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local helpers = require('test.functional.helpers')(after_each)
local eq, clear, eval, command, nvim, next_msg =
helpers.eq, helpers.clear, helpers.eval, helpers.command, helpers.nvim,
helpers.next_msg
local meths = helpers.meths
local exec_lua = helpers.exec_lua
local retry = helpers.retry
local isCI = helpers.isCI
local assert_alive = helpers.assert_alive
describe('notify', function()
local channel
before_each(function()
clear()
channel = nvim('get_api_info')[1]
end)
describe('passing a valid channel id', function()
it('sends the notification/args to the corresponding channel', function()
eval('rpcnotify('..channel..', "test-event", 1, 2, 3)')
eq({'notification', 'test-event', {1, 2, 3}}, next_msg())
command('au FileType lua call rpcnotify('..channel..', "lua!")')
command('set filetype=lua')
eq({'notification', 'lua!', {}}, next_msg())
end)
end)
describe('passing 0 as the channel id', function()
it('sends the notification/args to all subscribed channels', function()
nvim('subscribe', 'event2')
eval('rpcnotify(0, "event1", 1, 2, 3)')
eval('rpcnotify(0, "event2", 4, 5, 6)')
eval('rpcnotify(0, "event2", 7, 8, 9)')
eq({'notification', 'event2', {4, 5, 6}}, next_msg())
eq({'notification', 'event2', {7, 8, 9}}, next_msg())
nvim('unsubscribe', 'event2')
nvim('subscribe', 'event1')
eval('rpcnotify(0, "event2", 10, 11, 12)')
eval('rpcnotify(0, "event1", 13, 14, 15)')
eq({'notification', 'event1', {13, 14, 15}}, next_msg())
end)
it('does not crash for deeply nested variable', function()
meths.set_var('l', {})
local nest_level = 1000
meths.command(('call map(range(%u), "extend(g:, {\'l\': [g:l]})")'):format(nest_level - 1))
eval('rpcnotify('..channel..', "event", g:l)')
local msg = next_msg()
eq('notification', msg[1])
eq('event', msg[2])
local act_ret = msg[3]
local act_nest_level = 0
while act_ret do
if type(act_ret) == 'table' then
local cur_act_ret = nil
for k, v in pairs(act_ret) do
eq(1, k)
cur_act_ret = v
end
if cur_act_ret then
act_nest_level = act_nest_level + 1
end
act_ret = cur_act_ret
else
eq(nil, act_ret)
end
end
eq(nest_level, act_nest_level)
end)
end)
it('unsubscribe non-existing event #8745', function()
nvim('subscribe', 'event1')
nvim('unsubscribe', 'doesnotexist')
nvim('unsubscribe', 'event1')
assert_alive()
end)
it('cancels stale events on channel close', function()
if isCI() then
pending('hangs on CI #14083 #15251')
return
elseif helpers.skip_fragile(pending) then
return
end
if helpers.pending_win32(pending) then return end
local catchan = eval("jobstart(['cat'], {'rpc': v:true})")
local catpath = eval('exepath("cat")')
eq({id=catchan, argv={catpath}, stream='job', mode='rpc', client = {}}, exec_lua ([[
vim.rpcnotify(..., "nvim_call_function", 'chanclose', {..., 'rpc'})
vim.rpcnotify(..., "nvim_subscribe", "daily_rant")
return vim.api.nvim_get_chan_info(...)
]], catchan))
assert_alive()
eq({false, 'Invalid channel: '..catchan},
exec_lua ([[ return {pcall(vim.rpcrequest, ..., 'nvim_eval', '1+1')}]], catchan))
retry(nil, 3000, function() eq({}, meths.get_chan_info(catchan)) end) -- cat be dead :(
end)
end)
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