mirror of
https://github.com/denoland/deno.git
synced 2024-11-22 15:06:54 -05:00
597 lines
20 KiB
Rust
597 lines
20 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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use std::io::BufRead;
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use tempfile::TempDir;
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use test_util as util;
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// Helper function to skip watcher output that contains "Restarting"
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// phrase.
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fn skip_restarting_line(
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mut stderr_lines: impl Iterator<Item = String>,
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) -> String {
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loop {
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let msg = stderr_lines.next().unwrap();
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if !msg.contains("Restarting") {
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return msg;
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}
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}
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}
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/// Helper function to skip watcher output that doesn't contain
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/// "{job_name} finished" phrase.
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fn wait_for_process_finished(
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job_name: &str,
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stderr_lines: &mut impl Iterator<Item = String>,
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) {
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let phrase = format!("{} finished", job_name);
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loop {
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let msg = stderr_lines.next().unwrap();
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if msg.contains(&phrase) {
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break;
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}
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}
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}
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/// Helper function to skip watcher output that doesn't contain
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/// "{job_name} failed" phrase.
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fn wait_for_process_failed(
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job_name: &str,
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stderr_lines: &mut impl Iterator<Item = String>,
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) {
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let phrase = format!("{} failed", job_name);
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loop {
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let msg = stderr_lines.next().unwrap();
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if msg.contains(&phrase) {
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break;
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}
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}
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}
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#[test]
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fn fmt_watch_test() {
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let t = TempDir::new().expect("tempdir fail");
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let fixed = util::root_path().join("cli/tests/badly_formatted_fixed.js");
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let badly_formatted_original =
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util::root_path().join("cli/tests/badly_formatted.mjs");
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let badly_formatted = t.path().join("badly_formatted.js");
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std::fs::copy(&badly_formatted_original, &badly_formatted)
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.expect("Failed to copy file");
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let mut child = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("fmt")
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.arg(&badly_formatted)
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.arg("--watch")
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.arg("--unstable")
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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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.expect("Failed to spawn script");
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let stderr = child.stderr.as_mut().unwrap();
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let stderr_lines =
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std::io::BufReader::new(stderr).lines().map(|r| r.unwrap());
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// TODO(lucacasonato): remove this timeout. It seems to be needed on Linux.
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(skip_restarting_line(stderr_lines).contains("badly_formatted.js"));
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let expected = std::fs::read_to_string(fixed.clone()).unwrap();
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let actual = std::fs::read_to_string(badly_formatted.clone()).unwrap();
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assert_eq!(expected, actual);
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// Change content of the file again to be badly formatted
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std::fs::copy(&badly_formatted_original, &badly_formatted)
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.expect("Failed to copy file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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// Check if file has been automatically formatted by watcher
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let expected = std::fs::read_to_string(fixed).unwrap();
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let actual = std::fs::read_to_string(badly_formatted).unwrap();
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assert_eq!(expected, actual);
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// the watcher process is still alive
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assert!(child.try_wait().unwrap().is_none());
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child.kill().unwrap();
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drop(t);
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}
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#[test]
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fn bundle_js_watch() {
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use std::path::PathBuf;
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// Test strategy extends this of test bundle_js by adding watcher
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let t = TempDir::new().expect("tempdir fail");
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let file_to_watch = t.path().join("file_to_watch.js");
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std::fs::write(&file_to_watch, "console.log('Hello world');")
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.expect("error writing file");
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assert!(file_to_watch.is_file());
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let t = TempDir::new().expect("tempdir fail");
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let bundle = t.path().join("mod6.bundle.js");
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let mut deno = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("bundle")
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.arg(&file_to_watch)
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.arg(&bundle)
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.arg("--watch")
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.arg("--unstable")
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.env("NO_COLOR", "1")
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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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.expect("failed to spawn script");
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let stderr = deno.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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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("file_to_watch.js"));
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assert!(stderr_lines.next().unwrap().contains("mod6.bundle.js"));
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let file = PathBuf::from(&bundle);
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assert!(file.is_file());
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wait_for_process_finished("Bundle", &mut stderr_lines);
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std::fs::write(&file_to_watch, "console.log('Hello world2');")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines
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.next()
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.unwrap()
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.contains("File change detected!"));
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assert!(stderr_lines.next().unwrap().contains("file_to_watch.js"));
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assert!(stderr_lines.next().unwrap().contains("mod6.bundle.js"));
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let file = PathBuf::from(&bundle);
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assert!(file.is_file());
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wait_for_process_finished("Bundle", &mut stderr_lines);
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// Confirm that the watcher keeps on working even if the file is updated and has invalid syntax
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std::fs::write(&file_to_watch, "syntax error ^^")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines
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.next()
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.unwrap()
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.contains("File change detected!"));
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assert!(stderr_lines.next().unwrap().contains("error: "));
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wait_for_process_failed("Bundle", &mut stderr_lines);
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// the watcher process is still alive
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assert!(deno.try_wait().unwrap().is_none());
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deno.kill().unwrap();
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drop(t);
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}
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/// Confirm that the watcher continues to work even if module resolution fails at the *first* attempt
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#[test]
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fn bundle_watch_not_exit() {
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let t = TempDir::new().expect("tempdir fail");
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let file_to_watch = t.path().join("file_to_watch.js");
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std::fs::write(&file_to_watch, "syntax error ^^")
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.expect("error writing file");
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let target_file = t.path().join("target.js");
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let mut deno = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("bundle")
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.arg(&file_to_watch)
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.arg(&target_file)
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.arg("--watch")
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.arg("--unstable")
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.env("NO_COLOR", "1")
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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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.expect("failed to spawn script");
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let stderr = deno.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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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("error:"));
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assert!(stderr_lines.next().unwrap().contains("Bundle failed"));
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// the target file hasn't been created yet
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assert!(!target_file.is_file());
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// Make sure the watcher actually restarts and works fine with the proper syntax
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std::fs::write(&file_to_watch, "console.log(42);")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines
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.next()
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.unwrap()
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.contains("File change detected!"));
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assert!(stderr_lines.next().unwrap().contains("file_to_watch.js"));
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assert!(stderr_lines.next().unwrap().contains("target.js"));
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wait_for_process_finished("Bundle", &mut stderr_lines);
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// bundled file is created
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assert!(target_file.is_file());
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// the watcher process is still alive
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assert!(deno.try_wait().unwrap().is_none());
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deno.kill().unwrap();
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drop(t);
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}
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#[test]
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fn run_watch() {
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let t = TempDir::new().expect("tempdir fail");
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let file_to_watch = t.path().join("file_to_watch.js");
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std::fs::write(&file_to_watch, "console.log('Hello world');")
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.expect("error writing file");
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let mut child = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("run")
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.arg("--watch")
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.arg("--unstable")
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.arg(&file_to_watch)
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.env("NO_COLOR", "1")
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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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.expect("failed to spawn script");
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let stdout = child.stdout.as_mut().unwrap();
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let mut stdout_lines =
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std::io::BufReader::new(stdout).lines().map(|r| r.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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assert!(stdout_lines.next().unwrap().contains("Hello world"));
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wait_for_process_finished("Process", &mut stderr_lines);
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// TODO(lucacasonato): remove this timeout. It seems to be needed on Linux.
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std::thread::sleep(std::time::Duration::from_secs(1));
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// Change content of the file
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std::fs::write(&file_to_watch, "console.log('Hello world2');")
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.expect("error writing file");
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// Events from the file watcher is "debounced", so we need to wait for the next execution to start
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stdout_lines.next().unwrap().contains("Hello world2"));
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wait_for_process_finished("Process", &mut stderr_lines);
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// Add dependency
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let another_file = t.path().join("another_file.js");
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std::fs::write(&another_file, "export const foo = 0;")
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.expect("error writing file");
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std::fs::write(
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&file_to_watch,
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"import { foo } from './another_file.js'; console.log(foo);",
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)
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stdout_lines.next().unwrap().contains('0'));
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wait_for_process_finished("Process", &mut stderr_lines);
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// Confirm that restarting occurs when a new file is updated
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std::fs::write(&another_file, "export const foo = 42;")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stdout_lines.next().unwrap().contains("42"));
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wait_for_process_finished("Process", &mut stderr_lines);
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// Confirm that the watcher keeps on working even if the file is updated and has invalid syntax
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std::fs::write(&file_to_watch, "syntax error ^^")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stderr_lines.next().unwrap().contains("error:"));
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wait_for_process_failed("Process", &mut stderr_lines);
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// Then restore the file
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std::fs::write(
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&file_to_watch,
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"import { foo } from './another_file.js'; console.log(foo);",
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)
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stdout_lines.next().unwrap().contains("42"));
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wait_for_process_finished("Process", &mut stderr_lines);
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// Update the content of the imported file with invalid syntax
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std::fs::write(&another_file, "syntax error ^^").expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stderr_lines.next().unwrap().contains("error:"));
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wait_for_process_failed("Process", &mut stderr_lines);
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// Modify the imported file and make sure that restarting occurs
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std::fs::write(&another_file, "export const foo = 'modified!';")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stdout_lines.next().unwrap().contains("modified!"));
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wait_for_process_finished("Process", &mut stderr_lines);
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// the watcher process is still alive
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assert!(child.try_wait().unwrap().is_none());
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child.kill().unwrap();
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drop(t);
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}
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/// Confirm that the watcher continues to work even if module resolution fails at the *first* attempt
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#[test]
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fn run_watch_not_exit() {
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let t = TempDir::new().expect("tempdir fail");
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let file_to_watch = t.path().join("file_to_watch.js");
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std::fs::write(&file_to_watch, "syntax error ^^")
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.expect("error writing file");
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let mut child = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("run")
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.arg("--watch")
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.arg("--unstable")
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.arg(&file_to_watch)
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.env("NO_COLOR", "1")
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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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.expect("failed to spawn script");
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let stdout = child.stdout.as_mut().unwrap();
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let mut stdout_lines =
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std::io::BufReader::new(stdout).lines().map(|r| r.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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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("error:"));
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assert!(stderr_lines.next().unwrap().contains("Process failed"));
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// Make sure the watcher actually restarts and works fine with the proper syntax
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std::fs::write(&file_to_watch, "console.log(42);")
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.expect("error writing file");
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std::thread::sleep(std::time::Duration::from_secs(1));
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assert!(stderr_lines.next().unwrap().contains("Restarting"));
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assert!(stdout_lines.next().unwrap().contains("42"));
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wait_for_process_finished("Process", &mut stderr_lines);
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// the watcher process is still alive
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assert!(child.try_wait().unwrap().is_none());
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child.kill().unwrap();
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drop(t);
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}
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#[test]
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fn run_watch_with_import_map_and_relative_paths() {
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fn create_relative_tmp_file(
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directory: &TempDir,
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filename: &'static str,
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filecontent: &'static str,
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) -> std::path::PathBuf {
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let absolute_path = directory.path().join(filename);
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std::fs::write(&absolute_path, filecontent).expect("error writing file");
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let relative_path = absolute_path
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.strip_prefix(util::root_path())
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.expect("unable to create relative temporary file")
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.to_owned();
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assert!(relative_path.is_relative());
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relative_path
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}
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let temp_directory =
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TempDir::new_in(util::root_path()).expect("tempdir fail");
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let file_to_watch = create_relative_tmp_file(
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&temp_directory,
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"file_to_watch.js",
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"console.log('Hello world');",
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);
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let import_map_path = create_relative_tmp_file(
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&temp_directory,
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"import_map.json",
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"{\"imports\": {}}",
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);
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let mut child = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("run")
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.arg("--unstable")
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.arg("--watch")
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.arg("--import-map")
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.arg(&import_map_path)
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.arg(&file_to_watch)
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.env("NO_COLOR", "1")
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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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.expect("failed to spawn script");
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let stdout = child.stdout.as_mut().unwrap();
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let mut stdout_lines =
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std::io::BufReader::new(stdout).lines().map(|r| r.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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assert!(stderr_lines.next().unwrap().contains("Process finished"));
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assert!(stdout_lines.next().unwrap().contains("Hello world"));
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child.kill().unwrap();
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drop(file_to_watch);
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drop(import_map_path);
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temp_directory.close().unwrap();
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}
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// TODO(bartlomieju): flaky (https://github.com/denoland/deno/issues/10552)
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#[ignore]
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#[test]
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fn test_watch() {
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macro_rules! assert_contains {
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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.contains($test))||+) {
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panic!("{:?} does not contain any of {:?}", string, [$($test),+]);
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}
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}
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}
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let t = TempDir::new().expect("tempdir fail");
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|
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let mut child = util::deno_cmd()
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.current_dir(util::root_path())
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.arg("test")
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.arg("--watch")
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.arg("--unstable")
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.arg("--no-check")
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.arg(&t.path())
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.env("NO_COLOR", "1")
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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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.expect("failed to spawn script");
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let stdout = child.stdout.as_mut().unwrap();
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let mut stdout_lines =
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std::io::BufReader::new(stdout).lines().map(|r| r.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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|
|
|
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);
|
|
}
|