unit test for syntax error added

jaclang/tests/test_cli.py

@@ -46,9 +46,19 @@ def test_jac_cli_alert_based_err(self) -> None:
         sys.stdout = sys.__stdout__
         sys.stderr = sys.__stderr__
         stdout_value = captured_output.getvalue()
-        # print(stdout_value)
+
         self.assertIn("Error", stdout_value)
 
+        expected_stdout_values = (
+            "can speak {",
+            '    "Hello" |> : print;',
+            "               ~",
+            "}",
+        )
+        logger_capture = "\n".join([rec.message for rec in self.caplog.records])
+        for exp in expected_stdout_values:
+            self.assertIn(exp, logger_capture)
+
     def test_jac_impl_err(self) -> None:
         """Basic test for pass."""
         if "jaclang.tests.fixtures.err" in sys.modules:

jaclang/utils/test.py

@@ -5,15 +5,24 @@
 from typing import Callable, Optional
 from unittest import TestCase as _TestCase
 
+from _pytest.logging import LogCaptureFixture
 
 import jaclang
 from jaclang.compiler.passes import Pass
 from jaclang.utils.helpers import get_ast_nodes_as_snake_case as ast_snakes
 
+import pytest
+
 
 class TestCase(_TestCase):
     """Base test case for Jaseci."""
 
+    # Reference: https://stackoverflow.com/a/50375022
+    @pytest.fixture(autouse=True)
+    def inject_fixtures(self, caplog: LogCaptureFixture) -> None:
+        """Store the logger capture records within the tests."""
+        self.caplog = caplog
+
     def setUp(self) -> None:
         """Set up test case."""
         return super().setUp()