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local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear = helpers.clear
local eq = helpers.eq
local eval = helpers.eval
local command = helpers.command
local pcall_err = helpers.pcall_err
local feed = helpers.feed
local poke_eventloop = helpers.poke_eventloop
describe('terminal channel is closed and later released if', function()
local screen
before_each(function()
clear()
screen = Screen.new()
screen:attach()
end)
it('opened by nvim_open_term() and deleted by :bdelete!', function()
command([[let id = nvim_open_term(0, {})]])
local chans = eval('len(nvim_list_chans())')
-- channel hasn't been released yet
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[bdelete! | call chansend(id, 'test')]]))
-- channel has been released after one main loop iteration
eq(chans - 1, eval('len(nvim_list_chans())'))
end)
it('opened by nvim_open_term(), closed by chanclose(), and deleted by pressing a key', function()
command('let id = nvim_open_term(0, {})')
local chans = eval('len(nvim_list_chans())')
-- channel has been closed but not released
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[call chanclose(id) | call chansend(id, 'test')]]))
screen:expect({any='%[Terminal closed%]'})
eq(chans, eval('len(nvim_list_chans())'))
-- delete terminal
feed('i<CR>')
-- need to first process input
poke_eventloop()
-- channel has been released after another main loop iteration
eq(chans - 1, eval('len(nvim_list_chans())'))
end)
it('opened by nvim_open_term(), closed by chanclose(), and deleted by :bdelete', function()
command('let id = nvim_open_term(0, {})')
local chans = eval('len(nvim_list_chans())')
-- channel has been closed but not released
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[call chanclose(id) | call chansend(id, 'test')]]))
screen:expect({any='%[Terminal closed%]'})
eq(chans, eval('len(nvim_list_chans())'))
-- channel still hasn't been released yet
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[bdelete | call chansend(id, 'test')]]))
-- channel has been released after one main loop iteration
eq(chans - 1, eval('len(nvim_list_chans())'))
end)
it('opened by termopen(), exited, and deleted by pressing a key', function()
command([[let id = termopen('echo')]])
local chans = eval('len(nvim_list_chans())')
-- wait for process to exit
screen:expect({any='%[Process exited 0%]'})
-- process has exited but channel has't been released
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[call chansend(id, 'test')]]))
eq(chans, eval('len(nvim_list_chans())'))
-- delete terminal
feed('i<CR>')
-- need to first process input
poke_eventloop()
-- channel has been released after another main loop iteration
eq(chans - 1, eval('len(nvim_list_chans())'))
end)
-- This indirectly covers #16264
it('opened by termopen(), exited, and deleted by :bdelete', function()
command([[let id = termopen('echo')]])
local chans = eval('len(nvim_list_chans())')
-- wait for process to exit
screen:expect({any='%[Process exited 0%]'})
-- process has exited but channel hasn't been released
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[call chansend(id, 'test')]]))
eq(chans, eval('len(nvim_list_chans())'))
-- channel still hasn't been released yet
eq("Vim(call):Can't send data to closed stream",
pcall_err(command, [[bdelete | call chansend(id, 'test')]]))
-- channel has been released after one main loop iteration
eq(chans - 1, eval('len(nvim_list_chans())'))
end)
end)
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