261 lines
8.2 KiB
Rust
261 lines
8.2 KiB
Rust
use std::{
|
|
cell::{Cell, RefCell},
|
|
fs,
|
|
path::{Path, PathBuf},
|
|
sync::Once,
|
|
time::Duration,
|
|
};
|
|
|
|
use crossbeam_channel::{after, select, Receiver};
|
|
use lsp_server::{Connection, Message, Notification, Request};
|
|
use lsp_types::{
|
|
notification::{DidOpenTextDocument, Exit},
|
|
request::Shutdown,
|
|
ClientCapabilities, DidOpenTextDocumentParams, GotoCapability, TextDocumentClientCapabilities,
|
|
TextDocumentIdentifier, TextDocumentItem, Url, WorkDoneProgress,
|
|
};
|
|
use serde::Serialize;
|
|
use serde_json::{to_string_pretty, Value};
|
|
use tempfile::TempDir;
|
|
use test_utils::{find_mismatch, parse_fixture};
|
|
|
|
use req::{ProgressParams, ProgressParamsValue};
|
|
use rust_analyzer::{main_loop, req, ServerConfig};
|
|
|
|
pub struct Project<'a> {
|
|
fixture: &'a str,
|
|
with_sysroot: bool,
|
|
tmp_dir: Option<TempDir>,
|
|
roots: Vec<PathBuf>,
|
|
}
|
|
|
|
impl<'a> Project<'a> {
|
|
pub fn with_fixture(fixture: &str) -> Project {
|
|
Project { fixture, tmp_dir: None, roots: vec![], with_sysroot: false }
|
|
}
|
|
|
|
pub fn tmp_dir(mut self, tmp_dir: TempDir) -> Project<'a> {
|
|
self.tmp_dir = Some(tmp_dir);
|
|
self
|
|
}
|
|
|
|
pub fn root(mut self, path: &str) -> Project<'a> {
|
|
self.roots.push(path.into());
|
|
self
|
|
}
|
|
|
|
pub fn with_sysroot(mut self, sysroot: bool) -> Project<'a> {
|
|
self.with_sysroot = sysroot;
|
|
self
|
|
}
|
|
|
|
pub fn server(self) -> Server {
|
|
let tmp_dir = self.tmp_dir.unwrap_or_else(|| TempDir::new().unwrap());
|
|
static INIT: Once = Once::new();
|
|
INIT.call_once(|| {
|
|
env_logger::builder().is_test(true).try_init().unwrap();
|
|
ra_prof::set_filter(if crate::PROFILE.is_empty() {
|
|
ra_prof::Filter::disabled()
|
|
} else {
|
|
ra_prof::Filter::from_spec(&crate::PROFILE)
|
|
});
|
|
});
|
|
|
|
let mut paths = vec![];
|
|
|
|
for entry in parse_fixture(self.fixture) {
|
|
let path = tmp_dir.path().join(entry.meta);
|
|
fs::create_dir_all(path.parent().unwrap()).unwrap();
|
|
fs::write(path.as_path(), entry.text.as_bytes()).unwrap();
|
|
paths.push((path, entry.text));
|
|
}
|
|
|
|
let roots = self.roots.into_iter().map(|root| tmp_dir.path().join(root)).collect();
|
|
|
|
Server::new(tmp_dir, self.with_sysroot, roots, paths)
|
|
}
|
|
}
|
|
|
|
pub fn project(fixture: &str) -> Server {
|
|
Project::with_fixture(fixture).server()
|
|
}
|
|
|
|
pub struct Server {
|
|
req_id: Cell<u64>,
|
|
messages: RefCell<Vec<Message>>,
|
|
_thread: jod_thread::JoinHandle<()>,
|
|
client: Connection,
|
|
/// XXX: remove the tempdir last
|
|
dir: TempDir,
|
|
}
|
|
|
|
impl Server {
|
|
fn new(
|
|
dir: TempDir,
|
|
with_sysroot: bool,
|
|
roots: Vec<PathBuf>,
|
|
files: Vec<(PathBuf, String)>,
|
|
) -> Server {
|
|
let path = dir.path().to_path_buf();
|
|
|
|
let roots = if roots.is_empty() { vec![path] } else { roots };
|
|
let (connection, client) = Connection::memory();
|
|
|
|
let _thread = jod_thread::Builder::new()
|
|
.name("test server".to_string())
|
|
.spawn(move || {
|
|
main_loop(
|
|
roots,
|
|
ClientCapabilities {
|
|
workspace: None,
|
|
text_document: Some(TextDocumentClientCapabilities {
|
|
definition: Some(GotoCapability {
|
|
dynamic_registration: None,
|
|
link_support: Some(true),
|
|
}),
|
|
..Default::default()
|
|
}),
|
|
window: None,
|
|
experimental: None,
|
|
},
|
|
ServerConfig { with_sysroot, ..ServerConfig::default() },
|
|
connection,
|
|
)
|
|
.unwrap()
|
|
})
|
|
.expect("failed to spawn a thread");
|
|
|
|
let res =
|
|
Server { req_id: Cell::new(1), dir, messages: Default::default(), client, _thread };
|
|
|
|
for (path, text) in files {
|
|
res.notification::<DidOpenTextDocument>(DidOpenTextDocumentParams {
|
|
text_document: TextDocumentItem {
|
|
uri: Url::from_file_path(path).unwrap(),
|
|
language_id: "rust".to_string(),
|
|
version: 0,
|
|
text,
|
|
},
|
|
})
|
|
}
|
|
res
|
|
}
|
|
|
|
pub fn doc_id(&self, rel_path: &str) -> TextDocumentIdentifier {
|
|
let path = self.dir.path().join(rel_path);
|
|
TextDocumentIdentifier { uri: Url::from_file_path(path).unwrap() }
|
|
}
|
|
|
|
pub fn notification<N>(&self, params: N::Params)
|
|
where
|
|
N: lsp_types::notification::Notification,
|
|
N::Params: Serialize,
|
|
{
|
|
let r = Notification::new(N::METHOD.to_string(), params);
|
|
self.send_notification(r)
|
|
}
|
|
|
|
pub fn request<R>(&self, params: R::Params, expected_resp: Value)
|
|
where
|
|
R: lsp_types::request::Request,
|
|
R::Params: Serialize,
|
|
{
|
|
let actual = self.send_request::<R>(params);
|
|
if let Some((expected_part, actual_part)) = find_mismatch(&expected_resp, &actual) {
|
|
panic!(
|
|
"JSON mismatch\nExpected:\n{}\nWas:\n{}\nExpected part:\n{}\nActual part:\n{}\n",
|
|
to_string_pretty(&expected_resp).unwrap(),
|
|
to_string_pretty(&actual).unwrap(),
|
|
to_string_pretty(expected_part).unwrap(),
|
|
to_string_pretty(actual_part).unwrap(),
|
|
);
|
|
}
|
|
}
|
|
|
|
pub fn send_request<R>(&self, params: R::Params) -> Value
|
|
where
|
|
R: lsp_types::request::Request,
|
|
R::Params: Serialize,
|
|
{
|
|
let id = self.req_id.get();
|
|
self.req_id.set(id + 1);
|
|
|
|
let r = Request::new(id.into(), R::METHOD.to_string(), params);
|
|
self.send_request_(r)
|
|
}
|
|
fn send_request_(&self, r: Request) -> Value {
|
|
let id = r.id.clone();
|
|
self.client.sender.send(r.into()).unwrap();
|
|
while let Some(msg) = self.recv() {
|
|
match msg {
|
|
Message::Request(req) => panic!("unexpected request: {:?}", req),
|
|
Message::Notification(_) => (),
|
|
Message::Response(res) => {
|
|
assert_eq!(res.id, id);
|
|
if let Some(err) = res.error {
|
|
panic!("error response: {:#?}", err);
|
|
}
|
|
return res.result.unwrap();
|
|
}
|
|
}
|
|
}
|
|
panic!("no response");
|
|
}
|
|
pub fn wait_until_workspace_is_loaded(&self) {
|
|
self.wait_for_message_cond(1, &|msg: &Message| match msg {
|
|
Message::Notification(n) if n.method == "$/progress" => {
|
|
match n.clone().extract::<ProgressParams>("$/progress").unwrap() {
|
|
ProgressParams {
|
|
token: req::ProgressToken::String(ref token),
|
|
value: ProgressParamsValue::WorkDone(WorkDoneProgress::End(_)),
|
|
} if token == "rustAnalyzer/startup" => true,
|
|
_ => false,
|
|
}
|
|
}
|
|
_ => false,
|
|
})
|
|
}
|
|
fn wait_for_message_cond(&self, n: usize, cond: &dyn Fn(&Message) -> bool) {
|
|
let mut total = 0;
|
|
for msg in self.messages.borrow().iter() {
|
|
if cond(msg) {
|
|
total += 1
|
|
}
|
|
}
|
|
while total < n {
|
|
let msg = self.recv().expect("no response");
|
|
if cond(&msg) {
|
|
total += 1;
|
|
}
|
|
}
|
|
}
|
|
fn recv(&self) -> Option<Message> {
|
|
recv_timeout(&self.client.receiver).map(|msg| {
|
|
self.messages.borrow_mut().push(msg.clone());
|
|
msg
|
|
})
|
|
}
|
|
fn send_notification(&self, not: Notification) {
|
|
self.client.sender.send(Message::Notification(not)).unwrap();
|
|
}
|
|
|
|
pub fn path(&self) -> &Path {
|
|
self.dir.path()
|
|
}
|
|
}
|
|
|
|
impl Drop for Server {
|
|
fn drop(&mut self) {
|
|
self.request::<Shutdown>((), Value::Null);
|
|
self.notification::<Exit>(());
|
|
}
|
|
}
|
|
|
|
fn recv_timeout(receiver: &Receiver<Message>) -> Option<Message> {
|
|
let timeout = Duration::from_secs(120);
|
|
select! {
|
|
recv(receiver) -> msg => msg.ok(),
|
|
recv(after(timeout)) -> _ => panic!("timed out"),
|
|
}
|
|
}
|