From 0275b1929662649d9949783fc50f5282afb7c25e Mon Sep 17 00:00:00 2001
From: Taekyung Heo <7621438+TaekyungHeo@users.noreply.github.com>
Date: Mon, 27 Nov 2023 10:25:14 -0500
Subject: [PATCH] Add test_et_jsonizer.py

---
 tests/test_et_jsonizer.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tests/test_et_jsonizer.py

diff --git a/tests/test_et_jsonizer.py b/tests/test_et_jsonizer.py
new file mode 100644
index 00000000..9b240466
--- /dev/null
+++ b/tests/test_et_jsonizer.py
@@ -0,0 +1,21 @@
+import pytest
+from chakra.et_jsonizer import main
+from unittest.mock import patch, mock_open
+
+def test_run_with_valid_input():
+    test_args = ["et_jsonizer.py", "--input_filename", "valid_input.et", "--output_filename", "output.json"]
+    with patch('sys.argv', test_args), \
+         patch('chakra.et_jsonizer.open_file_rd') as mock_open_file_rd, \
+         patch('builtins.open', mock_open()):
+        main()  # No assertion needed; we're checking if it runs without error
+
+def test_missing_arguments():
+    with pytest.raises(SystemExit):
+        with patch('sys.argv', ['et_jsonizer.py']):
+            main()
+
+def test_missing_file_path():
+    test_args = ["et_jsonizer.py", "--input_filename", "nonexistent_input.et", "--output_filename", "output.json"]
+    with patch('sys.argv', test_args):
+        with pytest.raises(FileNotFoundError):
+            main()