neovim/test/functional/plugin/lsp_spec.lua
2022-12-04 15:39:22 +01:00

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local helpers = require('test.functional.helpers')(after_each)
local assert_log = helpers.assert_log
local clear = helpers.clear
local buf_lines = helpers.buf_lines
local command = helpers.command
local dedent = helpers.dedent
local exec_lua = helpers.exec_lua
local eq = helpers.eq
local eval = helpers.eval
local matches = helpers.matches
local pcall_err = helpers.pcall_err
local pesc = helpers.pesc
local insert = helpers.insert
local funcs = helpers.funcs
local retry = helpers.retry
local NIL = helpers.NIL
local read_file = require('test.helpers').read_file
local write_file = require('test.helpers').write_file
local is_ci = helpers.is_ci
local meths = helpers.meths
local is_os = helpers.is_os
local skip = helpers.skip
-- Use these to get access to a coroutine so that I can run async tests and use
-- yield.
local run, stop = helpers.run, helpers.stop
-- TODO(justinmk): hangs on Windows https://github.com/neovim/neovim/pull/11837
if skip(is_os('win')) then return end
-- Fake LSP server.
local fake_lsp_code = 'test/functional/fixtures/fake-lsp-server.lua'
local fake_lsp_logfile = 'Xtest-fake-lsp.log'
teardown(function()
os.remove(fake_lsp_logfile)
end)
local function clear_notrace()
-- problem: here be dragons
-- solution: don't look for dragons to closely
clear {env={
NVIM_LUA_NOTRACK="1";
VIMRUNTIME=os.getenv"VIMRUNTIME";
}}
end
local 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 = handler(method, params)
if response then
callback(nill, response)
end
elseif method == 'initialize' then
callback(nil, {
capabilities = opts.capabilities or {}
})
elseif method == 'shutdown' then
callback(nil, nil)
end
end
function srv.notify(method, params)
end
function srv.is_closing()
return closing
end
function srv.terminate()
closing = true
end
return srv
end
return server
end
]]
local function fake_lsp_server_setup(test_name, timeout_ms, options, settings)
exec_lua([=[
lsp = require('vim.lsp')
local test_name, fixture_filename, logfile, timeout, options, settings = ...
TEST_RPC_CLIENT_ID = lsp.start_client {
cmd_env = {
NVIM_LOG_FILE = logfile;
NVIM_LUA_NOTRACK = "1";
};
cmd = {
vim.v.progpath, '-Es', '-u', 'NONE', '--headless',
"-c", string.format("lua TEST_NAME = %q", test_name),
"-c", string.format("lua TIMEOUT = %d", timeout),
"-c", "luafile "..fixture_filename,
};
handlers = setmetatable({}, {
__index = function(t, method)
return function(...)
return vim.rpcrequest(1, 'handler', ...)
end
end;
});
workspace_folders = {{
uri = 'file://' .. vim.loop.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, fake_lsp_code, fake_lsp_logfile, timeout_ms or 1e3, options or {}, settings or {})
end
local function test_rpc_server(config)
if config.test_name then
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
describe('LSP', function()
before_each(function()
clear_notrace()
-- Run an instance of nvim on the file which contains our "scripts".
-- Pass TEST_NAME to pick the script.
local test_name = "basic_init"
exec_lua([=[
lsp = require('vim.lsp')
local test_name, fixture_filename, logfile = ...
function test__start_client()
return lsp.start_client {
cmd_env = {
NVIM_LOG_FILE = logfile;
};
cmd = {
vim.v.progpath, '-Es', '-u', 'NONE', '--headless',
"-c", string.format("lua TEST_NAME = %q", test_name),
"-c", "luafile "..fixture_filename;
};
workspace_folders = {{
uri = 'file://' .. vim.loop.cwd(),
name = 'test_folder',
}};
}
end
TEST_CLIENT1 = test__start_client()
]=], test_name, fake_lsp_code, fake_lsp_logfile)
end)
after_each(function()
exec_lua("vim.api.nvim_exec_autocmds('VimLeavePre', { modeline = false })")
-- exec_lua("lsp.stop_all_clients(true)")
end)
describe('server_name specified', function()
it('start_client(), stop_client()', function()
retry(nil, 4000, function()
eq(1, exec_lua('return #lsp.get_active_clients()'))
end)
eq(2, exec_lua([[
TEST_CLIENT2 = test__start_client()
return TEST_CLIENT2
]]))
eq(3, exec_lua([[
TEST_CLIENT3 = test__start_client()
return TEST_CLIENT3
]]))
retry(nil, 4000, function()
eq(3, exec_lua('return #lsp.get_active_clients()'))
end)
eq(false, exec_lua('return lsp.get_client_by_id(TEST_CLIENT1) == nil'))
eq(false, exec_lua('return lsp.get_client_by_id(TEST_CLIENT1).is_stopped()'))
exec_lua('return lsp.get_client_by_id(TEST_CLIENT1).stop()')
retry(nil, 4000, function()
eq(2, exec_lua('return #lsp.get_active_clients()'))
end)
eq(true, exec_lua('return lsp.get_client_by_id(TEST_CLIENT1) == nil'))
exec_lua('lsp.stop_client({TEST_CLIENT2, TEST_CLIENT3})')
retry(nil, 4000, function()
eq(0, exec_lua('return #lsp.get_active_clients()'))
end)
end)
it('stop_client() also works on client objects', function()
exec_lua([[
TEST_CLIENT2 = test__start_client()
TEST_CLIENT3 = test__start_client()
]])
retry(nil, 4000, function()
eq(3, exec_lua('return #lsp.get_active_clients()'))
end)
-- Stop all clients.
exec_lua('lsp.stop_client(lsp.get_active_clients())')
retry(nil, 4000, function()
eq(0, exec_lua('return #lsp.get_active_clients()'))
end)
end)
end)
describe('lsp._cmd_parts test', function()
local function _cmd_parts(input)
return exec_lua([[
lsp = require('vim.lsp')
return lsp._cmd_parts(...)
]], input)
end
it('should valid cmd argument', function()
eq(true, pcall(_cmd_parts, {"nvim"}))
eq(true, pcall(_cmd_parts, {"nvim", "--head"}))
end)
it('should invalid cmd argument', function()
eq('.../lsp.lua:0: cmd: expected list, got nvim',
pcall_err(_cmd_parts, 'nvim'))
eq('.../lsp.lua:0: cmd argument: expected string, got number',
pcall_err(_cmd_parts, {'nvim', 1}))
end)
end)
end)
describe('LSP', function()
describe('basic_init test', function()
after_each(function()
stop()
exec_lua("lsp.stop_client(lsp.get_active_clients(), true)")
exec_lua("vim.api.nvim_exec_autocmds('VimLeavePre', { modeline = false })")
end)
it('should run correctly', function()
local expected_handlers = {
{NIL, {}, {method="test", client_id=1}};
}
test_rpc_server {
test_name = "basic_init";
on_init = function(client, _)
-- client is a dummy object which will queue up commands to be run
-- once the server initializes. It can't accept lua callbacks or
-- other types that may be unserializable for now.
client.stop()
end;
-- If the program timed out, then code will be nil.
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
-- Note that NIL must be used here.
-- on_handler(err, method, result, client_id)
on_handler = function(...)
eq(table.remove(expected_handlers), {...})
end;
}
end)
it('should fail', function()
local expected_handlers = {
{NIL, {}, {method="test", client_id=1}};
}
test_rpc_server {
test_name = "basic_init";
on_init = function(client)
client.notify('test')
client.stop()
end;
on_exit = function(code, signal)
eq(101, code, "exit code") -- See fake-lsp-server.lua
eq(0, signal, "exit signal")
assert_log(pesc([[assert_eq failed: left == "\"shutdown\"", right == "\"test\""]]),
fake_lsp_logfile)
end;
on_handler = function(...)
eq(table.remove(expected_handlers), {...}, "expected handler")
end;
}
end)
it('should send didChangeConfiguration after initialize if there are settings', function()
test_rpc_server({
test_name = 'basic_init_did_change_configuration',
on_init = function(client, _)
client.stop()
end,
on_exit = function(code, signal)
eq(0, code, 'exit code', fake_lsp_logfile)
eq(0, signal, 'exit signal', fake_lsp_logfile)
end,
settings = {
dummy = 1,
},
})
end)
it('should succeed with manual shutdown', function()
if is_ci() then
pending('hangs the build on CI #14028, re-enable with freeze timeout #14204')
return
elseif helpers.skip_fragile(pending) then
return
end
local expected_handlers = {
{NIL, {}, {method="shutdown", bufnr=1, client_id=1}};
{NIL, {}, {method="test", client_id=1}};
}
test_rpc_server {
test_name = "basic_init";
on_init = function(client)
eq(0, client.server_capabilities().textDocumentSync.change)
client.request('shutdown')
client.notify('exit')
client.stop()
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(...)
eq(table.remove(expected_handlers), {...}, "expected handler")
end;
}
end)
it('should detach buffer in response to nvim_buf_detach', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_finish";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
]]
eq(true, exec_lua("return lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)"))
eq(true, exec_lua("return lsp.buf_is_attached(BUFFER, TEST_RPC_CLIENT_ID)"))
exec_lua [[
vim.api.nvim_command(BUFFER.."bwipeout")
]]
end;
on_init = function(_client)
client = _client
client.notify('finish')
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
exec_lua("return lsp.buf_detach_client(BUFFER, TEST_RPC_CLIENT_ID)")
eq(false, exec_lua("return lsp.buf_is_attached(BUFFER, TEST_RPC_CLIENT_ID)"))
client.stop()
end
end;
}
end)
it('should fire autocommands on attach and detach', function()
local client
test_rpc_server {
test_name = "basic_init";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_create_autocmd('LspAttach', {
callback = function(args)
local client = vim.lsp.get_client_by_id(args.data.client_id)
vim.g.lsp_attached = client.name
end,
})
vim.api.nvim_create_autocmd('LspDetach', {
callback = function(args)
local client = vim.lsp.get_client_by_id(args.data.client_id)
vim.g.lsp_detached = client.name
end,
})
]]
end;
on_init = function(_client)
client = _client
eq(true, exec_lua("return lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)"))
client.notify('finish')
end;
on_handler = function(_, _, ctx)
if ctx.method == 'finish' then
eq('basic_init', meths.get_var('lsp_attached'))
exec_lua("return lsp.buf_detach_client(BUFFER, TEST_RPC_CLIENT_ID)")
eq('basic_init', meths.get_var('lsp_detached'))
client.stop()
end
end;
}
end)
it('should detach buffer on bufwipe', function()
clear()
exec_lua(create_server_definition)
local result = exec_lua([[
local server = _create_server()
local bufnr = vim.api.nvim_create_buf(false, true)
vim.api.nvim_set_current_buf(bufnr)
local client_id = vim.lsp.start({ name = 'detach-dummy', cmd = server.cmd })
assert(client_id, "lsp.start must return client_id")
local client = vim.lsp.get_client_by_id(client_id)
local num_attached_before = vim.tbl_count(client.attached_buffers)
vim.api.nvim_buf_delete(bufnr, { force = true })
local num_attached_after = vim.tbl_count(client.attached_buffers)
return {
bufnr = bufnr,
client_id = client_id,
num_attached_before = num_attached_before,
num_attached_after = num_attached_after,
}
]])
eq(true, result ~= nil, "exec_lua must return result")
eq(1, result.num_attached_before)
eq(0, result.num_attached_after)
end)
it('client should return settings via workspace/configuration handler', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, { items = {
{ section = "testSetting1" };
{ section = "testSetting2" };
{ section = "test.Setting3" };
{ section = "test.Setting4" };
}}, { method="workspace/configuration", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "check_workspace_configuration";
on_init = function(_client)
client = _client
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'start' then
exec_lua([=[
local client = vim.lsp.get_client_by_id(TEST_RPC_CLIENT_ID)
client.config.settings = {
testSetting1 = true;
testSetting2 = false;
test = {Setting3 = 'nested' };
}]=])
end
if ctx.method == 'workspace/configuration' then
local server_result = exec_lua([=[
local method, params = ...
return require'vim.lsp.handlers'['workspace/configuration'](err, params, {method=method, client_id=TEST_RPC_CLIENT_ID})]=], ctx.method, result)
client.notify('workspace/configuration', server_result)
end
if ctx.method == 'shutdown' then
client.stop()
end
end;
}
end)
it('workspace/configuration returns NIL per section if client was started without config.settings', function()
local result = nil
test_rpc_server {
test_name = 'basic_init';
on_init = function(c) c.stop() end,
on_setup = function()
result = exec_lua [[
local result = {
items = {
{section = 'foo'},
{section = 'bar'},
}
}
return vim.lsp.handlers['workspace/configuration'](nil, result, {client_id=TEST_RPC_CLIENT_ID})
]]
end
}
eq({ NIL, NIL }, result)
end)
it('should verify capabilities sent', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
}
test_rpc_server {
test_name = "basic_check_capabilities";
on_init = function(client)
client.stop()
local full_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(full_kind, client.server_capabilities().textDocumentSync.change)
eq({includeText = false}, client.server_capabilities().textDocumentSync.save)
eq(false, client.server_capabilities().codeLensProvider)
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(...)
eq(table.remove(expected_handlers), {...}, "expected handler")
end;
}
end)
it('BufWritePost sends didSave with bool textDocumentSync.save', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "text_document_sync_save_bool";
on_init = function(c)
client = c
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == "start" then
exec_lua([=[
BUFFER = vim.api.nvim_get_current_buf()
lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)
vim.api.nvim_exec_autocmds('BufWritePost', { buffer = BUFFER, modeline = false })
]=])
else
client.stop()
end
end;
}
end)
it('saveas sends didOpen if filename changed', function()
local expected_handlers = {
{ NIL, {}, { method = 'shutdown', client_id = 1 } },
{ NIL, {}, { method = 'start', client_id = 1 } },
}
local client
test_rpc_server({
test_name = 'text_document_save_did_open',
on_init = function(c)
client = c
end,
on_exit = function(code, signal)
eq(0, code, 'exit code')
eq(0, signal, 'exit signal')
end,
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), { err, result, ctx }, 'expected handler')
if ctx.method == 'start' then
local tmpfile_old = helpers.tmpname()
local tmpfile_new = helpers.tmpname()
os.remove(tmpfile_new)
exec_lua(
[=[
local oldname, newname = ...
BUFFER = vim.api.nvim_get_current_buf()
vim.api.nvim_buf_set_name(BUFFER, oldname)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, true, {"help me"})
lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)
vim.api.nvim_buf_call(BUFFER, function() vim.cmd('saveas ' .. newname) end)
]=],
tmpfile_old,
tmpfile_new
)
else
client.stop()
end
end,
})
end)
it('BufWritePost sends didSave including text if server capability is set', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "text_document_sync_save_includeText";
on_init = function(c)
client = c
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == "start" then
exec_lua([=[
BUFFER = vim.api.nvim_get_current_buf()
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, true, {"help me"})
lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)
vim.api.nvim_exec_autocmds('BufWritePost', { buffer = BUFFER, modeline = false })
]=])
else
client.stop()
end
end;
}
end)
it('client.supports_methods() should validate capabilities', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
}
test_rpc_server {
test_name = "capabilities_for_client_supports_method";
on_init = function(client)
client.stop()
local expected_sync_capabilities = {
change = 1,
openClose = true,
save = { includeText = false },
willSave = false,
willSaveWaitUntil = false,
}
eq(expected_sync_capabilities, client.server_capabilities().textDocumentSync)
eq(true, client.server_capabilities().completionProvider)
eq(true, client.server_capabilities().hoverProvider)
eq(false, client.server_capabilities().definitionProvider)
eq(false, client.server_capabilities().renameProvider)
eq(true, client.server_capabilities().codeLensProvider.resolveProvider)
-- known methods for resolved capabilities
eq(true, client.supports_method("textDocument/hover"))
eq(false, client.supports_method("textDocument/definition"))
-- unknown methods are assumed to be supported.
eq(true, client.supports_method("unknown-method"))
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(...)
eq(table.remove(expected_handlers), {...}, "expected handler")
end;
}
end)
it('should not call unsupported_method when trying to call an unsupported method', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
}
test_rpc_server {
test_name = "capabilities_for_client_supports_method";
on_setup = function()
exec_lua([=[
BUFFER = vim.api.nvim_get_current_buf()
lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)
vim.lsp.handlers['textDocument/typeDefinition'] = function() end
]=])
end;
on_init = function(client)
client.stop()
exec_lua("vim.lsp.buf.type_definition()")
exec_lua [[
vim.api.nvim_command(BUFFER.."bwipeout")
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(...)
eq(table.remove(expected_handlers), {...}, "expected handler")
end;
}
end)
it('should not call unsupported_method when no client and trying to call an unsupported method', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
}
test_rpc_server {
test_name = "capabilities_for_client_supports_method";
on_setup = function()
exec_lua([=[
vim.lsp.handlers['textDocument/typeDefinition'] = function() end
]=])
end;
on_init = function(client)
client.stop()
exec_lua("vim.lsp.buf.type_definition()")
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(...)
eq(table.remove(expected_handlers), {...}, "expected handler")
end;
}
end)
it('should not forward RequestCancelled to callback', function()
local expected_handlers = {
{NIL, {}, {method="finish", client_id=1}};
}
local client
test_rpc_server {
test_name = "check_forward_request_cancelled";
on_init = function(_client)
_client.request("error_code_test")
client = _client
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
eq(0, #expected_handlers, "did not call expected handler")
end;
on_handler = function(err, _, ctx)
eq(table.remove(expected_handlers), {err, {}, ctx}, "expected handler")
if ctx.method == 'finish' then client.stop() end
end;
}
end)
it('should forward ContentModified to callback', function()
local expected_handlers = {
{NIL, {}, {method="finish", client_id=1}};
{{code = -32801}, NIL, {method = "error_code_test", bufnr=1, client_id=1}};
}
local client
test_rpc_server {
test_name = "check_forward_content_modified";
on_init = function(_client)
_client.request("error_code_test")
client = _client
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
eq(0, #expected_handlers, "did not call expected handler")
end;
on_handler = function(err, _, ctx)
eq(table.remove(expected_handlers), {err, _, ctx}, "expected handler")
-- if ctx.method == 'error_code_test' then client.notify("finish") end
if ctx.method ~= 'finish' then client.notify('finish') end
if ctx.method == 'finish' then client.stop() end
end;
}
end)
it('should track pending requests to the language server', function()
local expected_handlers = {
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="slow_request", bufnr=1, client_id=1}};
}
local client
test_rpc_server {
test_name = "check_pending_request_tracked";
on_init = function(_client)
client = _client
client.request("slow_request")
local request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq("slow_request", request.method)
eq("pending", request.type)
client.notify("release")
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
eq(0, #expected_handlers, "did not call expected handler")
end;
on_handler = function(err, _, ctx)
eq(table.remove(expected_handlers), {err, {}, ctx}, "expected handler")
if ctx.method == 'slow_request' then
local request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq(NIL, request)
client.notify("finish")
end
if ctx.method == 'finish' then client.stop() end
end;
}
end)
it('should track cancel requests to the language server', function()
local expected_handlers = {
{NIL, {}, {method="finish", client_id=1}};
}
local client
test_rpc_server {
test_name = "check_cancel_request_tracked";
on_init = function(_client)
client = _client
client.request("slow_request")
client.cancel_request(2)
local request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq("slow_request", request.method)
eq("cancel", request.type)
client.notify("release")
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
eq(0, #expected_handlers, "did not call expected handler")
end;
on_handler = function(err, _, ctx)
eq(table.remove(expected_handlers), {err, {}, ctx}, "expected handler")
local request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq(NIL, request)
if ctx.method == 'finish' then client.stop() end
end;
}
end)
it('should clear pending and cancel requests on reply', function()
local expected_handlers = {
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="slow_request", bufnr=1, client_id=1}};
}
local client
test_rpc_server {
test_name = "check_tracked_requests_cleared";
on_init = function(_client)
client = _client
client.request("slow_request")
local request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq("slow_request", request.method)
eq("pending", request.type)
client.cancel_request(2)
request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq("slow_request", request.method)
eq("cancel", request.type)
client.notify("release")
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
eq(0, #expected_handlers, "did not call expected handler")
end;
on_handler = function(err, _, ctx)
eq(table.remove(expected_handlers), {err, {}, ctx}, "expected handler")
if ctx.method == 'slow_request' then
local request = exec_lua([=[ return TEST_RPC_CLIENT.requests[2] ]=])
eq(NIL, request)
client.notify("finish")
end
if ctx.method == 'finish' then client.stop() end
end;
}
end)
it('should trigger LspRequest autocmd when requests table changes', function()
local expected_handlers = {
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="slow_request", bufnr=1, client_id=1}};
}
local client
test_rpc_server {
test_name = "check_tracked_requests_cleared";
on_init = function(_client)
command('let g:requests = 0')
command('autocmd User LspRequest let g:requests+=1')
client = _client
client.request("slow_request")
eq(1, eval('g:requests'))
client.cancel_request(2)
eq(2, eval('g:requests'))
client.notify("release")
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
eq(0, #expected_handlers, "did not call expected handler")
eq(3, eval('g:requests'))
end;
on_handler = function(err, _, ctx)
eq(table.remove(expected_handlers), {err, {}, ctx}, "expected handler")
if ctx.method == 'slow_request' then
client.notify("finish")
end
if ctx.method == 'finish' then client.stop() end
end;
}
end)
it('should not send didOpen if the buffer closes before init', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_finish";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
eq(1, exec_lua("return TEST_RPC_CLIENT_ID"))
eq(true, exec_lua("return lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID)"))
eq(true, exec_lua("return lsp.buf_is_attached(BUFFER, TEST_RPC_CLIENT_ID)"))
exec_lua [[
vim.api.nvim_command(BUFFER.."bwipeout")
]]
end;
on_init = function(_client)
client = _client
local full_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(full_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
client.notify('finish')
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body sent attaching before init', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_init = function(_client)
client = _client
local full_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(full_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(not lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID), "Shouldn't attach twice")
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body sent attaching after init', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local full_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(full_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body and didChange full', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local full_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(full_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
exec_lua [[
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"boop";
})
]]
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body and didChange full with noeol', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change_noeol";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
vim.api.nvim_buf_set_option(BUFFER, 'eol', false)
]]
end;
on_init = function(_client)
client = _client
local full_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(full_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
exec_lua [[
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"boop";
})
]]
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body and didChange incremental', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change_incremental";
options = {
allow_incremental_sync = true,
};
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local sync_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Incremental")
eq(sync_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
exec_lua [[
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"123boop";
})
]]
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body and didChange incremental with debounce', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change_incremental";
options = {
allow_incremental_sync = true,
debounce_text_changes = 5
};
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local sync_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Incremental")
eq(sync_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
exec_lua [[
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"123boop";
})
]]
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
-- TODO(askhan) we don't support full for now, so we can disable these tests.
pending('should check the body and didChange incremental normal mode editing', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", bufnr=1, client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change_incremental_editing";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local sync_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Incremental")
eq(sync_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
helpers.command("normal! 1Go")
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body and didChange full with 2 changes', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change_multi";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local sync_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(sync_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
if ctx.method == 'start' then
exec_lua [[
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"321";
})
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"boop";
})
]]
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
it('should check the body and didChange full lifecycle', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_check_buffer_open_and_change_multi_and_close";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
local sync_kind = exec_lua("return require'vim.lsp.protocol'.TextDocumentSyncKind.Full")
eq(sync_kind, client.server_capabilities().textDocumentSync.change)
eq(true, client.server_capabilities().textDocumentSync.openClose)
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result,ctx)
if ctx.method == 'start' then
exec_lua [[
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"321";
})
vim.api.nvim_buf_set_lines(BUFFER, 1, 2, false, {
"boop";
})
vim.api.nvim_command(BUFFER.."bwipeout")
]]
client.notify('finish')
end
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
end)
describe("parsing tests", function()
it('should handle invalid content-length correctly', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "invalid_header";
on_setup = function()
end;
on_init = function(_client)
client = _client
client.stop(true)
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
end;
}
end)
it('should not trim vim.NIL from the end of a list', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="finish", client_id=1}};
{NIL,{
arguments = { "EXTRACT_METHOD", {metadata = {}}, 3, 0, 6123, NIL },
command = "refactor.perform",
title = "EXTRACT_METHOD"
}, {method="workspace/executeCommand", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "decode_nil";
on_setup = function()
exec_lua [[
BUFFER = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_lines(BUFFER, 0, -1, false, {
"testing";
"123";
})
]]
end;
on_init = function(_client)
client = _client
exec_lua [[
assert(lsp.buf_attach_client(BUFFER, TEST_RPC_CLIENT_ID))
]]
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'finish' then
client.stop()
end
end;
}
end)
end)
end)
describe('LSP', function()
before_each(function()
clear_notrace()
end)
local function make_edit(y_0, x_0, y_1, x_1, text)
return {
range = {
start = { line = y_0, character = x_0 };
["end"] = { line = y_1, character = x_1 };
};
newText = type(text) == 'table' and table.concat(text, '\n') or (text or "");
}
end
describe('apply_text_edits', function()
before_each(function()
insert(dedent([[
First line of text
Second line of text
Third line of text
Fourth line of text
å å ɧ 汉语 ↥ 🤦 🦄]]))
end)
it('applies simple edits', function()
local edits = {
make_edit(0, 0, 0, 0, {"123"});
make_edit(1, 0, 1, 1, {"2"});
make_edit(2, 0, 2, 2, {"3"});
make_edit(3, 2, 3, 4, {""});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'123First line of text';
'2econd line of text';
'3ird line of text';
'Foth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
end)
it('applies complex edits', function()
local edits = {
make_edit(0, 0, 0, 0, {"", "12"});
make_edit(0, 0, 0, 0, {"3", "foo"});
make_edit(0, 1, 0, 1, {"bar", "123"});
make_edit(0, #"First ", 0, #"First line of text", {"guy"});
make_edit(1, 0, 1, #'Second', {"baz"});
make_edit(2, #'Th', 2, #"Third", {"e next"});
make_edit(3, #'', 3, #"Fourth", {"another line of text", "before this"});
make_edit(3, #'Fourth', 3, #"Fourth line of text", {"!"});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'';
'123';
'fooFbar';
'123irst guy';
'baz line of text';
'The next line of text';
'another line of text';
'before this!';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
end)
it('applies complex edits (reversed range)', function()
local edits = {
make_edit(0, 0, 0, 0, {"", "12"});
make_edit(0, 0, 0, 0, {"3", "foo"});
make_edit(0, 1, 0, 1, {"bar", "123"});
make_edit(0, #"First line of text", 0, #"First ", {"guy"});
make_edit(1, #'Second', 1, 0, {"baz"});
make_edit(2, #"Third", 2, #'Th', {"e next"});
make_edit(3, #"Fourth", 3, #'', {"another line of text", "before this"});
make_edit(3, #"Fourth line of text", 3, #'Fourth', {"!"});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'';
'123';
'fooFbar';
'123irst guy';
'baz line of text';
'The next line of text';
'another line of text';
'before this!';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
end)
it('applies non-ASCII characters edits', function()
local edits = {
make_edit(4, 3, 4, 4, {"ä"});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Second line of text';
'Third line of text';
'Fourth line of text';
'å ä ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
end)
it('applies text edits at the end of the document', function()
local edits = {
make_edit(5, 0, 5, 0, "foobar");
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Second line of text';
'Third line of text';
'Fourth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
'foobar';
}, buf_lines(1))
end)
it('applies multiple text edits at the end of the document', function()
local edits = {
make_edit(4, 0, 5, 0, "");
make_edit(5, 0, 5, 0, "foobar");
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Second line of text';
'Third line of text';
'Fourth line of text';
'foobar';
}, buf_lines(1))
end)
describe('cursor position', function()
it('don\'t fix the cursor if the range contains the cursor', function()
funcs.nvim_win_set_cursor(0, { 2, 6 })
local edits = {
make_edit(1, 0, 1, 19, 'Second line of text')
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Second line of text';
'Third line of text';
'Fourth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
eq({ 2, 6 }, funcs.nvim_win_get_cursor(0))
end)
it('fix the cursor to the valid col if the content was removed', function()
funcs.nvim_win_set_cursor(0, { 2, 6 })
local edits = {
make_edit(1, 0, 1, 6, ''),
make_edit(1, 6, 1, 19, '')
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'';
'Third line of text';
'Fourth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
eq({ 2, 0 }, funcs.nvim_win_get_cursor(0))
end)
it('fix the cursor to the valid row if the content was removed', function()
funcs.nvim_win_set_cursor(0, { 2, 6 })
local edits = {
make_edit(1, 0, 1, 6, ''),
make_edit(0, 18, 5, 0, '')
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
}, buf_lines(1))
eq({ 1, 6 }, funcs.nvim_win_get_cursor(0))
end)
it('fix the cursor row', function()
funcs.nvim_win_set_cursor(0, { 3, 0 })
local edits = {
make_edit(1, 0, 2, 0, '')
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Third line of text';
'Fourth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
eq({ 2, 0 }, funcs.nvim_win_get_cursor(0))
end)
it('fix the cursor col', function()
funcs.nvim_win_set_cursor(0, { 2, 11 })
local edits = {
make_edit(1, 7, 1, 11, '')
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Second of text';
'Third line of text';
'Fourth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
eq({ 2, 7 }, funcs.nvim_win_get_cursor(0))
end)
it('fix the cursor row and col', function()
funcs.nvim_win_set_cursor(0, { 2, 12 })
local edits = {
make_edit(0, 11, 1, 12, '')
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({
'First line of text';
'Third line of text';
'Fourth line of text';
'å å ɧ 汉语 ↥ 🤦 🦄';
}, buf_lines(1))
eq({ 1, 11 }, funcs.nvim_win_get_cursor(0))
end)
end)
describe('with LSP end line after what Vim considers to be the end line', function()
it('applies edits when the last linebreak is considered a new line', function()
local edits = {
make_edit(0, 0, 5, 0, {"All replaced"});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({'All replaced'}, buf_lines(1))
end)
it('applies edits when the end line is 2 larger than vim\'s', function()
local edits = {
make_edit(0, 0, 6, 0, {"All replaced"});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({'All replaced'}, buf_lines(1))
end)
it('applies edits with a column offset', function()
local edits = {
make_edit(0, 0, 5, 2, {"All replaced"});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-16")
eq({'All replaced'}, buf_lines(1))
end)
end)
end)
describe('apply_text_edits regression tests for #20116', function()
before_each(function()
insert(dedent([[
Test line one
Test line two 21 char]]))
end)
describe('with LSP end column out of bounds and start column at 0', function()
it('applies edits at the end of the buffer', function()
local edits = {
make_edit(0, 0, 1, 22, {'#include "whatever.h"\r\n#include <algorithm>\r'});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-8")
eq({'#include "whatever.h"', '#include <algorithm>'}, buf_lines(1))
end)
it('applies edits in the middle of the buffer', function()
local edits = {
make_edit(0, 0, 0, 22, {'#include "whatever.h"\r\n#include <algorithm>\r'});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-8")
eq({'#include "whatever.h"', '#include <algorithm>', 'Test line two 21 char'}, buf_lines(1))
end)
end)
describe('with LSP end column out of bounds and start column NOT at 0', function()
it('applies edits at the end of the buffer', function()
local edits = {
make_edit(0, 2, 1, 22, {'#include "whatever.h"\r\n#include <algorithm>\r'});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-8")
eq({'Te#include "whatever.h"', '#include <algorithm>'}, buf_lines(1))
end)
it('applies edits in the middle of the buffer', function()
local edits = {
make_edit(0, 2, 0, 22, {'#include "whatever.h"\r\n#include <algorithm>\r'});
}
exec_lua('vim.lsp.util.apply_text_edits(...)', edits, 1, "utf-8")
eq({'Te#include "whatever.h"', '#include <algorithm>', 'Test line two 21 char'}, buf_lines(1))
end)
end)
end)
describe('apply_text_document_edit', function()
local target_bufnr
local text_document_edit = function(editVersion)
return {
edits = {
make_edit(0, 0, 0, 3, "First ↥ 🤦 🦄")
},
textDocument = {
uri = "file:///fake/uri";
version = editVersion
}
}
end
before_each(function()
target_bufnr = exec_lua [[
local bufnr = vim.uri_to_bufnr("file:///fake/uri")
local lines = {"1st line of text", "2nd line of 语text"}
vim.api.nvim_buf_set_lines(bufnr, 0, 1, false, lines)
return bufnr
]]
end)
it('correctly goes ahead with the edit if all is normal', function()
exec_lua("vim.lsp.util.apply_text_document_edit(..., nil, 'utf-16')", text_document_edit(5))
eq({
'First ↥ 🤦 🦄 line of text';
'2nd line of 语text';
}, buf_lines(target_bufnr))
end)
it('always accepts edit with version = 0', function()
exec_lua([[
local args = {...}
local bufnr = select(1, ...)
local text_edit = select(2, ...)
vim.lsp.util.buf_versions[bufnr] = 10
vim.lsp.util.apply_text_document_edit(text_edit, nil, 'utf-16')
]], target_bufnr, text_document_edit(0))
eq({
'First ↥ 🤦 🦄 line of text';
'2nd line of 语text';
}, buf_lines(target_bufnr))
end)
it('skips the edit if the version of the edit is behind the local buffer ', function()
local apply_edit_mocking_current_version = function(edit, versionedBuf)
exec_lua([[
local args = {...}
local versionedBuf = args[2]
vim.lsp.util.buf_versions[versionedBuf.bufnr] = versionedBuf.currentVersion
vim.lsp.util.apply_text_document_edit(args[1], nil, 'utf-16')
]], edit, versionedBuf)
end
local baseText = {
'1st line of text';
'2nd line of 语text';
}
eq(baseText, buf_lines(target_bufnr))
-- Apply an edit for an old version, should skip
apply_edit_mocking_current_version(text_document_edit(2), {currentVersion=7; bufnr=target_bufnr})
eq(baseText, buf_lines(target_bufnr)) -- no change
-- Sanity check that next version to current does apply change
apply_edit_mocking_current_version(text_document_edit(8), {currentVersion=7; bufnr=target_bufnr})
eq({
'First ↥ 🤦 🦄 line of text';
'2nd line of 语text';
}, buf_lines(target_bufnr))
end)
end)
describe('workspace_apply_edit', function()
it('workspace/applyEdit returns ApplyWorkspaceEditResponse', function()
local expected_handlers = {
{NIL, {}, {method="test", client_id=1}};
}
test_rpc_server {
test_name = "basic_init";
on_init = function(client, _)
client.stop()
end;
-- If the program timed out, then code will be nil.
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
-- Note that NIL must be used here.
-- on_handler(err, method, result, client_id)
on_handler = function(...)
local expected = {
applied = true;
failureReason = nil;
}
eq(expected, exec_lua [[
local apply_edit = {
label = nil;
edit = {};
}
return vim.lsp.handlers['workspace/applyEdit'](nil, apply_edit, {client_id = TEST_RPC_CLIENT_ID})
]])
eq(table.remove(expected_handlers), {...})
end;
}
end)
end)
describe('apply_workspace_edit', function()
local replace_line_edit = function(row, new_line, editVersion)
return {
edits = {
-- NOTE: This is a hack if you have a line longer than 1000 it won't replace it
make_edit(row, 0, row, 1000, new_line)
},
textDocument = {
uri = "file:///fake/uri";
version = editVersion
}
}
end
-- Some servers send all the edits separately, but with the same version.
-- We should not stop applying the edits
local make_workspace_edit = function(changes)
return {
documentChanges = changes
}
end
local target_bufnr, changedtick = nil, nil
before_each(function()
local ret = exec_lua [[
local bufnr = vim.uri_to_bufnr("file:///fake/uri")
local lines = {
"Original Line #1",
"Original Line #2"
}
vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
local update_changed_tick = function()
vim.lsp.util.buf_versions[bufnr] = vim.api.nvim_buf_get_var(bufnr, 'changedtick')
end
update_changed_tick()
vim.api.nvim_buf_attach(bufnr, false, {
on_changedtick = function()
update_changed_tick()
end
})
return {bufnr, vim.api.nvim_buf_get_var(bufnr, 'changedtick')}
]]
target_bufnr = ret[1]
changedtick = ret[2]
end)
it('apply_workspace_edit applies a single edit', function()
local new_lines = {
"First Line",
}
local edits = {}
for row, line in ipairs(new_lines) do
table.insert(edits, replace_line_edit(row - 1, line, changedtick))
end
eq({
"First Line",
"Original Line #2",
}, exec_lua([[
local args = {...}
local workspace_edits = args[1]
local target_bufnr = args[2]
vim.lsp.util.apply_workspace_edit(workspace_edits, 'utf-16')
return vim.api.nvim_buf_get_lines(target_bufnr, 0, -1, false)
]], make_workspace_edit(edits), target_bufnr))
end)
it('apply_workspace_edit applies multiple edits', function()
local new_lines = {
"First Line",
"Second Line",
}
local edits = {}
for row, line in ipairs(new_lines) do
table.insert(edits, replace_line_edit(row - 1, line, changedtick))
end
eq(new_lines, exec_lua([[
local args = {...}
local workspace_edits = args[1]
local target_bufnr = args[2]
vim.lsp.util.apply_workspace_edit(workspace_edits, 'utf-16')
return vim.api.nvim_buf_get_lines(target_bufnr, 0, -1, false)
]], make_workspace_edit(edits), target_bufnr))
end)
it('Supports file creation with CreateFile payload', function()
local tmpfile = helpers.tmpname()
os.remove(tmpfile) -- Should not exist, only interested in a tmpname
local uri = exec_lua('return vim.uri_from_fname(...)', tmpfile)
local edit = {
documentChanges = {
{
kind = 'create',
uri = uri,
},
}
}
exec_lua('vim.lsp.util.apply_workspace_edit(...)', edit, 'utf-16')
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', tmpfile))
end)
it('Supports file creation in folder that needs to be created with CreateFile payload', function()
local tmpfile = helpers.tmpname()
os.remove(tmpfile) -- Should not exist, only interested in a tmpname
tmpfile = tmpfile .. '/dummy/x/'
local uri = exec_lua('return vim.uri_from_fname(...)', tmpfile)
local edit = {
documentChanges = {
{
kind = 'create',
uri = uri,
},
}
}
exec_lua('vim.lsp.util.apply_workspace_edit(...)', edit, 'utf-16')
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', tmpfile))
end)
it('createFile does not touch file if it exists and ignoreIfExists is set', function()
local tmpfile = helpers.tmpname()
write_file(tmpfile, 'Dummy content')
local uri = exec_lua('return vim.uri_from_fname(...)', tmpfile)
local edit = {
documentChanges = {
{
kind = 'create',
uri = uri,
options = {
ignoreIfExists = true,
},
},
}
}
exec_lua('vim.lsp.util.apply_workspace_edit(...)', edit, 'utf-16')
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', tmpfile))
eq('Dummy content', read_file(tmpfile))
end)
it('createFile overrides file if overwrite is set', function()
local tmpfile = helpers.tmpname()
write_file(tmpfile, 'Dummy content')
local uri = exec_lua('return vim.uri_from_fname(...)', tmpfile)
local edit = {
documentChanges = {
{
kind = 'create',
uri = uri,
options = {
overwrite = true,
ignoreIfExists = true, -- overwrite must win over ignoreIfExists
},
},
}
}
exec_lua('vim.lsp.util.apply_workspace_edit(...)', edit, 'utf-16')
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', tmpfile))
eq('', read_file(tmpfile))
end)
it('DeleteFile delete file and buffer', function()
local tmpfile = helpers.tmpname()
write_file(tmpfile, 'Be gone')
local uri = exec_lua([[
local fname = select(1, ...)
local bufnr = vim.fn.bufadd(fname)
vim.fn.bufload(bufnr)
return vim.uri_from_fname(fname)
]], tmpfile)
local edit = {
documentChanges = {
{
kind = 'delete',
uri = uri,
}
}
}
eq(true, pcall(exec_lua, 'vim.lsp.util.apply_workspace_edit(...)', edit, 'utf-16'))
eq(false, exec_lua('return vim.loop.fs_stat(...) ~= nil', tmpfile))
eq(false, exec_lua('return vim.api.nvim_buf_is_loaded(vim.fn.bufadd(...))', tmpfile))
end)
it('DeleteFile fails if file does not exist and ignoreIfNotExists is false', function()
local tmpfile = helpers.tmpname()
os.remove(tmpfile)
local uri = exec_lua('return vim.uri_from_fname(...)', tmpfile)
local edit = {
documentChanges = {
{
kind = 'delete',
uri = uri,
options = {
ignoreIfNotExists = false,
}
}
}
}
eq(false, pcall(exec_lua, 'vim.lsp.util.apply_workspace_edit(...)', edit))
eq(false, exec_lua('return vim.loop.fs_stat(...) ~= nil', tmpfile))
end)
end)
describe('completion_list_to_complete_items', function()
-- Completion option precedence:
-- textEdit.newText > insertText > label
-- https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_completion
it('should choose right completion option', function ()
local prefix = 'foo'
local completion_list = {
-- resolves into label
{ label='foobar', sortText="a" },
{ label='foobar', sortText="b", textEdit={} },
-- resolves into insertText
{ label='foocar', sortText="c", insertText='foobar' },
{ label='foocar', sortText="d", insertText='foobar', textEdit={} },
-- resolves into textEdit.newText
{ label='foocar', sortText="e", insertText='foodar', textEdit={newText='foobar'} },
{ label='foocar', sortText="f", textEdit={newText='foobar'} },
-- real-world snippet text
{ label='foocar', sortText="g", insertText='foodar', insertTextFormat=2, textEdit={newText='foobar(${1:place holder}, ${2:more ...holder{\\}})'} },
{ label='foocar', sortText="h", insertText='foodar(${1:var1} typ1, ${2:var2} *typ2) {$0\\}', insertTextFormat=2, textEdit={} },
-- nested snippet tokens
{ label='foocar', sortText="i", insertText='foodar(${1:var1 ${2|typ2,typ3|} ${3:tail}}) {$0\\}', insertTextFormat=2, textEdit={} },
-- braced tabstop
{ label='foocar', sortText="j", insertText='foodar()${0}', insertTextFormat=2, textEdit={} },
-- plain text
{ label='foocar', sortText="k", insertText='foodar(${1:var1})', insertTextFormat=1, textEdit={} },
}
local completion_list_items = {items=completion_list}
local expected = {
{ abbr = 'foobar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar', user_data = { nvim = { lsp = { completion_item = { label = 'foobar', sortText="a" } } } } },
{ abbr = 'foobar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar', user_data = { nvim = { lsp = { completion_item = { label='foobar', sortText="b", textEdit={} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="c", insertText='foobar' } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="d", insertText='foobar', textEdit={} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="e", insertText='foodar', textEdit={newText='foobar'} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="f", textEdit={newText='foobar'} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foobar(place holder, more ...holder{})', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="g", insertText='foodar', insertTextFormat=2, textEdit={newText='foobar(${1:place holder}, ${2:more ...holder{\\}})'} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foodar(var1 typ1, var2 *typ2) {}', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="h", insertText='foodar(${1:var1} typ1, ${2:var2} *typ2) {$0\\}', insertTextFormat=2, textEdit={} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foodar(var1 typ2 tail) {}', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="i", insertText='foodar(${1:var1 ${2|typ2,typ3|} ${3:tail}}) {$0\\}', insertTextFormat=2, textEdit={} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foodar()', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="j", insertText='foodar()${0}', insertTextFormat=2, textEdit={} } } } } },
{ abbr = 'foocar', dup = 1, empty = 1, icase = 1, info = ' ', kind = 'Unknown', menu = '', word = 'foodar(${1:var1})', user_data = { nvim = { lsp = { completion_item = { label='foocar', sortText="k", insertText='foodar(${1:var1})', insertTextFormat=1, textEdit={} } } } } },
}
eq(expected, exec_lua([[return vim.lsp.util.text_document_completion_list_to_complete_items(...)]], completion_list, prefix))
eq(expected, exec_lua([[return vim.lsp.util.text_document_completion_list_to_complete_items(...)]], completion_list_items, prefix))
eq({}, exec_lua([[return vim.lsp.util.text_document_completion_list_to_complete_items(...)]], {}, prefix))
end)
end)
describe('lsp.util.rename', function()
it('Can rename an existing file', function()
local old = helpers.tmpname()
write_file(old, 'Test content')
local new = helpers.tmpname()
os.remove(new) -- only reserve the name, file must not exist for the test scenario
local lines = exec_lua([[
local old = select(1, ...)
local new = select(2, ...)
vim.lsp.util.rename(old, new)
-- after rename the target file must have the contents of the source file
local bufnr = vim.fn.bufadd(new)
vim.fn.bufload(new)
return vim.api.nvim_buf_get_lines(bufnr, 0, -1, true)
]], old, new)
eq({'Test content'}, lines)
local exists = exec_lua('return vim.loop.fs_stat(...) ~= nil', old)
eq(false, exists)
exists = exec_lua('return vim.loop.fs_stat(...) ~= nil', new)
eq(true, exists)
os.remove(new)
end)
it('Does not rename file if target exists and ignoreIfExists is set or overwrite is false', function()
local old = helpers.tmpname()
write_file(old, 'Old File')
local new = helpers.tmpname()
write_file(new, 'New file')
exec_lua([[
local old = select(1, ...)
local new = select(2, ...)
vim.lsp.util.rename(old, new, { ignoreIfExists = true })
]], old, new)
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', old))
eq('New file', read_file(new))
exec_lua([[
local old = select(1, ...)
local new = select(2, ...)
vim.lsp.util.rename(old, new, { overwrite = false })
]], old, new)
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', old))
eq('New file', read_file(new))
end)
it('Does override target if overwrite is true', function()
local old = helpers.tmpname()
write_file(old, 'Old file')
local new = helpers.tmpname()
write_file(new, 'New file')
exec_lua([[
local old = select(1, ...)
local new = select(2, ...)
vim.lsp.util.rename(old, new, { overwrite = true })
]], old, new)
eq(false, exec_lua('return vim.loop.fs_stat(...) ~= nil', old))
eq(true, exec_lua('return vim.loop.fs_stat(...) ~= nil', new))
eq('Old file\n', read_file(new))
end)
end)
describe('lsp.util.locations_to_items', function()
it('Convert Location[] to items', function()
local expected = {
{
filename = '/fake/uri',
lnum = 1,
col = 3,
text = 'testing'
},
}
local actual = exec_lua [[
local bufnr = vim.uri_to_bufnr("file:///fake/uri")
local lines = {"testing", "123"}
vim.api.nvim_buf_set_lines(bufnr, 0, 1, false, lines)
local locations = {
{
uri = 'file:///fake/uri',
range = {
start = { line = 0, character = 2 },
['end'] = { line = 0, character = 3 },
}
},
}
return vim.lsp.util.locations_to_items(locations, 'utf-16')
]]
eq(expected, actual)
end)
it('Convert LocationLink[] to items', function()
local expected = {
{
filename = '/fake/uri',
lnum = 1,
col = 3,
text = 'testing'
},
}
local actual = exec_lua [[
local bufnr = vim.uri_to_bufnr("file:///fake/uri")
local lines = {"testing", "123"}
vim.api.nvim_buf_set_lines(bufnr, 0, 1, false, lines)
local locations = {
{
targetUri = vim.uri_from_bufnr(bufnr),
targetRange = {
start = { line = 0, character = 2 },
['end'] = { line = 0, character = 3 },
},
targetSelectionRange = {
start = { line = 0, character = 2 },
['end'] = { line = 0, character = 3 },
}
},
}
return vim.lsp.util.locations_to_items(locations, 'utf-16')
]]
eq(expected, actual)
end)
end)
describe('lsp.util.symbols_to_items', function()
describe('convert DocumentSymbol[] to items', function()
it('DocumentSymbol has children', function()
local expected = {
{
col = 1,
filename = '',
kind = 'File',
lnum = 2,
text = '[File] TestA'
},
{
col = 1,
filename = '',
kind = 'Module',
lnum = 4,
text = '[Module] TestB'
},
{
col = 1,
filename = '',
kind = 'Namespace',
lnum = 6,
text = '[Namespace] TestC'
}
}
eq(expected, exec_lua [[
local doc_syms = {
{
deprecated = false,
detail = "A",
kind = 1,
name = "TestA",
range = {
start = {
character = 0,
line = 1
},
["end"] = {
character = 0,
line = 2
}
},
selectionRange = {
start = {
character = 0,
line = 1
},
["end"] = {
character = 4,
line = 1
}
},
children = {
{
children = {},
deprecated = false,
detail = "B",
kind = 2,
name = "TestB",
range = {
start = {
character = 0,
line = 3
},
["end"] = {
character = 0,
line = 4
}
},
selectionRange = {
start = {
character = 0,
line = 3
},
["end"] = {
character = 4,
line = 3
}
}
}
}
},
{
deprecated = false,
detail = "C",
kind = 3,
name = "TestC",
range = {
start = {
character = 0,
line = 5
},
["end"] = {
character = 0,
line = 6
}
},
selectionRange = {
start = {
character = 0,
line = 5
},
["end"] = {
character = 4,
line = 5
}
}
}
}
return vim.lsp.util.symbols_to_items(doc_syms, nil)
]])
end)
it('DocumentSymbol has no children', function()
local expected = {
{
col = 1,
filename = '',
kind = 'File',
lnum = 2,
text = '[File] TestA'
},
{
col = 1,
filename = '',
kind = 'Namespace',
lnum = 6,
text = '[Namespace] TestC'
}
}
eq(expected, exec_lua [[
local doc_syms = {
{
deprecated = false,
detail = "A",
kind = 1,
name = "TestA",
range = {
start = {
character = 0,
line = 1
},
["end"] = {
character = 0,
line = 2
}
},
selectionRange = {
start = {
character = 0,
line = 1
},
["end"] = {
character = 4,
line = 1
}
},
},
{
deprecated = false,
detail = "C",
kind = 3,
name = "TestC",
range = {
start = {
character = 0,
line = 5
},
["end"] = {
character = 0,
line = 6
}
},
selectionRange = {
start = {
character = 0,
line = 5
},
["end"] = {
character = 4,
line = 5
}
}
}
}
return vim.lsp.util.symbols_to_items(doc_syms, nil)
]])
end)
end)
it('convert SymbolInformation[] to items', function()
local expected = {
{
col = 1,
filename = '/test_a',
kind = 'File',
lnum = 2,
text = '[File] TestA'
},
{
col = 1,
filename = '/test_b',
kind = 'Module',
lnum = 4,
text = '[Module] TestB'
}
}
eq(expected, exec_lua [[
local sym_info = {
{
deprecated = false,
kind = 1,
name = "TestA",
location = {
range = {
start = {
character = 0,
line = 1
},
["end"] = {
character = 0,
line = 2
}
},
uri = "file:///test_a"
},
containerName = "TestAContainer"
},
{
deprecated = false,
kind = 2,
name = "TestB",
location = {
range = {
start = {
character = 0,
line = 3
},
["end"] = {
character = 0,
line = 4
}
},
uri = "file:///test_b"
},
containerName = "TestBContainer"
}
}
return vim.lsp.util.symbols_to_items(sym_info, nil)
]])
end)
end)
describe('lsp.util._get_completion_item_kind_name', function()
it('returns the name specified by protocol', function()
eq("Text", exec_lua("return vim.lsp.util._get_completion_item_kind_name(1)"))
eq("TypeParameter", exec_lua("return vim.lsp.util._get_completion_item_kind_name(25)"))
end)
it('returns the name not specified by protocol', function()
eq("Unknown", exec_lua("return vim.lsp.util._get_completion_item_kind_name(nil)"))
eq("Unknown", exec_lua("return vim.lsp.util._get_completion_item_kind_name(vim.NIL)"))
eq("Unknown", exec_lua("return vim.lsp.util._get_completion_item_kind_name(1000)"))
end)
end)
describe('lsp.util._get_symbol_kind_name', function()
it('returns the name specified by protocol', function()
eq("File", exec_lua("return vim.lsp.util._get_symbol_kind_name(1)"))
eq("TypeParameter", exec_lua("return vim.lsp.util._get_symbol_kind_name(26)"))
end)
it('returns the name not specified by protocol', function()
eq("Unknown", exec_lua("return vim.lsp.util._get_symbol_kind_name(nil)"))
eq("Unknown", exec_lua("return vim.lsp.util._get_symbol_kind_name(vim.NIL)"))
eq("Unknown", exec_lua("return vim.lsp.util._get_symbol_kind_name(1000)"))
end)
end)
describe('lsp.util.jump_to_location', function()
local target_bufnr
before_each(function()
target_bufnr = exec_lua [[
local bufnr = vim.uri_to_bufnr("file:///fake/uri")
local lines = {"1st line of text", "å å ɧ 汉语 ↥ 🤦 🦄"}
vim.api.nvim_buf_set_lines(bufnr, 0, 1, false, lines)
return bufnr
]]
end)
local location = function(start_line, start_char, end_line, end_char)
return {
uri = "file:///fake/uri",
range = {
start = { line = start_line, character = start_char },
["end"] = { line = end_line, character = end_char },
},
}
end
local jump = function(msg)
eq(true, exec_lua('return vim.lsp.util.jump_to_location(...)', msg, "utf-16"))
eq(target_bufnr, exec_lua[[return vim.fn.bufnr('%')]])
return {
line = exec_lua[[return vim.fn.line('.')]],
col = exec_lua[[return vim.fn.col('.')]],
}
end
it('jumps to a Location', function()
local pos = jump(location(0, 9, 0, 9))
eq(1, pos.line)
eq(10, pos.col)
end)
it('jumps to a LocationLink', function()
local pos = jump({
targetUri = "file:///fake/uri",
targetSelectionRange = {
start = { line = 0, character = 4 },
["end"] = { line = 0, character = 4 },
},
targetRange = {
start = { line = 1, character = 5 },
["end"] = { line = 1, character = 5 },
},
})
eq(1, pos.line)
eq(5, pos.col)
end)
it('jumps to the correct multibyte column', function()
local pos = jump(location(1, 2, 1, 2))
eq(2, pos.line)
eq(4, pos.col)
eq('å', exec_lua[[return vim.fn.expand('<cword>')]])
end)
it('adds current position to jumplist before jumping', function()
funcs.nvim_win_set_buf(0, target_bufnr)
local mark = funcs.nvim_buf_get_mark(target_bufnr, "'")
eq({ 1, 0 }, mark)
funcs.nvim_win_set_cursor(0, { 2, 3 })
jump(location(0, 9, 0, 9))
mark = funcs.nvim_buf_get_mark(target_bufnr, "'")
eq({ 2, 3 }, mark)
end)
end)
describe('lsp.util.show_document', function()
local target_bufnr
local target_bufnr2
before_each(function()
target_bufnr = exec_lua([[
local bufnr = vim.uri_to_bufnr("file:///fake/uri")
local lines = {"1st line of text", "å å ɧ 汉语 ↥ 🤦 🦄"}
vim.api.nvim_buf_set_lines(bufnr, 0, 1, false, lines)
return bufnr
]])
target_bufnr2 = exec_lua([[
local bufnr = vim.uri_to_bufnr("file:///fake/uri2")
local lines = {"1st line of text", "å å ɧ 汉语 ↥ 🤦 🦄"}
vim.api.nvim_buf_set_lines(bufnr, 0, 1, false, lines)
return bufnr
]])
end)
local location = function(start_line, start_char, end_line, end_char, second_uri)
return {
uri = second_uri and 'file:///fake/uri2' or 'file:///fake/uri',
range = {
start = { line = start_line, character = start_char },
['end'] = { line = end_line, character = end_char },
},
}
end
local show_document = function(msg, focus, reuse_win)
eq(
true,
exec_lua(
'return vim.lsp.util.show_document(...)',
msg,
'utf-16',
{ reuse_win = reuse_win, focus = focus }
)
)
if focus == true or focus == nil then
eq(target_bufnr, exec_lua([[return vim.fn.bufnr('%')]]))
end
return {
line = exec_lua([[return vim.fn.line('.')]]),
col = exec_lua([[return vim.fn.col('.')]]),
}
end
it('jumps to a Location if focus is true', function()
local pos = show_document(location(0, 9, 0, 9), true, true)
eq(1, pos.line)
eq(10, pos.col)
end)
it('jumps to a Location if focus not set', function()
local pos = show_document(location(0, 9, 0, 9), nil, true)
eq(1, pos.line)
eq(10, pos.col)
end)
it('does not add current position to jumplist if not focus', function()
funcs.nvim_win_set_buf(0, target_bufnr)
local mark = funcs.nvim_buf_get_mark(target_bufnr, "'")
eq({ 1, 0 }, mark)
funcs.nvim_win_set_cursor(0, { 2, 3 })
show_document(location(0, 9, 0, 9), false, true)
show_document(location(0, 9, 0, 9, true), false, true)
mark = funcs.nvim_buf_get_mark(target_bufnr, "'")
eq({ 1, 0 }, mark)
end)
it('does not change cursor position if not focus and not reuse_win', function()
funcs.nvim_win_set_buf(0, target_bufnr)
local cursor = funcs.nvim_win_get_cursor(0)
show_document(location(0, 9, 0, 9), false, false)
eq(cursor, funcs.nvim_win_get_cursor(0))
end)
it('does not change window if not focus', function()
funcs.nvim_win_set_buf(0, target_bufnr)
local win = funcs.nvim_get_current_win()
-- same document/bufnr
show_document(location(0, 9, 0, 9), false, true)
eq(win, funcs.nvim_get_current_win())
-- different document/bufnr, new window/split
show_document(location(0, 9, 0, 9, true), false, true)
eq(2, #funcs.nvim_list_wins())
eq(win, funcs.nvim_get_current_win())
end)
it("respects 'reuse_win' parameter", function()
funcs.nvim_win_set_buf(0, target_bufnr)
-- does not create a new window if the buffer is already open
show_document(location(0, 9, 0, 9), false, true)
eq(1, #funcs.nvim_list_wins())
-- creates a new window even if the buffer is already open
show_document(location(0, 9, 0, 9), false, false)
eq(2, #funcs.nvim_list_wins())
end)
it('correctly sets the cursor of the split if range is given without focus', function()
funcs.nvim_win_set_buf(0, target_bufnr)
show_document(location(0, 9, 0, 9, true), false, true)
local wins = funcs.nvim_list_wins()
eq(2, #wins)
table.sort(wins)
eq({ 1, 0 }, funcs.nvim_win_get_cursor(wins[1]))
eq({ 1, 9 }, funcs.nvim_win_get_cursor(wins[2]))
end)
it('does not change cursor of the split if not range and not focus', function()
funcs.nvim_win_set_buf(0, target_bufnr)
funcs.nvim_win_set_cursor(0, { 2, 3 })
exec_lua([[vim.cmd.new()]])
funcs.nvim_win_set_buf(0, target_bufnr2)
funcs.nvim_win_set_cursor(0, { 2, 3 })
show_document({ uri = 'file:///fake/uri2' }, false, true)
local wins = funcs.nvim_list_wins()
eq(2, #wins)
eq({ 2, 3 }, funcs.nvim_win_get_cursor(wins[1]))
eq({ 2, 3 }, funcs.nvim_win_get_cursor(wins[2]))
end)
it('respects existing buffers', function()
funcs.nvim_win_set_buf(0, target_bufnr)
local win = funcs.nvim_get_current_win()
exec_lua([[vim.cmd.new()]])
funcs.nvim_win_set_buf(0, target_bufnr2)
funcs.nvim_win_set_cursor(0, { 2, 3 })
local split = funcs.nvim_get_current_win()
-- reuse win for open document/bufnr if called from split
show_document(location(0, 9, 0, 9, true), false, true)
eq({ 1, 9 }, funcs.nvim_win_get_cursor(split))
eq(2, #funcs.nvim_list_wins())
funcs.nvim_set_current_win(win)
-- reuse win for open document/bufnr if called outside the split
show_document(location(0, 9, 0, 9, true), false, true)
eq({ 1, 9 }, funcs.nvim_win_get_cursor(split))
eq(2, #funcs.nvim_list_wins())
end)
end)
describe('lsp.util._make_floating_popup_size', function()
before_each(function()
exec_lua [[ contents =
{"text tαxt txtα tex",
"text tααt tααt text",
"text tαxt tαxt"}
]]
end)
it('calculates size correctly', function()
eq({19,3}, exec_lua[[ return {vim.lsp.util._make_floating_popup_size(contents)} ]])
end)
it('calculates size correctly with wrapping', function()
eq({15,5}, exec_lua[[ return {vim.lsp.util._make_floating_popup_size(contents,{width = 15, wrap_at = 14})} ]])
end)
end)
describe('lsp.util.trim.trim_empty_lines', function()
it('properly trims empty lines', function()
eq({{"foo", "bar"}}, exec_lua[[ return vim.lsp.util.trim_empty_lines({{ "foo", "bar" }, nil}) ]])
end)
end)
describe('lsp.util.convert_signature_help_to_markdown_lines', function()
it('can handle negative activeSignature', function()
local result = exec_lua[[
local signature_help = {
activeParameter = 0,
activeSignature = -1,
signatures = {
{
documentation = "",
label = "TestEntity.TestEntity()",
parameters = {}
},
}
}
return vim.lsp.util.convert_signature_help_to_markdown_lines(signature_help, 'cs', {','})
]]
local expected = {'```cs', 'TestEntity.TestEntity()', '```', ''}
eq(expected, result)
end)
end)
describe('lsp.util.get_effective_tabstop', function()
local function test_tabstop(tabsize, shiftwidth)
exec_lua(string.format([[
vim.api.nvim_buf_set_option(0, 'shiftwidth', %d)
vim.api.nvim_buf_set_option(0, 'tabstop', 2)
]], shiftwidth))
eq(tabsize, exec_lua('return vim.lsp.util.get_effective_tabstop()'))
end
it('with shiftwidth = 1', function() test_tabstop(1, 1) end)
it('with shiftwidth = 0', function() test_tabstop(2, 0) end)
end)
describe('vim.lsp.buf.outgoing_calls', function()
it('does nothing for an empty response', function()
local qflist_count = exec_lua([=[
require'vim.lsp.handlers'['callHierarchy/outgoingCalls'](nil, nil, {}, nil)
return #vim.fn.getqflist()
]=])
eq(0, qflist_count)
end)
it('opens the quickfix list with the right caller', function()
local qflist = exec_lua([=[
local rust_analyzer_response = { {
fromRanges = { {
['end'] = {
character = 7,
line = 3
},
start = {
character = 4,
line = 3
}
} },
to = {
detail = "fn foo()",
kind = 12,
name = "foo",
range = {
['end'] = {
character = 11,
line = 0
},
start = {
character = 0,
line = 0
}
},
selectionRange = {
['end'] = {
character = 6,
line = 0
},
start = {
character = 3,
line = 0
}
},
uri = "file:///src/main.rs"
}
} }
local handler = require'vim.lsp.handlers'['callHierarchy/outgoingCalls']
handler(nil, rust_analyzer_response, {})
return vim.fn.getqflist()
]=])
local expected = { {
bufnr = 2,
col = 5,
end_col = 0,
lnum = 4,
end_lnum = 0,
module = "",
nr = 0,
pattern = "",
text = "foo",
type = "",
valid = 1,
vcol = 0
} }
eq(expected, qflist)
end)
end)
describe('vim.lsp.buf.incoming_calls', function()
it('does nothing for an empty response', function()
local qflist_count = exec_lua([=[
require'vim.lsp.handlers'['callHierarchy/incomingCalls'](nil, nil, {})
return #vim.fn.getqflist()
]=])
eq(0, qflist_count)
end)
it('opens the quickfix list with the right callee', function()
local qflist = exec_lua([=[
local rust_analyzer_response = { {
from = {
detail = "fn main()",
kind = 12,
name = "main",
range = {
['end'] = {
character = 1,
line = 4
},
start = {
character = 0,
line = 2
}
},
selectionRange = {
['end'] = {
character = 7,
line = 2
},
start = {
character = 3,
line = 2
}
},
uri = "file:///src/main.rs"
},
fromRanges = { {
['end'] = {
character = 7,
line = 3
},
start = {
character = 4,
line = 3
}
} }
} }
local handler = require'vim.lsp.handlers'['callHierarchy/incomingCalls']
handler(nil, rust_analyzer_response, {})
return vim.fn.getqflist()
]=])
local expected = { {
bufnr = 2,
col = 5,
end_col = 0,
lnum = 4,
end_lnum = 0,
module = "",
nr = 0,
pattern = "",
text = "main",
type = "",
valid = 1,
vcol = 0
} }
eq(expected, qflist)
end)
end)
describe('vim.lsp.buf.rename', function()
for _, test in ipairs({
{
it = "does not attempt to rename on nil response",
name = "prepare_rename_nil",
expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
},
},
{
it = "handles prepareRename placeholder response",
name = "prepare_rename_placeholder",
expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, NIL, {method="textDocument/rename", client_id=1, bufnr=1}};
{NIL, {}, {method="start", client_id=1}};
},
expected_text = "placeholder", -- see fake lsp response
},
{
it = "handles range response",
name = "prepare_rename_range",
expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, NIL, {method="textDocument/rename", client_id=1, bufnr=1}};
{NIL, {}, {method="start", client_id=1}};
},
expected_text = "line", -- see test case and fake lsp response
},
{
it = "handles error",
name = "prepare_rename_error",
expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
},
},
}) do
it(test.it, function()
local client
test_rpc_server {
test_name = test.name;
on_init = function(_client)
client = _client
eq(true, client.server_capabilities().renameProvider.prepareProvider)
end;
on_setup = function()
exec_lua([=[
local bufnr = vim.api.nvim_get_current_buf()
lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
vim.lsp._stubs = {}
vim.fn.input = function(opts, on_confirm)
vim.lsp._stubs.input_prompt = opts.prompt
vim.lsp._stubs.input_text = opts.default
return 'renameto' -- expect this value in fake lsp
end
vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, {'', 'this is line two'})
vim.fn.cursor(2, 13) -- the space between "line" and "two"
]=])
end;
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end;
on_handler = function(err, result, ctx)
-- Don't compare & assert params, they're not relevant for the testcase
-- This allows us to be lazy and avoid declaring them
ctx.params = nil
eq(table.remove(test.expected_handlers), {err, result, ctx}, "expected handler")
if ctx.method == 'start' then
exec_lua("vim.lsp.buf.rename()")
end
if ctx.method == 'shutdown' then
if test.expected_text then
eq("New Name: ", exec_lua("return vim.lsp._stubs.input_prompt"))
eq(test.expected_text, exec_lua("return vim.lsp._stubs.input_text"))
end
client.stop()
end
end;
}
end)
end
end)
describe('vim.lsp.buf.code_action', function()
it('Calls client side command if available', function()
local client
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
test_rpc_server {
test_name = 'code_action_with_resolve',
on_init = function(client_)
client = client_
end,
on_setup = function()
end,
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end,
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx})
if ctx.method == 'start' then
exec_lua([[
vim.lsp.commands['dummy1'] = function(cmd)
vim.lsp.commands['dummy2'] = function()
end
end
local bufnr = vim.api.nvim_get_current_buf()
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
vim.fn.inputlist = function()
return 1
end
vim.lsp.buf.code_action()
]])
elseif ctx.method == 'shutdown' then
eq('function', exec_lua[[return type(vim.lsp.commands['dummy2'])]])
client.stop()
end
end
}
end)
it('Calls workspace/executeCommand if no client side command', function()
local client
local expected_handlers = {
{ NIL, {}, { method = 'shutdown', client_id = 1 } },
{
NIL,
{ command = 'dummy1', title = 'Command 1' },
{ bufnr = 1, method = 'workspace/executeCommand', client_id = 1 },
},
{ NIL, {}, { method = 'start', client_id = 1 } },
}
test_rpc_server({
test_name = 'code_action_server_side_command',
on_init = function(client_)
client = client_
end,
on_setup = function() end,
on_exit = function(code, signal)
eq(0, code, 'exit code', fake_lsp_logfile)
eq(0, signal, 'exit signal', fake_lsp_logfile)
end,
on_handler = function(err, result, ctx)
ctx.params = nil -- don't compare in assert
eq(table.remove(expected_handlers), { err, result, ctx })
if ctx.method == 'start' then
exec_lua([[
local bufnr = vim.api.nvim_get_current_buf()
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
vim.fn.inputlist = function()
return 1
end
vim.lsp.buf.code_action()
]])
elseif ctx.method == 'shutdown' then
client.stop()
end
end,
})
end)
it('Filters and automatically applies action if requested', function()
local client
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
test_rpc_server {
test_name = 'code_action_filter',
on_init = function(client_)
client = client_
end,
on_setup = function()
end,
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end,
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx})
if ctx.method == 'start' then
exec_lua([[
vim.lsp.commands['preferred_command'] = function(cmd)
vim.lsp.commands['executed_preferred'] = function()
end
end
vim.lsp.commands['quickfix_command'] = function(cmd)
vim.lsp.commands['executed_quickfix'] = function()
end
end
local bufnr = vim.api.nvim_get_current_buf()
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
vim.lsp.buf.code_action({ filter = function(a) return a.isPreferred end, apply = true, })
vim.lsp.buf.code_action({
-- expect to be returned actions 'quickfix' and 'quickfix.foo'
context = { only = {'quickfix'}, },
apply = true,
filter = function(a)
if a.kind == 'quickfix.foo' then
vim.lsp.commands['filtered_quickfix_foo'] = function() end
return false
elseif a.kind == 'quickfix' then
return true
else
assert(nil, 'unreachable')
end
end,
})
]])
elseif ctx.method == 'shutdown' then
eq('function', exec_lua[[return type(vim.lsp.commands['executed_preferred'])]])
eq('function', exec_lua[[return type(vim.lsp.commands['filtered_quickfix_foo'])]])
eq('function', exec_lua[[return type(vim.lsp.commands['executed_quickfix'])]])
client.stop()
end
end
}
end)
end)
describe('vim.lsp.commands', function()
it('Accepts only string keys', function()
matches(
'.*The key for commands in `vim.lsp.commands` must be a string',
pcall_err(exec_lua, 'vim.lsp.commands[1] = function() end')
)
end)
it('Accepts only function values', function()
matches(
'.*Command added to `vim.lsp.commands` must be a function',
pcall_err(exec_lua, 'vim.lsp.commands.dummy = 10')
)
end)
end)
describe('vim.lsp.codelens', function()
it('uses client commands', function()
local client
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
test_rpc_server {
test_name = 'clientside_commands',
on_init = function(client_)
client = client_
end,
on_setup = function()
end,
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end,
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx})
if ctx.method == 'start' then
local fake_uri = "file:///fake/uri"
local cmd = exec_lua([[
fake_uri = ...
local bufnr = vim.uri_to_bufnr(fake_uri)
vim.fn.bufload(bufnr)
vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, {'One line'})
local lenses = {
{
range = {
start = { line = 0, character = 0, },
['end'] = { line = 0, character = 8 }
},
command = { title = 'Lens1', command = 'Dummy' }
},
}
vim.lsp.codelens.on_codelens(nil, lenses, {method='textDocument/codeLens', client_id=1, bufnr=bufnr})
local cmd_called = nil
vim.lsp.commands['Dummy'] = function(command)
cmd_called = command
end
vim.api.nvim_set_current_buf(bufnr)
vim.lsp.codelens.run()
return cmd_called
]], fake_uri)
eq({ command = 'Dummy', title = 'Lens1' }, cmd)
elseif ctx.method == 'shutdown' then
client.stop()
end
end
}
end)
it('releases buffer refresh lock', function()
local client
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
test_rpc_server {
test_name = 'codelens_refresh_lock',
on_init = function(client_)
client = client_
end,
on_setup = function()
exec_lua([=[
local bufnr = vim.api.nvim_get_current_buf()
vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, {'One line'})
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
CALLED = false
RESPONSE = nil
local on_codelens = vim.lsp.codelens.on_codelens
vim.lsp.codelens.on_codelens = function (err, result, ...)
CALLED = true
RESPONSE = { err = err, result = result }
return on_codelens(err, result, ...)
end
]=])
end,
on_exit = function(code, signal)
eq(0, code, "exit code")
eq(0, signal, "exit signal")
end,
on_handler = function(err, result, ctx)
eq(table.remove(expected_handlers), {err, result, ctx})
if ctx.method == 'start' then
-- 1. first codelens request errors
local response = exec_lua([=[
CALLED = false
vim.lsp.codelens.refresh()
vim.wait(100, function () return CALLED end)
return RESPONSE
]=])
eq( { err = { code = -32002, message = "ServerNotInitialized" } }, response)
-- 2. second codelens request runs
response = exec_lua([=[
CALLED = false
local cmd_called = nil
vim.lsp.commands["Dummy"] = function (command)
cmd_called = command
end
vim.lsp.codelens.refresh()
vim.wait(100, function () return CALLED end)
vim.lsp.codelens.run()
vim.wait(100, function () return cmd_called end)
return cmd_called
]=])
eq( { command = "Dummy", title = "Lens1" }, response)
-- 3. third codelens request runs
response = exec_lua([=[
CALLED = false
local cmd_called = nil
vim.lsp.commands["Dummy"] = function (command)
cmd_called = command
end
vim.lsp.codelens.refresh()
vim.wait(100, function () return CALLED end)
vim.lsp.codelens.run()
vim.wait(100, function () return cmd_called end)
return cmd_called
]=])
eq( { command = "Dummy", title = "Lens2" }, response)
elseif ctx.method == 'shutdown' then
client.stop()
end
end
}
end)
end)
describe("vim.lsp.buf.format", function()
it("Aborts with notify if no client matches filter", function()
local client
test_rpc_server {
test_name = "basic_init",
on_init = function(c)
client = c
end,
on_handler = function()
local notify_msg = exec_lua([[
local bufnr = vim.api.nvim_get_current_buf()
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
local notify_msg
local notify = vim.notify
vim.notify = function(msg, log_level)
notify_msg = msg
end
vim.lsp.buf.format({ name = 'does-not-exist' })
vim.notify = notify
return notify_msg
]])
eq("[LSP] Format request failed, no matching language servers.", notify_msg)
client.stop()
end,
}
end)
it("Sends textDocument/formatting request to format buffer", function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_formatting",
on_init = function(c)
client = c
end,
on_handler = function(_, _, ctx)
table.remove(expected_handlers)
if ctx.method == "start" then
local notify_msg = exec_lua([[
local bufnr = vim.api.nvim_get_current_buf()
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
local notify_msg
local notify = vim.notify
vim.notify = function(msg, log_level)
notify_msg = msg
end
vim.lsp.buf.format({ bufnr = bufnr })
vim.notify = notify
return notify_msg
]])
eq(NIL, notify_msg)
elseif ctx.method == "shutdown" then
client.stop()
end
end,
}
end)
it('Can format async', function()
local expected_handlers = {
{NIL, {}, {method="shutdown", client_id=1}};
{NIL, {}, {method="start", client_id=1}};
}
local client
test_rpc_server {
test_name = "basic_formatting",
on_init = function(c)
client = c
end,
on_handler = function(_, _, ctx)
table.remove(expected_handlers)
if ctx.method == "start" then
local result = exec_lua([[
local bufnr = vim.api.nvim_get_current_buf()
vim.lsp.buf_attach_client(bufnr, TEST_RPC_CLIENT_ID)
local notify_msg
local notify = vim.notify
vim.notify = function(msg, log_level)
notify_msg = msg
end
local handler = vim.lsp.handlers['textDocument/formatting']
local handler_called = false
vim.lsp.handlers['textDocument/formatting'] = function(...)
handler_called = true
end
vim.lsp.buf.format({ bufnr = bufnr, async = true })
vim.wait(1000, function() return handler_called end)
vim.notify = notify
vim.lsp.handlers['textDocument/formatting'] = handler
return {notify = notify_msg, handler_called = handler_called}
]])
eq({handler_called=true}, result)
elseif ctx.method == "shutdown" then
client.stop()
end
end,
}
end)
it('format formats range in visual mode', function()
exec_lua(create_server_definition)
local result = exec_lua([[
local server = _create_server({ capabilities = {
documentFormattingProvider = true,
documentRangeFormattingProvider = true,
}})
local bufnr = vim.api.nvim_get_current_buf()
local client_id = vim.lsp.start({ name = 'dummy', cmd = server.cmd })
vim.api.nvim_win_set_buf(0, bufnr)
vim.api.nvim_buf_set_lines(bufnr, 0, -1, true, {'foo', 'bar'})
vim.api.nvim_win_set_cursor(0, { 1, 0 })
vim.cmd.normal('v')
vim.api.nvim_win_set_cursor(0, { 2, 3 })
vim.lsp.buf.format({ bufnr = bufnr, false })
return server.messages
]])
eq("textDocument/rangeFormatting", result[2].method)
local expected_range = {
start = { line = 0, character = 0 },
['end'] = { line = 1, character = 4 },
}
eq(expected_range, result[2].params.range)
end)
end)
describe('cmd', function()
it('can connect to lsp server via rpc.connect', function()
local result = exec_lua [[
local uv = vim.loop
local server = uv.new_tcp()
local init = nil
server:bind('127.0.0.1', 0)
server:listen(127, function(err)
assert(not err, err)
local socket = uv.new_tcp()
server:accept(socket)
socket:read_start(require('vim.lsp.rpc').create_read_loop(function(body)
init = body
socket:close()
end))
end)
local port = server:getsockname().port
vim.lsp.start({ name = 'dummy', cmd = vim.lsp.rpc.connect('127.0.0.1', port) })
vim.wait(1000, function() return init ~= nil end)
assert(init, "server must receive `initialize` request")
server:close()
server:shutdown()
return vim.json.decode(init)
]]
eq(result.method, "initialize")
end)
end)
describe('handlers', function()
it('handler can return false as response', function()
local result = exec_lua [[
local uv = vim.loop
local server = uv.new_tcp()
local messages = {}
local responses = {}
server:bind('127.0.0.1', 0)
server:listen(127, function(err)
assert(not err, err)
local socket = uv.new_tcp()
server:accept(socket)
socket:read_start(require('vim.lsp.rpc').create_read_loop(function(body)
local payload = vim.json.decode(body)
if payload.method then
table.insert(messages, payload.method)
if payload.method == 'initialize' then
local msg = vim.json.encode({
id = payload.id,
jsonrpc = '2.0',
result = {
capabilities = {}
},
})
socket:write(table.concat({'Content-Length: ', tostring(#msg), '\r\n\r\n', msg}))
elseif payload.method == 'initialized' then
local msg = vim.json.encode({
id = 10,
jsonrpc = '2.0',
method = 'dummy',
params = {},
})
socket:write(table.concat({'Content-Length: ', tostring(#msg), '\r\n\r\n', msg}))
end
else
table.insert(responses, payload)
socket:close()
end
end))
end)
local port = server:getsockname().port
local handler_called = false
vim.lsp.handlers['dummy'] = function(err, result)
handler_called = true
return false
end
local client_id = vim.lsp.start({ name = 'dummy', cmd = vim.lsp.rpc.connect('127.0.0.1', port) })
local client = vim.lsp.get_client_by_id(client_id)
vim.wait(1000, function() return #messages == 2 and handler_called and #responses == 1 end)
server:close()
server:shutdown()
return {
messages = messages,
handler_called = handler_called,
responses = responses }
]]
local expected = {
messages = { 'initialize', 'initialized' },
handler_called = true,
responses = {
{
id = 10,
jsonrpc = '2.0',
result = false
}
}
}
eq(expected, result)
end)
end)
end)