Files
deb-python-kafka/test/test_integration.py
mrtheb c304e3d4b0 Cherry-pick mrtheb/kafka-python 8b9c7e51
Sync tests and fixtures with kafka 0.8.0-beta1 tag

Conflicts:

	README.md
	kafka-src
2013-10-03 11:29:40 -04:00

781 lines
30 KiB
Python

import logging
import unittest
import time
from datetime import datetime
import string
import random
from kafka import * # noqa
from kafka.common import * # noqa
from kafka.codec import has_gzip, has_snappy
from .fixtures import ZookeeperFixture, KafkaFixture
class TestKafkaClient(unittest.TestCase):
@classmethod
def setUpClass(cls): # noqa
cls.zk = ZookeeperFixture.instance()
cls.server = KafkaFixture.instance(0, cls.zk.host, cls.zk.port)
cls.client = KafkaClient(cls.server.host, cls.server.port)
@classmethod
def tearDownClass(cls): # noqa
cls.client.close()
cls.server.close()
cls.zk.close()
#####################
# Produce Tests #
#####################
def test_produce_many_simple(self):
produce = ProduceRequest("test_produce_many_simple", 0, messages=[
create_message("Test message %d" % i) for i in range(100)
])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_simple", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 100)
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 100)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_simple", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 200)
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 200)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_simple", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 300)
def test_produce_10k_simple(self):
produce = ProduceRequest("test_produce_10k_simple", 0, messages=[
create_message("Test message %d" % i) for i in range(10000)
])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_10k_simple", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 10000)
def test_produce_many_gzip(self):
if not has_gzip():
return
message1 = create_gzip_message(["Gzipped 1 %d" % i for i in range(100)])
message2 = create_gzip_message(["Gzipped 2 %d" % i for i in range(100)])
produce = ProduceRequest("test_produce_many_gzip", 0, messages=[message1, message2])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_gzip", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 200)
def test_produce_many_snappy(self):
if not has_snappy():
return
message1 = create_snappy_message(["Snappy 1 %d" % i for i in range(100)])
message2 = create_snappy_message(["Snappy 2 %d" % i for i in range(100)])
produce = ProduceRequest("test_produce_many_snappy", 0, messages=[message1, message2])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_snappy", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 200)
def test_produce_mixed(self):
if not has_gzip() or not has_snappy():
return
message1 = create_message("Just a plain message")
message2 = create_gzip_message(["Gzipped %d" % i for i in range(100)])
message3 = create_snappy_message(["Snappy %d" % i for i in range(100)])
produce = ProduceRequest("test_produce_mixed", 0, messages=[message1, message2, message3])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_mixed", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 201)
def test_produce_100k_gzipped(self):
req1 = ProduceRequest("test_produce_100k_gzipped", 0, messages=[
create_gzip_message(["Gzipped batch 1, message %d" % i for i in range(50000)])
])
for resp in self.client.send_produce_request([req1]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_100k_gzipped", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 50000)
req2 = ProduceRequest("test_produce_100k_gzipped", 0, messages=[
create_gzip_message(["Gzipped batch 2, message %d" % i for i in range(50000)])
])
for resp in self.client.send_produce_request([req2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 50000)
(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_100k_gzipped", 0, -1, 1)])
self.assertEquals(offset.offsets[0], 100000)
#####################
# Consume Tests #
#####################
def test_consume_none(self):
fetch = FetchRequest("test_consume_none", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])[0]
self.assertEquals(fetch_resp.error, 0)
self.assertEquals(fetch_resp.topic, "test_consume_none")
self.assertEquals(fetch_resp.partition, 0)
messages = list(fetch_resp.messages)
self.assertEquals(len(messages), 0)
def test_produce_consume(self):
produce = ProduceRequest("test_produce_consume", 0, messages=[
create_message("Just a test message"),
create_message("Message with a key", "foo"),
])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
fetch = FetchRequest("test_produce_consume", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])[0]
self.assertEquals(fetch_resp.error, 0)
messages = list(fetch_resp.messages)
self.assertEquals(len(messages), 2)
self.assertEquals(messages[0].offset, 0)
self.assertEquals(messages[0].message.value, "Just a test message")
self.assertEquals(messages[0].message.key, None)
self.assertEquals(messages[1].offset, 1)
self.assertEquals(messages[1].message.value, "Message with a key")
self.assertEquals(messages[1].message.key, "foo")
def test_produce_consume_many(self):
produce = ProduceRequest("test_produce_consume_many", 0, messages=[
create_message("Test message %d" % i) for i in range(100)
])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# 1024 is not enough for 100 messages...
fetch1 = FetchRequest("test_produce_consume_many", 0, 0, 1024)
(fetch_resp1,) = self.client.send_fetch_request([fetch1])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp1.highwaterMark, 100)
messages = list(fetch_resp1.messages)
self.assertTrue(len(messages) < 100)
# 10240 should be enough
fetch2 = FetchRequest("test_produce_consume_many", 0, 0, 10240)
(fetch_resp2,) = self.client.send_fetch_request([fetch2])
self.assertEquals(fetch_resp2.error, 0)
self.assertEquals(fetch_resp2.highwaterMark, 100)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 100)
for i, message in enumerate(messages):
self.assertEquals(message.offset, i)
self.assertEquals(message.message.value, "Test message %d" % i)
self.assertEquals(message.message.key, None)
def test_produce_consume_two_partitions(self):
produce1 = ProduceRequest("test_produce_consume_two_partitions", 0, messages=[
create_message("Partition 0 %d" % i) for i in range(10)
])
produce2 = ProduceRequest("test_produce_consume_two_partitions", 1, messages=[
create_message("Partition 1 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce1, produce2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
fetch1 = FetchRequest("test_produce_consume_two_partitions", 0, 0, 1024)
fetch2 = FetchRequest("test_produce_consume_two_partitions", 1, 0, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1, fetch2])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp1.highwaterMark, 10)
messages = list(fetch_resp1.messages)
self.assertEquals(len(messages), 10)
for i, message in enumerate(messages):
self.assertEquals(message.offset, i)
self.assertEquals(message.message.value, "Partition 0 %d" % i)
self.assertEquals(message.message.key, None)
self.assertEquals(fetch_resp2.error, 0)
self.assertEquals(fetch_resp2.highwaterMark, 10)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 10)
for i, message in enumerate(messages):
self.assertEquals(message.offset, i)
self.assertEquals(message.message.value, "Partition 1 %d" % i)
self.assertEquals(message.message.key, None)
####################
# Offset Tests #
####################
@unittest.skip('commmit offset not supported in this version')
def test_commit_fetch_offsets(self):
req = OffsetCommitRequest("test_commit_fetch_offsets", 0, 42, "metadata")
(resp,) = self.client.send_offset_commit_request("group", [req])
self.assertEquals(resp.error, 0)
req = OffsetFetchRequest("test_commit_fetch_offsets", 0)
(resp,) = self.client.send_offset_fetch_request("group", [req])
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 42)
self.assertEquals(resp.metadata, "") # Metadata isn't stored for now
# Producer Tests
def test_simple_producer(self):
producer = SimpleProducer(self.client, "test_simple_producer")
resp = producer.send_messages("one", "two")
# Will go to partition 0
self.assertEquals(len(resp), 1)
self.assertEquals(resp[0].error, 0)
self.assertEquals(resp[0].offset, 0) # offset of first msg
# Will go to partition 1
resp = producer.send_messages("three")
self.assertEquals(len(resp), 1)
self.assertEquals(resp[0].error, 0)
self.assertEquals(resp[0].offset, 0) # offset of first msg
fetch1 = FetchRequest("test_simple_producer", 0, 0, 1024)
fetch2 = FetchRequest("test_simple_producer", 1, 0, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp1.highwaterMark, 2)
messages = list(fetch_resp1.messages)
self.assertEquals(len(messages), 2)
self.assertEquals(messages[0].message.value, "one")
self.assertEquals(messages[1].message.value, "two")
self.assertEquals(fetch_resp2.error, 0)
self.assertEquals(fetch_resp2.highwaterMark, 1)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 1)
self.assertEquals(messages[0].message.value, "three")
# Will go to partition 0
resp = producer.send_messages("four", "five")
self.assertEquals(len(resp), 1)
self.assertEquals(resp[0].error, 0)
self.assertEquals(resp[0].offset, 2) # offset of first msg
producer.stop()
def test_round_robin_partitioner(self):
producer = KeyedProducer(self.client, "test_round_robin_partitioner",
partitioner=RoundRobinPartitioner)
producer.send("key1", "one")
producer.send("key2", "two")
producer.send("key3", "three")
producer.send("key4", "four")
fetch1 = FetchRequest("test_round_robin_partitioner", 0, 0, 1024)
fetch2 = FetchRequest("test_round_robin_partitioner", 1, 0, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp1.highwaterMark, 2)
self.assertEquals(fetch_resp1.partition, 0)
messages = list(fetch_resp1.messages)
self.assertEquals(len(messages), 2)
self.assertEquals(messages[0].message.value, "one")
self.assertEquals(messages[1].message.value, "three")
self.assertEquals(fetch_resp2.error, 0)
self.assertEquals(fetch_resp2.highwaterMark, 2)
self.assertEquals(fetch_resp2.partition, 1)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 2)
self.assertEquals(messages[0].message.value, "two")
self.assertEquals(messages[1].message.value, "four")
producer.stop()
def test_hashed_partitioner(self):
producer = KeyedProducer(self.client, "test_hash_partitioner",
partitioner=HashedPartitioner)
producer.send(1, "one")
producer.send(2, "two")
producer.send(3, "three")
producer.send(4, "four")
fetch1 = FetchRequest("test_hash_partitioner", 0, 0, 1024)
fetch2 = FetchRequest("test_hash_partitioner", 1, 0, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp1.highwaterMark, 2)
self.assertEquals(fetch_resp1.partition, 0)
messages = list(fetch_resp1.messages)
self.assertEquals(len(messages), 2)
self.assertEquals(messages[0].message.value, "two")
self.assertEquals(messages[1].message.value, "four")
self.assertEquals(fetch_resp2.error, 0)
self.assertEquals(fetch_resp2.highwaterMark, 2)
self.assertEquals(fetch_resp2.partition, 1)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 2)
self.assertEquals(messages[0].message.value, "one")
self.assertEquals(messages[1].message.value, "three")
producer.stop()
def test_acks_none(self):
producer = SimpleProducer(self.client, "test_acks_none",
req_acks=SimpleProducer.ACK_NOT_REQUIRED)
resp = producer.send_messages("one")
self.assertEquals(len(resp), 0)
fetch = FetchRequest("test_acks_none", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])
self.assertEquals(fetch_resp[0].error, 0)
self.assertEquals(fetch_resp[0].highwaterMark, 1)
self.assertEquals(fetch_resp[0].partition, 0)
messages = list(fetch_resp[0].messages)
self.assertEquals(len(messages), 1)
self.assertEquals(messages[0].message.value, "one")
producer.stop()
def test_acks_local_write(self):
producer = SimpleProducer(self.client, "test_acks_local_write",
req_acks=SimpleProducer.ACK_AFTER_LOCAL_WRITE)
resp = producer.send_messages("one")
self.assertEquals(len(resp), 1)
fetch = FetchRequest("test_acks_local_write", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])
self.assertEquals(fetch_resp[0].error, 0)
self.assertEquals(fetch_resp[0].highwaterMark, 1)
self.assertEquals(fetch_resp[0].partition, 0)
messages = list(fetch_resp[0].messages)
self.assertEquals(len(messages), 1)
self.assertEquals(messages[0].message.value, "one")
producer.stop()
def test_acks_cluster_commit(self):
producer = SimpleProducer(
self.client, "test_acks_cluster_commit",
req_acks=SimpleProducer.ACK_AFTER_CLUSTER_COMMIT)
resp = producer.send_messages("one")
self.assertEquals(len(resp), 1)
fetch = FetchRequest("test_acks_cluster_commit", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])
self.assertEquals(fetch_resp[0].error, 0)
self.assertEquals(fetch_resp[0].highwaterMark, 1)
self.assertEquals(fetch_resp[0].partition, 0)
messages = list(fetch_resp[0].messages)
self.assertEquals(len(messages), 1)
self.assertEquals(messages[0].message.value, "one")
producer.stop()
def test_async_simple_producer(self):
producer = SimpleProducer(self.client, "test_async_simple_producer",
async=True)
resp = producer.send_messages("one")
self.assertEquals(len(resp), 0)
# Give it some time
time.sleep(2)
fetch = FetchRequest("test_async_simple_producer", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])
self.assertEquals(fetch_resp[0].error, 0)
self.assertEquals(fetch_resp[0].highwaterMark, 1)
self.assertEquals(fetch_resp[0].partition, 0)
messages = list(fetch_resp[0].messages)
self.assertEquals(len(messages), 1)
self.assertEquals(messages[0].message.value, "one")
producer.stop()
def test_async_keyed_producer(self):
producer = KeyedProducer(self.client, "test_async_keyed_producer",
async=True)
resp = producer.send("key1", "one")
self.assertEquals(len(resp), 0)
# Give it some time
time.sleep(2)
fetch = FetchRequest("test_async_keyed_producer", 0, 0, 1024)
fetch_resp = self.client.send_fetch_request([fetch])
self.assertEquals(fetch_resp[0].error, 0)
self.assertEquals(fetch_resp[0].highwaterMark, 1)
self.assertEquals(fetch_resp[0].partition, 0)
messages = list(fetch_resp[0].messages)
self.assertEquals(len(messages), 1)
self.assertEquals(messages[0].message.value, "one")
producer.stop()
def test_batched_simple_producer(self):
producer = SimpleProducer(self.client, "test_batched_simple_producer",
batch_send=True,
batch_send_every_n=10,
batch_send_every_t=20)
# Send 5 messages and do a fetch
msgs = ["message-%d" % i for i in range(0, 5)]
resp = producer.send_messages(*msgs)
# Batch mode is async. No ack
self.assertEquals(len(resp), 0)
# Give it some time
time.sleep(2)
fetch1 = FetchRequest("test_batched_simple_producer", 0, 0, 1024)
fetch2 = FetchRequest("test_batched_simple_producer", 1, 0, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
messages = list(fetch_resp1.messages)
self.assertEquals(len(messages), 0)
self.assertEquals(fetch_resp2.error, 0)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 0)
# Send 5 more messages, wait for 2 seconds and do a fetch
msgs = ["message-%d" % i for i in range(5, 10)]
resp = producer.send_messages(*msgs)
# Give it some time
time.sleep(2)
fetch1 = FetchRequest("test_batched_simple_producer", 0, 0, 1024)
fetch2 = FetchRequest("test_batched_simple_producer", 1, 0, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
messages = list(fetch_resp1.messages)
self.assertEquals(len(messages), 5)
self.assertEquals(fetch_resp2.error, 0)
messages = list(fetch_resp2.messages)
self.assertEquals(len(messages), 5)
# Send 7 messages and wait for 20 seconds
msgs = ["message-%d" % i for i in range(10, 15)]
resp = producer.send_messages(*msgs)
msgs = ["message-%d" % i for i in range(15, 17)]
resp = producer.send_messages(*msgs)
fetch1 = FetchRequest("test_batched_simple_producer", 0, 5, 1024)
fetch2 = FetchRequest("test_batched_simple_producer", 1, 5, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp2.error, 0)
messages = list(fetch_resp1.messages) + list(fetch_resp2.messages)
self.assertEquals(len(messages), 0)
# Give it some time
time.sleep(22)
fetch1 = FetchRequest("test_batched_simple_producer", 0, 5, 1024)
fetch2 = FetchRequest("test_batched_simple_producer", 1, 5, 1024)
fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1,
fetch2])
self.assertEquals(fetch_resp1.error, 0)
self.assertEquals(fetch_resp2.error, 0)
messages = list(fetch_resp1.messages) + list(fetch_resp2.messages)
self.assertEquals(len(messages), 7)
producer.stop()
class TestConsumer(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.zk = ZookeeperFixture.instance()
cls.server1 = KafkaFixture.instance(0, cls.zk.host, cls.zk.port)
cls.server2 = KafkaFixture.instance(1, cls.zk.host, cls.zk.port)
cls.client = KafkaClient(cls.server2.host, cls.server2.port, bufsize=8192)
@classmethod
def tearDownClass(cls): # noqa
cls.client.close()
cls.server1.close()
cls.server2.close()
cls.zk.close()
def test_simple_consumer(self):
# Produce 100 messages to partition 0
produce1 = ProduceRequest("test_simple_consumer", 0, messages=[
create_message("Test message 0 %d" % i) for i in range(100)
])
for resp in self.client.send_produce_request([produce1]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# Produce 100 messages to partition 1
produce2 = ProduceRequest("test_simple_consumer", 1, messages=[
create_message("Test message 1 %d" % i) for i in range(100)
])
for resp in self.client.send_produce_request([produce2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# Start a consumer
consumer = SimpleConsumer(self.client, "group1", "test_simple_consumer", auto_commit=False)
all_messages = []
for message in consumer:
all_messages.append(message)
self.assertEquals(len(all_messages), 200)
# Make sure there are no duplicates
self.assertEquals(len(all_messages), len(set(all_messages)))
consumer.seek(-10, 2)
all_messages = []
for message in consumer:
all_messages.append(message)
self.assertEquals(len(all_messages), 10)
consumer.seek(-13, 2)
all_messages = []
for message in consumer:
all_messages.append(message)
self.assertEquals(len(all_messages), 13)
consumer.stop()
def test_simple_consumer_blocking(self):
consumer = SimpleConsumer(self.client, "group1", "test_simple_consumer_blocking", auto_commit=False)
# Blocking API
start = datetime.now()
messages = consumer.get_messages(block=True, timeout=5)
diff = (datetime.now() - start).total_seconds()
self.assertGreaterEqual(diff, 5)
self.assertEqual(len(messages), 0)
# Send 10 messages
produce = ProduceRequest("test_simple_consumer_blocking", 0, messages=[
create_message("Test message 0 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# Fetch 5 messages
messages = consumer.get_messages(count=5, block=True, timeout=5)
self.assertEqual(len(messages), 5)
# Fetch 10 messages
start = datetime.now()
messages = consumer.get_messages(count=10, block=True, timeout=5)
self.assertEqual(len(messages), 5)
diff = (datetime.now() - start).total_seconds()
self.assertGreaterEqual(diff, 5)
consumer.stop()
def test_simple_consumer_pending(self):
# Produce 10 messages to partition 0 and 1
produce1 = ProduceRequest("test_simple_pending", 0, messages=[
create_message("Test message 0 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce1]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
produce2 = ProduceRequest("test_simple_pending", 1, messages=[
create_message("Test message 1 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
consumer = SimpleConsumer(self.client, "group1", "test_simple_pending", auto_commit=False)
self.assertEquals(consumer.pending(), 20)
self.assertEquals(consumer.pending(partitions=[0]), 10)
self.assertEquals(consumer.pending(partitions=[1]), 10)
consumer.stop()
def test_multi_process_consumer(self):
# Produce 100 messages to partition 0
produce1 = ProduceRequest("test_mpconsumer", 0, messages=[
create_message("Test message 0 %d" % i) for i in range(100)
])
for resp in self.client.send_produce_request([produce1]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# Produce 100 messages to partition 1
produce2 = ProduceRequest("test_mpconsumer", 1, messages=[
create_message("Test message 1 %d" % i) for i in range(100)
])
for resp in self.client.send_produce_request([produce2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# Start a consumer
consumer = MultiProcessConsumer(self.client, "grp1", "test_mpconsumer", auto_commit=False)
all_messages = []
for message in consumer:
all_messages.append(message)
self.assertEquals(len(all_messages), 200)
# Make sure there are no duplicates
self.assertEquals(len(all_messages), len(set(all_messages)))
# Blocking API
start = datetime.now()
messages = consumer.get_messages(block=True, timeout=5)
diff = (datetime.now() - start).total_seconds()
self.assertGreaterEqual(diff, 5)
self.assertEqual(len(messages), 0)
# Send 10 messages
produce = ProduceRequest("test_mpconsumer", 0, messages=[
create_message("Test message 0 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 100)
# Fetch 5 messages
messages = consumer.get_messages(count=5, block=True, timeout=5)
self.assertEqual(len(messages), 5)
# Fetch 10 messages
start = datetime.now()
messages = consumer.get_messages(count=10, block=True, timeout=5)
self.assertEqual(len(messages), 5)
diff = (datetime.now() - start).total_seconds()
self.assertGreaterEqual(diff, 5)
consumer.stop()
def test_multi_proc_pending(self):
# Produce 10 messages to partition 0 and 1
produce1 = ProduceRequest("test_mppending", 0, messages=[
create_message("Test message 0 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce1]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
produce2 = ProduceRequest("test_mppending", 1, messages=[
create_message("Test message 1 %d" % i) for i in range(10)
])
for resp in self.client.send_produce_request([produce2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
consumer = MultiProcessConsumer(self.client, "group1", "test_mppending", auto_commit=False)
self.assertEquals(consumer.pending(), 20)
self.assertEquals(consumer.pending(partitions=[0]), 10)
self.assertEquals(consumer.pending(partitions=[1]), 10)
consumer.stop()
def test_large_messages(self):
# Produce 10 "normal" size messages
messages1 = [create_message(random_string(1024)) for i in range(10)]
produce1 = ProduceRequest("test_large_messages", 0, messages1)
for resp in self.client.send_produce_request([produce1]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 0)
# Produce 10 messages that are too large (bigger than default fetch size)
messages2 = [create_message(random_string(5000)) for i in range(10)]
produce2 = ProduceRequest("test_large_messages", 0, messages2)
for resp in self.client.send_produce_request([produce2]):
self.assertEquals(resp.error, 0)
self.assertEquals(resp.offset, 10)
# Consumer should still get all of them
consumer = SimpleConsumer(self.client, "group1", "test_large_messages", auto_commit=False)
all_messages = messages1 + messages2
for i, message in enumerate(consumer):
self.assertEquals(all_messages[i], message.message)
self.assertEquals(i, 19)
def random_string(l):
s = "".join(random.choice(string.letters) for i in xrange(l))
return s
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
unittest.main()