# -*- coding: utf-8 -*-
# Copyright (c) 2013-2014 Simon Jagoe
# All rights reserved.
#
# This software may be modified and distributed under the terms
# of the 3-clause BSD license. See the LICENSE.txt file for details.
from __future__ import absolute_import, unicode_literals
from .i_runner_plugin import IRunnerPlugin
import warnings
[docs]class BaseTestRunner(IRunnerPlugin):
"""A test runner class that does not print any output itself.
"""
def __init__(self, warnings=None):
self.warnings = warnings
[docs] @classmethod
def from_args(cls, args, arg_prefix):
return cls()
[docs] @classmethod
def add_parser_arguments(self, parser, option_prefix, dest_prefix):
pass
[docs] def run(self, result_collector, test):
"""Run the given test case or test suite.
"""
with warnings.catch_warnings():
if self.warnings:
# if self.warnings is set, use it to filter all the warnings
warnings.simplefilter(self.warnings)
# if the filter is 'default' or 'always', special-case the
# warnings from the deprecated unittest methods to show them
# no more than once per module, because they can be fairly
# noisy. The -Wd and -Wa flags can be used to bypass this
# only when self.warnings is None.
if self.warnings in ['default', 'always']:
warnings.filterwarnings(
'module',
category=DeprecationWarning,
message='Please use assert\w+ instead.')
result_collector.startTestRun()
try:
test(result_collector)
finally:
result_collector.stopTestRun()
return result_collector