camel_cate_to_snake_case macros

Author: darynaishchenko

airbyte_cdk/sources/declarative/interpolation/macros.py

@@ -4,6 +4,7 @@
 
 import builtins
 import datetime
+import re
 import typing
 from typing import Optional, Union
 from urllib.parse import quote_plus
@@ -194,6 +195,10 @@ def sanitize_url(value: str) -> str:
     return sanitization_strategy(value)
 
 
+def camel_cate_to_snake_case(value: str) -> str:
+    return re.sub(r'(?<!^)(?=[A-Z])', '_', value).lower()
+
+
 _macros_list = [
     now_utc,
     today_utc,
@@ -206,5 +211,6 @@ def sanitize_url(value: str) -> str:
     today_with_timezone,
     str_to_datetime,
     sanitize_url,
+    camel_cate_to_snake_case,
 ]
 macros = {f.__name__: f for f in _macros_list}

unit_tests/sources/declarative/interpolation/test_macros.py

@@ -249,3 +249,28 @@ def test_sanitize_url(test_name, input_value, expected_output):
     sanitize_url = macros["sanitize_url"]
     actual_output = sanitize_url(input_value)
     assert actual_output == expected_output
+
+
+@pytest.mark.parametrize(
+    "value, expected_value",
+    [
+        (
+            "CamelCase",
+            "camel_case",
+        ),
+        (
+            "snake_case",
+            "snake_case",
+        ),
+        (
+            "CamelCasesnake_case",
+            "camel_casesnake_case",
+        ),
+        (
+            "CamelCase_snake_case",
+            "camel_case_snake_case",
+        ),
+    ],
+)
+def test_camel_cate_to_snake_case(value, expected_value):
+    assert macros["camel_cate_to_snake_case"](value) == expected_value