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test_hg.py
108 lines | 4.0 KiB | text/x-python | PythonLexer
# RhodeCode VCSServer provides access to different vcs backends via network.
# Copyright (C) 2014-2020 RhodeCode GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import inspect
import sys
import traceback
import pytest
from mercurial.error import LookupError
from mock import Mock, MagicMock, patch
from vcsserver import exceptions, hg, hgcompat
class TestDiff(object):
def test_raising_safe_exception_when_lookup_failed(self):
factory = Mock()
hg_remote = hg.HgRemote(factory)
with patch('mercurial.patch.diff') as diff_mock:
diff_mock.side_effect = LookupError(
'deadbeef', 'index', 'message')
with pytest.raises(Exception) as exc_info:
hg_remote.diff(
wire={}, commit_id_1='deadbeef', commit_id_2='deadbee1',
file_filter=None, opt_git=True, opt_ignorews=True,
context=3)
assert type(exc_info.value) == Exception
assert exc_info.value._vcs_kind == 'lookup'
class TestReraiseSafeExceptions(object):
def test_method_decorated_with_reraise_safe_exceptions(self):
factory = Mock()
hg_remote = hg.HgRemote(factory)
methods = inspect.getmembers(hg_remote, predicate=inspect.ismethod)
decorator = hg.reraise_safe_exceptions(None)
for method_name, method in methods:
if not method_name.startswith('_'):
assert method.im_func.__code__ == decorator.__code__
@pytest.mark.parametrize('side_effect, expected_type', [
(hgcompat.Abort(), 'abort'),
(hgcompat.InterventionRequired(), 'abort'),
(hgcompat.RepoLookupError(), 'lookup'),
(hgcompat.LookupError('deadbeef', 'index', 'message'), 'lookup'),
(hgcompat.RepoError(), 'error'),
(hgcompat.RequirementError(), 'requirement'),
])
def test_safe_exceptions_reraised(self, side_effect, expected_type):
@hg.reraise_safe_exceptions
def fake_method():
raise side_effect
with pytest.raises(Exception) as exc_info:
fake_method()
assert type(exc_info.value) == Exception
assert exc_info.value._vcs_kind == expected_type
def test_keeps_original_traceback(self):
@hg.reraise_safe_exceptions
def fake_method():
try:
raise hgcompat.Abort()
except:
self.original_traceback = traceback.format_tb(
sys.exc_info()[2])
raise
try:
fake_method()
except Exception:
new_traceback = traceback.format_tb(sys.exc_info()[2])
new_traceback_tail = new_traceback[-len(self.original_traceback):]
assert new_traceback_tail == self.original_traceback
def test_maps_unknow_exceptions_to_unhandled(self):
@hg.reraise_safe_exceptions
def stub_method():
raise ValueError('stub')
with pytest.raises(Exception) as exc_info:
stub_method()
assert exc_info.value._vcs_kind == 'unhandled'
def test_does_not_map_known_exceptions(self):
@hg.reraise_safe_exceptions
def stub_method():
raise exceptions.LookupException()('stub')
with pytest.raises(Exception) as exc_info:
stub_method()
assert exc_info.value._vcs_kind == 'lookup'