openstack/deb-python-kafka
Code Issues Proposed changes

Convert more tests to struct.pack

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This commit is contained in:
Mark Roberts
2014-04-08 23:33:26 -07:00
parent ac9cf9e944
commit 3bde6d6b1c
1 changed files with 75 additions and 29 deletions
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104
test/test_protocol.py
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@@ -161,19 +161,38 @@ class TestProtocol(unittest.TestCase):
self.assertEqual(encoded, expect)
def test_decode_message_set(self):
encoded = ('\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10L\x9f[\xc2'
'\x00\x00\xff\xff\xff\xff\x00\x00\x00\x02v1\x00\x00\x00\x00'
'\x00\x00\x00\x00\x00\x00\x00\x10\xd5\x96\nx\x00\x00\xff'
'\xff\xff\xff\x00\x00\x00\x02v2')
iter = KafkaProtocol._decode_message_set_iter(encoded)
decoded = list(iter)
self.assertEqual(len(decoded), 2)
(returned_offset1, decoded_message1) = decoded[0]
encoded = "".join([
struct.pack(">q", 0), # MsgSet Offset
struct.pack(">i", 18), # Msg Size
struct.pack(">i", 1474775406), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", 2), # Length of key
"k1", # Key
struct.pack(">i", 2), # Length of value
"v1", # Value
struct.pack(">q", 1), # MsgSet Offset
struct.pack(">i", 18), # Msg Size
struct.pack(">i", -16383415), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", 2), # Length of key
"k2", # Key
struct.pack(">i", 2), # Length of value
"v2", # Value
])
msgs = list(KafkaProtocol._decode_message_set_iter(encoded))
self.assertEqual(len(msgs), 2)
msg1, msg2 = msgs
returned_offset1, decoded_message1 = msg1
returned_offset2, decoded_message2 = msg2
self.assertEqual(returned_offset1, 0)
self.assertEqual(decoded_message1, create_message("v1"))
(returned_offset2, decoded_message2) = decoded[1]
self.assertEqual(returned_offset2, 0)
self.assertEqual(decoded_message2, create_message("v2"))
self.assertEqual(decoded_message1, create_message("v1", "k1"))
self.assertEqual(returned_offset2, 1)
self.assertEqual(decoded_message2, create_message("v2", "k2"))
@unittest.skipUnless(has_gzip(), "Gzip not available")
def test_decode_message_gzip(self):
@@ -216,28 +235,55 @@ class TestProtocol(unittest.TestCase):
# NOTE: The error handling in _decode_message_set_iter() is questionable.
# If it's modified, the next two tests might need to be fixed.
def test_decode_message_set_fetch_size_too_small(self):
iter = KafkaProtocol._decode_message_set_iter('a')
self.assertRaises(ConsumerFetchSizeTooSmall, list, iter)
with self.assertRaises(ConsumerFetchSizeTooSmall):
list(KafkaProtocol._decode_message_set_iter('a'))
def test_decode_message_set_stop_iteration(self):
encoded = ('\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10L\x9f[\xc2'
'\x00\x00\xff\xff\xff\xff\x00\x00\x00\x02v1\x00\x00\x00\x00'
'\x00\x00\x00\x00\x00\x00\x00\x10\xd5\x96\nx\x00\x00\xff'
'\xff\xff\xff\x00\x00\x00\x02v2')
iter = KafkaProtocol._decode_message_set_iter(encoded + "@#$%(Y!")
decoded = list(iter)
self.assertEqual(len(decoded), 2)
(returned_offset1, decoded_message1) = decoded[0]
encoded = "".join([
struct.pack(">q", 0), # MsgSet Offset
struct.pack(">i", 18), # Msg Size
struct.pack(">i", 1474775406), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", 2), # Length of key
"k1", # Key
struct.pack(">i", 2), # Length of value
"v1", # Value
struct.pack(">q", 1), # MsgSet Offset
struct.pack(">i", 18), # Msg Size
struct.pack(">i", -16383415), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", 2), # Length of key
"k2", # Key
struct.pack(">i", 2), # Length of value
"v2", # Value
"@1$%(Y!", # Random padding
])
msgs = list(KafkaProtocol._decode_message_set_iter(encoded))
self.assertEqual(len(msgs), 2)
msg1, msg2 = msgs
returned_offset1, decoded_message1 = msg1
returned_offset2, decoded_message2 = msg2
self.assertEqual(returned_offset1, 0)
self.assertEqual(decoded_message1, create_message("v1"))
(returned_offset2, decoded_message2) = decoded[1]
self.assertEqual(returned_offset2, 0)
self.assertEqual(decoded_message2, create_message("v2"))
self.assertEqual(decoded_message1, create_message("v1", "k1"))
self.assertEqual(returned_offset2, 1)
self.assertEqual(decoded_message2, create_message("v2", "k2"))
def test_encode_produce_request(self):
requests = [ProduceRequest("topic1", 0, [create_message("a"),
create_message("b")]),
ProduceRequest("topic2", 1, [create_message("c")])]
requests = [
ProduceRequest("topic1", 0, [
create_message("a"),
create_message("b")
]),
ProduceRequest("topic2", 1, [
create_message("c")
])
]
expect = ('\x00\x00\x00\x94\x00\x00\x00\x00\x00\x00\x00\x02\x00\x07'
'client1\x00\x02\x00\x00\x00d\x00\x00\x00\x02\x00\x06topic1'
'\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x006\x00\x00\x00'