Adding doctests. Also added a logging filter.

1 files changed, 9 insertions, 1 deletions

diff --git a/string_utils.py b/string_utils.py
index 0829846..3aaf1d7 100644
--- a/string_utils.py
+++ b/string_utils.py
@@ -1059,18 +1059,26 @@ def to_bool(in_str: str) -> bool:
 
     >>> to_bool('True')
     True
+
     >>> to_bool('1')
     True
+
     >>> to_bool('yes')
     True
+
     >>> to_bool('no')
     False
+
     >>> to_bool('huh?')
     False
+
+    >>> to_bool('on')
+    True
+
     """
     if not is_string(in_str):
         raise ValueError(in_str)
-    return in_str.lower() in ("true", "1", "yes", "y", "t")
+    return in_str.lower() in ("true", "1", "yes", "y", "t", "on")
 
 
 def to_date(in_str: str) -> Optional[datetime.date]: