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local helpers = require('test.functional.helpers')(nil)
local clear = helpers.clear
local exec_lua = helpers.exec_lua
local run = helpers.run
local stop = helpers.stop
local NIL = helpers.NIL
local M = {}
function M.clear_notrace()
-- problem: here be dragons
-- solution: don't look too closely for dragons
clear {env={
NVIM_LUA_NOTRACK="1";
NVIM_APPNAME="nvim_lsp_test";
VIMRUNTIME=os.getenv"VIMRUNTIME";
}}
end
M.create_server_definition = [[
function _create_server(opts)
opts = opts or {}
local server = {}
server.messages = {}
function server.cmd(dispatchers)
local closing = false
local handlers = opts.handlers or {}
local srv = {}
function srv.request(method, params, callback)
table.insert(server.messages, {
method = method,
params = params,
})
local handler = handlers[method]
if handler then
local response, err = handler(method, params)
callback(err, response)
elseif method == 'initialize' then
callback(nil, {
capabilities = opts.capabilities or {}
})
elseif method == 'shutdown' then
callback(nil, nil)
end
local request_id = #server.messages
return true, request_id
end
function srv.notify(method, params)
table.insert(server.messages, {
method = method,
params = params
})
if method == 'exit' then
dispatchers.on_exit(0, 15)
end
end
function srv.is_closing()
return closing
end
function srv.terminate()
closing = true
end
return srv
end
return server
end
]]
-- Fake LSP server.
M.fake_lsp_code = 'test/functional/fixtures/fake-lsp-server.lua'
M.fake_lsp_logfile = 'Xtest-fake-lsp.log'
local function fake_lsp_server_setup(test_name, timeout_ms, options, settings)
exec_lua([=[
lsp = require('vim.lsp')
local test_name, fake_lsp_code, fake_lsp_logfile, timeout, options, settings = ...
TEST_RPC_CLIENT_ID = lsp.start_client {
cmd_env = {
NVIM_LOG_FILE = fake_lsp_logfile;
NVIM_LUA_NOTRACK = "1";
NVIM_APPNAME = "nvim_lsp_test";
};
cmd = {
vim.v.progpath, '-l', fake_lsp_code, test_name, tostring(timeout),
};
handlers = setmetatable({}, {
__index = function(t, method)
return function(...)
return vim.rpcrequest(1, 'handler', ...)
end
end;
});
workspace_folders = {{
uri = 'file://' .. vim.uv.cwd(),
name = 'test_folder',
}};
on_init = function(client, result)
TEST_RPC_CLIENT = client
vim.rpcrequest(1, "init", result)
end;
flags = {
allow_incremental_sync = options.allow_incremental_sync or false;
debounce_text_changes = options.debounce_text_changes or 0;
};
settings = settings;
on_exit = function(...)
vim.rpcnotify(1, "exit", ...)
end;
}
]=], test_name, M.fake_lsp_code, M.fake_lsp_logfile, timeout_ms or 1e3, options or {}, settings or {})
end
function M.test_rpc_server(config)
if config.test_name then
M.clear_notrace()
fake_lsp_server_setup(config.test_name, config.timeout_ms or 1e3, config.options, config.settings)
end
local client = setmetatable({}, {
__index = function(_, name)
-- Workaround for not being able to yield() inside __index for Lua 5.1 :(
-- Otherwise I would just return the value here.
return function(...)
return exec_lua([=[
local name = ...
if type(TEST_RPC_CLIENT[name]) == 'function' then
return TEST_RPC_CLIENT[name](select(2, ...))
else
return TEST_RPC_CLIENT[name]
end
]=], name, ...)
end
end;
})
local code, signal
local function on_request(method, args)
if method == "init" then
if config.on_init then
config.on_init(client, unpack(args))
end
return NIL
end
if method == 'handler' then
if config.on_handler then
config.on_handler(unpack(args))
end
end
return NIL
end
local function on_notify(method, args)
if method == 'exit' then
code, signal = unpack(args)
return stop()
end
end
-- TODO specify timeout?
-- run(on_request, on_notify, config.on_setup, 1000)
run(on_request, on_notify, config.on_setup)
if config.on_exit then
config.on_exit(code, signal)
end
stop()
if config.test_name then
exec_lua("vim.api.nvim_exec_autocmds('VimLeavePre', { modeline = false })")
end
end
return M
|
