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#
# Copyright (c) 2009, 2010 Testrepository Contributors
#
# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
# license at the users choice. A copy of both licenses are available in the
# project source as Apache-2.0 and BSD. You may not use this file except in
# compliance with one of these two licences.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# license you chose for the specific language governing permissions and
# limitations under that license.
"""In memory storage of test results."""
from extras import try_import
OrderedDict = try_import('collections.OrderedDict', dict)
from io import BytesIO
from operator import methodcaller
import subunit
import testtools
from testrepository.repository import (
AbstractRepository,
AbstractRepositoryFactory,
AbstractTestRun,
RepositoryNotFound,
)
class RepositoryFactory(AbstractRepositoryFactory):
"""A factory that can initialise and open memory repositories.
This is used for testing where a repository may be created and later
opened, but tests should not see each others repositories.
"""
def __init__(self):
self.repos = {}
def initialise(self, url):
self.repos[url] = Repository()
return self.repos[url]
def open(self, url):
try:
return self.repos[url]
except KeyError:
raise RepositoryNotFound(url)
class Repository(AbstractRepository):
"""In memory storage of test results."""
def __init__(self):
# Test runs:
self._runs = []
self._failing = OrderedDict() # id -> test
self._times = {} # id -> duration
def count(self):
return len(self._runs)
def get_failing(self):
return _Failures(self)
def get_test_run(self, run_id):
if run_id < 0:
raise KeyError("No such run.")
return self._runs[run_id]
def latest_id(self):
result = self.count() - 1
if result < 0:
raise KeyError("No tests in repository")
return result
def _get_inserter(self, partial):
return _Inserter(self, partial)
def _get_test_times(self, test_ids):
result = {}
for test_id in test_ids:
duration = self._times.get(test_id, None)
if duration is not None:
result[test_id] = duration
return result
# XXX: Too much duplication between this and _Inserter
class _Failures(AbstractTestRun):
"""Report on failures from a memory repository."""
def __init__(self, repository):
self._repository = repository
def get_id(self):
return None
def get_subunit_stream(self):
result = BytesIO()
serialiser = subunit.v2.StreamResultToBytes(result)
serialiser = testtools.ExtendedToStreamDecorator(serialiser)
serialiser.startTestRun()
try:
self.run(serialiser)
finally:
serialiser.stopTestRun()
result.seek(0)
return result
def get_test(self):
def wrap_result(result):
# Wrap in a router to mask out startTestRun/stopTestRun from the
# ExtendedToStreamDecorator.
result = testtools.StreamResultRouter(result, do_start_stop_run=False)
# Wrap that in ExtendedToStreamDecorator to convert v1 calls to
# StreamResult.
return testtools.ExtendedToStreamDecorator(result)
return testtools.DecorateTestCaseResult(
self, wrap_result, methodcaller('startTestRun'),
methodcaller('stopTestRun'))
def run(self, result):
# Speaks original V1 protocol.
for case in self._repository._failing.values():
case.run(result)
class _Inserter(AbstractTestRun):
"""Insert test results into a memory repository, and describe them later."""
def __init__(self, repository, partial):
self._repository = repository
self._partial = partial
self._tests = []
# Subunit V2 stream for get_subunit_stream
self._subunit = None
def startTestRun(self):
self._subunit = BytesIO()
serialiser = subunit.v2.StreamResultToBytes(self._subunit)
self._hook = testtools.CopyStreamResult([
testtools.StreamToDict(self._handle_test),
serialiser])
self._hook.startTestRun()
def _handle_test(self, test_dict):
self._tests.append(test_dict)
start, stop = test_dict['timestamps']
if test_dict['status'] == 'exists' or None in (start, stop):
return
duration_delta = stop - start
duration_seconds = ((duration_delta.microseconds +
(duration_delta.seconds + duration_delta.days * 24 * 3600)
* 10**6) / 10.0**6)
self._repository._times[test_dict['id']] = duration_seconds
def stopTestRun(self):
self._hook.stopTestRun()
self._repository._runs.append(self)
self._run_id = len(self._repository._runs) - 1
if not self._partial:
self._repository._failing = OrderedDict()
for test_dict in self._tests:
test_id = test_dict['id']
if test_dict['status'] == 'fail':
case = testtools.testresult.real.test_dict_to_case(test_dict)
self._repository._failing[test_id] = case
else:
self._repository._failing.pop(test_id, None)
return self._run_id
def status(self, *args, **kwargs):
self._hook.status(*args, **kwargs)
def get_id(self):
return self._run_id
def get_subunit_stream(self):
self._subunit.seek(0)
return self._subunit
def get_test(self):
def wrap_result(result):
# Wrap in a router to mask out startTestRun/stopTestRun from the
# ExtendedToStreamDecorator.
result = testtools.StreamResultRouter(result, do_start_stop_run=False)
# Wrap that in ExtendedToStreamDecorator to convert v1 calls to
# StreamResult.
return testtools.ExtendedToStreamDecorator(result)
return testtools.DecorateTestCaseResult(
self, wrap_result, methodcaller('startTestRun'),
methodcaller('stopTestRun'))
def run(self, result):
# Speaks original.
for test_dict in self._tests:
case = testtools.testresult.real.test_dict_to_case(test_dict)
case.run(result)
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