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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 io import BytesIO
import subunit
from testtools.content import TracebackContent
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 = {} # 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.TestProtocolClient(result)
self.run(serialiser)
result.seek(0)
return result
def get_test(self):
return self
def run(self, result):
for outcome, test, details in self._repository._failing.values():
result.startTest(test)
getattr(result, 'add' + outcome)(test, details=details)
result.stopTest(test)
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._outcomes = []
self._events = []
self._time = None
self._test_start = None
def startTestRun(self):
pass
def stopTestRun(self):
self._repository._runs.append(self)
self._run_id = len(self._repository._runs) - 1
if not self._partial:
self._repository._failing = {}
for record in self._outcomes:
test_id = record[1].id()
if record[0] in ('Failure', 'Error'):
self._repository._failing[test_id] = record
else:
self._repository._failing.pop(test_id, None)
return self._run_id
def startTest(self, test):
self._test_start = self._time
self._events.append(('startTest', test))
def stopTest(self, test):
self._events.append(('stopTest', test))
if None in (self._test_start, self._time):
return
duration_delta = self._time - self._test_start
duration_seconds = ((duration_delta.microseconds +
(duration_delta.seconds + duration_delta.days * 24 * 3600)
* 10**6) / 10.0**6)
self._repository._times[test.id()] = duration_seconds
def _addOutcome(self, outcome, test, details):
self._outcomes.append((outcome, test, details))
def addSuccess(self, test, details=None):
self._events.append(('addSuccess', test, details))
self._addOutcome('Success', test, details)
def _force_to_details(self, test, err, details):
if not details:
details = {}
if err is not None:
details['err'] = TracebackContent(err, test)
return details
def addFailure(self, test, err=None, details=None):
# Don't support old interface for now.
self._events.append(('addFailure', test, err, details))
details = self._force_to_details(test, err, details)
self._addOutcome('Failure', test, details)
def addError(self, test, err=None, details=None):
self._events.append(('addError', test, err, details))
details = self._force_to_details(test, err, details)
self._addOutcome('Error', test, details)
def addExpectedFailure(self, test, err=None, details=None):
assert err is None
self._events.append(('addExpectedFailure', test, None, details))
self._addOutcome('ExpectedFailure', test, details)
def addUnexpectedSuccess(self, test, details=None):
self._events.append(('addUnexpectedSuccess', test, details))
self._addOutcome('UnexpectedSuccess', test, details)
def addSkip(self, test, reason=None, details=None):
assert reason is None
self._events.append(('addSkip', test, None, details))
self._addOutcome('Skip', test, details)
def get_id(self):
return self._run_id
def get_subunit_stream(self):
result = BytesIO()
serialiser = subunit.TestProtocolClient(result)
self.run(serialiser)
result.seek(0)
return result
def get_test(self):
return self
def run(self, result):
for event in self._events:
method = getattr(result, event[0])
method(*event[1:])
def time(self, timestamp):
self._events.append(('time', timestamp))
self._time = timestamp
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