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# RhodeCode VCSServer provides access to different vcs backends via network.
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# Copyright (C) 2014-2019 RhodeCode GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU 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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#
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# This program 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import inspect
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import sys
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import traceback
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import pytest
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from mercurial.error import LookupError
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from mock import Mock, MagicMock, patch
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from vcsserver import exceptions, hg, hgcompat
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class TestDiff(object):
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def test_raising_safe_exception_when_lookup_failed(self):
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factory = Mock()
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hg_remote = hg.HgRemote(factory)
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with patch('mercurial.patch.diff') as diff_mock:
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diff_mock.side_effect = LookupError(
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'deadbeef', 'index', 'message')
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with pytest.raises(Exception) as exc_info:
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hg_remote.diff(
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wire={}, commit_id_1='deadbeef', commit_id_2='deadbee1',
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file_filter=None, opt_git=True, opt_ignorews=True,
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context=3)
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assert type(exc_info.value) == Exception
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assert exc_info.value._vcs_kind == 'lookup'
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class TestReraiseSafeExceptions(object):
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def test_method_decorated_with_reraise_safe_exceptions(self):
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factory = Mock()
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hg_remote = hg.HgRemote(factory)
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methods = inspect.getmembers(hg_remote, predicate=inspect.ismethod)
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decorator = hg.reraise_safe_exceptions(None)
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for method_name, method in methods:
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if not method_name.startswith('_'):
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assert method.im_func.__code__ == decorator.__code__
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@pytest.mark.parametrize('side_effect, expected_type', [
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(hgcompat.Abort(), 'abort'),
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(hgcompat.InterventionRequired(), 'abort'),
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(hgcompat.RepoLookupError(), 'lookup'),
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(hgcompat.LookupError('deadbeef', 'index', 'message'), 'lookup'),
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(hgcompat.RepoError(), 'error'),
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(hgcompat.RequirementError(), 'requirement'),
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])
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def test_safe_exceptions_reraised(self, side_effect, expected_type):
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@hg.reraise_safe_exceptions
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def fake_method():
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raise side_effect
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with pytest.raises(Exception) as exc_info:
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fake_method()
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assert type(exc_info.value) == Exception
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assert exc_info.value._vcs_kind == expected_type
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def test_keeps_original_traceback(self):
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@hg.reraise_safe_exceptions
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def fake_method():
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try:
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raise hgcompat.Abort()
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except:
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self.original_traceback = traceback.format_tb(
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sys.exc_info()[2])
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raise
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try:
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fake_method()
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except Exception:
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new_traceback = traceback.format_tb(sys.exc_info()[2])
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new_traceback_tail = new_traceback[-len(self.original_traceback):]
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assert new_traceback_tail == self.original_traceback
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def test_maps_unknow_exceptions_to_unhandled(self):
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@hg.reraise_safe_exceptions
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def stub_method():
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raise ValueError('stub')
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with pytest.raises(Exception) as exc_info:
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stub_method()
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assert exc_info.value._vcs_kind == 'unhandled'
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def test_does_not_map_known_exceptions(self):
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@hg.reraise_safe_exceptions
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def stub_method():
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raise exceptions.LookupException()('stub')
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with pytest.raises(Exception) as exc_info:
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stub_method()
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assert exc_info.value._vcs_kind == 'lookup'
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