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#
# Copyright (c) 2012 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.
"""Handling of lists of tests - common code to --load-list etc."""
from io import BytesIO
from extras import try_import
bytestream_to_streamresult = try_import('subunit.ByteStreamToStreamResult')
stream_result = try_import('testtools.testresult.doubles.StreamResult')
from testtools.compat import _b, _u
def write_list(stream, test_ids):
"""Write test_ids out to stream.
:param stream: A file-like object.
:param test_ids: An iterable of test ids.
"""
# May need utf8 explicitly?
stream.write(_b('\n'.join(list(test_ids) + [''])))
def parse_list(list_bytes):
"""Parse list_bytes into a list of test ids."""
return _v1(list_bytes)
def parse_enumeration(enumeration_bytes):
"""Parse enumeration_bytes into a list of test_ids."""
# If subunit v2 is available, use it.
if bytestream_to_streamresult is not None:
return _v2(enumeration_bytes)
else:
return _v1(enumeration_bytes)
def _v1(list_bytes):
return [id.strip() for id in list_bytes.decode('utf8').split(_u('\n'))
if id.strip()]
def _v2(list_bytes):
parser = bytestream_to_streamresult(BytesIO(list_bytes),
non_subunit_name='stdout')
result = stream_result()
parser.run(result)
return [event[1] for event in result._events if event[2]=='exists']
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