1 files changed, 44 insertions, 0 deletions
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index e00c7a865..ec13f7380 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -982,6 +982,50 @@ fn info_with_compiled_source() {
 }
 
 #[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"));
+  assert!(stderr_lines.next().unwrap().contains("Process terminated"));
+
+  // 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");
+
+  assert!(stderr_lines.next().unwrap().contains("Restarting"));
+  assert!(stdout_lines.next().unwrap().contains("Hello world2"));
+  assert!(stderr_lines.next().unwrap().contains("Process terminated"));
+
+  child.kill().unwrap();
+  drop(t);
+}
+
+#[test]
 fn repl_test_console_log() {
   let (out, err) = util::run_and_collect_output(
     true,