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import unittest
import six
from engineio import packet
class TestPacket(unittest.TestCase):
def test_encode_default_packet(self):
pkt = packet.Packet()
self.assertEqual(pkt.packet_type, packet.NOOP)
self.assertIsNone(pkt.data)
self.assertFalse(pkt.binary)
self.assertEqual(pkt.encode(), b'6')
def test_decode_default_packet(self):
pkt = packet.Packet(encoded_packet=b'6')
self.assertTrue(pkt.encode(), b'6')
def test_encode_text_packet(self):
data = six.text_type('text')
pkt = packet.Packet(packet.MESSAGE, data=data)
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, data)
self.assertFalse(pkt.binary)
self.assertEqual(pkt.encode(), b'4text')
def test_decode_text_packet(self):
pkt = packet.Packet(encoded_packet=b'4text')
self.assertEqual(pkt.encode(), b'4text')
def test_encode_binary_packet(self):
pkt = packet.Packet(packet.MESSAGE, data=b'\x01\x02\x03',
binary=True)
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, b'\x01\x02\x03')
self.assertTrue(pkt.binary)
self.assertEqual(pkt.encode(), b'\x04\x01\x02\x03')
def test_encode_binary_bytearray_packet(self):
pkt = packet.Packet(packet.MESSAGE, data=bytearray(b'\x01\x02\x03'),
binary=True)
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, b'\x01\x02\x03')
self.assertTrue(pkt.binary)
self.assertEqual(pkt.encode(), b'\x04\x01\x02\x03')
def test_encode_binary_b64_packet(self):
pkt = packet.Packet(packet.MESSAGE, data=b'\x01\x02\x03\x04',
binary=True)
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, b'\x01\x02\x03\x04')
self.assertTrue(pkt.binary)
self.assertEqual(pkt.encode(b64=True), b'b4AQIDBA==')
def test_encode_binary_packet_py3(self):
pkt = packet.Packet(packet.MESSAGE, data=b'\x01\x02\x03')
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, b'\x01\x02\x03')
self.assertTrue(pkt.binary)
self.assertEqual(pkt.encode(), b'\x04\x01\x02\x03')
def test_decode_binary_packet(self):
pkt = packet.Packet(encoded_packet=b'\x04\x01\x02\x03')
self.assertTrue(pkt.encode(), b'\x04\x01\x02\x03')
def test_decode_binary_bytearray_packet(self):
pkt = packet.Packet(encoded_packet=bytearray(b'\x04\x01\x02\x03'))
self.assertTrue(pkt.encode(), b'\x04\x01\x02\x03')
def test_decode_binary_b64_packet(self):
pkt = packet.Packet(encoded_packet=b'b4AAEC')
self.assertTrue(pkt.encode(), b'\x04\x01\x02\x03')
def test_encode_json_packet(self):
pkt = packet.Packet(packet.MESSAGE, data={'a': 123, 'b': '456'})
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, {'a': 123, 'b': '456'})
self.assertFalse(pkt.binary)
self.assertIn(pkt.encode(), [b'4{"a":123,"b":"456"}',
b'4{"b":"456","a":123}'])
def test_decode_json_packet(self):
pkt = packet.Packet(encoded_packet=b'4{"a":123,"b":"456"}')
self.assertIn(pkt.encode(), [b'4{"a":123,"b":"456"}',
b'4{"b":"456","a":123}'])
def test_encode_number_packet(self):
pkt = packet.Packet(packet.MESSAGE, data=123)
self.assertEqual(pkt.packet_type, packet.MESSAGE)
self.assertEqual(pkt.data, 123)
self.assertFalse(pkt.binary)
self.assertEqual(pkt.encode(), b'4123')
def test_decode_number_packet(self):
pkt = packet.Packet(encoded_packet=b'4123')
self.assertEqual(pkt.packet_type, packet.MESSAGE)
# integer payloads are parsed as strings, see
# https://github.com/miguelgrinberg/python-engineio/issues/75
# for background on this decision
self.assertEqual(pkt.data, '123')
self.assertFalse(pkt.binary)
self.assertEqual(pkt.encode(), b'4123')
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