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67 lines
2.8 KiB
Python
67 lines
2.8 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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def test_binary_writer_reader(self):
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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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self.assertEqual(value, 1,
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msg='Example byte should be 1 but is {}'.format(value))
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value = reader.read_int()
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self.assertEqual(value, 5,
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msg='Example integer should be 5 but is {}'.format(value))
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value = reader.read_long()
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self.assertEqual(value, 13,
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msg='Example long integer should be 13 but is {}'.format(value))
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value = reader.read_float()
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self.assertEqual(value, 17.0,
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msg='Example float should be 17.0 but is {}'.format(value))
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value = reader.read_double()
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self.assertEqual(value, 25.0,
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msg='Example double should be 25.0 but is {}'.format(value))
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value = reader.read(7)
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self.assertEqual(value, bytes([26, 27, 28, 29, 30, 31, 32]),
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msg='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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self.assertEqual(value, 2**127,
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msg='Example large integer should be {} but is {}'.format(2**127, value))
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def test_binary_tgwriter_tgreader(self):
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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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self.assertEqual(value, datum,
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msg='Example bytes should be {} but is {}'.format(datum, value))
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value = reader.tgread_string()
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self.assertEqual(value, string,
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msg='Example string should be {} but is {}'.format(string, value))
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