feat: adds simple tests for internal exceptions

tests/exceptions/test_unsupported_schema_exception.py

@@ -0,0 +1,31 @@
+from jambo.exceptions.unsupported_schema_exception import UnsupportedSchemaException
+
+from unittest import TestCase
+
+
+class TestUnsupportedSchemaException(TestCase):
+    def test_inheritance(self):
+        self.assertTrue(issubclass(UnsupportedSchemaException, ValueError))
+
+    def test_message(self):
+        message = "This is an internal assertion error."
+
+        expected_message = f"Unsupported JSON Schema: {message}"
+
+        with self.assertRaises(UnsupportedSchemaException) as ctx:
+            raise UnsupportedSchemaException(message)
+
+        self.assertEqual(str(ctx.exception), expected_message)
+
+    def test_unsupported_field(self):
+        message = "This is an internal assertion error."
+        invalid_field = "testField"
+
+        expected_message = (
+            f"Unsupported JSON Schema: {message} (unsupported field: {invalid_field})"
+        )
+
+        with self.assertRaises(UnsupportedSchemaException) as ctx:
+            raise UnsupportedSchemaException(message, unsupported_field=invalid_field)
+
+        self.assertEqual(str(ctx.exception), expected_message)