def test_osserror_in_reader_task(self):
host, port = self.kafka_host, self.kafka_port
@asyncio.coroutine
def invoke_osserror(*a, **kw):
yield from asyncio.sleep(0.1, loop=self.loop)
raise OSError('test oserror')
request = MetadataRequest([])
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port, loop=self.loop)
# setup reader
reader = mock.MagicMock()
reader.readexactly.return_value = invoke_osserror()
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = asyncio.async(conn._read(), loop=self.loop)
with self.assertRaises(ConnectionError):
yield from conn.send(request)
self.assertEqual(conn.connected(), False)
def test_invalid_correlation_id(self):
host, port = self.kafka_host, self.kafka_port
request = MetadataRequest([])
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port, loop=self.loop)
# setup reader
reader = mock.MagicMock()
int32 = struct.Struct('>i')
resp = MetadataResponse(brokers=[], topics=[]).encode()
resp = int32.pack(999) + resp # set invalid correlation id
reader.readexactly.side_effect = [
asyncio.coroutine(lambda *a, **kw: int32.pack(len(resp)))(),
asyncio.coroutine(lambda *a, **kw: resp)()]
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = asyncio.async(conn._read(), loop=self.loop)
with self.assertRaises(CorrelationIdError):
yield from conn.send(request)
def test_osserror_in_reader_task(self):
host, port = self.server.host, self.server.port
@asyncio.coroutine
def invoke_osserror(*a, **kw):
yield from asyncio.sleep(0.1, loop=self.loop)
raise OSError
encoder = KafkaProtocol.encode_metadata_request
request = encoder(client_id=b"aiokafka-python", correlation_id=1, payloads=())
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port, loop=self.loop)
# setup reader
reader = mock.MagicMock()
reader.readexactly.return_value = invoke_osserror()
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = asyncio.async(conn._read(), loop=self.loop)
with self.assertRaises(ConnectionError):
yield from conn.send(request)
def test_correlation_id_on_group_coordinator_req(self):
host, port = self.kafka_host, self.kafka_port
request = GroupCoordinatorRequest(consumer_group='test')
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port, loop=self.loop)
# setup reader
reader = mock.MagicMock()
int32 = struct.Struct('>i')
resp = GroupCoordinatorResponse(
error_code=0, coordinator_id=22,
host='127.0.0.1', port=3333).encode()
resp = int32.pack(0) + resp # set correlation id to 0
reader.readexactly.side_effect = [
asyncio.coroutine(lambda *a, **kw: int32.pack(len(resp)))(),
asyncio.coroutine(lambda *a, **kw: resp)()]
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = asyncio.async(conn._read(), loop=self.loop)
response = yield from conn.send(request)
self.assertIsInstance(response, GroupCoordinatorResponse)
self.assertEqual(response.error_code, 0)
self.assertEqual(response.coordinator_id, 22)
self.assertEqual(response.host, '127.0.0.1')
self.assertEqual(response.port, 3333)
def test_osserror_in_reader_task(self):
host, port = self.kafka_host, self.kafka_port
@asyncio.coroutine
def invoke_osserror(*a, **kw):
yield from asyncio.sleep(0.1, loop=self.loop)
raise OSError('test oserror')
request = MetadataRequest([])
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port, loop=self.loop)
# setup reader
reader = mock.MagicMock()
reader.readexactly.return_value = invoke_osserror()
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = asyncio. async (conn._read(), loop=self.loop)
with self.assertRaises(ConnectionError):
yield from conn.send(request)
self.assertEqual(conn.connected(), False)
def test_correlation_id_on_group_coordinator_req(self):
host, port = self.kafka_host, self.kafka_port
request = GroupCoordinatorRequest(consumer_group='test')
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port, loop=self.loop)
# setup reader
reader = mock.MagicMock()
int32 = struct.Struct('>i')
resp = GroupCoordinatorResponse(error_code=0,
coordinator_id=22,
host='127.0.0.1',
port=3333).encode()
resp = int32.pack(0) + resp # set correlation id to 0
reader.readexactly.side_effect = [
asyncio.coroutine(lambda *a, **kw: int32.pack(len(resp)))(),
asyncio.coroutine(lambda *a, **kw: resp)()
]
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = asyncio. async (conn._read(), loop=self.loop)
response = yield from conn.send(request)
self.assertIsInstance(response, GroupCoordinatorResponse)
self.assertEqual(response.error_code, 0)
self.assertEqual(response.coordinator_id, 22)
self.assertEqual(response.host, '127.0.0.1')
self.assertEqual(response.port, 3333)
def test__send_sasl_token(self):
# Before Kafka 1.0.0 SASL was performed on the wire without
# KAFKA_HEADER in the protocol. So we needed another private
# function to send `raw` data with only length prefixed
# setup connection with mocked transport and protocol
conn = AIOKafkaConnection(
host="", port=9999, loop=self.loop
)
conn.close = mock.MagicMock()
conn._writer = mock.MagicMock()
out_buffer = []
conn._writer.write = mock.Mock(side_effect=out_buffer.append)
conn._reader = mock.MagicMock()
self.assertEqual(len(conn._requests), 0)
# Successful send
fut = conn._send_sasl_token(b"Super data")
self.assertEqual(b''.join(out_buffer), b"\x00\x00\x00\nSuper data")
self.assertEqual(len(conn._requests), 1)
out_buffer.clear()
# Resolve the request
conn._requests[0][2].set_result(None)
conn._requests.clear()
yield from fut
# Broken pipe error
conn._writer.write.side_effect = OSError
with self.assertRaises(ConnectionError):
conn._send_sasl_token(b"Super data")
self.assertEqual(out_buffer, [])
self.assertEqual(len(conn._requests), 0)
self.assertEqual(conn.close.call_count, 1)
conn._writer = None
with self.assertRaises(ConnectionError):
conn._send_sasl_token(b"Super data")
# We don't need to close 2ce
self.assertEqual(conn.close.call_count, 1)
async def test__send_sasl_token(self):
# Before Kafka 1.0.0 SASL was performed on the wire without
# KAFKA_HEADER in the protocol. So we needed another private
# function to send `raw` data with only length prefixed
# setup connection with mocked transport and protocol
conn = AIOKafkaConnection(
host="", port=9999, loop=self.loop
)
conn.close = mock.MagicMock()
conn._writer = mock.MagicMock()
out_buffer = []
conn._writer.write = mock.Mock(side_effect=out_buffer.append)
conn._reader = mock.MagicMock()
self.assertEqual(len(conn._requests), 0)
# Successful send
fut = conn._send_sasl_token(b"Super data")
self.assertEqual(b''.join(out_buffer), b"\x00\x00\x00\nSuper data")
self.assertEqual(len(conn._requests), 1)
out_buffer.clear()
# Resolve the request
conn._requests[0][2].set_result(None)
conn._requests.clear()
await fut
# Broken pipe error
conn._writer.write.side_effect = OSError
with self.assertRaises(ConnectionError):
conn._send_sasl_token(b"Super data")
self.assertEqual(out_buffer, [])
self.assertEqual(len(conn._requests), 0)
self.assertEqual(conn.close.call_count, 1)
conn._writer = None
with self.assertRaises(ConnectionError):
conn._send_sasl_token(b"Super data")
# We don't need to close 2ce
self.assertEqual(conn.close.call_count, 1)
async def test_correlation_id_on_group_coordinator_req(self):
host, port = self.kafka_host, self.kafka_port
request = GroupCoordinatorRequest(consumer_group='test')
# setup connection with mocked reader and writer
conn = AIOKafkaConnection(host=host, port=port)
# setup reader
reader = mock.MagicMock()
int32 = struct.Struct('>i')
resp = GroupCoordinatorResponse(error_code=0,
coordinator_id=22,
host='127.0.0.1',
port=3333)
resp = resp.encode()
resp = int32.pack(0) + resp # set correlation id to 0
async def first_resp(*args: Any, **kw: Any):
return int32.pack(len(resp))
async def second_resp(*args: Any, **kw: Any):
return resp
reader.readexactly.side_effect = [first_resp(), second_resp()]
writer = mock.MagicMock()
conn._reader = reader
conn._writer = writer
# invoke reader task
conn._read_task = conn._create_reader_task()
response = await conn.send(request)
self.assertIsInstance(response, GroupCoordinatorResponse)
self.assertEqual(response.error_code, 0)
self.assertEqual(response.coordinator_id, 22)
self.assertEqual(response.host, '127.0.0.1')
self.assertEqual(response.port, 3333)
