mirror of https://github.com/nucypher/nucypher.git
98 lines
3.3 KiB
Python
98 lines
3.3 KiB
Python
"""
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This file is part of nucypher.
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nucypher is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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nucypher is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with nucypher. If not, see <https://www.gnu.org/licenses/>.
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"""
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import builtins
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import pytest
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from nucypher.exceptions import DevelopmentInstallationRequired
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class TestsImportMocker:
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REAL_IMPORT = builtins.__import__
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__active = False
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def mock_import(self, name, *args, **kwargs):
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if 'tests' in name and self.__active:
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raise ImportError
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return self.REAL_IMPORT(name, *args, **kwargs)
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def start(self):
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builtins.__import__ = self.mock_import
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self.__active = True
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def stop(self):
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builtins.__import__ = self.REAL_IMPORT
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self.__active = False
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def __enter__(self):
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self.start()
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.stop()
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@pytest.fixture(scope='function')
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def import_mocker():
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mock = TestsImportMocker()
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try:
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yield mock
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finally:
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mock.stop()
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def test_use_vladimir_without_development_installation(import_mocker, mocker):
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# Expected error message (Related object)
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from tests.utils.middleware import EvilMiddleWare
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import_path = f'{EvilMiddleWare.__module__}.{EvilMiddleWare.__name__}'
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message = DevelopmentInstallationRequired.MESSAGE.format(importable_name=import_path)
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del EvilMiddleWare
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with import_mocker:
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from nucypher.characters.unlawful import Vladimir # Import OK
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with pytest.raises(DevelopmentInstallationRequired, match=message): # Expect lazy failure
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Vladimir.from_target_ursula(target_ursula=mocker.Mock())
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def test_get_pyevm_backend_without_development_installation(import_mocker):
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# Expected error message (Related object)
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from tests import constants
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import_path = f'{constants.__name__}'
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message = DevelopmentInstallationRequired.MESSAGE.format(importable_name=import_path)
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del constants
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with import_mocker:
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from nucypher.blockchain.eth.providers import _get_pyevm_test_backend # Import OK
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with pytest.raises(DevelopmentInstallationRequired, match=message): # Expect lazy failure
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_get_pyevm_test_backend()
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def test_rpc_test_client_without_development_installation(import_mocker, mocker):
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# Expected error message (Related object)
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from tests.utils.controllers import JSONRPCTestClient
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import_path = f'{JSONRPCTestClient.__module__}.{JSONRPCTestClient.__name__}'
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message = DevelopmentInstallationRequired.MESSAGE.format(importable_name=import_path)
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del JSONRPCTestClient
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with import_mocker:
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from nucypher.characters.control.controllers import JSONRPCController # Import OK
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with pytest.raises(DevelopmentInstallationRequired, match=message): # Expect lazy failure
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JSONRPCController.test_client(self=mocker.Mock())
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