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local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local exec_lua = helpers.exec_lua
local eq = helpers.eq
local function system_sync(cmd, opts)
return exec_lua(
[[
local cmd, opts = ...
local obj = vim.system(...)
if opts.timeout then
-- Minor delay before calling wait() so the timeout uv timer can have a headstart over the
-- internal call to vim.wait() in wait().
vim.wait(10)
end
local res = obj:wait()
-- Check the process is no longer running
local proc = vim.api.nvim_get_proc(obj.pid)
assert(not proc, 'process still exists')
return res
]],
cmd,
opts
)
end
local function system_async(cmd, opts)
return exec_lua(
[[
local cmd, opts = ...
_G.done = false
local obj = vim.system(cmd, opts, function(obj)
_G.done = true
_G.ret = obj
end)
local ok = vim.wait(10000, function()
return _G.done
end)
assert(ok, 'process did not exit')
-- Check the process is no longer running
local proc = vim.api.nvim_get_proc(obj.pid)
assert(not proc, 'process still exists')
return _G.ret
]],
cmd,
opts
)
end
describe('vim.system', function()
before_each(function()
clear()
end)
for name, system in pairs { sync = system_sync, async = system_async } do
describe('(' .. name .. ')', function()
it('can run simple commands', function()
eq('hello\n', system({ 'echo', 'hello' }, { text = true }).stdout)
end)
it('handle input', function()
eq('hellocat', system({ 'cat' }, { stdin = 'hellocat', text = true }).stdout)
end)
it('supports timeout', function()
eq({
code = 124,
signal = 15,
stdout = '',
stderr = '',
}, system({ 'sleep', '10' }, { timeout = 1000 }))
end)
end)
end
it('kill processes', function()
exec_lua([[
local signal
local cmd = vim.system({ 'cat', '-' }, { stdin = true }, function(r)
signal = r.signal
end) -- run forever
cmd:kill('sigint')
-- wait for the process not to exist
local done = vim.wait(2000, function()
return signal ~= nil
end)
assert(done, 'process did not exit')
-- Check the process is no longer running
local proc = vim.api.nvim_get_proc(cmd.pid)
assert(not proc, 'process still exists')
assert(signal == 2)
]])
end)
it('SystemObj:wait() does not process non-fast events #27292', function()
eq(
false,
exec_lua([[
_G.processed = false
local cmd = vim.system({ 'sleep', '1' })
vim.schedule(function() _G.processed = true end)
cmd:wait()
return _G.processed
]])
)
eq(true, exec_lua([[return _G.processed]]))
end)
end)
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