/usr/lib/python2.7/dist-packages/gabbi/suite.py is in python-gabbi 1.40.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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# 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.
"""A TestSuite for containing gabbi tests.
This suite has two features: the contained tests are ordered and there
are suite-level fixtures that operate as context managers.
"""
import sys
import unittest
from wsgi_intercept import interceptor
from gabbi import fixture
def noop(*args):
"""A noop method used to disable collected tests."""
pass
class GabbiSuite(unittest.TestSuite):
"""A TestSuite with fixtures.
The suite wraps the tests with a set of nested context managers that
operate as fixtures.
If a fixture raises unittest.case.SkipTest during setup, all the
tests in this suite will be skipped.
"""
def run(self, result, debug=False):
"""Override TestSuite run to start suite-level fixtures.
To avoid exception confusion, use a null Fixture when there
are no fixtures.
"""
fixtures, intercept, host, port, prefix = self._get_intercept()
try:
with fixture.nest([fix() for fix in fixtures]):
if intercept:
with interceptor.Urllib3Interceptor(
intercept, host, port, prefix):
result = super(GabbiSuite, self).run(result, debug)
else:
result = super(GabbiSuite, self).run(result, debug)
except unittest.SkipTest as exc:
for test in self._tests:
result.addSkip(test, str(exc))
# If we have an exception in the nested fixtures, that means
# there's been an exception somewhere in the cycle other
# than a specific test (as that would have been caught
# already), thus from a fixture. If that exception were to
# continue to raise here, then some test runners would
# swallow it and the traceback of the failure would be
# undiscoverable. To ensure the traceback is reported (via
# the testrunner) to a human, the first test in the suite is
# marked as having an error (it's fixture failed) and then
# the entire suite is skipped, and the result stream told
# we're done. If there are no tests (an empty suite) the
# exception is re-raised.
except Exception as exc:
if self._tests:
result.addError(self._tests[0], sys.exc_info())
for test in self._tests:
result.addSkip(test, 'fixture failure')
result.stop()
else:
raise
return result
def start(self, result, tests):
"""Start fixtures when using pytest."""
fixtures, intercept, host, port, prefix = self._get_intercept()
self.used_fixtures = []
try:
for fix in fixtures:
fix_object = fix()
fix_object.__enter__()
self.used_fixtures.append(fix_object)
except unittest.SkipTest as exc:
# Disable the already collected tests that we now wish
# to skip.
for test in tests:
test.run = noop
test.add_marker('skip')
result.addSkip(self, str(exc))
if intercept:
intercept_fixture = interceptor.Urllib3Interceptor(
intercept, host, port, prefix)
intercept_fixture.__enter__()
self.used_fixtures.append(intercept_fixture)
def stop(self):
"""Stop fixtures when using pytest."""
for fix in reversed(self.used_fixtures):
fix.__exit__(None, None, None)
def _get_intercept(self):
fixtures = [fixture.GabbiFixture]
intercept = host = port = prefix = None
try:
first_test = self._find_first_full_test()
fixtures = first_test.fixtures
host = first_test.host
port = first_test.port
prefix = first_test.prefix
intercept = first_test.intercept
# Unbind a passed in WSGI application. During the
# metaclass building process intercept becomes bound.
try:
intercept = intercept.__func__
except AttributeError:
pass
except AttributeError:
pass
return fixtures, intercept, host, port, prefix
def _find_first_full_test(self):
"""Traverse a sparse test suite to find the first HTTPTestCase.
When only some tests are requested empty TestSuites replace the
unrequested tests.
"""
for test in self._tests:
if hasattr(test, 'fixtures'):
return test
raise AttributeError('no fixtures found')
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