feat: allow reading the entry file from stdin (#6130)

1 files changed, 45 insertions, 1 deletions

diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 9c59e2a74..5ecd6d35b 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -8,7 +8,7 @@ extern crate pty;
 extern crate tempfile;
 
 use futures::prelude::*;
-use std::io::BufRead;
+use std::io::{BufRead, Write};
 use std::process::Command;
 use tempfile::TempDir;
 
@@ -71,6 +71,50 @@ fn eval_p() {
 }
 
 #[test]
+
+fn run_from_stdin() {
+  let mut deno = util::deno_cmd()
+    .current_dir(util::root_path())
+    .arg("run")
+    .arg("-")
+    .stdout(std::process::Stdio::piped())
+    .stdin(std::process::Stdio::piped())
+    .spawn()
+    .unwrap();
+  deno
+    .stdin
+    .as_mut()
+    .unwrap()
+    .write_all(b"console.log(\"Hello World\");")
+    .unwrap();
+  let output = deno.wait_with_output().unwrap();
+  assert!(output.status.success());
+
+  let deno_out = std::str::from_utf8(&output.stdout).unwrap().trim();
+  assert_eq!("Hello World", deno_out);
+
+  let mut deno = util::deno_cmd()
+    .current_dir(util::root_path())
+    .arg("run")
+    .arg("-")
+    .stdout(std::process::Stdio::piped())
+    .stdin(std::process::Stdio::piped())
+    .spawn()
+    .unwrap();
+  deno
+    .stdin
+    .as_mut()
+    .unwrap()
+    .write_all(b"console.log(\"Bye cached code\");")
+    .unwrap();
+  let output = deno.wait_with_output().unwrap();
+  assert!(output.status.success());
+
+  let deno_out = std::str::from_utf8(&output.stdout).unwrap().trim();
+  assert_eq!("Bye cached code", deno_out);
+}
+
+#[test]
 fn no_color() {
   let output = util::deno_cmd()
     .current_dir(util::root_path())