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-- Tests for some server->client RPC scenarios. Note that unlike with
-- `rpcnotify`, to evaluate `rpcrequest` calls we need the client event loop to
-- be running.
local helpers = require('test.functional.helpers')
local clear, nvim, eval, eq, run, stop = helpers.clear, helpers.nvim,
helpers.eval, helpers.eq, helpers.run, helpers.stop
describe('server -> client', function()
local cid
before_each(function()
clear()
cid = nvim('get_api_info')[1]
end)
describe('simple call', function()
it('works', function()
local function on_setup()
eq({4, 5, 6}, eval('rpcrequest('..cid..', "scall", 1, 2, 3)'))
stop()
end
local function on_request(method, args)
eq('scall', method)
eq({1, 2, 3}, args)
nvim('command', 'let g:result = [4, 5, 6]')
return eval('g:result')
end
run(on_request, nil, on_setup)
end)
end)
describe('recursive call', function()
it('works', function()
local function on_setup()
nvim('set_var', 'result1', 0)
nvim('set_var', 'result2', 0)
nvim('set_var', 'result3', 0)
nvim('set_var', 'result4', 0)
nvim('command', 'let g:result1 = rpcrequest('..cid..', "rcall", 2)')
eq(4, nvim('get_var', 'result1'))
eq(8, nvim('get_var', 'result2'))
eq(16, nvim('get_var', 'result3'))
eq(32, nvim('get_var', 'result4'))
stop()
end
local function on_request(method, args)
eq('rcall', method)
local n = unpack(args) * 2
if n <= 16 then
local cmd
if n == 4 then
cmd = 'let g:result2 = rpcrequest('..cid..', "rcall", '..n..')'
elseif n == 8 then
cmd = 'let g:result3 = rpcrequest('..cid..', "rcall", '..n..')'
elseif n == 16 then
cmd = 'let g:result4 = rpcrequest('..cid..', "rcall", '..n..')'
end
nvim('command', cmd)
end
return n
end
run(on_request, nil, on_setup)
end)
end)
end)
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