// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.

use deno_core::error::AnyError;
use deno_core::futures::prelude::*;
use deno_core::futures::stream::SplitSink;
use deno_core::futures::stream::SplitStream;
use deno_core::serde_json;
use deno_core::serde_json::json;
use deno_core::url;
use deno_runtime::deno_fetch::reqwest;
use deno_runtime::deno_websocket::tokio_tungstenite;
use deno_runtime::deno_websocket::tokio_tungstenite::tungstenite;
use std::io::BufRead;
use test_util as util;
use test_util::TempDir;
use tokio::net::TcpStream;
use util::http_server;
use util::DenoChild;

struct InspectorTester {
  socket_tx: SplitSink<
    tokio_tungstenite::WebSocketStream<
      tokio_tungstenite::MaybeTlsStream<TcpStream>,
    >,
    tungstenite::Message,
  >,
  socket_rx: SplitStream<
    tokio_tungstenite::WebSocketStream<
      tokio_tungstenite::MaybeTlsStream<TcpStream>,
    >,
  >,
  notification_filter: Box<dyn FnMut(&str) -> bool + 'static>,
  child: DenoChild,
  stderr_lines: Box<dyn Iterator<Item = String>>,
  stdout_lines: Box<dyn Iterator<Item = String>>,
}

fn ignore_script_parsed(msg: &str) -> bool {
  !msg.starts_with(r#"{"method":"Debugger.scriptParsed","#)
}

impl InspectorTester {
  async fn create<F>(mut child: DenoChild, notification_filter: F) -> Self
  where
    F: FnMut(&str) -> bool + 'static,
  {
    let stdout = child.stdout.take().unwrap();
    let stdout_lines =
      std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());

    let stderr = child.stderr.take().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 (socket, response) =
      tokio_tungstenite::connect_async(ws_url).await.unwrap();
    assert_eq!(response.status(), 101); // Switching protocols.

    let (socket_tx, socket_rx) = socket.split();

    Self {
      socket_tx,
      socket_rx,
      notification_filter: Box::new(notification_filter),
      child,
      stderr_lines: Box::new(stderr_lines),
      stdout_lines: Box::new(stdout_lines),
    }
  }

  async fn send_many(&mut self, messages: &[serde_json::Value]) {
    // TODO(bartlomieju): add graceful error handling
    for msg in messages {
      let result = self
        .socket_tx
        .send(msg.to_string().into())
        .await
        .map_err(|e| e.into());
      self.handle_error(result);
    }
  }

  async fn send(&mut self, message: serde_json::Value) {
    self.send_many(&[message]).await;
  }

  fn handle_error<T>(&mut self, result: Result<T, AnyError>) -> T {
    match result {
      Ok(result) => result,
      Err(err) => {
        let mut stdout = vec![];
        for line in self.stdout_lines.by_ref() {
          stdout.push(line);
        }
        let mut stderr = vec![];
        for line in self.stderr_lines.by_ref() {
          stderr.push(line);
        }
        let stdout = stdout.join("\n");
        let stderr = stderr.join("\n");
        self.child.kill().unwrap();

        panic!(
          "Inspector test failed with error: {err:?}.\nstdout:\n{stdout}\nstderr:\n{stderr}"
        );
      }
    }
  }

  async fn recv(&mut self) -> String {
    loop {
      let result = self.socket_rx.next().await.unwrap().map_err(|e| e.into());
      let message = self.handle_error(result).to_string();
      if (self.notification_filter)(&message) {
        return message;
      }
    }
  }

  async fn recv_as_json(&mut self) -> serde_json::Value {
    let msg = self.recv().await;
    serde_json::from_str(&msg).unwrap()
  }

  async fn assert_received_messages(
    &mut self,
    responses: &[&str],
    notifications: &[&str],
  ) {
    let expected_messages = responses.len() + notifications.len();
    let mut responses_idx = 0;
    let mut notifications_idx = 0;

    for _ in 0..expected_messages {
      let msg = self.recv().await;

      if msg.starts_with(r#"{"id":"#) {
        assert!(
          msg.starts_with(responses[responses_idx]),
          "Doesn't start with {}, instead received {}",
          responses[responses_idx],
          msg
        );
        responses_idx += 1;
      } else {
        assert!(
          msg.starts_with(notifications[notifications_idx]),
          "Doesn't start with {}, instead received {}",
          notifications[notifications_idx],
          msg
        );
        notifications_idx += 1;
      }
    }
  }

  fn stderr_line(&mut self) -> String {
    self.stderr_lines.next().unwrap()
  }

  fn stdout_line(&mut self) -> String {
    self.stdout_lines.next().unwrap()
  }

  fn assert_stderr_for_inspect(&mut self) {
    assert_stderr(
      &mut self.stderr_lines,
      &["Visit chrome://inspect to connect to the debugger."],
    );
  }

  fn assert_stderr_for_inspect_brk(&mut self) {
    assert_stderr(
      &mut self.stderr_lines,
      &[
        "Visit chrome://inspect to connect to the debugger.",
        "Deno is waiting for debugger to connect.",
      ],
    );
  }
}

macro_rules! assert_starts_with {
    ($string:expr, $($test:expr),+) => {
      let string = $string; // This might be a function call or something
      if !($(string.starts_with($test))||+) {
        panic!("{:?} does not start with {:?}", string, [$($test),+]);
      }
    }
  }

fn assert_stderr(
  stderr_lines: &mut impl std::iter::Iterator<Item = String>,
  expected_lines: &[&str],
) {
  let mut expected_index = 0;

  loop {
    let line = skip_check_line(stderr_lines);

    assert_eq!(line, expected_lines[expected_index]);
    expected_index += 1;

    if expected_index >= expected_lines.len() {
      break;
    }
  }
}

fn inspect_flag_with_unique_port(flag_prefix: &str) -> String {
  use std::sync::atomic::AtomicU16;
  use std::sync::atomic::Ordering;
  static PORT: AtomicU16 = AtomicU16::new(9229);
  let port = PORT.fetch_add(1, Ordering::Relaxed);
  format!("{flag_prefix}=127.0.0.1:{port}")
}

fn extract_ws_url_from_stderr(
  stderr_lines: &mut impl std::iter::Iterator<Item = String>,
) -> url::Url {
  let stderr_first_line = skip_check_line(stderr_lines);
  assert_starts_with!(&stderr_first_line, "Debugger listening on ");
  let v: Vec<_> = stderr_first_line.match_indices("ws:").collect();
  assert_eq!(v.len(), 1);
  let ws_url_index = v[0].0;
  let ws_url = &stderr_first_line[ws_url_index..];
  url::Url::parse(ws_url).unwrap()
}

fn skip_check_line(
  stderr_lines: &mut impl std::iter::Iterator<Item = String>,
) -> String {
  loop {
    let mut line = stderr_lines.next().unwrap();
    line = util::strip_ansi_codes(&line).to_string();

    if line.starts_with("Check") {
      continue;
    }

    return line;
  }
}

#[tokio::test]
async fn inspector_connect() {
  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);

  // We use tokio_tungstenite as a websocket client because warp (which is
  // a dependency of Deno) uses it.
  let (_socket, response) =
    tokio_tungstenite::connect_async(ws_url).await.unwrap();
  assert_eq!("101 Switching Protocols", response.status().to_string());
  child.kill().unwrap();
  child.wait().unwrap();
}

#[tokio::test]
async fn inspector_break_on_first_line() {
  let script = util::testdata_path().join("inspector/inspector2.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(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":"Deno[Deno.internal].core.print(\"hello from the inspector\\n\")",
        "contextId":1,
        "includeCommandLineAPI":true,
        "silent":false,
        "returnByValue":true
      }
    }))
    .await;
  tester
    .assert_received_messages(
      &[r#"{"id":4,"result":{"result":{"type":"undefined"}}}"#],
      &[],
    )
    .await;

  assert_eq!(
    &tester.stdout_lines.next().unwrap(),
    "hello from the inspector"
  );

  tester
    .send(json!({"id":5,"method":"Debugger.resume"}))
    .await;
  tester
    .assert_received_messages(&[r#"{"id":5,"result":{}}"#], &[])
    .await;

  assert_eq!(
    &tester.stdout_lines.next().unwrap(),
    "hello from the script"
  );

  tester.child.kill().unwrap();
  tester.child.wait().unwrap();
}

#[tokio::test]
async fn inspector_pause() {
  let script = util::testdata_path().join("inspector/inspector1.js");
  let 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 mut tester = InspectorTester::create(child, ignore_script_parsed).await;

  tester
    .send(json!({"id":6,"method":"Debugger.enable"}))
    .await;
  tester
    .assert_received_messages(&[r#"{"id":6,"result":{"debuggerId":"#], &[])
    .await;

  tester
    .send(json!({"id":31,"method":"Debugger.pause"}))
    .await;

  tester
    .assert_received_messages(&[r#"{"id":31,"result":{}}"#], &[])
    .await;

  tester.child.kill().unwrap();
}

#[tokio::test]
async fn inspector_port_collision() {
  // Skip this test on WSL, which allows multiple processes to listen on the
  // same port, rather than making `bind()` fail with `EADDRINUSE`.
  if cfg!(target_os = "linux") && std::env::var_os("WSL_DISTRO_NAME").is_some()
  {
    return;
  }

  let script = util::testdata_path().join("inspector/inspector1.js");
  let inspect_flag = inspect_flag_with_unique_port("--inspect");

  let mut child1 = util::deno_cmd()
    .arg("run")
    .arg(&inspect_flag)
    .arg(script.clone())
    .stderr(std::process::Stdio::piped())
    .spawn()
    .unwrap();

  let stderr_1 = child1.stderr.as_mut().unwrap();
  let mut stderr_1_lines = std::io::BufReader::new(stderr_1)
    .lines()
    .map(|r| r.unwrap());
  let _ = extract_ws_url_from_stderr(&mut stderr_1_lines);

  let mut child2 = util::deno_cmd()
    .arg("run")
    .arg(&inspect_flag)
    .arg(script)
    .stderr(std::process::Stdio::piped())
    .spawn()
    .unwrap();

  let stderr_2 = child2.stderr.as_mut().unwrap();
  let stderr_2_error_message = std::io::BufReader::new(stderr_2)
    .lines()
    .map(|r| r.unwrap())
    .inspect(|line| assert!(!line.contains("Debugger listening")))
    .find(|line| line.contains("Cannot start inspector server"));
  assert!(stderr_2_error_message.is_some());

  child1.kill().unwrap();
  child1.wait().unwrap();
  child2.wait().unwrap();
}

#[tokio::test]
async fn inspector_does_not_hang() {
  let script = util::testdata_path().join("inspector/inspector3.js");
  let child = util::deno_cmd()
    .arg("run")
    .arg(inspect_flag_with_unique_port("--inspect-brk"))
    .env("NO_COLOR", "1")
    .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(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":{}}"#],
      &[r#"{"method":"Debugger.resumed","params":{}}"#],
    )
    .await;

  for i in 0..128u32 {
    let request_id = i + 10;
    // Expect the number {i} on stdout.
    let s = i.to_string();
    assert_eq!(tester.stdout_lines.next().unwrap(), s);

    tester
      .assert_received_messages(
        &[],
        &[
          r#"{"method":"Runtime.consoleAPICalled","#,
          r#"{"method":"Debugger.paused","#,
        ],
      )
      .await;

    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();
}