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62 lines
2.5 KiB
Python
62 lines
2.5 KiB
Python
import os
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import unittest
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from telethon.tl import TLObject
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from telethon.extensions import BinaryReader
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class UtilsTests(unittest.TestCase):
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@staticmethod
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def test_binary_writer_reader():
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# Test that we can read properly
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data = b'\x01\x05\x00\x00\x00\r\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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b'\x88A\x00\x00\x00\x00\x00\x009@\x1a\x1b\x1c\x1d\x1e\x1f ' \
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b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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b'\x00\x80'
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with BinaryReader(data) as reader:
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value = reader.read_byte()
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assert value == 1, 'Example byte should be 1 but is {}'.format(value)
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value = reader.read_int()
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assert value == 5, 'Example integer should be 5 but is {}'.format(value)
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value = reader.read_long()
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assert value == 13, 'Example long integer should be 13 but is {}'.format(value)
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value = reader.read_float()
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assert value == 17.0, 'Example float should be 17.0 but is {}'.format(value)
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value = reader.read_double()
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assert value == 25.0, 'Example double should be 25.0 but is {}'.format(value)
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value = reader.read(7)
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assert value == bytes([26, 27, 28, 29, 30, 31, 32]), 'Example bytes should be {} but is {}' \
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.format(bytes([26, 27, 28, 29, 30, 31, 32]), value)
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value = reader.read_large_int(128, signed=False)
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assert value == 2**127, 'Example large integer should be {} but is {}'.format(2**127, value)
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@staticmethod
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def test_binary_tgwriter_tgreader():
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small_data = os.urandom(33)
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small_data_padded = os.urandom(19) # +1 byte for length = 20 (%4 = 0)
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large_data = os.urandom(999)
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large_data_padded = os.urandom(1024)
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data = (small_data, small_data_padded, large_data, large_data_padded)
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string = 'Testing Telegram strings, this should work properly!'
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serialized = b''.join(TLObject.serialize_bytes(d) for d in data) + \
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TLObject.serialize_bytes(string)
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with BinaryReader(serialized) as reader:
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# And then try reading it without errors (it should be unharmed!)
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for datum in data:
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value = reader.tgread_bytes()
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assert value == datum, 'Example bytes should be {} but is {}'.format(
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datum, value)
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value = reader.tgread_string()
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assert value == string, 'Example string should be {} but is {}'.format(
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string, value)
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