mirror of
https://github.com/denoland/deno.git
synced 2024-10-30 09:08:00 -04:00
86c3c4f343
This gets SQLite off the flamegraph and reduces initialization time by somewhere between 0.2ms and 0.5ms. In addition, I took the opportunity to move all the cache management code to a single place and reduce duplication. While the PR has a net gain of lines, much of that is just being a bit more deliberate with how we're recovering from errors. The existing caches had various policies for dealing with cache corruption, so I've unified them and tried to isolate the decisions we make for recovery in a single place (see `open_connection` in `CacheDB`). The policy I chose was: 1. Retry twice to open on-disk caches 2. If that fails, try to delete the file and recreate it on-disk 3. If we fail to delete the file or re-create a new cache, use a fallback strategy that can be chosen per-cache: InMemory (temporary cache for the process run), BlackHole (ignore writes, return empty reads), or Error (fail on every operation). The caches all use the same general code now, and share the cache failure recovery policy. In addition, it cleans up a TODO in the `NodeAnalysisCache`.
1384 lines
38 KiB
Rust
1384 lines
38 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::AnyError;
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use deno_core::futures::prelude::*;
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use deno_core::futures::stream::SplitSink;
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use deno_core::futures::stream::SplitStream;
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use deno_core::serde_json;
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use deno_core::serde_json::json;
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use deno_core::url;
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use deno_runtime::deno_fetch::reqwest;
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use deno_runtime::deno_websocket::tokio_tungstenite;
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use deno_runtime::deno_websocket::tokio_tungstenite::tungstenite;
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use std::io::BufRead;
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use test_util as util;
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use test_util::TempDir;
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use tokio::net::TcpStream;
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use util::http_server;
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use util::DenoChild;
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struct InspectorTester {
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socket_tx: SplitSink<
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tokio_tungstenite::WebSocketStream<
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tokio_tungstenite::MaybeTlsStream<TcpStream>,
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>,
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tungstenite::Message,
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>,
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socket_rx: SplitStream<
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tokio_tungstenite::WebSocketStream<
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tokio_tungstenite::MaybeTlsStream<TcpStream>,
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>,
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>,
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notification_filter: Box<dyn FnMut(&str) -> bool + 'static>,
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child: DenoChild,
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stderr_lines: Box<dyn Iterator<Item = String>>,
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stdout_lines: Box<dyn Iterator<Item = String>>,
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}
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fn ignore_script_parsed(msg: &str) -> bool {
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!msg.starts_with(r#"{"method":"Debugger.scriptParsed","#)
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}
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impl InspectorTester {
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async fn create<F>(mut child: DenoChild, notification_filter: F) -> Self
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where
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F: FnMut(&str) -> bool + 'static,
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{
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let stdout = child.stdout.take().unwrap();
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let stdout_lines =
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std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());
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let stderr = child.stderr.take().unwrap();
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let mut stderr_lines =
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std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
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let ws_url = extract_ws_url_from_stderr(&mut stderr_lines);
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let (socket, response) =
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tokio_tungstenite::connect_async(ws_url).await.unwrap();
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assert_eq!(response.status(), 101); // Switching protocols.
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let (socket_tx, socket_rx) = socket.split();
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Self {
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socket_tx,
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socket_rx,
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notification_filter: Box::new(notification_filter),
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child,
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stderr_lines: Box::new(stderr_lines),
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stdout_lines: Box::new(stdout_lines),
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}
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}
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async fn send_many(&mut self, messages: &[serde_json::Value]) {
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// TODO(bartlomieju): add graceful error handling
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for msg in messages {
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let result = self
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.socket_tx
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.send(msg.to_string().into())
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.await
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.map_err(|e| e.into());
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self.handle_error(result);
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}
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}
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async fn send(&mut self, message: serde_json::Value) {
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self.send_many(&[message]).await;
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}
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fn handle_error<T>(&mut self, result: Result<T, AnyError>) -> T {
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match result {
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Ok(result) => result,
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Err(err) => {
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let mut stdout = vec![];
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for line in self.stdout_lines.by_ref() {
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stdout.push(line);
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}
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let mut stderr = vec![];
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for line in self.stderr_lines.by_ref() {
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stderr.push(line);
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}
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let stdout = stdout.join("\n");
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let stderr = stderr.join("\n");
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self.child.kill().unwrap();
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panic!(
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"Inspector test failed with error: {err:?}.\nstdout:\n{stdout}\nstderr:\n{stderr}"
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);
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}
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}
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}
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async fn recv(&mut self) -> String {
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loop {
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let result = self.socket_rx.next().await.unwrap().map_err(|e| e.into());
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let message = self.handle_error(result).to_string();
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if (self.notification_filter)(&message) {
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return message;
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}
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}
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}
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async fn recv_as_json(&mut self) -> serde_json::Value {
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let msg = self.recv().await;
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serde_json::from_str(&msg).unwrap()
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}
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async fn assert_received_messages(
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&mut self,
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responses: &[&str],
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notifications: &[&str],
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) {
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let expected_messages = responses.len() + notifications.len();
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let mut responses_idx = 0;
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let mut notifications_idx = 0;
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for _ in 0..expected_messages {
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let msg = self.recv().await;
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if msg.starts_with(r#"{"id":"#) {
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assert!(
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msg.starts_with(responses[responses_idx]),
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"Doesn't start with {}, instead received {}",
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responses[responses_idx],
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msg
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);
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responses_idx += 1;
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} else {
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assert!(
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msg.starts_with(notifications[notifications_idx]),
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"Doesn't start with {}, instead received {}",
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notifications[notifications_idx],
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msg
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);
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notifications_idx += 1;
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}
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}
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}
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fn stderr_line(&mut self) -> String {
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self.stderr_lines.next().unwrap()
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}
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fn stdout_line(&mut self) -> String {
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self.stdout_lines.next().unwrap()
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}
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fn assert_stderr_for_inspect(&mut self) {
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assert_stderr(
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&mut self.stderr_lines,
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&["Visit chrome://inspect to connect to the debugger."],
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);
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}
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fn assert_stderr_for_inspect_brk(&mut self) {
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assert_stderr(
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&mut self.stderr_lines,
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&[
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"Visit chrome://inspect to connect to the debugger.",
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"Deno is waiting for debugger to connect.",
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],
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);
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}
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}
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macro_rules! assert_starts_with {
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($string:expr, $($test:expr),+) => {
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let string = $string; // This might be a function call or something
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if !($(string.starts_with($test))||+) {
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panic!("{:?} does not start with {:?}", string, [$($test),+]);
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}
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}
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}
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fn assert_stderr(
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stderr_lines: &mut impl std::iter::Iterator<Item = String>,
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expected_lines: &[&str],
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) {
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let mut expected_index = 0;
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loop {
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let line = skip_check_line(stderr_lines);
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assert_eq!(line, expected_lines[expected_index]);
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expected_index += 1;
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if expected_index >= expected_lines.len() {
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break;
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}
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}
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}
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fn inspect_flag_with_unique_port(flag_prefix: &str) -> String {
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use std::sync::atomic::AtomicU16;
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use std::sync::atomic::Ordering;
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static PORT: AtomicU16 = AtomicU16::new(9229);
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let port = PORT.fetch_add(1, Ordering::Relaxed);
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format!("{flag_prefix}=127.0.0.1:{port}")
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}
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fn extract_ws_url_from_stderr(
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stderr_lines: &mut impl std::iter::Iterator<Item = String>,
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) -> url::Url {
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let stderr_first_line = skip_check_line(stderr_lines);
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assert_starts_with!(&stderr_first_line, "Debugger listening on ");
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let v: Vec<_> = stderr_first_line.match_indices("ws:").collect();
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assert_eq!(v.len(), 1);
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let ws_url_index = v[0].0;
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let ws_url = &stderr_first_line[ws_url_index..];
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url::Url::parse(ws_url).unwrap()
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}
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fn skip_check_line(
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stderr_lines: &mut impl std::iter::Iterator<Item = String>,
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) -> String {
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loop {
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let mut line = stderr_lines.next().unwrap();
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line = util::strip_ansi_codes(&line).to_string();
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if line.starts_with("Check") {
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continue;
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}
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return line;
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}
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}
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#[tokio::test]
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async fn inspector_connect() {
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let script = util::testdata_path().join("inspector/inspector1.js");
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let mut child = util::deno_cmd()
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.arg("run")
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.arg(inspect_flag_with_unique_port("--inspect"))
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.arg(script)
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.stderr(std::process::Stdio::piped())
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.spawn()
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.unwrap();
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let stderr = child.stderr.as_mut().unwrap();
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let mut stderr_lines =
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std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
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let ws_url = extract_ws_url_from_stderr(&mut stderr_lines);
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// We use tokio_tungstenite as a websocket client because warp (which is
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// a dependency of Deno) uses it.
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let (_socket, response) =
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tokio_tungstenite::connect_async(ws_url).await.unwrap();
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assert_eq!("101 Switching Protocols", response.status().to_string());
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child.kill().unwrap();
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child.wait().unwrap();
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}
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#[tokio::test]
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async fn inspector_break_on_first_line() {
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let script = util::testdata_path().join("inspector/inspector2.js");
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let child = util::deno_cmd()
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.arg("run")
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.arg(inspect_flag_with_unique_port("--inspect-brk"))
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.arg(script)
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.stdout(std::process::Stdio::piped())
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.stderr(std::process::Stdio::piped())
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.spawn()
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.unwrap();
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let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
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tester.assert_stderr_for_inspect_brk();
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tester
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.send_many(&[
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json!({"id":1,"method":"Runtime.enable"}),
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json!({"id":2,"method":"Debugger.enable"}),
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])
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.await;
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tester.assert_received_messages(
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&[
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r#"{"id":1,"result":{}}"#,
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r#"{"id":2,"result":{"debuggerId":"#,
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],
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&[
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r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
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],
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)
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.await;
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tester
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.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
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.await;
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tester
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.assert_received_messages(
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&[r#"{"id":3,"result":{}}"#],
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&[r#"{"method":"Debugger.paused","#],
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)
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.await;
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tester
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.send(json!({
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"id":4,
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"method":"Runtime.evaluate",
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"params":{
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"expression":"Deno[Deno.internal].core.print(\"hello from the inspector\\n\")",
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"contextId":1,
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"includeCommandLineAPI":true,
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"silent":false,
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"returnByValue":true
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}
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}))
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.await;
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tester
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.assert_received_messages(
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&[r#"{"id":4,"result":{"result":{"type":"undefined"}}}"#],
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&[],
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)
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.await;
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assert_eq!(
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&tester.stdout_lines.next().unwrap(),
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"hello from the inspector"
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);
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tester
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.send(json!({"id":5,"method":"Debugger.resume"}))
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.await;
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tester
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.assert_received_messages(&[r#"{"id":5,"result":{}}"#], &[])
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.await;
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assert_eq!(
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&tester.stdout_lines.next().unwrap(),
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"hello from the script"
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);
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tester.child.kill().unwrap();
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tester.child.wait().unwrap();
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}
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#[tokio::test]
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async fn inspector_pause() {
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let script = util::testdata_path().join("inspector/inspector1.js");
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let child = util::deno_cmd()
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.arg("run")
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.arg(inspect_flag_with_unique_port("--inspect"))
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.arg(script)
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.stdout(std::process::Stdio::piped())
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.stderr(std::process::Stdio::piped())
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.spawn()
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.unwrap();
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let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
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tester
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.send(json!({"id":6,"method":"Debugger.enable"}))
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.await;
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tester
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.assert_received_messages(&[r#"{"id":6,"result":{"debuggerId":"#], &[])
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.await;
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tester
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.send(json!({"id":31,"method":"Debugger.pause"}))
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.await;
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tester
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.assert_received_messages(&[r#"{"id":31,"result":{}}"#], &[])
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.await;
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tester.child.kill().unwrap();
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}
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#[tokio::test]
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async fn inspector_port_collision() {
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// Skip this test on WSL, which allows multiple processes to listen on the
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// same port, rather than making `bind()` fail with `EADDRINUSE`.
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if cfg!(target_os = "linux") && std::env::var_os("WSL_DISTRO_NAME").is_some()
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{
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return;
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}
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let script = util::testdata_path().join("inspector/inspector1.js");
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let inspect_flag = inspect_flag_with_unique_port("--inspect");
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let mut child1 = util::deno_cmd()
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.arg("run")
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.arg(&inspect_flag)
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.arg(script.clone())
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.stderr(std::process::Stdio::piped())
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.spawn()
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.unwrap();
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let stderr_1 = child1.stderr.as_mut().unwrap();
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let mut stderr_1_lines = std::io::BufReader::new(stderr_1)
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.lines()
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.map(|r| r.unwrap());
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let _ = extract_ws_url_from_stderr(&mut stderr_1_lines);
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let mut child2 = util::deno_cmd()
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.arg("run")
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.arg(&inspect_flag)
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.arg(script)
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.stderr(std::process::Stdio::piped())
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.spawn()
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.unwrap();
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let stderr_2 = child2.stderr.as_mut().unwrap();
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let stderr_2_error_message = std::io::BufReader::new(stderr_2)
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.lines()
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.map(|r| r.unwrap())
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.inspect(|line| assert!(!line.contains("Debugger listening")))
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.find(|line| line.contains("Cannot start inspector server"));
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assert!(stderr_2_error_message.is_some());
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child1.kill().unwrap();
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child1.wait().unwrap();
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child2.wait().unwrap();
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}
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|
|
#[tokio::test]
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async fn inspector_does_not_hang() {
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let script = util::testdata_path().join("inspector/inspector3.js");
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let child = util::deno_cmd()
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.arg("run")
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.arg(inspect_flag_with_unique_port("--inspect-brk"))
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.env("NO_COLOR", "1")
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.arg(script)
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.stdout(std::process::Stdio::piped())
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.stderr(std::process::Stdio::piped())
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.spawn()
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.unwrap();
|
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|
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let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
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|
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tester.assert_stderr_for_inspect_brk();
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|
|
|
tester
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.send_many(&[
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json!({"id":1,"method":"Runtime.enable"}),
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json!({"id":2,"method":"Debugger.enable"}),
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])
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.await;
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tester.assert_received_messages(
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&[
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r#"{"id":1,"result":{}}"#,
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r#"{"id":2,"result":{"debuggerId":"#
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],
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&[
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r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#
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],
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)
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.await;
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|
|
|
tester
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.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
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.await;
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tester
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.assert_received_messages(
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&[r#"{"id":3,"result":{}}"#],
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&[r#"{"method":"Debugger.paused","#],
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)
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.await;
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|
|
tester
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.send(json!({"id":4,"method":"Debugger.resume"}))
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.await;
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tester
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|
.assert_received_messages(
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&[r#"{"id":4,"result":{}}"#],
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&[r#"{"method":"Debugger.resumed","params":{}}"#],
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)
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.await;
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|
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for i in 0..128u32 {
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let request_id = i + 10;
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// Expect the number {i} on stdout.
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let s = i.to_string();
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assert_eq!(tester.stdout_lines.next().unwrap(), s);
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|
|
tester
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.assert_received_messages(
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&[],
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&[
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r#"{"method":"Runtime.consoleAPICalled","#,
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r#"{"method":"Debugger.paused","#,
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|
],
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)
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.await;
|
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|
|
tester
|
|
.send(json!({"id":request_id,"method":"Debugger.resume"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[&format!(r#"{{"id":{request_id},"result":{{}}}}"#)],
|
|
&[r#"{"method":"Debugger.resumed","params":{}}"#],
|
|
)
|
|
.await;
|
|
}
|
|
|
|
// Check that we can gracefully close the websocket connection.
|
|
tester.socket_tx.close().await.unwrap();
|
|
tester.socket_rx.for_each(|_| async {}).await;
|
|
|
|
assert_eq!(&tester.stdout_lines.next().unwrap(), "done");
|
|
assert!(tester.child.wait().unwrap().success());
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_without_brk_runs_code() {
|
|
let script = util::testdata_path().join("inspector/inspector4.js");
|
|
let mut child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg(inspect_flag_with_unique_port("--inspect"))
|
|
.arg(script)
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
let _ = extract_ws_url_from_stderr(&mut stderr_lines);
|
|
|
|
// Check that inspector actually runs code without waiting for inspector
|
|
// connection.
|
|
let stdout = child.stdout.as_mut().unwrap();
|
|
let mut stdout_lines =
|
|
std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());
|
|
let stdout_first_line = stdout_lines.next().unwrap();
|
|
assert_eq!(stdout_first_line, "hello");
|
|
|
|
child.kill().unwrap();
|
|
child.wait().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_runtime_evaluate_does_not_crash() {
|
|
let child = util::deno_cmd()
|
|
.arg("repl")
|
|
.arg("--allow-read")
|
|
.arg(inspect_flag_with_unique_port("--inspect"))
|
|
.stdin(std::process::Stdio::piped())
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
let stdin = tester.child.stdin.take().unwrap();
|
|
|
|
tester.assert_stderr_for_inspect();
|
|
assert_starts_with!(&tester.stdout_line(), "Deno");
|
|
assert_eq!(
|
|
&tester.stdout_line(),
|
|
"exit using ctrl+d, ctrl+c, or close()"
|
|
);
|
|
assert_eq!(&tester.stderr_line(), "Debugger session started.");
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({
|
|
"id":3,
|
|
"method":"Runtime.compileScript",
|
|
"params":{
|
|
"expression":"Deno.cwd()",
|
|
"sourceURL":"",
|
|
"persistScript":false,
|
|
"executionContextId":1
|
|
}
|
|
}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":3,"result":{}}"#], &[])
|
|
.await;
|
|
tester
|
|
.send(json!({
|
|
"id":4,
|
|
"method":"Runtime.evaluate",
|
|
"params":{
|
|
"expression":"Deno.cwd()",
|
|
"objectGroup":"console",
|
|
"includeCommandLineAPI":true,
|
|
"silent":false,
|
|
"contextId":1,
|
|
"returnByValue":true,
|
|
"generatePreview":true,
|
|
"userGesture":true,
|
|
"awaitPromise":false,
|
|
"replMode":true
|
|
}
|
|
}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":4,"result":{"result":{"type":"string","value":""#],
|
|
&[],
|
|
)
|
|
.await;
|
|
tester
|
|
.send(json!({
|
|
"id":5,
|
|
"method":"Runtime.evaluate",
|
|
"params":{
|
|
"expression":"console.error('done');",
|
|
"objectGroup":"console",
|
|
"includeCommandLineAPI":true,
|
|
"silent":false,
|
|
"contextId":1,
|
|
"returnByValue":true,
|
|
"generatePreview":true,
|
|
"userGesture":true,
|
|
"awaitPromise":false,
|
|
"replMode":true
|
|
}
|
|
}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":5,"result":{"result":{"type":"undefined"}}}"#],
|
|
&[r#"{"method":"Runtime.consoleAPICalled"#],
|
|
)
|
|
.await;
|
|
assert_eq!(&tester.stderr_line(), "done");
|
|
drop(stdin);
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_json() {
|
|
let script = util::testdata_path().join("inspector/inspector1.js");
|
|
let mut child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg(inspect_flag_with_unique_port("--inspect"))
|
|
.arg(script)
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
let ws_url = extract_ws_url_from_stderr(&mut stderr_lines);
|
|
let mut url = ws_url.clone();
|
|
let _ = url.set_scheme("http");
|
|
url.set_path("/json");
|
|
let resp = reqwest::get(url).await.unwrap();
|
|
assert_eq!(resp.status(), reqwest::StatusCode::OK);
|
|
let endpoint_list: Vec<deno_core::serde_json::Value> =
|
|
serde_json::from_str(&resp.text().await.unwrap()).unwrap();
|
|
let matching_endpoint = endpoint_list
|
|
.iter()
|
|
.find(|e| e["webSocketDebuggerUrl"] == ws_url.as_str());
|
|
assert!(matching_endpoint.is_some());
|
|
child.kill().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_json_list() {
|
|
let script = util::testdata_path().join("inspector/inspector1.js");
|
|
let mut child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg(inspect_flag_with_unique_port("--inspect"))
|
|
.arg(script)
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
let ws_url = extract_ws_url_from_stderr(&mut stderr_lines);
|
|
let mut url = ws_url.clone();
|
|
let _ = url.set_scheme("http");
|
|
url.set_path("/json/list");
|
|
let resp = reqwest::get(url).await.unwrap();
|
|
assert_eq!(resp.status(), reqwest::StatusCode::OK);
|
|
let endpoint_list: Vec<deno_core::serde_json::Value> =
|
|
serde_json::from_str(&resp.text().await.unwrap()).unwrap();
|
|
let matching_endpoint = endpoint_list
|
|
.iter()
|
|
.find(|e| e["webSocketDebuggerUrl"] == ws_url.as_str());
|
|
assert!(matching_endpoint.is_some());
|
|
child.kill().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_connect_non_ws() {
|
|
// https://github.com/denoland/deno/issues/11449
|
|
// Verify we don't panic if non-WS connection is being established
|
|
let script = util::testdata_path().join("inspector/inspector1.js");
|
|
let mut child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg(inspect_flag_with_unique_port("--inspect"))
|
|
.arg(script)
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
let mut ws_url = extract_ws_url_from_stderr(&mut stderr_lines);
|
|
// Change scheme to URL and try send a request. We're not interested
|
|
// in the request result, just that the process doesn't panic.
|
|
ws_url.set_scheme("http").unwrap();
|
|
let resp = reqwest::get(ws_url).await.unwrap();
|
|
assert_eq!("400 Bad Request", resp.status().to_string());
|
|
child.kill().unwrap();
|
|
child.wait().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_break_on_first_line_in_test() {
|
|
let script = util::testdata_path().join("inspector/inspector_test.js");
|
|
let child = util::deno_cmd()
|
|
.arg("test")
|
|
.arg("--quiet")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg(script)
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({
|
|
"id":4,
|
|
"method":"Runtime.evaluate",
|
|
"params":{
|
|
"expression":"1 + 1",
|
|
"contextId":1,
|
|
"includeCommandLineAPI":true,
|
|
"silent":false,
|
|
"returnByValue":true
|
|
}
|
|
}))
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[r#"{"id":4,"result":{"result":{"type":"number","value":2,"description":"2"}}}"#],
|
|
&[],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":5,"method":"Debugger.resume"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":5,"result":{}}"#], &[])
|
|
.await;
|
|
|
|
assert_starts_with!(&tester.stdout_line(), "running 1 test from");
|
|
assert!(&tester.stdout_line().contains("basic test ... ok"));
|
|
|
|
tester.child.kill().unwrap();
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_with_ts_files() {
|
|
let script = util::testdata_path().join("inspector/test.ts");
|
|
let child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg("--check")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg(script)
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
fn notification_filter(msg: &str) -> bool {
|
|
(msg.starts_with(r#"{"method":"Debugger.scriptParsed","#)
|
|
&& msg.contains("testdata/inspector"))
|
|
|| !msg.starts_with(r#"{"method":"Debugger.scriptParsed","#)
|
|
}
|
|
|
|
let mut tester = InspectorTester::create(child, notification_filter).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
// receive messages with sources from this test
|
|
let script1 = tester.recv().await;
|
|
assert!(script1.contains("testdata/inspector/test.ts"));
|
|
let script1_id = {
|
|
let v: serde_json::Value = serde_json::from_str(&script1).unwrap();
|
|
v["params"]["scriptId"].as_str().unwrap().to_string()
|
|
};
|
|
let script2 = tester.recv().await;
|
|
assert!(script2.contains("testdata/inspector/foo.ts"));
|
|
let script2_id = {
|
|
let v: serde_json::Value = serde_json::from_str(&script2).unwrap();
|
|
v["params"]["scriptId"].as_str().unwrap().to_string()
|
|
};
|
|
let script3 = tester.recv().await;
|
|
assert!(script3.contains("testdata/inspector/bar.js"));
|
|
let script3_id = {
|
|
let v: serde_json::Value = serde_json::from_str(&script3).unwrap();
|
|
v["params"]["scriptId"].as_str().unwrap().to_string()
|
|
};
|
|
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":2,"result":{"debuggerId":"#], &[])
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester.send_many(
|
|
&[
|
|
json!({"id":4,"method":"Debugger.getScriptSource","params":{"scriptId":script1_id.as_str()}}),
|
|
json!({"id":5,"method":"Debugger.getScriptSource","params":{"scriptId":script2_id.as_str()}}),
|
|
json!({"id":6,"method":"Debugger.getScriptSource","params":{"scriptId":script3_id.as_str()}}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":4,"result":{"scriptSource":"import { foo } from \"./foo.ts\";\nimport { bar } from \"./bar.js\";\nconsole.log(foo());\nconsole.log(bar());\n//# sourceMappingURL=data:application/json;base64,"#,
|
|
r#"{"id":5,"result":{"scriptSource":"class Foo {\n hello() {\n return \"hello\";\n }\n}\nexport function foo() {\n const f = new Foo();\n return f.hello();\n}\n//# sourceMappingURL=data:application/json;base64,"#,
|
|
r#"{"id":6,"result":{"scriptSource":"export function bar() {\n return \"world\";\n}\n"#,
|
|
],
|
|
&[],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":7,"method":"Debugger.resume"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":7,"result":{}}"#], &[])
|
|
.await;
|
|
|
|
assert_eq!(&tester.stdout_line(), "hello");
|
|
assert_eq!(&tester.stdout_line(), "world");
|
|
|
|
tester.assert_received_messages(
|
|
&[],
|
|
&[
|
|
r#"{"method":"Debugger.resumed","params":{}}"#,
|
|
r#"{"method":"Runtime.consoleAPICalled","#,
|
|
r#"{"method":"Runtime.consoleAPICalled","#,
|
|
r#"{"method":"Runtime.executionContextDestroyed","params":{"executionContextId":1"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
assert_eq!(
|
|
&tester.stdout_line(),
|
|
"Program finished. Waiting for inspector to disconnect to exit the process..."
|
|
);
|
|
|
|
tester.child.kill().unwrap();
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_memory() {
|
|
let script = util::testdata_path().join("inspector/memory.js");
|
|
let child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg(script)
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}),
|
|
json!({"id":4,"method":"HeapProfiler.enable"}),
|
|
])
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#, r#"{"id":4,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":5,"method":"Runtime.getHeapUsage", "params": {}}))
|
|
.await;
|
|
|
|
let json_msg = tester.recv_as_json().await;
|
|
assert_eq!(json_msg["id"].as_i64().unwrap(), 5);
|
|
let result = &json_msg["result"];
|
|
assert!(
|
|
result["usedSize"].as_i64().unwrap()
|
|
<= result["totalSize"].as_i64().unwrap()
|
|
);
|
|
|
|
tester
|
|
.send(json!({
|
|
"id":6,
|
|
"method":"HeapProfiler.takeHeapSnapshot",
|
|
"params": {
|
|
"reportProgress": true,
|
|
"treatGlobalObjectsAsRoots": true,
|
|
"captureNumberValue": false
|
|
}
|
|
}))
|
|
.await;
|
|
|
|
let mut progress_report_completed = false;
|
|
loop {
|
|
let msg = tester.recv().await;
|
|
|
|
// TODO(bartlomieju): can be abstracted
|
|
if !progress_report_completed
|
|
&& msg.starts_with(
|
|
r#"{"method":"HeapProfiler.reportHeapSnapshotProgress","params""#,
|
|
)
|
|
{
|
|
let json_msg: serde_json::Value = serde_json::from_str(&msg).unwrap();
|
|
if let Some(finished) = json_msg["params"].get("finished") {
|
|
progress_report_completed = finished.as_bool().unwrap();
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if msg.starts_with(r#"{"method":"HeapProfiler.reportHeapSnapshotProgress","params":{"done":"#,) {
|
|
continue;
|
|
}
|
|
|
|
if msg.starts_with(r#"{"id":6,"result":{}}"#) {
|
|
assert!(progress_report_completed);
|
|
break;
|
|
}
|
|
}
|
|
|
|
tester.child.kill().unwrap();
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_profile() {
|
|
let script = util::testdata_path().join("inspector/memory.js");
|
|
let child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg(script)
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}),
|
|
json!({"id":4,"method":"Profiler.enable"}),
|
|
])
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#, r#"{"id":4,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester.send_many(
|
|
&[
|
|
json!({"id":5,"method":"Profiler.setSamplingInterval","params":{"interval": 100}}),
|
|
json!({"id":6,"method":"Profiler.start","params":{}}),
|
|
],
|
|
).await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":5,"result":{}}"#, r#"{"id":6,"result":{}}"#],
|
|
&[],
|
|
)
|
|
.await;
|
|
|
|
tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
|
|
|
|
tester
|
|
.send(json!({"id":7,"method":"Profiler.stop", "params": {}}))
|
|
.await;
|
|
let json_msg = tester.recv_as_json().await;
|
|
assert_eq!(json_msg["id"].as_i64().unwrap(), 7);
|
|
let result = &json_msg["result"];
|
|
let profile = &result["profile"];
|
|
assert!(
|
|
profile["startTime"].as_i64().unwrap()
|
|
< profile["endTime"].as_i64().unwrap()
|
|
);
|
|
profile["samples"].as_array().unwrap();
|
|
profile["nodes"].as_array().unwrap();
|
|
|
|
tester.child.kill().unwrap();
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
// TODO(bartlomieju): this test became flaky on CI after wiring up "ext/node"
|
|
// compatibility layer. Can't reproduce this problem locally for either Mac M1
|
|
// or Linux. Ignoring for now to unblock further integration of "ext/node".
|
|
#[ignore]
|
|
#[tokio::test]
|
|
async fn inspector_break_on_first_line_npm_esm() {
|
|
let _server = http_server();
|
|
|
|
let child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg("--quiet")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg("npm:@denotest/bin/cli-esm")
|
|
.arg("this")
|
|
.arg("is")
|
|
.arg("a")
|
|
.arg("test")
|
|
.envs(util::env_vars_for_npm_tests())
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":4,"method":"Debugger.resume"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":4,"result":{}}"#], &[])
|
|
.await;
|
|
|
|
assert_eq!(&tester.stdout_line(), "this");
|
|
assert_eq!(&tester.stdout_line(), "is");
|
|
assert_eq!(&tester.stdout_line(), "a");
|
|
assert_eq!(&tester.stdout_line(), "test");
|
|
|
|
tester.child.kill().unwrap();
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
// TODO(bartlomieju): this test became flaky on CI after wiring up "ext/node"
|
|
// compatibility layer. Can't reproduce this problem locally for either Mac M1
|
|
// or Linux. Ignoring for now to unblock further integration of "ext/node".
|
|
#[ignore]
|
|
#[tokio::test]
|
|
async fn inspector_break_on_first_line_npm_cjs() {
|
|
let _server = http_server();
|
|
let child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg("--quiet")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg("npm:@denotest/bin/cli-cjs")
|
|
.arg("this")
|
|
.arg("is")
|
|
.arg("a")
|
|
.arg("test")
|
|
.envs(util::env_vars_for_npm_tests())
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":4,"method":"Debugger.resume"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":4,"result":{}}"#], &[])
|
|
.await;
|
|
|
|
assert_eq!(&tester.stdout_line(), "this");
|
|
assert_eq!(&tester.stdout_line(), "is");
|
|
assert_eq!(&tester.stdout_line(), "a");
|
|
assert_eq!(&tester.stdout_line(), "test");
|
|
|
|
tester.child.kill().unwrap();
|
|
tester.child.wait().unwrap();
|
|
}
|
|
|
|
// TODO(bartlomieju): this test became flaky on CI after wiring up "ext/node"
|
|
// compatibility layer. Can't reproduce this problem locally for either Mac M1
|
|
// or Linux. Ignoring for now to unblock further integration of "ext/node".
|
|
#[ignore]
|
|
#[tokio::test]
|
|
async fn inspector_error_with_npm_import() {
|
|
let script = util::testdata_path().join("inspector/error_with_npm_import.js");
|
|
let _server = http_server();
|
|
|
|
let child = util::deno_cmd()
|
|
.arg("run")
|
|
.arg("--quiet")
|
|
.arg("-A")
|
|
.arg(inspect_flag_with_unique_port("--inspect-brk"))
|
|
.arg(script)
|
|
.envs(util::env_vars_for_npm_tests())
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(
|
|
&[r#"{"id":3,"result":{}}"#],
|
|
&[r#"{"method":"Debugger.paused","#],
|
|
)
|
|
.await;
|
|
|
|
tester
|
|
.send(json!({"id":4,"method":"Debugger.resume"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":4,"result":{}}"#], &[])
|
|
.await;
|
|
|
|
// TODO(bartlomieju): this is a partial fix, we should assert that
|
|
// "Runtime.exceptionThrown" notification was sent, but a bindings for this
|
|
// notification is not yet there
|
|
assert_eq!(&tester.stderr_line(), "Debugger session started.");
|
|
assert_eq!(&tester.stderr_line(), "error: Uncaught Error: boom!");
|
|
|
|
assert_eq!(tester.child.wait().unwrap().code(), Some(1));
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn inspector_wait() {
|
|
let script = util::testdata_path().join("inspector/inspect_wait.js");
|
|
let temp_dir = TempDir::new();
|
|
|
|
let child = util::deno_cmd()
|
|
.current_dir(temp_dir.path())
|
|
.arg("run")
|
|
.arg("--quiet")
|
|
.arg("-A")
|
|
.arg(inspect_flag_with_unique_port("--inspect-wait"))
|
|
.arg(script)
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
tokio::time::sleep(tokio::time::Duration::from_millis(300)).await;
|
|
assert!(!temp_dir.path().join("hello.txt").exists());
|
|
|
|
let mut tester = InspectorTester::create(child, ignore_script_parsed).await;
|
|
|
|
tester.assert_stderr_for_inspect_brk();
|
|
tester
|
|
.send_many(&[
|
|
json!({"id":1,"method":"Runtime.enable"}),
|
|
json!({"id":2,"method":"Debugger.enable"}),
|
|
])
|
|
.await;
|
|
tester.assert_received_messages(
|
|
&[
|
|
r#"{"id":1,"result":{}}"#,
|
|
r#"{"id":2,"result":{"debuggerId":"#,
|
|
],
|
|
&[
|
|
r#"{"method":"Runtime.executionContextCreated","params":{"context":{"id":1,"#,
|
|
],
|
|
)
|
|
.await;
|
|
// TODO(bartlomieju): ideally this shouldn't be needed, but currently there's
|
|
// no way to express that in inspector code. Most clients always send this
|
|
// message anyway.
|
|
tester
|
|
.send(json!({"id":3,"method":"Runtime.runIfWaitingForDebugger"}))
|
|
.await;
|
|
tester
|
|
.assert_received_messages(&[r#"{"id":3,"result":{}}"#], &[])
|
|
.await;
|
|
assert_eq!(&tester.stderr_line(), "Debugger session started.");
|
|
tokio::time::sleep(tokio::time::Duration::from_millis(300)).await;
|
|
assert_eq!(&tester.stderr_line(), "did run");
|
|
assert!(temp_dir.path().join("hello.txt").exists());
|
|
tester.child.kill().unwrap();
|
|
}
|