '', '', '' }, { 'foobar', '', '', '' }, { 'foo', '', '', '' } },
0,
0,
0,
1,
},
}
feed '<c-n>'
screen:expect {
grid = [[
foobar^ |
{1:~ }|*3
{2:-- INSERT --} |
]],
}
expect_events {
{ 'popupmenu_select', 1 },
}
feed '<c-y>'
screen:expect_unchanged()
expect_events {
{ 'popupmenu_hide' },
}
-- vim.ui_detach() stops events, and reenables builtin pum immediately
exec_lua [[
vim.ui_detach(ns)
vim.fn.complete(1, {'food', 'foobar', 'foo'})
]]
screen:expect {
grid = [[
food^ |
{3:food }{1: }|
{4:foobar }{1: }|
{4:foo }{1: }|
{2:-- INSERT --} |
]],
}
expect_events {}
end)
it('does not crash on exit', function()
fn.system({
helpers.nvim_prog,
'-u',
'NONE',
'-i',
'NONE',
'--cmd',
[[ lua ns = vim.api.nvim_create_namespace 'testspace' ]],
'--cmd',
[[ lua vim.ui_attach(ns, {ext_popupmenu=true}, function() end) ]],
'--cmd',
'quitall!',
})
eq(0, helpers.eval('v:shell_error'))
end)
it('can receive accurate message kinds even if they are history', function()
exec_lua([[
vim.cmd.echomsg("'message1'")
print('message2')
vim.ui_attach(ns, { ext_messages = true }, on_event)
vim.cmd.echomsg("'message3'")
]])
feed(':messages<cr>')
feed('<cr>')
local actual = exec_lua([[
return vim.tbl_filter(function (event)
return event[1] == "msg_history_show"
end, events)
]])
eq({
{
'msg_history_show',
{
{ 'echomsg', { { 0, 'message1' } } },
{ '', { { 0, 'message2' } } },
{ 'echomsg', { { 0, 'message3' } } },
},
},
}, actual, vim.inspect(actual))
end)
end)
describe('vim.ui_attach', function()
after_each(function()
check_close()
os.remove(testlog)
end)
it('error in callback is logged', function()
clear({ env = { NVIM_LOG_FILE = testlog } })
local screen = Screen.new()
screen:attach()
exec_lua([[
local ns = vim.api.nvim_create_namespace('testspace')
vim.ui_attach(ns, { ext_popupmenu = true }, function() error(42) end)
]])
feed('ifoo<CR>foobar<CR>fo<C-X><C-N>')
assert_log('Error executing UI event callback: Error executing lua: .*: 42', testlog, 100)
end)
end)
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