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# Note that the API of this module is guaranteed to change.
import argparse
import logging
import os
import sys
import shutil
import tempfile
class Context:
def __init__(self):
self._vars = {}
def get(self, key, default=None):
return self._vars.get(key, default)
def __getitem__(self, key):
return self._vars[key]
def __setitem__(self, key, value):
self._vars[key] = value
class Settingses:
def __init__(self):
self._scenarios = []
def add_scenario(self, name):
self._scenarios.append(name)
def is_wanted_scenario(self, name):
return (not self._scenarios or
any(name.casefold() == w.casefold() for w in self._scenarios))
class Datadir:
def __init__(self):
self._dirname = None
self._ours = False
def get(self):
if self._dirname is None:
self._dirname = tempfile.mkdtemp()
logging.info('Created temporary directory %s', self._dirname)
self._ours = True
return self._dirname
def set(self, dirname):
if dirname is not None:
self._dirname = os.path.abspath(dirname)
if not os.path.exists(self._dirname):
os.mkdir(self._dirname)
self._ours = False
def cleanup(self):
if self._ours:
logging.debug('Removing %s', self._dirname)
shutil.rmtree(self._dirname)
class Run:
def __init__(self):
self._name = None
self._context = None
self._srcdir = None
self._settingses = Settingses()
self._datadir = None
self._tempdir = None
self._parse_options()
def _parse_options(self):
p = argparse.ArgumentParser()
p.add_argument('--log', default='/dev/null')
p.add_argument('--tempdir')
p.add_argument(
'--scenario', '-s', action='append', dest='scenarios', default=[])
args = p.parse_args()
self._setup_logging(args.log)
self._tempdir = args.tempdir
for s in args.scenarios:
self._settingses.add_scenario(s)
def _setup_logging(self, filename):
format = '%(asctime)s %(levelname)s %(message)s'
logging.basicConfig(
filename=filename, format=format, level=logging.DEBUG)
logging.info('test program starts =============')
def get_context(self):
return self._context
def start(self, name):
if not self._settingses.is_wanted_scenario(name):
logging.info('Skipping unwanted scenario %s', name)
return False
logging.info('Start scenario %s', name)
self._context = Context()
self._name = name
self._srcdir = os.getcwd()
self._datadir = Datadir()
self._datadir.set(self._tempdir)
dirname = tempfile.mkdtemp(dir=self._datadir.get())
os.chdir(dirname)
return True
def end(self):
logging.info('OK %s', self._name)
sys.stdout.write('OK: {}\n'.format(self._name))
os.chdir(self._srcdir)
self._datadir.cleanup()
def assertTrue(a):
if not a:
raise Exception(
'expected {!r} to be true, but was disappointed'.format(a, b))
def assertEqual(a, b):
if a != b:
raise Exception(
'expected {!r} == {!r}, but was disappointed'.format(a, b))
def assertNotEqual(a, b):
if a == b:
raise Exception(
'expected {!r} != {!r}, but was disappointed'.format(a, b))
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