1 files changed, 12 insertions, 0 deletions
diff --git a/cli/tests/echo_server.ts b/cli/tests/echo_server.ts
new file mode 100644
index 000000000..5c6b5954b
--- /dev/null
+++ b/cli/tests/echo_server.ts
@@ -0,0 +1,12 @@
+const { args, listen, copy } = Deno;
+const addr = args[1] || "0.0.0.0:4544";
+const [hostname, port] = addr.split(":");
+const listener = listen({ hostname, port: Number(port) });
+console.log("listening on", addr);
+listener.accept().then(
+  async (conn): Promise<void> => {
+    await copy(conn, conn);
+    conn.close();
+    listener.close();
+  }
+);