Fix: Put Events API (#3145)

* Fix: Put Events API

* Update from code review.

Co-authored-by: Logan Asher Jones <logan@codescratch.com>

moto/events/models.py

@@ -8,6 +8,8 @@ from moto.core import BaseBackend, BaseModel
 from moto.sts.models import ACCOUNT_ID
 from moto.utilities.tagging_service import TaggingService
 
+from uuid import uuid4
+
 
 class Rule(BaseModel):
     def _generate_arn(self, name):
@@ -344,7 +346,7 @@ class EventsBackend(BaseBackend):
             raise JsonRESTError("ValidationError", "Can only submit 10 events at once")
 
         # We dont really need to store the events yet
-        return []
+        return [{"EventId": str(uuid4())} for _ in events]
 
     def remove_targets(self, name, ids):
         rule = self.rules.get(name)

moto/events/responses.py

@@ -150,14 +150,15 @@ class EventsHandler(BaseResponse):
     def put_events(self):
         events = self._get_param("Entries")
 
-        failed_entries = self.events_backend.put_events(events)
+        entries = self.events_backend.put_events(events)
 
-        if failed_entries:
-            return json.dumps(
-                {"FailedEntryCount": len(failed_entries), "Entries": failed_entries}
-            )
+        failed_count = len([e for e in entries if "ErrorCode" in e])
+        response = {
+            "FailedEntryCount": failed_count,
+            "Entries": entries,
+        }
 
-        return "", self.response_headers
+        return json.dumps(response)
 
     def put_rule(self):
         name = self._get_param("Name")

tests/test_events/test_events.py

@@ -312,8 +312,10 @@ def test_put_events():
         "DetailType": "myDetailType",
     }
 
-    client.put_events(Entries=[event])
+    response = client.put_events(Entries=[event])
     # Boto3 would error if it didn't return 200 OK
+    response["FailedEntryCount"].should.equal(0)
+    response["Entries"].should.have.length_of(1)
 
     with assert_raises(ClientError):
         client.put_events(Entries=[event] * 20)