1 files changed, 24 insertions, 0 deletions
diff --git a/tools/is_tty_test.py b/tools/is_tty_test.py
new file mode 100755
index 000000000..218e7f620
--- /dev/null
+++ b/tools/is_tty_test.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import os
+import pty
+import select
+import subprocess
+from util import build_path, executable_suffix
+from sys import stdin
+from permission_prompt_test import tty_capture
+
+IS_TTY_TEST_TS = "tests/is_tty.ts"
+
+def is_tty_test(deno_exe):
+    cmd = [deno_exe, IS_TTY_TEST_TS]
+    code, stdout, _ = tty_capture(cmd, b'')
+    assert code == 0
+    assert str(stdin.isatty()).lower() in stdout
+
+def main():
+    deno_exe = os.path.join(build_path(), "deno" + executable_suffix)
+    is_tty_test(deno_exe)
+
+if __name__ == "__main__":
+    main()