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# Copyright 2013 Donald Stufft and individual contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
from nacl import exceptions as exc
class CustomError(exc.CryptoError):
pass
# Type safety: mypy can spot comparisons that will always evaluate to False, and the
# bad argument type. Suppress these: we want to test these are detected at runtime.
def test_exceptions_ensure_with_true_condition():
exc.ensure(1 == 1, "one equals one")
def test_exceptions_ensure_with_false_condition():
with pytest.raises(exc.AssertionError):
exc.ensure(
1 == 0, # type: ignore[comparison-overlap]
"one is not zero",
raising=exc.AssertionError,
)
def test_exceptions_ensure_with_unwanted_kwarg():
with pytest.raises(exc.TypeError):
exc.ensure(
1 == 1,
unexpected="unexpected", # type: ignore[arg-type]
)
def test_exceptions_ensure_custom_exception():
with pytest.raises(CustomError):
exc.ensure(
1 == 0, # type: ignore[comparison-overlap]
"Raising a CustomError",
raising=CustomError,
)
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