Fixes racing condition when message is sent to broker before topic logs are created

asdaraujo · jeffwidman · commit fb279d7b9685 · 2018-02-21T13:30:12.000-08:00
diff --git a/test/testutil.py b/test/testutil.py
@@ -9,8 +9,10 @@
 from . import unittest
 
 from kafka import SimpleClient, create_message
-from kafka.errors import LeaderNotAvailableError, KafkaTimeoutError
-from kafka.structs import OffsetRequestPayload, ProduceRequestPayload
+from kafka.errors import LeaderNotAvailableError, KafkaTimeoutError, InvalidTopicError
+from kafka.structs import OffsetRequestPayload, ProduceRequestPayload, \
+                          NotLeaderForPartitionError, UnknownTopicOrPartitionError, \
+                          FailedPayloadsError
 from test.fixtures import random_string, version_str_to_list, version as kafka_version #pylint: disable=wrong-import-order
 
 def kafka_versions(*versions):
@@ -123,11 +125,25 @@ def setUp(self):
                 self.client.load_metadata_for_topics(self.topic, ignore_leadernotavailable=False)
                 if self.client.has_metadata_for_topic(topic):
                     break
-            except LeaderNotAvailableError:
+            except (LeaderNotAvailableError, InvalidTopicError):
                 time.sleep(1)
         else:
             raise KafkaTimeoutError('Timeout loading topic metadata!')
 
+
+        # Ensure topic partitions have been created on all brokers to avoid UnknownPartitionErrors
+        # TODO: It might be a good idea to move this to self.client.ensure_topic_exists
+        for partition in self.client.get_partition_ids_for_topic(self.topic):
+            while True:
+                try:
+                    req = OffsetRequestPayload(self.topic, partition, -1, 100)
+                    self.client.send_offset_request([req])
+                    break
+                except (NotLeaderForPartitionError, UnknownTopicOrPartitionError, FailedPayloadsError) as e:
+                    if time.time() > timeout:
+                        raise KafkaTimeoutError('Timeout loading topic metadata!')
+                    time.sleep(.1)
+
         self._messages = {}
 
     def tearDown(self):
