def test_simple(self, value: Any, number: Optional[asn1.TNumber]) -> None:
encoder = Encoder()
encoder.write(value, number)
data = encoder.output()
decoder = Decoder(data)
_, decoded = decoder.read()
assert decoded == value
assert decoder.eof()
def test_one_enter(self, number: asn1.TNumber, typ: asn1.TType, values: Tuple, expected: bytes) -> None:
encoder = Encoder()
encoder.enter(number, typ)
for value in values:
encoder.write(value)
encoder.exit()
res = encoder.output()
assert res == expected
def test_multiple_enter(
self, values: Tuple[Tuple[asn1.TNumber, Optional[asn1.TClass], Tuple]], expected: bytes
) -> None:
encoder = Encoder()
for number, typ, values_ in values:
encoder.enter(number, typ)
for value in values_:
encoder.write(value)
encoder.exit()
res = encoder.output()
assert res == expected
def test_simple_encode(self, value: Any, number: Optional[asn1.TNumber], expected: bytes) -> None:
encoder = Encoder()
encoder.write(value, number)
result = encoder.output()
assert result == expected
def test_invalid_number(self) -> None:
encoder = Encoder()
with pytest.raises(Error, match="Unhandled Number 155 value 1"):
encoder.write(1, 155)
def test_cannot_determine_number(self) -> None:
encoder = Encoder()
with pytest.raises(Error, match="Cannot determine Number for value type"):
encoder.write(1.21)
def test_exit_errors(self) -> None:
encoder = Encoder()
with pytest.raises(Error, match="Tag stack is empty."):
encoder.exit()
def test_error_object_identifier(self, value: str) -> None:
encoder = Encoder()
with pytest.raises(Error, match="Illegal object identifier"):
encoder.write(value, asn1.Number.ObjectIdentifier)
def test_error_stack(self) -> None:
encoder = Encoder()
encoder.enter(asn1.Number.Sequence)
with pytest.raises(Error, match="Stack is not empty."):
encoder.output()