def test_read_type_underflow(self):
base = primitives.Base()
self.assertRaises(
exceptions.ReadValueError,
base.read_type,
self.stream
)
def test_is_tag_next_invalid(self):
encoding = (b'\x42\x00\x01')
base = primitives.Base()
self.stream = utils.BytearrayStream(encoding)
self.assertFalse(base.is_tag_next(base.tag, self.stream),
self.bad_match.format('tag', 'mismatch', 'match'))
def test_read_type_error(self):
self.stream.write(b'\x01')
base = primitives.Base()
self.assertRaises(
exceptions.ReadValueError,
base.read_type,
self.stream
)
def test_is_oversized_error(self):
self.stream.write(b'\x00')
base = primitives.Base()
self.assertRaises(
exceptions.StreamNotEmptyError,
base.is_oversized,
self.stream
)
def test_read_tag_invalid(self):
encoding = (b'\x42\x00\x01')
base = primitives.Base()
self.stream = utils.BytearrayStream(encoding)
self.assertRaises(
exceptions.ReadValueError,
base.read_tag,
self.stream
)
def test_read_length_underflow(self):
self.stream.write(b'\x00')
base = primitives.Base()
base.length = 4
self.assertRaises(
exceptions.ReadValueError,
base.read_length,
self.stream
)
def test_write_type(self):
encoding = b'\x00'
base = primitives.Base()
base.write_type(self.stream)
result = self.stream.read()
len_exp = len(encoding)
len_rcv = len(result)
self.assertEqual(
len_exp, len_rcv,
self.bad_write.format('type', '{0} bytes'.format(len_exp),
'{0} bytes'.format(len_rcv)))
self.assertEqual(encoding, result, self.bad_encoding.format('type'))
def test_read_length(self):
self.stream.write(b'\x00\x00\x00\x04')
base = primitives.Base()
base.length = 4
base.read_length(self.stream)
def test_read_type_overflow(self):
self.stream.write(b'\x00\x00')
base = primitives.Base()
base.read_type(self.stream)
def test_read_tag(self):
encoding = (b'\x42\x00\x00')
base = primitives.Base()
self.stream = utils.BytearrayStream(encoding)
base.read_tag(self.stream)
def test_is_oversized(self):
base = primitives.Base()
base.is_oversized(self.stream)
def test_write_value(self):
base = primitives.Base()
self.assertRaises(
NotImplementedError, base.write_value, self.stream)
def test_write_length_invalid(self):
base = primitives.Base()
base.length = ''
self.assertRaises(TypeError, base.write_length, self.stream)
def test_write_type_invalid(self):
base = primitives.Base()
base.type = ''
self.assertRaises(TypeError, base.write_type, self.stream)
