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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import sys
import pytest
import cryptography.hazmat.asn1 as asn1
class TestClassAPI:
def test_fail_unsupported_field(self) -> None:
# Not a sequence
class Unsupported:
foo: int
with pytest.raises(TypeError, match="cannot handle type"):
@asn1.sequence
class Example:
foo: Unsupported
def test_fail_init_incorrect_field_name(self) -> None:
@asn1.sequence
class Example:
foo: int
with pytest.raises(
TypeError, match="got an unexpected keyword argument 'bar'"
):
Example(bar=3) # type: ignore[call-arg]
def test_fail_init_missing_field_name(self) -> None:
@asn1.sequence
class Example:
foo: int
expected_err = (
"missing 1 required keyword-only argument: 'foo'"
if sys.version_info >= (3, 10)
else "missing 1 required positional argument: 'foo'"
)
with pytest.raises(TypeError, match=expected_err):
Example() # type: ignore[call-arg]
def test_fail_positional_field_initialization(self) -> None:
@asn1.sequence
class Example:
foo: int
# The kw-only init is only enforced in Python >= 3.10, which is
# when the parameter `kw_only` for `dataclasses.datalass` was
# added.
if sys.version_info < (3, 10):
assert Example(5).foo == 5 # type: ignore[misc]
else:
with pytest.raises(
TypeError,
match="takes 1 positional argument but 2 were given",
):
Example(5) # type: ignore[misc]
def test_fail_malformed_root_type(self) -> None:
@asn1.sequence
class Invalid:
foo: int
setattr(Invalid, "__asn1_root__", int)
with pytest.raises(TypeError, match="unsupported root type"):
@asn1.sequence
class Example:
foo: Invalid
|
