pyCraft/tests/test_serialization.py

113 lines
4.1 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
from minecraft.networking.types import (
Type, Boolean, UnsignedByte, Byte, Short, UnsignedShort,
Integer, FixedPointInteger, Angle, VarInt, Long, Float, Double,
ShortPrefixedByteArray, VarIntPrefixedByteArray, UUID,
String as StringType, Position, TrailingByteArray, UnsignedLong,
)
from minecraft.networking.packets import PacketBuffer
from minecraft.networking.connection import ConnectionContext
from minecraft import SUPPORTED_PROTOCOL_VERSIONS, RELEASE_PROTOCOL_VERSIONS
TEST_VERSIONS = list(RELEASE_PROTOCOL_VERSIONS)
if SUPPORTED_PROTOCOL_VERSIONS[-1] not in TEST_VERSIONS:
TEST_VERSIONS.append(SUPPORTED_PROTOCOL_VERSIONS[-1])
TEST_DATA = {
Boolean: [True, False],
UnsignedByte: [0, 125],
Byte: [-22, 22],
Short: [-340, 22, 350],
UnsignedShort: [0, 400],
UnsignedLong: [0, 400],
Integer: [-1000, 1000],
FixedPointInteger: [float(-13098.3435), float(-0.83), float(1000)],
Angle: [0, 360.0, 720, 47.12947238973, -108.7],
VarInt: [1, 250, 50000, 10000000],
Long: [50000000],
Float: [21.000301],
Double: [36.004002],
ShortPrefixedByteArray: [bytes(245)],
VarIntPrefixedByteArray: [bytes(1234)],
TrailingByteArray: [b'Q^jO<5*|+o LGc('],
UUID: ["12345678-1234-5678-1234-567812345678"],
StringType: ["hello world"],
Position: [(758, 0, 691), (-500, -12, -684)],
}
class SerializationTest(unittest.TestCase):
def test_serialization(self):
for protocol_version in TEST_VERSIONS:
context = ConnectionContext(protocol_version=protocol_version)
for data_type in Type.__subclasses__():
if data_type in TEST_DATA:
test_cases = TEST_DATA[data_type]
for test_data in test_cases:
packet_buffer = PacketBuffer()
data_type.send_with_context(
test_data, packet_buffer, context)
packet_buffer.reset_cursor()
deserialized = data_type.read_with_context(
packet_buffer, context)
if data_type is FixedPointInteger:
self.assertAlmostEqual(
test_data, deserialized, delta=1.0/32.0)
elif data_type is Angle:
self.assertAlmostEqual(test_data % 360,
deserialized,
delta=360/256)
elif data_type is Float or data_type is Double:
self.assertAlmostEqual(test_data, deserialized, 3)
else:
self.assertEqual(test_data, deserialized)
def test_exceptions(self):
base_type = Type()
with self.assertRaises(NotImplementedError):
base_type.read(None)
with self.assertRaises(NotImplementedError):
base_type.read_with_context(None, None)
with self.assertRaises(NotImplementedError):
base_type.send(None, None)
with self.assertRaises(NotImplementedError):
base_type.send_with_context(None, None, None)
with self.assertRaises(TypeError):
Position.read(None)
with self.assertRaises(TypeError):
Position.send(None, None)
empty_socket = PacketBuffer()
with self.assertRaises(Exception):
VarInt.read(empty_socket)
def test_varint(self):
self.assertEqual(VarInt.size(2), 1)
self.assertEqual(VarInt.size(1250), 2)
with self.assertRaises(ValueError):
VarInt.size(2 ** 90)
with self.assertRaises(ValueError):
packet_buffer = PacketBuffer()
VarInt.send(2 ** 49, packet_buffer)
packet_buffer.reset_cursor()
VarInt.read(packet_buffer)
packet_buffer = PacketBuffer()
VarInt.send(50000, packet_buffer)
packet_buffer.reset_cursor()
self.assertEqual(VarInt.read(packet_buffer), 50000)