def test_ber_short_encoding(self):
""" Test short BER encoding compliance. """
self.assertEqual(InterchangeObject.ber_encode_length(0, prefix=False), '00')
self.assertEqual(InterchangeObject.ber_encode_length(1, prefix=False), '01')
self.assertEqual(InterchangeObject.ber_encode_length(127, prefix=False), '7f')
self.assertEqual(InterchangeObject.ber_encode_length(128, prefix=False), '80')
self.assertEqual(InterchangeObject.ber_encode_length(255, prefix=False), 'ff')
def test_ber_long_encoding_with_bytes(self):
""" Test long BER encoding compliance with forced bytes length. """
self.assertEqual(InterchangeObject.ber_encode_length(1, bytes_num=2),
'820001')
self.assertEqual(InterchangeObject.ber_encode_length(127, bytes_num=4),
'840000007f')
self.assertEqual(InterchangeObject.ber_encode_length(128, bytes_num=4),
'8400000080')
self.assertEqual(InterchangeObject.ber_encode_length(256, bytes_num=8),
'880000000000000100')
def test_ber_short_encoding(self):
""" Test short BER encoding compliance. """
self.assertEqual(InterchangeObject.ber_encode_length(0, prefix=False),
'00')
self.assertEqual(InterchangeObject.ber_encode_length(1, prefix=False),
'01')
self.assertEqual(
InterchangeObject.ber_encode_length(127, prefix=False), '7f')
self.assertEqual(
InterchangeObject.ber_encode_length(128, prefix=False), '80')
self.assertEqual(
InterchangeObject.ber_encode_length(255, prefix=False), 'ff')
def test_ber_long_encoding(self):
""" Test long BER encoding compliance. """
self.assertEqual(InterchangeObject.ber_encode_length(0), '00')
self.assertEqual(InterchangeObject.ber_encode_length(1), '01')
self.assertEqual(InterchangeObject.ber_encode_length(127), '7f')
self.assertEqual(InterchangeObject.ber_encode_length(128), '8180')
self.assertEqual(InterchangeObject.ber_encode_length(255), '81ff')
self.assertEqual(InterchangeObject.ber_encode_length(256), '820100')
def test_ber_long_encoding(self):
""" Test long BER encoding compliance. """
self.assertEqual(InterchangeObject.ber_encode_length(0), '00')
self.assertEqual(InterchangeObject.ber_encode_length(1), '01')
self.assertEqual(InterchangeObject.ber_encode_length(127), '7f')
self.assertEqual(InterchangeObject.ber_encode_length(128), '8180')
self.assertEqual(InterchangeObject.ber_encode_length(255), '81ff')
self.assertEqual(InterchangeObject.ber_encode_length(256), '820100')
def test_runtime_long_encode(self):
""" Test encoding returns an even sized string for longer values. """
for i in range(128, 4096):
self.assertEqual(
len(InterchangeObject.ber_encode_length(i)) % 2, 0)
def test_runtime_short_encode(self):
""" Test encoding returns an even sized string for short values. """
for i in range(0, 127):
self.assertEqual(
len(InterchangeObject.ber_encode_length(i, prefix=False)) % 2,
0)
def test_non_ber_encoding(self):
""" Test usability of the method for non BER encoding. """
self.assertEqual(
InterchangeObject.ber_encode_length(256, prefix=False), '0100')
self.assertEqual(
InterchangeObject.ber_encode_length(485, prefix=False), '01e5')
def write(self):
return InterchangeObject.ber_encode_length(self.value, self.length, prefix=False).decode('hex_codec')
def test_non_ber_encoding(self):
""" Test usability of the method for non BER encoding. """
self.assertEqual(InterchangeObject.ber_encode_length(256, prefix=False), '0100')
self.assertEqual(InterchangeObject.ber_encode_length(485, prefix=False), '01e5')
def test_ber_long_encoding_with_bytes(self):
""" Test long BER encoding compliance with forced bytes length. """
self.assertEqual(InterchangeObject.ber_encode_length(1, bytes_num=2), '820001')
self.assertEqual(InterchangeObject.ber_encode_length(127, bytes_num=4), '840000007f')
self.assertEqual(InterchangeObject.ber_encode_length(128, bytes_num=4), '8400000080')
self.assertEqual(InterchangeObject.ber_encode_length(256, bytes_num=8), '880000000000000100')
def test_runtime_long_encode(self):
""" Test encoding returns an even sized string for longer values. """
for i in range(128, 4096):
self.assertEqual(len(InterchangeObject.ber_encode_length(i)) % 2, 0)
def test_runtime_short_encode(self):
""" Test encoding returns an even sized string for short values. """
for i in range(0, 127):
self.assertEqual(len(InterchangeObject.ber_encode_length(i, prefix=False)) % 2, 0)
