mirror of
https://github.com/denoland/deno.git
synced 2024-11-15 16:43:44 -05:00
597 lines
20 KiB
Rust
597 lines
20 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use std::io::BufRead;
|
|
use tempfile::TempDir;
|
|
use test_util as util;
|
|
|
|
// Helper function to skip watcher output that contains "Restarting"
|
|
// phrase.
|
|
fn skip_restarting_line(
|
|
mut stderr_lines: impl Iterator<Item = String>,
|
|
) -> String {
|
|
loop {
|
|
let msg = stderr_lines.next().unwrap();
|
|
if !msg.contains("Restarting") {
|
|
return msg;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Helper function to skip watcher output that doesn't contain
|
|
/// "{job_name} finished" phrase.
|
|
fn wait_for_process_finished(
|
|
job_name: &str,
|
|
stderr_lines: &mut impl Iterator<Item = String>,
|
|
) {
|
|
let phrase = format!("{} finished", job_name);
|
|
loop {
|
|
let msg = stderr_lines.next().unwrap();
|
|
if msg.contains(&phrase) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Helper function to skip watcher output that doesn't contain
|
|
/// "{job_name} failed" phrase.
|
|
fn wait_for_process_failed(
|
|
job_name: &str,
|
|
stderr_lines: &mut impl Iterator<Item = String>,
|
|
) {
|
|
let phrase = format!("{} failed", job_name);
|
|
loop {
|
|
let msg = stderr_lines.next().unwrap();
|
|
if msg.contains(&phrase) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn fmt_watch_test() {
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
let fixed = util::root_path().join("cli/tests/badly_formatted_fixed.js");
|
|
let badly_formatted_original =
|
|
util::root_path().join("cli/tests/badly_formatted.mjs");
|
|
let badly_formatted = t.path().join("badly_formatted.js");
|
|
std::fs::copy(&badly_formatted_original, &badly_formatted)
|
|
.expect("Failed to copy file");
|
|
|
|
let mut child = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("fmt")
|
|
.arg(&badly_formatted)
|
|
.arg("--watch")
|
|
.arg("--unstable")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("Failed to spawn script");
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
// TODO(lucacasonato): remove this timeout. It seems to be needed on Linux.
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
|
|
assert!(skip_restarting_line(stderr_lines).contains("badly_formatted.js"));
|
|
|
|
let expected = std::fs::read_to_string(fixed.clone()).unwrap();
|
|
let actual = std::fs::read_to_string(badly_formatted.clone()).unwrap();
|
|
assert_eq!(expected, actual);
|
|
|
|
// Change content of the file again to be badly formatted
|
|
std::fs::copy(&badly_formatted_original, &badly_formatted)
|
|
.expect("Failed to copy file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
|
|
// Check if file has been automatically formatted by watcher
|
|
let expected = std::fs::read_to_string(fixed).unwrap();
|
|
let actual = std::fs::read_to_string(badly_formatted).unwrap();
|
|
assert_eq!(expected, actual);
|
|
|
|
// the watcher process is still alive
|
|
assert!(child.try_wait().unwrap().is_none());
|
|
|
|
child.kill().unwrap();
|
|
drop(t);
|
|
}
|
|
|
|
#[test]
|
|
fn bundle_js_watch() {
|
|
use std::path::PathBuf;
|
|
// Test strategy extends this of test bundle_js by adding watcher
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
let file_to_watch = t.path().join("file_to_watch.js");
|
|
std::fs::write(&file_to_watch, "console.log('Hello world');")
|
|
.expect("error writing file");
|
|
assert!(file_to_watch.is_file());
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
let bundle = t.path().join("mod6.bundle.js");
|
|
let mut deno = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("bundle")
|
|
.arg(&file_to_watch)
|
|
.arg(&bundle)
|
|
.arg("--watch")
|
|
.arg("--unstable")
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("failed to spawn script");
|
|
|
|
let stderr = deno.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("file_to_watch.js"));
|
|
assert!(stderr_lines.next().unwrap().contains("mod6.bundle.js"));
|
|
let file = PathBuf::from(&bundle);
|
|
assert!(file.is_file());
|
|
wait_for_process_finished("Bundle", &mut stderr_lines);
|
|
|
|
std::fs::write(&file_to_watch, "console.log('Hello world2');")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines
|
|
.next()
|
|
.unwrap()
|
|
.contains("File change detected!"));
|
|
assert!(stderr_lines.next().unwrap().contains("file_to_watch.js"));
|
|
assert!(stderr_lines.next().unwrap().contains("mod6.bundle.js"));
|
|
let file = PathBuf::from(&bundle);
|
|
assert!(file.is_file());
|
|
wait_for_process_finished("Bundle", &mut stderr_lines);
|
|
|
|
// Confirm that the watcher keeps on working even if the file is updated and has invalid syntax
|
|
std::fs::write(&file_to_watch, "syntax error ^^")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines
|
|
.next()
|
|
.unwrap()
|
|
.contains("File change detected!"));
|
|
assert!(stderr_lines.next().unwrap().contains("error: "));
|
|
wait_for_process_failed("Bundle", &mut stderr_lines);
|
|
|
|
// the watcher process is still alive
|
|
assert!(deno.try_wait().unwrap().is_none());
|
|
|
|
deno.kill().unwrap();
|
|
drop(t);
|
|
}
|
|
|
|
/// Confirm that the watcher continues to work even if module resolution fails at the *first* attempt
|
|
#[test]
|
|
fn bundle_watch_not_exit() {
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
let file_to_watch = t.path().join("file_to_watch.js");
|
|
std::fs::write(&file_to_watch, "syntax error ^^")
|
|
.expect("error writing file");
|
|
let target_file = t.path().join("target.js");
|
|
|
|
let mut deno = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("bundle")
|
|
.arg(&file_to_watch)
|
|
.arg(&target_file)
|
|
.arg("--watch")
|
|
.arg("--unstable")
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("failed to spawn script");
|
|
|
|
let stderr = deno.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("error:"));
|
|
assert!(stderr_lines.next().unwrap().contains("Bundle failed"));
|
|
// the target file hasn't been created yet
|
|
assert!(!target_file.is_file());
|
|
|
|
// Make sure the watcher actually restarts and works fine with the proper syntax
|
|
std::fs::write(&file_to_watch, "console.log(42);")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines
|
|
.next()
|
|
.unwrap()
|
|
.contains("File change detected!"));
|
|
assert!(stderr_lines.next().unwrap().contains("file_to_watch.js"));
|
|
assert!(stderr_lines.next().unwrap().contains("target.js"));
|
|
wait_for_process_finished("Bundle", &mut stderr_lines);
|
|
// bundled file is created
|
|
assert!(target_file.is_file());
|
|
|
|
// the watcher process is still alive
|
|
assert!(deno.try_wait().unwrap().is_none());
|
|
|
|
deno.kill().unwrap();
|
|
drop(t);
|
|
}
|
|
|
|
#[test]
|
|
fn run_watch() {
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
let file_to_watch = t.path().join("file_to_watch.js");
|
|
std::fs::write(&file_to_watch, "console.log('Hello world');")
|
|
.expect("error writing file");
|
|
|
|
let mut child = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("run")
|
|
.arg("--watch")
|
|
.arg("--unstable")
|
|
.arg(&file_to_watch)
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("failed to spawn script");
|
|
|
|
let stdout = child.stdout.as_mut().unwrap();
|
|
let mut stdout_lines =
|
|
std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
assert!(stdout_lines.next().unwrap().contains("Hello world"));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// TODO(lucacasonato): remove this timeout. It seems to be needed on Linux.
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
|
|
// Change content of the file
|
|
std::fs::write(&file_to_watch, "console.log('Hello world2');")
|
|
.expect("error writing file");
|
|
// Events from the file watcher is "debounced", so we need to wait for the next execution to start
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stdout_lines.next().unwrap().contains("Hello world2"));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// Add dependency
|
|
let another_file = t.path().join("another_file.js");
|
|
std::fs::write(&another_file, "export const foo = 0;")
|
|
.expect("error writing file");
|
|
std::fs::write(
|
|
&file_to_watch,
|
|
"import { foo } from './another_file.js'; console.log(foo);",
|
|
)
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stdout_lines.next().unwrap().contains('0'));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// Confirm that restarting occurs when a new file is updated
|
|
std::fs::write(&another_file, "export const foo = 42;")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stdout_lines.next().unwrap().contains("42"));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// Confirm that the watcher keeps on working even if the file is updated and has invalid syntax
|
|
std::fs::write(&file_to_watch, "syntax error ^^")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stderr_lines.next().unwrap().contains("error:"));
|
|
wait_for_process_failed("Process", &mut stderr_lines);
|
|
|
|
// Then restore the file
|
|
std::fs::write(
|
|
&file_to_watch,
|
|
"import { foo } from './another_file.js'; console.log(foo);",
|
|
)
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stdout_lines.next().unwrap().contains("42"));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// Update the content of the imported file with invalid syntax
|
|
std::fs::write(&another_file, "syntax error ^^").expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stderr_lines.next().unwrap().contains("error:"));
|
|
wait_for_process_failed("Process", &mut stderr_lines);
|
|
|
|
// Modify the imported file and make sure that restarting occurs
|
|
std::fs::write(&another_file, "export const foo = 'modified!';")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stdout_lines.next().unwrap().contains("modified!"));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// the watcher process is still alive
|
|
assert!(child.try_wait().unwrap().is_none());
|
|
|
|
child.kill().unwrap();
|
|
drop(t);
|
|
}
|
|
|
|
/// Confirm that the watcher continues to work even if module resolution fails at the *first* attempt
|
|
#[test]
|
|
fn run_watch_not_exit() {
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
let file_to_watch = t.path().join("file_to_watch.js");
|
|
std::fs::write(&file_to_watch, "syntax error ^^")
|
|
.expect("error writing file");
|
|
|
|
let mut child = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("run")
|
|
.arg("--watch")
|
|
.arg("--unstable")
|
|
.arg(&file_to_watch)
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("failed to spawn script");
|
|
|
|
let stdout = child.stdout.as_mut().unwrap();
|
|
let mut stdout_lines =
|
|
std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("error:"));
|
|
assert!(stderr_lines.next().unwrap().contains("Process failed"));
|
|
|
|
// Make sure the watcher actually restarts and works fine with the proper syntax
|
|
std::fs::write(&file_to_watch, "console.log(42);")
|
|
.expect("error writing file");
|
|
std::thread::sleep(std::time::Duration::from_secs(1));
|
|
assert!(stderr_lines.next().unwrap().contains("Restarting"));
|
|
assert!(stdout_lines.next().unwrap().contains("42"));
|
|
wait_for_process_finished("Process", &mut stderr_lines);
|
|
|
|
// the watcher process is still alive
|
|
assert!(child.try_wait().unwrap().is_none());
|
|
|
|
child.kill().unwrap();
|
|
drop(t);
|
|
}
|
|
|
|
#[test]
|
|
fn run_watch_with_import_map_and_relative_paths() {
|
|
fn create_relative_tmp_file(
|
|
directory: &TempDir,
|
|
filename: &'static str,
|
|
filecontent: &'static str,
|
|
) -> std::path::PathBuf {
|
|
let absolute_path = directory.path().join(filename);
|
|
std::fs::write(&absolute_path, filecontent).expect("error writing file");
|
|
let relative_path = absolute_path
|
|
.strip_prefix(util::root_path())
|
|
.expect("unable to create relative temporary file")
|
|
.to_owned();
|
|
assert!(relative_path.is_relative());
|
|
relative_path
|
|
}
|
|
let temp_directory =
|
|
TempDir::new_in(util::root_path()).expect("tempdir fail");
|
|
let file_to_watch = create_relative_tmp_file(
|
|
&temp_directory,
|
|
"file_to_watch.js",
|
|
"console.log('Hello world');",
|
|
);
|
|
let import_map_path = create_relative_tmp_file(
|
|
&temp_directory,
|
|
"import_map.json",
|
|
"{\"imports\": {}}",
|
|
);
|
|
|
|
let mut child = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("run")
|
|
.arg("--unstable")
|
|
.arg("--watch")
|
|
.arg("--import-map")
|
|
.arg(&import_map_path)
|
|
.arg(&file_to_watch)
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("failed to spawn script");
|
|
|
|
let stdout = child.stdout.as_mut().unwrap();
|
|
let mut stdout_lines =
|
|
std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
assert!(stderr_lines.next().unwrap().contains("Process finished"));
|
|
assert!(stdout_lines.next().unwrap().contains("Hello world"));
|
|
|
|
child.kill().unwrap();
|
|
|
|
drop(file_to_watch);
|
|
drop(import_map_path);
|
|
temp_directory.close().unwrap();
|
|
}
|
|
|
|
// TODO(bartlomieju): flaky (https://github.com/denoland/deno/issues/10552)
|
|
#[ignore]
|
|
#[test]
|
|
fn test_watch() {
|
|
macro_rules! assert_contains {
|
|
($string:expr, $($test:expr),+) => {
|
|
let string = $string; // This might be a function call or something
|
|
if !($(string.contains($test))||+) {
|
|
panic!("{:?} does not contain any of {:?}", string, [$($test),+]);
|
|
}
|
|
}
|
|
}
|
|
|
|
let t = TempDir::new().expect("tempdir fail");
|
|
|
|
let mut child = util::deno_cmd()
|
|
.current_dir(util::root_path())
|
|
.arg("test")
|
|
.arg("--watch")
|
|
.arg("--unstable")
|
|
.arg("--no-check")
|
|
.arg(&t.path())
|
|
.env("NO_COLOR", "1")
|
|
.stdout(std::process::Stdio::piped())
|
|
.stderr(std::process::Stdio::piped())
|
|
.spawn()
|
|
.expect("failed to spawn script");
|
|
|
|
let stdout = child.stdout.as_mut().unwrap();
|
|
let mut stdout_lines =
|
|
std::io::BufReader::new(stdout).lines().map(|r| r.unwrap());
|
|
let stderr = child.stderr.as_mut().unwrap();
|
|
let mut stderr_lines =
|
|
std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
|
|
|
|
assert_contains!(
|
|
stdout_lines.next().unwrap(),
|
|
"No matching test modules found"
|
|
);
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
let foo_file = t.path().join("foo.js");
|
|
let bar_file = t.path().join("bar.js");
|
|
let foo_test = t.path().join("foo_test.js");
|
|
let bar_test = t.path().join("bar_test.js");
|
|
std::fs::write(&foo_file, "export default function foo() { 1 + 1 }")
|
|
.expect("error writing file");
|
|
std::fs::write(&bar_file, "export default function bar() { 2 + 2 }")
|
|
.expect("error writing file");
|
|
std::fs::write(
|
|
&foo_test,
|
|
"import foo from './foo.js'; Deno.test('foo', foo);",
|
|
)
|
|
.expect("error writing file");
|
|
std::fs::write(
|
|
&bar_test,
|
|
"import bar from './bar.js'; Deno.test('bar', bar);",
|
|
)
|
|
.expect("error writing file");
|
|
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "foo", "bar");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "foo", "bar");
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Change content of the file
|
|
std::fs::write(
|
|
&foo_test,
|
|
"import foo from './foo.js'; Deno.test('foobar', foo);",
|
|
)
|
|
.expect("error writing file");
|
|
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "foobar");
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Add test
|
|
let another_test = t.path().join("new_test.js");
|
|
std::fs::write(&another_test, "Deno.test('another one', () => 3 + 3)")
|
|
.expect("error writing file");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "another one");
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Confirm that restarting occurs when a new file is updated
|
|
std::fs::write(&another_test, "Deno.test('another one', () => 3 + 3); Deno.test('another another one', () => 4 + 4)")
|
|
.expect("error writing file");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 2 tests");
|
|
assert_contains!(stdout_lines.next().unwrap(), "another one");
|
|
assert_contains!(stdout_lines.next().unwrap(), "another another one");
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Confirm that the watcher keeps on working even if the file is updated and has invalid syntax
|
|
std::fs::write(&another_test, "syntax error ^^").expect("error writing file");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stderr_lines.next().unwrap(), "error:");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Test failed");
|
|
|
|
// Then restore the file
|
|
std::fs::write(&another_test, "Deno.test('another one', () => 3 + 3)")
|
|
.expect("error writing file");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "another one");
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Confirm that the watcher keeps on working even if the file is updated and the test fails
|
|
// This also confirms that it restarts when dependencies change
|
|
std::fs::write(
|
|
&foo_file,
|
|
"export default function foo() { throw new Error('Whoops!'); }",
|
|
)
|
|
.expect("error writing file");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "FAILED");
|
|
while !stdout_lines.next().unwrap().contains("test result") {}
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Then restore the file
|
|
std::fs::write(&foo_file, "export default function foo() { 1 + 1 }")
|
|
.expect("error writing file");
|
|
assert_contains!(stderr_lines.next().unwrap(), "Restarting");
|
|
assert_contains!(stdout_lines.next().unwrap(), "running 1 test");
|
|
assert_contains!(stdout_lines.next().unwrap(), "foo");
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
stdout_lines.next();
|
|
wait_for_process_finished("Test", &mut stderr_lines);
|
|
|
|
// Test that circular dependencies work fine
|
|
std::fs::write(
|
|
&foo_file,
|
|
"import './bar.js'; export default function foo() { 1 + 1 }",
|
|
)
|
|
.expect("error writing file");
|
|
std::fs::write(
|
|
&bar_file,
|
|
"import './foo.js'; export default function bar() { 2 + 2 }",
|
|
)
|
|
.expect("error writing file");
|
|
|
|
// the watcher process is still alive
|
|
assert!(child.try_wait().unwrap().is_none());
|
|
|
|
child.kill().unwrap();
|
|
drop(t);
|
|
}
|