fix(parser): read replyTo from SES common headers

aws_lambda_powertools/utilities/parser/models/ses.py

@@ -37,7 +37,7 @@ class SesMailCommonHeaders(BaseModel):
     cc: List[str] | None = None
     bcc: List[str] | None = None
     sender: List[str] | None = None
-    reply_to: List[str] | None = Field(None, alias="reply-to")
+    reply_to: List[str] | None = Field(None, alias="replyTo")
     returnPath: str
     messageId: str
     date: str

tests/unit/parser/_pydantic/test_ses.py

@@ -50,3 +50,25 @@ def test_ses_trigger_event():
     assert action.type == raw_receipt["action"]["type"]
     assert action.functionArn == raw_receipt["action"]["functionArn"]
     assert action.invocationType == raw_receipt["action"]["invocationType"]
+
+
+def test_ses_trigger_event_with_optional_common_headers():
+    # GIVEN an SES event with cc, bcc, sender and reply-to common headers
+    raw_event = load_event("sesEvent.json")
+    raw_event["Records"][0]["ses"]["mail"]["commonHeaders"].update(
+        {
+            "cc": ["cc@example.com"],
+            "bcc": ["bcc@example.com"],
+            "sender": ["sender@example.com"],
+            "replyTo": ["reply@example.com"],
+        },
+    )
+
+    # WHEN parsing the event
+    common_headers = SesModel(**raw_event).Records[0].ses.mail.commonHeaders
+
+    # THEN the optional common headers are populated
+    assert common_headers.cc == ["cc@example.com"]
+    assert common_headers.bcc == ["bcc@example.com"]
+    assert common_headers.sender == ["sender@example.com"]
+    assert common_headers.reply_to == ["reply@example.com"]