363 lines
14 KiB
Python
363 lines
14 KiB
Python
import logging
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import unittest
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from kafka import * # noqa
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from kafka.common import * # noqa
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from kafka.codec import has_gzip, has_snappy
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from .fixtures import ZookeeperFixture, KafkaFixture
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class TestKafkaClient(unittest.TestCase):
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@classmethod
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def setUpClass(cls): # noqa
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cls.zk = ZookeeperFixture.instance()
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cls.server = KafkaFixture.instance(0, cls.zk.host, cls.zk.port)
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cls.client = KafkaClient(cls.server.host, cls.server.port)
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@classmethod
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def tearDownClass(cls): # noqa
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cls.client.close()
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cls.server.close()
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cls.zk.close()
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#####################
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# Produce Tests #
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#####################
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def test_produce_many_simple(self):
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produce = ProduceRequest("test_produce_many_simple", 0, messages=[
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create_message("Test message %d" % i) for i in range(100)
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])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_simple", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 100)
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 100)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_simple", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 200)
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 200)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_simple", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 300)
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def test_produce_10k_simple(self):
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produce = ProduceRequest("test_produce_10k_simple", 0, messages=[
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create_message("Test message %d" % i) for i in range(10000)
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])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_10k_simple", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 10000)
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def test_produce_many_gzip(self):
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if not has_gzip():
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return
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message1 = create_gzip_message(["Gzipped 1 %d" % i for i in range(100)])
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message2 = create_gzip_message(["Gzipped 2 %d" % i for i in range(100)])
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produce = ProduceRequest("test_produce_many_gzip", 0, messages=[message1, message2])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_gzip", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 200)
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def test_produce_many_snappy(self):
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if not has_snappy():
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return
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message1 = create_snappy_message(["Snappy 1 %d" % i for i in range(100)])
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message2 = create_snappy_message(["Snappy 2 %d" % i for i in range(100)])
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produce = ProduceRequest("test_produce_many_snappy", 0, messages=[message1, message2])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_many_snappy", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 200)
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def test_produce_mixed(self):
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if not has_gzip() or not has_snappy():
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return
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message1 = create_message("Just a plain message")
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message2 = create_gzip_message(["Gzipped %d" % i for i in range(100)])
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message3 = create_snappy_message(["Snappy %d" % i for i in range(100)])
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produce = ProduceRequest("test_produce_mixed", 0, messages=[message1, message2, message3])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_mixed", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 201)
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def test_produce_100k_gzipped(self):
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req1 = ProduceRequest("test_produce_100k_gzipped", 0, messages=[
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create_gzip_message(["Gzipped batch 1, message %d" % i for i in range(50000)])
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])
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for resp in self.client.send_produce_request([req1]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_100k_gzipped", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 50000)
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req2 = ProduceRequest("test_produce_100k_gzipped", 0, messages=[
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create_gzip_message(["Gzipped batch 2, message %d" % i for i in range(50000)])
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])
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for resp in self.client.send_produce_request([req2]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 50000)
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(offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_100k_gzipped", 0, -1, 1)])
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self.assertEquals(offset.offsets[0], 100000)
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#####################
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# Consume Tests #
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#####################
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def test_consume_none(self):
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fetch = FetchRequest("test_consume_none", 0, 0, 1024)
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fetch_resp = self.client.send_fetch_request([fetch])[0]
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self.assertEquals(fetch_resp.error, 0)
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self.assertEquals(fetch_resp.topic, "test_consume_none")
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self.assertEquals(fetch_resp.partition, 0)
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messages = list(fetch_resp.messages)
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self.assertEquals(len(messages), 0)
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def test_produce_consume(self):
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produce = ProduceRequest("test_produce_consume", 0, messages=[
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create_message("Just a test message"),
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create_message("Message with a key", "foo"),
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])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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fetch = FetchRequest("test_produce_consume", 0, 0, 1024)
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fetch_resp = self.client.send_fetch_request([fetch])[0]
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self.assertEquals(fetch_resp.error, 0)
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messages = list(fetch_resp.messages)
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self.assertEquals(len(messages), 2)
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self.assertEquals(messages[0].offset, 0)
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self.assertEquals(messages[0].message.value, "Just a test message")
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self.assertEquals(messages[0].message.key, None)
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self.assertEquals(messages[1].offset, 1)
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self.assertEquals(messages[1].message.value, "Message with a key")
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self.assertEquals(messages[1].message.key, "foo")
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def test_produce_consume_many(self):
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produce = ProduceRequest("test_produce_consume_many", 0, messages=[
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create_message("Test message %d" % i) for i in range(100)
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])
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for resp in self.client.send_produce_request([produce]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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# 1024 is not enough for 100 messages...
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fetch1 = FetchRequest("test_produce_consume_many", 0, 0, 1024)
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(fetch_resp1,) = self.client.send_fetch_request([fetch1])
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self.assertEquals(fetch_resp1.error, 0)
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self.assertEquals(fetch_resp1.highwaterMark, 100)
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messages = list(fetch_resp1.messages)
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self.assertTrue(len(messages) < 100)
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# 10240 should be enough
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fetch2 = FetchRequest("test_produce_consume_many", 0, 0, 10240)
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(fetch_resp2,) = self.client.send_fetch_request([fetch2])
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self.assertEquals(fetch_resp2.error, 0)
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self.assertEquals(fetch_resp2.highwaterMark, 100)
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messages = list(fetch_resp2.messages)
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self.assertEquals(len(messages), 100)
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for i, message in enumerate(messages):
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self.assertEquals(message.offset, i)
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self.assertEquals(message.message.value, "Test message %d" % i)
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self.assertEquals(message.message.key, None)
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def test_produce_consume_two_partitions(self):
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produce1 = ProduceRequest("test_produce_consume_two_partitions", 0, messages=[
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create_message("Partition 0 %d" % i) for i in range(10)
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])
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produce2 = ProduceRequest("test_produce_consume_two_partitions", 1, messages=[
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create_message("Partition 1 %d" % i) for i in range(10)
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])
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for resp in self.client.send_produce_request([produce1, produce2]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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fetch1 = FetchRequest("test_produce_consume_two_partitions", 0, 0, 1024)
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fetch2 = FetchRequest("test_produce_consume_two_partitions", 1, 0, 1024)
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fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1, fetch2])
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self.assertEquals(fetch_resp1.error, 0)
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self.assertEquals(fetch_resp1.highwaterMark, 10)
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messages = list(fetch_resp1.messages)
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self.assertEquals(len(messages), 10)
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for i, message in enumerate(messages):
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self.assertEquals(message.offset, i)
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self.assertEquals(message.message.value, "Partition 0 %d" % i)
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self.assertEquals(message.message.key, None)
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self.assertEquals(fetch_resp2.error, 0)
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self.assertEquals(fetch_resp2.highwaterMark, 10)
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messages = list(fetch_resp2.messages)
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self.assertEquals(len(messages), 10)
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for i, message in enumerate(messages):
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self.assertEquals(message.offset, i)
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self.assertEquals(message.message.value, "Partition 1 %d" % i)
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self.assertEquals(message.message.key, None)
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####################
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# Offset Tests #
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####################
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def test_commit_fetch_offsets(self):
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req = OffsetCommitRequest("test_commit_fetch_offsets", 0, 42, "metadata")
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(resp,) = self.client.send_offset_commit_request("group", [req])
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self.assertEquals(resp.error, 0)
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req = OffsetFetchRequest("test_commit_fetch_offsets", 0)
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(resp,) = self.client.send_offset_fetch_request("group", [req])
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 42)
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self.assertEquals(resp.metadata, "") # Metadata isn't stored for now
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# Producer Tests
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def test_simple_producer(self):
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producer = SimpleProducer(self.client, "test_simple_producer")
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producer.send_messages("one", "two")
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producer.send_messages("three")
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fetch1 = FetchRequest("test_simple_producer", 0, 0, 1024)
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fetch2 = FetchRequest("test_simple_producer", 1, 0, 1024)
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fetch_resp1, fetch_resp2 = self.client.send_fetch_request([fetch1, fetch2])
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self.assertEquals(fetch_resp1.error, 0)
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self.assertEquals(fetch_resp1.highwaterMark, 2)
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messages = list(fetch_resp1.messages)
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self.assertEquals(len(messages), 2)
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self.assertEquals(messages[0].message.value, "one")
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self.assertEquals(messages[1].message.value, "two")
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self.assertEquals(fetch_resp2.error, 0)
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self.assertEquals(fetch_resp2.highwaterMark, 1)
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messages = list(fetch_resp2.messages)
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self.assertEquals(len(messages), 1)
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self.assertEquals(messages[0].message.value, "three")
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class TestSimpleConsumer(unittest.TestCase):
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@classmethod
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def setUpClass(cls): # noqa
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cls.zk = ZookeeperFixture.instance()
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cls.server1 = KafkaFixture.instance(0, cls.zk.host, cls.zk.port)
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cls.server2 = KafkaFixture.instance(1, cls.zk.host, cls.zk.port)
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cls.client = KafkaClient(cls.server2.host, cls.server2.port)
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@classmethod
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def tearDownClass(cls): # noqa
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cls.client.close()
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cls.server1.close()
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cls.server2.close()
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cls.zk.close()
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def test_consumer(self):
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# Produce 100 messages to partition 0
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produce1 = ProduceRequest("test_consumer", 0, messages=[
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create_message("Test message 0 %d" % i) for i in range(100)
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])
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for resp in self.client.send_produce_request([produce1]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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# Produce 100 messages to partition 1
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produce2 = ProduceRequest("test_consumer", 1, messages=[
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create_message("Test message 1 %d" % i) for i in range(100)
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])
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for resp in self.client.send_produce_request([produce2]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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# Start a consumer
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consumer = SimpleConsumer(self.client, "group1", "test_consumer")
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all_messages = []
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for message in consumer:
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all_messages.append(message)
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self.assertEquals(len(all_messages), 200)
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# Make sure there are no duplicates
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self.assertEquals(len(all_messages), len(set(all_messages)))
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consumer.seek(-10, 2)
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all_messages = []
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for message in consumer:
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all_messages.append(message)
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self.assertEquals(len(all_messages), 10)
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consumer.seek(-13, 2)
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all_messages = []
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for message in consumer:
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all_messages.append(message)
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self.assertEquals(len(all_messages), 13)
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consumer.stop()
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def test_pending(self):
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# Produce 10 messages to partition 0 and 1
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produce1 = ProduceRequest("test_pending", 0, messages=[
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create_message("Test message 0 %d" % i) for i in range(10)
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])
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for resp in self.client.send_produce_request([produce1]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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produce2 = ProduceRequest("test_pending", 1, messages=[
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create_message("Test message 1 %d" % i) for i in range(10)
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])
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for resp in self.client.send_produce_request([produce2]):
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self.assertEquals(resp.error, 0)
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self.assertEquals(resp.offset, 0)
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consumer = SimpleConsumer(self.client, "group1", "test_pending")
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self.assertEquals(consumer.pending(), 20)
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self.assertEquals(consumer.pending(partitions=[0]), 10)
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self.assertEquals(consumer.pending(partitions=[1]), 10)
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consumer.stop()
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if __name__ == "__main__":
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logging.basicConfig(level=logging.DEBUG)
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unittest.main()
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