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#!/usr/bin/env python
# subunit: extensions to python unittest to get test results from subprocesses.
# Copyright (C) 2008 Robert Collins <robertc@robertcollins.net>
# (C) 2009 Martin Pool
#
# 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.
#
"""Filter a subunit stream to include/exclude tests.
The default is to strip successful tests.
Tests can be filtered by Python regular expressions with --with and --without,
which match both the test name and the error text (if any). The result
contains tests which match any of the --with expressions and none of the
--without expressions. For case-insensitive matching prepend '(?i)'.
Remember to quote shell metacharacters.
"""
from optparse import OptionParser
import sys
import re
from subunit import (
DiscardStream,
ProtocolTestCase,
TestProtocolClient,
read_test_list,
)
from subunit.filters import filter_by_result
from subunit.test_results import (
and_predicates,
make_tag_filter,
TestResultFilter,
)
def make_options(description):
parser = OptionParser(description=__doc__)
parser.add_option("--error", action="store_false",
help="include errors", default=False, dest="error")
parser.add_option("-e", "--no-error", action="store_true",
help="exclude errors", dest="error")
parser.add_option("--failure", action="store_false",
help="include failures", default=False, dest="failure")
parser.add_option("-f", "--no-failure", action="store_true",
help="exclude failures", dest="failure")
parser.add_option("--passthrough", action="store_false",
help="Show all non subunit input.", default=False, dest="no_passthrough")
parser.add_option("--no-passthrough", action="store_true",
help="Hide all non subunit input.", default=False, dest="no_passthrough")
parser.add_option("-s", "--success", action="store_false",
help="include successes", dest="success")
parser.add_option("--no-success", action="store_true",
help="exclude successes", default=True, dest="success")
parser.add_option("--no-skip", action="store_true",
help="exclude skips", dest="skip")
parser.add_option("--xfail", action="store_false",
help="include expected falures", default=True, dest="xfail")
parser.add_option("--no-xfail", action="store_true",
help="exclude expected falures", default=True, dest="xfail")
parser.add_option(
"--with-tag", type=str,
help="include tests with these tags", action="append", dest="with_tags")
parser.add_option(
"--without-tag", type=str,
help="exclude tests with these tags", action="append", dest="without_tags")
parser.add_option("-m", "--with", type=str,
help="regexp to include (case-sensitive by default)",
action="append", dest="with_regexps")
parser.add_option("--fixup-expected-failures", type=str,
help="File with list of test ids that are expected to fail; on failure "
"their result will be changed to xfail; on success they will be "
"changed to error.", dest="fixup_expected_failures", action="append")
parser.add_option("--without", type=str,
help="regexp to exclude (case-sensitive by default)",
action="append", dest="without_regexps")
parser.add_option("-F", "--only-genuine-failures", action="callback",
callback=only_genuine_failures_callback,
help="Only pass through failures and exceptions.")
return parser
def only_genuine_failures_callback(option, opt, value, parser):
parser.rargs.insert(0, '--no-passthrough')
parser.rargs.insert(0, '--no-xfail')
parser.rargs.insert(0, '--no-skip')
parser.rargs.insert(0, '--no-success')
def _compile_re_from_list(l):
return re.compile("|".join(l), re.MULTILINE)
def _make_regexp_filter(with_regexps, without_regexps):
"""Make a callback that checks tests against regexps.
with_regexps and without_regexps are each either a list of regexp strings,
or None.
"""
with_re = with_regexps and _compile_re_from_list(with_regexps)
without_re = without_regexps and _compile_re_from_list(without_regexps)
def check_regexps(test, outcome, err, details, tags):
"""Check if this test and error match the regexp filters."""
test_str = str(test) + outcome + str(err) + str(details)
if with_re and not with_re.search(test_str):
return False
if without_re and without_re.search(test_str):
return False
return True
return check_regexps
def _make_result(output, options, predicate):
"""Make the result that we'll send the test outcomes to."""
fixup_expected_failures = set()
for path in options.fixup_expected_failures or ():
fixup_expected_failures.update(read_test_list(path))
return TestResultFilter(
TestProtocolClient(output),
filter_error=options.error,
filter_failure=options.failure,
filter_success=options.success,
filter_skip=options.skip,
filter_xfail=options.xfail,
filter_predicate=predicate,
fixup_expected_failures=fixup_expected_failures)
def main():
parser = make_options(__doc__)
(options, args) = parser.parse_args()
regexp_filter = _make_regexp_filter(
options.with_regexps, options.without_regexps)
tag_filter = make_tag_filter(options.with_tags, options.without_tags)
filter_predicate = and_predicates([regexp_filter, tag_filter])
filter_by_result(
lambda output_to: _make_result(sys.stdout, options, filter_predicate),
output_path=None,
passthrough=(not options.no_passthrough),
forward=False)
sys.exit(0)
if __name__ == '__main__':
main()
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