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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local clear = n.clear
local eq = t.eq
local fn = n.fn
local neq = t.neq
local nvim_argv = n.nvim_argv
local request = n.request
local retry = t.retry
local NIL = vim.NIL
local is_os = t.is_os
describe('API', function()
before_each(clear)
describe('nvim_get_proc_children', function()
it('returns child process ids', function()
local this_pid = fn.getpid()
-- Might be non-zero already (left-over from some other test?),
-- but this is not what is tested here.
local initial_children = request('nvim_get_proc_children', this_pid)
local job1 = fn.jobstart(nvim_argv)
retry(nil, nil, function()
eq(#initial_children + 1, #request('nvim_get_proc_children', this_pid))
end)
local job2 = fn.jobstart(nvim_argv)
retry(nil, nil, function()
eq(#initial_children + 2, #request('nvim_get_proc_children', this_pid))
end)
fn.jobstop(job1)
retry(nil, nil, function()
eq(#initial_children + 1, #request('nvim_get_proc_children', this_pid))
end)
fn.jobstop(job2)
retry(nil, nil, function()
eq(#initial_children, #request('nvim_get_proc_children', this_pid))
end)
end)
it('validation', function()
local status, rv = pcall(request, 'nvim_get_proc_children', -1)
eq(false, status)
eq("Invalid 'pid': -1", string.match(rv, 'Invalid.*'))
status, rv = pcall(request, 'nvim_get_proc_children', 0)
eq(false, status)
eq("Invalid 'pid': 0", string.match(rv, 'Invalid.*'))
-- Assume PID 99999 does not exist.
status, rv = pcall(request, 'nvim_get_proc_children', 99999)
eq(true, status)
eq({}, rv)
end)
end)
describe('nvim_get_proc', function()
it('returns process info', function()
local pid = fn.getpid()
local pinfo = request('nvim_get_proc', pid)
eq((is_os('win') and 'nvim.exe' or 'nvim'), pinfo.name)
eq(pid, pinfo.pid)
eq('number', type(pinfo.ppid))
neq(pid, pinfo.ppid)
end)
it('validation', function()
local status, rv = pcall(request, 'nvim_get_proc', -1)
eq(false, status)
eq("Invalid 'pid': -1", string.match(rv, 'Invalid.*'))
status, rv = pcall(request, 'nvim_get_proc', 0)
eq(false, status)
eq("Invalid 'pid': 0", string.match(rv, 'Invalid.*'))
-- Assume PID 99999 does not exist.
status, rv = pcall(request, 'nvim_get_proc', 99999)
eq(true, status)
eq(NIL, rv)
end)
end)
end)
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