def test_create_snappy(self):
payloads = ["v1", "v2"]
msg = create_snappy_message(payloads)
self.assertEqual(msg.magic, 0)
self.assertEqual(msg.attributes, ATTRIBUTE_CODEC_MASK & CODEC_SNAPPY)
self.assertEqual(msg.key, None)
decoded = snappy_decode(msg.value)
expect = "".join([
struct.pack(">q", 0), # MsgSet offset
struct.pack(">i", 16), # MsgSet size
struct.pack(">i", 1285512130), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", -1), # -1 indicates a null key
struct.pack(">i", 2), # Msg length (bytes)
"v1", # Message contents
struct.pack(">q", 0), # MsgSet offset
struct.pack(">i", 16), # MsgSet size
struct.pack(">i", -711587208), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", -1), # -1 indicates a null key
struct.pack(">i", 2), # Msg length (bytes)
"v2", # Message contents
])
self.assertEqual(decoded, expect)
def test_create_snappy(self):
payloads = [(b"v1", None), (b"v2", None)]
msg = create_snappy_message(payloads)
self.assertEqual(msg.magic, 0)
self.assertEqual(msg.attributes, ATTRIBUTE_CODEC_MASK & CODEC_SNAPPY)
self.assertEqual(msg.key, None)
decoded = snappy_decode(msg.value)
expect = b"".join([
struct.pack(">q", 0), # MsgSet offset
struct.pack(">i", 16), # MsgSet size
struct.pack(">i", 1285512130), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", -1), # -1 indicates a null key
struct.pack(">i", 2), # Msg length (bytes)
b"v1", # Message contents
struct.pack(">q", 0), # MsgSet offset
struct.pack(">i", 16), # MsgSet size
struct.pack(">i", -711587208), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", -1), # -1 indicates a null key
struct.pack(">i", 2), # Msg length (bytes)
b"v2", # Message contents
])
self.assertEqual(decoded, expect)
def test_create_snappy_keyed(self):
payloads = [(b"v1", b"k1"), (b"v2", b"k2")]
msg = create_snappy_message(payloads)
self.assertEqual(msg.magic, 0)
self.assertEqual(msg.attributes, ATTRIBUTE_CODEC_MASK & CODEC_SNAPPY)
self.assertEqual(msg.key, None)
decoded = snappy_decode(msg.value)
expect = b"".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
b"k1", # Key
struct.pack(">i", 2), # Length of value
b"v1", # Value
struct.pack(">q", 0), # 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
b"k2", # Key
struct.pack(">i", 2), # Length of value
b"v2", # Value
])
self.assertEqual(decoded, expect)
def test_create_snappy(self):
payloads = ["v1", "v2"]
msg = create_snappy_message(payloads)
self.assertEqual(msg.magic, 0)
self.assertEqual(msg.attributes, KafkaProtocol.ATTRIBUTE_CODEC_MASK &
KafkaProtocol.CODEC_SNAPPY)
self.assertEqual(msg.key, None)
expect = ("8\x00\x00\x19\x01@\x10L\x9f[\xc2\x00\x00\xff\xff\xff\xff"
"\x00\x00\x00\x02v1\x19\x1bD\x00\x10\xd5\x96\nx\x00\x00\xff"
"\xff\xff\xff\x00\x00\x00\x02v2")
self.assertEqual(msg.value, expect)
def test_create_snappy(self):
payloads = ["v1", "v2"]
msg = create_snappy_message(payloads)
self.assertEqual(msg.magic, 0)
self.assertEqual(
msg.attributes,
KafkaProtocol.ATTRIBUTE_CODEC_MASK & KafkaProtocol.CODEC_SNAPPY)
self.assertEqual(msg.key, None)
expect = ("8\x00\x00\x19\x01@\x10L\x9f[\xc2\x00\x00\xff\xff\xff\xff"
"\x00\x00\x00\x02v1\x19\x1bD\x00\x10\xd5\x96\nx\x00\x00\xff"
"\xff\xff\xff\x00\x00\x00\x02v2")
self.assertEqual(msg.value, expect)