test: add tests for freeing channel opened by termopen()

This indirectly covers #16264
This commit is contained in:
zeertzjq
2021-11-11 09:34:23 +08:00
parent a502a7a731
commit 8b5c32c8cd
2 changed files with 49 additions and 14 deletions

View File

@@ -3,8 +3,6 @@ local uname = helpers.uname
local clear, eq, eval, next_msg, ok, source = helpers.clear, helpers.eq,
helpers.eval, helpers.next_msg, helpers.ok, helpers.source
local command, funcs, meths = helpers.command, helpers.funcs, helpers.meths
local exc_exec = helpers.exc_exec
local poke_eventloop = helpers.poke_eventloop
local sleep = helpers.sleep
local spawn, nvim_argv = helpers.spawn, helpers.nvim_argv
local set_session = helpers.set_session
@@ -283,16 +281,4 @@ describe('channels', function()
-- works correctly with no output
eq({"notification", "exit", {id, 1, {''}}}, next_msg())
end)
it('should throw error when writing to a channel associated with a deleted terminal', function()
command('let id = nvim_open_term(0, {})')
local err = exc_exec([[bdelete! | call chansend(id, 'test')]])
-- channel hasn't been freed yet
eq("Vim(call):Can't send data to closed stream", err)
-- process free_channel_event
poke_eventloop()
err = exc_exec([[call chansend(id, 'test')]])
-- channel has ben freed
eq("Vim(call):E900: Invalid channel id", err)
end)
end)

View File

@@ -0,0 +1,49 @@
local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local command = helpers.command
local exc_exec = helpers.exc_exec
local feed = helpers.feed
local sleep = helpers.sleep
local poke_eventloop = helpers.poke_eventloop
describe('associated channel is closed and later freed for terminal', function()
before_each(clear)
it('opened by nvim_open_term() and deleted by :bdelete!', function()
command([[let id = nvim_open_term(0, {})]])
-- channel hasn't been freed yet
eq("Vim(call):Can't send data to closed stream", exc_exec([[bdelete! | call chansend(id, 'test')]]))
-- process free_channel_event
poke_eventloop()
-- channel has been freed
eq("Vim(call):E900: Invalid channel id", exc_exec([[call chansend(id, 'test')]]))
end)
it('opened by termopen(), exited, and deleted by pressing a key', function()
command([[let id = termopen('echo')]])
sleep(500)
-- process has exited
eq("Vim(call):Can't send data to closed stream", exc_exec([[call chansend(id, 'test')]]))
-- delete terminal
feed('i<CR>')
-- process term_delayed_free and free_channel_event
poke_eventloop()
-- channel has been freed
eq("Vim(call):E900: Invalid channel id", exc_exec([[call chansend(id, 'test')]]))
end)
-- This indirectly covers #16264
it('opened by termopen(), exited, and deleted by :bdelete', function()
command([[let id = termopen('echo')]])
sleep(500)
-- process has exited
eq("Vim(call):Can't send data to closed stream", exc_exec([[call chansend(id, 'test')]]))
-- channel hasn't been freed yet
eq("Vim(call):Can't send data to closed stream", exc_exec([[bdelete | call chansend(id, 'test')]]))
-- process term_delayed_free and free_channel_event
poke_eventloop()
-- channel has been freed
eq("Vim(call):E900: Invalid channel id", exc_exec([[call chansend(id, 'test')]]))
end)
end)