fix(dataclasses): include milliseconds in scalar types

Set the formatted outout to include microseconds `"%Y-%m-%dT%H:%M:%S.%f"`

>NOTE: Will need to confirm if microseconds work over milliseconds

fixes aws-powertools#503

Author: michaelbrewer

aws_lambda_powertools/utilities/data_classes/appsync/scalar_types_utils.py

@@ -65,7 +65,7 @@ def aws_time(timezone_offset: int = 0) -> str:
     str
         Returns current time as AWSTime scalar string with optional timezone offset
     """
-    return _formatted_time(datetime.datetime.utcnow(), "%H:%M:%S", timezone_offset)
+    return _formatted_time(datetime.datetime.utcnow(), "%H:%M:%S.%f", timezone_offset)
 
 
 def aws_datetime(timezone_offset: int = 0) -> str:
@@ -81,7 +81,7 @@ def aws_datetime(timezone_offset: int = 0) -> str:
     str
         Returns current time as AWSDateTime scalar string with optional timezone offset
     """
-    return _formatted_time(datetime.datetime.utcnow(), "%Y-%m-%dT%H:%M:%S", timezone_offset)
+    return _formatted_time(datetime.datetime.utcnow(), "%Y-%m-%dT%H:%M:%S.%f", timezone_offset)
 
 
 def aws_timestamp() -> int:

tests/functional/test_data_classes.py

@@ -1210,13 +1210,13 @@ def test_aws_date_utc():
 def test_aws_time_utc():
     time_str = aws_time()
     assert isinstance(time_str, str)
-    assert datetime.datetime.strptime(time_str, "%H:%M:%SZ")
+    assert datetime.datetime.strptime(time_str, "%H:%M:%S.%fZ")
 
 
 def test_aws_datetime_utc():
     datetime_str = aws_datetime()
     assert isinstance(datetime_str, str)
-    assert datetime.datetime.strptime(datetime_str, "%Y-%m-%dT%H:%M:%SZ")
+    assert datetime.datetime.strptime(datetime_str, "%Y-%m-%dT%H:%M:%S.%fZ")
 
 
 def test_aws_timestamp():