neovim/test/functional/core/job_spec.lua
2019-08-16 13:37:44 +09:00

978 lines
33 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear, eq, eval, exc_exec, feed_command, feed, insert, neq, next_msg, nvim,
nvim_dir, ok, source, write_file, mkdir, rmdir = helpers.clear,
helpers.eq, helpers.eval, helpers.exc_exec, helpers.feed_command, helpers.feed,
helpers.insert, helpers.neq, helpers.next_msg, helpers.nvim,
helpers.nvim_dir, helpers.ok, helpers.source,
helpers.write_file, helpers.mkdir, helpers.rmdir
local command = helpers.command
local funcs = helpers.funcs
local retry = helpers.retry
local meths = helpers.meths
local NIL = helpers.NIL
local wait = helpers.wait
local iswin = helpers.iswin
local get_pathsep = helpers.get_pathsep
local pathroot = helpers.pathroot
local nvim_set = helpers.nvim_set
local expect_twostreams = helpers.expect_twostreams
local expect_msg_seq = helpers.expect_msg_seq
local expect_err = helpers.expect_err
local Screen = require('test.functional.ui.screen')
-- Kill process with given pid
local function os_kill(pid)
return os.execute((iswin()
and 'taskkill /f /t /pid '..pid..' > nul'
or 'kill -9 '..pid..' > /dev/null'))
end
describe('jobs', function()
local channel
before_each(function()
clear()
channel = nvim('get_api_info')[1]
nvim('set_var', 'channel', channel)
source([[
function! Normalize(data) abort
" Windows: remove ^M
return type([]) == type(a:data)
\ ? map(a:data, 'substitute(v:val, "\r", "", "g")')
\ : a:data
endfunction
function! OnEvent(id, data, event) dict
let userdata = get(self, 'user')
let data = Normalize(a:data)
call rpcnotify(g:channel, a:event, userdata, data)
endfunction
let g:job_opts = {
\ 'on_stdout': function('OnEvent'),
\ 'on_exit': function('OnEvent'),
\ 'user': 0
\ }
]])
end)
it('uses &shell and &shellcmdflag if passed a string', function()
nvim('command', "let $VAR = 'abc'")
if iswin() then
nvim('command', "let j = jobstart('echo %VAR%', g:job_opts)")
else
nvim('command', "let j = jobstart('echo $VAR', g:job_opts)")
end
eq({'notification', 'stdout', {0, {'abc', ''}}}, next_msg())
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 0}}, next_msg())
end)
it('changes to given / directory', function()
nvim('command', "let g:job_opts.cwd = '/'")
if iswin() then
nvim('command', "let j = jobstart('cd', g:job_opts)")
else
nvim('command', "let j = jobstart('pwd', g:job_opts)")
end
eq({'notification', 'stdout',
{0, {pathroot(), ''}}}, next_msg())
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 0}}, next_msg())
end)
it('changes to given `cwd` directory', function()
local dir = eval("resolve(tempname())"):gsub("/", get_pathsep())
mkdir(dir)
nvim('command', "let g:job_opts.cwd = '" .. dir .. "'")
if iswin() then
nvim('command', "let j = jobstart('cd', g:job_opts)")
else
nvim('command', "let j = jobstart('pwd', g:job_opts)")
end
expect_msg_seq(
{ {'notification', 'stdout', {0, {dir, ''} } },
{'notification', 'stdout', {0, {''} } },
{'notification', 'exit', {0, 0} }
},
-- Alternative sequence:
{ {'notification', 'stdout', {0, {dir} } },
{'notification', 'stdout', {0, {'', ''} } },
{'notification', 'stdout', {0, {''} } },
{'notification', 'exit', {0, 0} }
}
)
rmdir(dir)
end)
it('fails to change to invalid `cwd`', function()
local dir = eval('resolve(tempname())."-bogus"')
local _, err = pcall(function()
nvim('command', "let g:job_opts.cwd = '" .. dir .. "'")
if iswin() then
nvim('command', "let j = jobstart('cd', g:job_opts)")
else
nvim('command', "let j = jobstart('pwd', g:job_opts)")
end
end)
ok(string.find(err, "E475: Invalid argument: expected valid directory$") ~= nil)
end)
it('produces error when using non-executable `cwd`', function()
if iswin() then return end -- N/A for Windows
local dir = 'Xtest_not_executable_dir'
mkdir(dir)
funcs.setfperm(dir, 'rw-------')
expect_err('E475: Invalid argument: expected valid directory$', nvim,
'command', "call jobstart('pwd', {'cwd': '" .. dir .. "'})")
rmdir(dir)
end)
it('returns 0 when it fails to start', function()
eq("", eval("v:errmsg"))
feed_command("let g:test_jobid = jobstart([])")
eq(0, eval("g:test_jobid"))
eq("E474:", string.match(eval("v:errmsg"), "E%d*:"))
end)
it('returns -1 when target is not executable #5465', function()
local function new_job()
return eval([[jobstart('')]])
end
local executable_jobid = new_job()
local nonexecutable_jobid = eval("jobstart(['"..(iswin()
and './test/functional/fixtures'
or './test/functional/fixtures/non_executable.txt').."'])")
eq(-1, nonexecutable_jobid)
-- Should _not_ throw an error.
eq("", eval("v:errmsg"))
-- Non-executable job should not increment the job ids. #5465
eq(executable_jobid + 1, new_job())
end)
it('invokes callbacks when the job writes and exits', function()
nvim('command', "let g:job_opts.on_stderr = function('OnEvent')")
nvim('command', [[call jobstart(has('win32') ? 'echo:' : 'echo', g:job_opts)]])
expect_twostreams({{'notification', 'stdout', {0, {'', ''}}},
{'notification', 'stdout', {0, {''}}}},
{{'notification', 'stderr', {0, {''}}}})
eq({'notification', 'exit', {0, 0}}, next_msg())
end)
it('allows interactive commands', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
neq(0, eval('j'))
nvim('command', 'call jobsend(j, "abc\\n")')
eq({'notification', 'stdout', {0, {'abc', ''}}}, next_msg())
nvim('command', 'call jobsend(j, "123\\nxyz\\n")')
expect_msg_seq(
{ {'notification', 'stdout', {0, {'123', 'xyz', ''}}}
},
-- Alternative sequence:
{ {'notification', 'stdout', {0, {'123', ''}}},
{'notification', 'stdout', {0, {'xyz', ''}}}
}
)
nvim('command', 'call jobsend(j, [123, "xyz", ""])')
expect_msg_seq(
{ {'notification', 'stdout', {0, {'123', 'xyz', ''}}}
},
-- Alternative sequence:
{ {'notification', 'stdout', {0, {'123', ''}}},
{'notification', 'stdout', {0, {'xyz', ''}}}
}
)
nvim('command', "call jobstop(j)")
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 143}}, next_msg())
end)
it('preserves NULs', function()
-- Make a file with NULs in it.
local filename = helpers.tmpname()
write_file(filename, "abc\0def\n")
nvim('command', "let j = jobstart(['cat', '"..filename.."'], g:job_opts)")
eq({'notification', 'stdout', {0, {'abc\ndef', ''}}}, next_msg())
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 0}}, next_msg())
os.remove(filename)
-- jobsend() preserves NULs.
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', [[call jobsend(j, ["123\n456",""])]])
eq({'notification', 'stdout', {0, {'123\n456', ''}}}, next_msg())
nvim('command', "call jobstop(j)")
end)
it("will not buffer data if it doesn't end in newlines", function()
if helpers.isCI('travis') and os.getenv('CC') == 'gcc-4.9'
and helpers.os_name() == "osx" then
-- XXX: Hangs Travis macOS since e9061117a5b8f195c3f26a5cb94e18ddd7752d86.
pending("[Hangs on Travis macOS. #5002]", function() end)
return
end
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', 'call jobsend(j, "abc\\nxyz")')
eq({'notification', 'stdout', {0, {'abc', 'xyz'}}}, next_msg())
nvim('command', "call jobstop(j)")
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 143}}, next_msg())
end)
it('preserves newlines', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', 'call jobsend(j, "a\\n\\nc\\n\\n\\n\\nb\\n\\n")')
eq({'notification', 'stdout',
{0, {'a', '', 'c', '', '', '', 'b', '', ''}}}, next_msg())
end)
it('preserves NULs', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', 'call jobsend(j, ["\n123\n", "abc\\nxyz\n", ""])')
eq({'notification', 'stdout', {0, {'\n123\n', 'abc\nxyz\n', ''}}},
next_msg())
nvim('command', "call jobstop(j)")
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 143}}, next_msg())
end)
it('avoids sending final newline', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', 'call jobsend(j, ["some data", "without\nfinal nl"])')
eq({'notification', 'stdout', {0, {'some data', 'without\nfinal nl'}}},
next_msg())
nvim('command', "call jobstop(j)")
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 143}}, next_msg())
end)
it('closes the job streams with jobclose', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', 'call jobclose(j, "stdin")')
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 0}}, next_msg())
end)
it("disallows jobsend on a job that closed stdin", function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
nvim('command', 'call jobclose(j, "stdin")')
eq(false, pcall(function()
nvim('command', 'call jobsend(j, ["some data"])')
end))
end)
it('disallows jobsend/stop on a non-existent job', function()
eq(false, pcall(eval, "jobsend(-1, 'lol')"))
eq(false, pcall(eval, "jobstop(-1)"))
end)
it('disallows jobstop twice on the same job', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
neq(0, eval('j'))
eq(true, pcall(eval, "jobstop(j)"))
eq(false, pcall(eval, "jobstop(j)"))
end)
it('will not leak memory if we leave a job running', function()
nvim('command', "call jobstart(['cat', '-'], g:job_opts)")
end)
it('can get the pid value using getpid', function()
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
local pid = eval('jobpid(j)')
neq(NIL, meths.get_proc(pid))
nvim('command', 'call jobstop(j)')
eq({'notification', 'stdout', {0, {''}}}, next_msg())
eq({'notification', 'exit', {0, 143}}, next_msg())
eq(NIL, meths.get_proc(pid))
end)
it("do not survive the exit of nvim", function()
-- use sleep, which doesn't die on stdin close
nvim('command', "let g:j = jobstart(has('win32') ? ['ping', '-n', '1001', '127.0.0.1'] : ['sleep', '1000'], g:job_opts)")
local pid = eval('jobpid(g:j)')
neq(NIL, meths.get_proc(pid))
clear()
eq(NIL, meths.get_proc(pid))
end)
it('can survive the exit of nvim with "detach"', function()
nvim('command', 'let g:job_opts.detach = 1')
nvim('command', "let g:j = jobstart(has('win32') ? ['ping', '-n', '1001', '127.0.0.1'] : ['sleep', '1000'], g:job_opts)")
local pid = eval('jobpid(g:j)')
neq(NIL, meths.get_proc(pid))
clear()
neq(NIL, meths.get_proc(pid))
-- clean up after ourselves
eq(0, os_kill(pid))
end)
it('can pass user data to the callback', function()
nvim('command', 'let g:job_opts.user = {"n": 5, "s": "str", "l": [1]}')
nvim('command', [[call jobstart('echo foo', g:job_opts)]])
local data = {n = 5, s = 'str', l = {1}}
expect_msg_seq(
{ {'notification', 'stdout', {data, {'foo', ''}}},
{'notification', 'stdout', {data, {''}}},
},
-- Alternative sequence:
{ {'notification', 'stdout', {data, {'foo'}}},
{'notification', 'stdout', {data, {'', ''}}},
{'notification', 'stdout', {data, {''}}},
}
)
eq({'notification', 'exit', {data, 0}}, next_msg())
end)
it('can omit data callbacks', function()
nvim('command', 'unlet g:job_opts.on_stdout')
nvim('command', 'let g:job_opts.user = 5')
nvim('command', [[call jobstart('echo foo', g:job_opts)]])
eq({'notification', 'exit', {5, 0}}, next_msg())
end)
it('can omit exit callback', function()
nvim('command', 'unlet g:job_opts.on_exit')
nvim('command', 'let g:job_opts.user = 5')
nvim('command', [[call jobstart('echo foo', g:job_opts)]])
expect_msg_seq(
{ {'notification', 'stdout', {5, {'foo', ''} } },
{'notification', 'stdout', {5, {''} } },
},
-- Alternative sequence:
{ {'notification', 'stdout', {5, {'foo'} } },
{'notification', 'stdout', {5, {'', ''} } },
{'notification', 'stdout', {5, {''} } },
}
)
end)
it('will pass return code with the exit event', function()
nvim('command', 'let g:job_opts.user = 5')
nvim('command', "call jobstart('exit 55', g:job_opts)")
eq({'notification', 'stdout', {5, {''}}}, next_msg())
eq({'notification', 'exit', {5, 55}}, next_msg())
end)
it('can receive dictionary functions', function()
source([[
let g:dict = {'id': 10}
function g:dict.on_exit(id, code, event)
call rpcnotify(g:channel, a:event, a:code, self.id)
endfunction
call jobstart('exit 45', g:dict)
]])
eq({'notification', 'exit', {45, 10}}, next_msg())
end)
it('can redefine callbacks being used by a job', function()
local screen = Screen.new()
screen:attach()
screen:set_default_attr_ids({
[1] = {bold=true, foreground=Screen.colors.Blue},
})
source([[
function! g:JobHandler(job_id, data, event)
endfunction
let g:callbacks = {
\ 'on_stdout': function('g:JobHandler'),
\ 'on_stderr': function('g:JobHandler'),
\ 'on_exit': function('g:JobHandler')
\ }
let job = jobstart(['cat', '-'], g:callbacks)
]])
wait()
source([[
function! g:JobHandler(job_id, data, event)
endfunction
]])
eq("", eval("v:errmsg"))
end)
it('requires funcrefs for script-local (s:) functions', function()
local screen = Screen.new(60, 5)
screen:attach()
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
[2] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[3] = {bold = true, foreground = Screen.colors.SeaGreen4}
})
-- Pass job callback names _without_ `function(...)`.
source([[
function! s:OnEvent(id, data, event) dict
let g:job_result = get(self, 'user')
endfunction
let s:job = jobstart('echo "foo"', {
\ 'on_stdout': 's:OnEvent',
\ 'on_stderr': 's:OnEvent',
\ 'on_exit': 's:OnEvent',
\ })
]])
screen:expect{any="{2:E120: Using <SID> not in a script context: s:OnEvent}"}
end)
it('does not repeat output with slow output handlers', function()
source([[
let d = {'data': []}
function! d.on_stdout(job, data, event) dict
call add(self.data, Normalize(a:data))
sleep 200m
endfunction
function! d.on_exit(job, data, event) dict
let g:exit_data = copy(self.data)
endfunction
if has('win32')
let cmd = 'for /L %I in (1,1,5) do @(echo %I& ping -n 2 127.0.0.1 > nul)'
else
let cmd = ['sh', '-c', 'for i in $(seq 1 5); do echo $i; sleep 0.1; done']
endif
let g:id = jobstart(cmd, d)
sleep 1500m
call jobwait([g:id])
]])
local expected = {'1', '2', '3', '4', '5', ''}
local chunks = eval('d.data')
-- check nothing was received after exit, including EOF
eq(eval('g:exit_data'), chunks)
local received = {''}
for i, chunk in ipairs(chunks) do
if i < #chunks then
-- if chunks got joined, a spurious [''] callback was not sent
neq({''}, chunk)
else
-- but EOF callback is still sent
eq({''}, chunk)
end
received[#received] = received[#received]..chunk[1]
for j = 2, #chunk do
received[#received+1] = chunk[j]
end
end
eq(expected, received)
end)
it('does not invoke callbacks recursively', function()
source([[
let d = {'data': []}
function! d.on_stdout(job, data, event) dict
" if callbacks were invoked recursively, this would cause on_stdout
" to be invoked recursively and the data reversed on the call stack
sleep 200m
call add(self.data, Normalize(a:data))
endfunction
function! d.on_exit(job, data, event) dict
let g:exit_data = copy(self.data)
endfunction
if has('win32')
let cmd = 'for /L %I in (1,1,5) do @(echo %I& ping -n 2 127.0.0.1 > nul)'
else
let cmd = ['sh', '-c', 'for i in $(seq 1 5); do echo $i; sleep 0.1; done']
endif
let g:id = jobstart(cmd, d)
sleep 1500m
call jobwait([g:id])
]])
local expected = {'1', '2', '3', '4', '5', ''}
local chunks = eval('d.data')
-- check nothing was received after exit, including EOF
eq(eval('g:exit_data'), chunks)
local received = {''}
for i, chunk in ipairs(chunks) do
if i < #chunks then
-- if chunks got joined, a spurious [''] callback was not sent
neq({''}, chunk)
else
-- but EOF callback is still sent
eq({''}, chunk)
end
received[#received] = received[#received]..chunk[1]
for j = 2, #chunk do
received[#received+1] = chunk[j]
end
end
eq(expected, received)
end)
it('jobstart() works with partial functions', function()
source([[
function PrintArgs(a1, a2, id, data, event)
" Windows: remove ^M
let normalized = map(a:data, 'substitute(v:val, "\r", "", "g")')
call rpcnotify(g:channel, '1', a:a1, a:a2, normalized, a:event)
endfunction
let Callback = function('PrintArgs', ["foo", "bar"])
let g:job_opts = {'on_stdout': Callback}
call jobstart('echo some text', g:job_opts)
]])
expect_msg_seq(
{ {'notification', '1', {'foo', 'bar', {'some text', ''}, 'stdout'}},
},
-- Alternative sequence:
{ {'notification', '1', {'foo', 'bar', {'some text'}, 'stdout'}},
{'notification', '1', {'foo', 'bar', {'', ''}, 'stdout'}},
}
)
end)
it('jobstart() works with closures', function()
source([[
fun! MkFun()
let a1 = 'foo'
let a2 = 'bar'
return {id, data, event -> rpcnotify(g:channel, '1', a1, a2, Normalize(data), event)}
endfun
let g:job_opts = {'on_stdout': MkFun()}
call jobstart('echo some text', g:job_opts)
]])
expect_msg_seq(
{ {'notification', '1', {'foo', 'bar', {'some text', ''}, 'stdout'}},
},
-- Alternative sequence:
{ {'notification', '1', {'foo', 'bar', {'some text'}, 'stdout'}},
{'notification', '1', {'foo', 'bar', {'', ''}, 'stdout'}},
}
)
end)
it('jobstart() works when closure passed directly to `jobstart`', function()
source([[
let g:job_opts = {'on_stdout': {id, data, event -> rpcnotify(g:channel, '1', 'foo', 'bar', Normalize(data), event)}}
call jobstart('echo some text', g:job_opts)
]])
expect_msg_seq(
{ {'notification', '1', {'foo', 'bar', {'some text', ''}, 'stdout'}},
},
-- Alternative sequence:
{ {'notification', '1', {'foo', 'bar', {'some text'}, 'stdout'}},
{'notification', '1', {'foo', 'bar', {'', ''}, 'stdout'}},
}
)
end)
describe('jobwait', function()
before_each(function()
if iswin() then
helpers.set_shell_powershell()
end
end)
it('returns a list of status codes', function()
source([[
call rpcnotify(g:channel, 'wait', jobwait(has('win32') ? [
\ jobstart('Start-Sleep -Milliseconds 100; exit 4'),
\ jobstart('Start-Sleep -Milliseconds 300; exit 5'),
\ jobstart('Start-Sleep -Milliseconds 500; exit 6'),
\ jobstart('Start-Sleep -Milliseconds 700; exit 7')
\ ] : [
\ jobstart('sleep 0.10; exit 4'),
\ jobstart('sleep 0.110; exit 5'),
\ jobstart('sleep 0.210; exit 6'),
\ jobstart('sleep 0.310; exit 7')
\ ]))
]])
eq({'notification', 'wait', {{4, 5, 6, 7}}}, next_msg())
end)
it('will run callbacks while waiting', function()
source([[
let g:dict = {'id': 10}
let g:exits = 0
function g:dict.on_exit(id, code, event)
if a:code != 5
throw 'Error!'
endif
let g:exits += 1
endfunction
call jobwait(has('win32') ? [
\ jobstart('Start-Sleep -Milliseconds 100; exit 5', g:dict),
\ jobstart('Start-Sleep -Milliseconds 300; exit 5', g:dict),
\ jobstart('Start-Sleep -Milliseconds 500; exit 5', g:dict),
\ jobstart('Start-Sleep -Milliseconds 700; exit 5', g:dict)
\ ] : [
\ jobstart('sleep 0.010; exit 5', g:dict),
\ jobstart('sleep 0.030; exit 5', g:dict),
\ jobstart('sleep 0.050; exit 5', g:dict),
\ jobstart('sleep 0.070; exit 5', g:dict)
\ ])
call rpcnotify(g:channel, 'wait', g:exits)
]])
eq({'notification', 'wait', {4}}, next_msg())
end)
it('will return status codes in the order of passed ids', function()
source([[
call rpcnotify(g:channel, 'wait', jobwait(has('win32') ? [
\ jobstart('Start-Sleep -Milliseconds 700; exit 4'),
\ jobstart('Start-Sleep -Milliseconds 500; exit 5'),
\ jobstart('Start-Sleep -Milliseconds 300; exit 6'),
\ jobstart('Start-Sleep -Milliseconds 100; exit 7')
\ ] : [
\ jobstart('sleep 0.070; exit 4'),
\ jobstart('sleep 0.050; exit 5'),
\ jobstart('sleep 0.030; exit 6'),
\ jobstart('sleep 0.010; exit 7')
\ ]))
]])
eq({'notification', 'wait', {{4, 5, 6, 7}}}, next_msg())
end)
it('will return -3 for invalid job ids', function()
source([[
call rpcnotify(g:channel, 'wait', jobwait([
\ -10,
\ jobstart((has('win32') ? 'Start-Sleep -Milliseconds 100' : 'sleep 0.01').'; exit 5'),
\ ]))
]])
eq({'notification', 'wait', {{-3, 5}}}, next_msg())
end)
it('will return -2 when interrupted without timeout', function()
feed_command('call rpcnotify(g:channel, "ready") | '..
'call rpcnotify(g:channel, "wait", '..
'jobwait([jobstart("'..
(iswin() and 'Start-Sleep 10' or 'sleep 10')..
'; exit 55")]))')
eq({'notification', 'ready', {}}, next_msg())
feed('<c-c>')
eq({'notification', 'wait', {{-2}}}, next_msg())
end)
it('will return -2 when interrupted with timeout', function()
feed_command('call rpcnotify(g:channel, "ready") | '..
'call rpcnotify(g:channel, "wait", '..
'jobwait([jobstart("'..
(iswin() and 'Start-Sleep 10' or 'sleep 10')..
'; exit 55")], 10000))')
eq({'notification', 'ready', {}}, next_msg())
feed('<c-c>')
eq({'notification', 'wait', {{-2}}}, next_msg())
end)
it('can be called recursively', function()
if helpers.pending_win32(pending) then return end -- TODO: Need `cat`.
source([[
let g:opts = {}
let g:counter = 0
function g:opts.on_stdout(id, msg, _event)
if self.state == 0
if self.counter < 10
call Run()
endif
let self.state = 1
call jobsend(a:id, "line1\n")
elseif self.state == 1
let self.state = 2
call jobsend(a:id, "line2\n")
elseif self.state == 2
let self.state = 3
call jobsend(a:id, "line3\n")
elseif self.state == 3
let self.state = 4
call rpcnotify(g:channel, 'w', printf('job %d closed', self.counter))
call jobclose(a:id, 'stdin')
endif
endfunction
function g:opts.on_exit(...)
call rpcnotify(g:channel, 'w', printf('job %d exited', self.counter))
endfunction
function Run()
let g:counter += 1
let j = copy(g:opts)
let j.state = 0
let j.counter = g:counter
call jobwait([
\ jobstart('echo ready; cat -', j),
\ ])
endfunction
]])
feed_command('call Run()')
local r
for i = 10, 1, -1 do
r = next_msg()
eq('job '..i..' closed', r[3][1])
r = next_msg()
eq('job '..i..' exited', r[3][1])
end
eq(10, nvim('eval', 'g:counter'))
end)
describe('with timeout argument', function()
it('will return -1 if the wait timed out', function()
source([[
call rpcnotify(g:channel, 'wait', jobwait([
\ jobstart((has('win32') ? 'Start-Sleep 10' : 'sleep 10').'; exit 5'),
\ ], 100))
]])
eq({'notification', 'wait', {{-1}}}, next_msg())
end)
it('can pass 0 to check if a job exists', function()
source([[
call rpcnotify(g:channel, 'wait', jobwait(has('win32') ? [
\ jobstart('Start-Sleep -Milliseconds 50; exit 4'),
\ jobstart('Start-Sleep -Milliseconds 300; exit 5'),
\ ] : [
\ jobstart('sleep 0.05; exit 4'),
\ jobstart('sleep 0.3; exit 5'),
\ ], 0))
]])
eq({'notification', 'wait', {{-1, -1}}}, next_msg())
end)
end)
end)
-- FIXME need to wait until jobsend succeeds before calling jobstop
pending('will only emit the "exit" event after "stdout" and "stderr"', function()
nvim('command', "let g:job_opts.on_stderr = function('s:OnEvent')")
nvim('command', "let j = jobstart(['cat', '-'], g:job_opts)")
local jobid = nvim('eval', 'j')
nvim('eval', 'jobsend(j, "abcdef")')
nvim('eval', 'jobstop(j)')
eq({'notification', 'j', {0, {jobid, 'stdout', {'abcdef'}}}}, next_msg())
eq({'notification', 'j', {0, {jobid, 'exit'}}}, next_msg())
end)
it('cannot have both rpc and pty options', function()
command("let g:job_opts.pty = v:true")
command("let g:job_opts.rpc = v:true")
local _, err = pcall(command, "let j = jobstart(['cat', '-'], g:job_opts)")
ok(string.find(err, "E475: Invalid argument: job cannot have both 'pty' and 'rpc' options set") ~= nil)
end)
it('does not crash when repeatedly failing to start shell', function()
source([[
set shell=nosuchshell
func! DoIt()
call jobstart('true')
call jobstart('true')
endfunc
]])
-- The crash only triggered if both jobs are cleaned up on the same event
-- loop tick. This is also prevented by try-block, so feed must be used.
feed_command("call DoIt()")
feed('<cr>') -- press RETURN
eq(2,eval('1+1'))
end)
it('jobstop() kills entire process tree #6530', function()
-- XXX: Using `nvim` isn't a good test, it reaps its children on exit.
-- local c = 'call jobstart([v:progpath, "-u", "NONE", "-i", "NONE", "--headless"])'
-- local j = eval("jobstart([v:progpath, '-u', 'NONE', '-i', 'NONE', '--headless', '-c', '"
-- ..c.."', '-c', '"..c.."'])")
-- Create child with several descendants.
if iswin() then
source([[
function! s:formatprocs(pid, prefix)
let result = ''
let result .= a:prefix . printf("%-24.24s%6s %12.12s %s\n",
\ s:procs[a:pid]['name'],
\ a:pid,
\ s:procs[a:pid]['Session Name'],
\ s:procs[a:pid]['Session'])
if has_key(s:procs[a:pid], 'children')
for pid in s:procs[a:pid]['children']
let result .= s:formatprocs(pid, a:prefix . ' ')
endfor
endif
return result
endfunction
function! PsTree() abort
let s:procs = {}
for proc in map(
\ map(
\ systemlist('tasklist /NH'),
\ 'substitute(v:val, "\r", "", "")'),
\ 'split(v:val, "\\s\\+")')
if len(proc) == 6
let s:procs[proc[1]] ..']]'..[[= {'name': proc[0],
\ 'Session Name': proc[2],
\ 'Session': proc[3]}
endif
endfor
for pid in keys(s:procs)
let children = nvim_get_proc_children(str2nr(pid))
if !empty(children)
let s:procs[pid]['children'] = children
for cpid in children
let s:procs[printf('%d', cpid)]['parent'] = str2nr(pid)
endfor
endif
endfor
let result = ''
for pid in sort(keys(s:procs), {i1, i2 -> i1 - i2})
if !has_key(s:procs[pid], 'parent')
let result .= s:formatprocs(pid, '')
endif
endfor
return result
endfunction
]])
end
local sleep_cmd = (iswin()
and 'ping -n 31 127.0.0.1'
or 'sleep 30')
local j = eval("jobstart('"..sleep_cmd..' | '..sleep_cmd..' | '..sleep_cmd.."')")
local ppid = funcs.jobpid(j)
local children
if iswin() then
local status, result = pcall(retry, nil, nil, function()
children = meths.get_proc_children(ppid)
-- On Windows conhost.exe may exist, and
-- e.g. vctip.exe might appear. #10783
ok(#children >= 3 and #children <= 5)
end)
if not status then
print('')
print(eval('PsTree()'))
error(result)
end
else
retry(nil, nil, function()
children = meths.get_proc_children(ppid)
eq(3, #children)
end)
end
-- Assert that nvim_get_proc() sees the children.
for _, child_pid in ipairs(children) do
local info = meths.get_proc(child_pid)
-- eq((iswin() and 'nvim.exe' or 'nvim'), info.name)
eq(ppid, info.ppid)
end
-- Kill the root of the tree.
eq(1, funcs.jobstop(j))
-- Assert that the children were killed.
retry(nil, nil, function()
for _, child_pid in ipairs(children) do
eq(NIL, meths.get_proc(child_pid))
end
end)
end)
describe('running tty-test program', function()
if helpers.pending_win32(pending) then return end
local function next_chunk()
local rv
while true do
local msg = next_msg()
local data = msg[3][2]
for i = 1, #data do
data[i] = data[i]:gsub('\n', '\000')
end
rv = table.concat(data, '\n')
rv = rv:gsub('\r\n$', ''):gsub('^\r\n', '')
if rv ~= '' then
break
end
end
return rv
end
local function send(str)
nvim('command', 'call jobsend(j, "'..str..'")')
end
before_each(function()
-- Redefine Normalize() so that TTY data is not munged.
source([[
function! Normalize(data) abort
return a:data
endfunction
]])
local ext = iswin() and '.exe' or ''
insert(nvim_dir..'/tty-test'..ext) -- Full path to tty-test.
nvim('command', 'let g:job_opts.pty = 1')
nvim('command', 'let exec = [expand("<cfile>:p")]')
nvim('command', "let j = jobstart(exec, g:job_opts)")
eq('tty ready', next_chunk())
end)
it('echoing input', function()
send('test')
eq('test', next_chunk())
end)
it('resizing window', function()
nvim('command', 'call jobresize(j, 40, 10)')
eq('rows: 10, cols: 40', next_chunk())
nvim('command', 'call jobresize(j, 10, 40)')
eq('rows: 40, cols: 10', next_chunk())
end)
it('jobclose() sends SIGHUP', function()
nvim('command', 'call jobclose(j)')
local msg = next_msg()
msg = (msg[2] == 'stdout') and next_msg() or msg -- Skip stdout, if any.
eq({'notification', 'exit', {0, 42}}, msg)
end)
it('jobstart() does not keep ptmx file descriptor open', function()
-- Start another job (using libuv)
command('let g:job_opts.pty = 0')
local other_jobid = eval("jobstart(['cat', '-'], g:job_opts)")
local other_pid = eval('jobpid(' .. other_jobid .. ')')
-- Other job doesn't block first job from recieving SIGHUP on jobclose()
command('call jobclose(j)')
-- Have to wait so that the SIGHUP can be processed by tty-test on time.
-- Can't wait for the next message in case this test fails, if it fails
-- there won't be any more messages, and the test would hang.
helpers.sleep(100)
local err = exc_exec('call jobpid(j)')
eq('Vim(call):E900: Invalid channel id', err)
-- cleanup
eq(other_pid, eval('jobpid(' .. other_jobid .. ')'))
command('call jobstop(' .. other_jobid .. ')')
end)
end)
end)
describe("pty process teardown", function()
local screen
before_each(function()
clear()
screen = Screen.new(30, 6)
screen:attach()
screen:expect([[
^ |
~ |
~ |
~ |
~ |
|
]])
end)
after_each(function()
screen:detach()
end)
it("does not prevent/delay exit. #4798 #4900", function()
if helpers.pending_win32(pending) then return end
-- Use a nested nvim (in :term) to test without --headless.
feed_command(":terminal '"..helpers.nvim_prog
.."' -u NONE -i NONE --cmd '"..nvim_set.."' "
-- Use :term again in the _nested_ nvim to get a PTY process.
-- Use `sleep` to simulate a long-running child of the PTY.
.."+terminal +'!(sleep 300 &)' +qa")
-- Exiting should terminate all descendants (PTY, its children, ...).
screen:expect([[
^ |
[Process exited 0] |
|
|
|
|
]])
end)
end)