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# Copyright 2011 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
def cat(filename):
'''Return contents of file, or empty string if it doesn't exist.'''
if os.path.exists(filename):
with open(filename) as f:
return f.read()
else:
return ''
class TestCase(object):
def __init__(self, name, path_prefix):
self.name = name
self.path_prefix = path_prefix
class TestDir(object):
'''Contain information about a directory of test cases.'''
per_test_suffixes = ('script', 'stdin', 'stdout', 'stderr',
'exit', 'setup', 'teardown')
def __init__(self):
self.setup = None
self.setup_once = None
self.tests = []
self.teardown = None
self.teardown_once = None
def scan(self, dirname, filenames=None):
filenames = os.listdir(dirname) if filenames is None else filenames
script_names = ['setup_once', 'setup', 'teardown', 'teardown_once']
for name in script_names:
if name in filenames:
full_path = os.path.join(dirname, name)
setattr(self, name, full_path)
prefixes = self.find_prefixes(filenames)
for prefix in prefixes:
test = TestCase(prefix, os.path.join(dirname, prefix))
for suffix in self.per_test_suffixes:
name = '%s.%s' % (prefix, suffix)
if name in filenames:
value = os.path.join(dirname, name)
else:
value = None
setattr(test, suffix, value)
self.tests.append(test)
def find_prefixes(self, filenames):
prefixes = set()
for filename in filenames:
for suffix in self.per_test_suffixes:
suffix = '.' + suffix
if filename.endswith(suffix):
prefix = filename[:-len(suffix)]
prefixes.add(prefix)
return sorted(list(prefixes))
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