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#!/usr/bin/env python3
#
# This file is part of Checkbox.
#
# Copyright 2008 Canonical Ltd.
#
# Checkbox 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.
#
# Checkbox 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 Checkbox. If not, see <http://www.gnu.org/licenses/>.
import optparse
import os
import posixpath
import sys
lib_dir = posixpath.abspath(posixpath.dirname(__file__))
sys.path.insert(0, lib_dir)
def find_tests(testpaths=()):
"""Find all test paths, or test paths contained in the provided sequence.
@param testpaths: If provided, only tests in the given sequence will
be considered. If not provided, all tests are
considered.
@return: (unittests, doctests) tuple, with lists of unittests and
doctests found, respectively.
"""
topdir = posixpath.abspath(posixpath.dirname(__file__))
testpaths = set(testpaths)
unittests = []
doctests = []
for root, dirnames, filenames in os.walk(topdir):
for filename in filenames:
filepath = posixpath.join(root, filename)
relpath = filepath[len(topdir) + 1:]
if (filename == "__init__.py"
or filename.endswith(".pyc")
or "/tests/" not in relpath):
# Skip non-tests.
continue
if testpaths:
# Skip any tests not in testpaths.
for testpath in testpaths:
if relpath.startswith(testpath):
break
else:
continue
if filename.endswith(".py"):
unittests.append(relpath)
elif filename.endswith(".txt"):
doctests.append(relpath)
return unittests, doctests
def parse_sys_argv():
"""Extract any arguments not starting with '-' from sys.argv."""
testpaths = []
for i in range(len(sys.argv) - 1, 0, -1):
arg = sys.argv[i]
if not arg.startswith("-"):
testpaths.append(arg)
del sys.argv[i]
return testpaths
def test_with_subunit(options):
import unittest
import subunit
runner = unittest.TextTestRunner()
if options.verbose:
runner.verbosity = 2
result = subunit.IsolatedTestSuite()
loader = unittest.TestLoader()
unittests, doctests = find_tests(options.args)
if unittests:
for relpath in unittests:
modpath = relpath.replace('/', '.')[:-3]
module = __import__(modpath, None, None, [""])
tests = loader.loadTestsFromModule(module)
result.addTests(tests)
runner.run(result)
return 0
def test_with_unittest(options):
import unittest
import doctest
runner = unittest.TextTestRunner()
if options.verbose:
runner.verbosity = 2
loader = unittest.TestLoader()
unittests, doctests = find_tests(options.args)
class Summary:
def __init__(self):
self.total_failures = 0
self.total_errors = 0
self.total_tests = 0
def __call__(self, tests, failures, errors):
self.total_tests += tests
self.total_failures += failures
self.total_errors += errors
print("(tests=%d, failures=%d, errors=%d)" %
(tests, failures, errors))
unittest_summary = Summary()
doctest_summary = Summary()
if unittests:
print("Running unittests...")
for relpath in unittests:
print("[%s]" % relpath)
modpath = relpath.replace('/', '.')[:-3]
module = __import__(modpath, None, None, [""])
test = loader.loadTestsFromModule(module)
result = runner.run(test)
unittest_summary(test.countTestCases(),
len(result.failures), len(result.errors))
print()
if doctests:
print("Running doctests...")
doctest_flags = doctest.ELLIPSIS
for relpath in doctests:
print("[%s]" % relpath)
failures, total = doctest.testfile(relpath,
optionflags=doctest_flags)
doctest_summary(total, failures, 0)
print()
print("Total test cases: %d" % unittest_summary.total_tests)
print("Total doctests: %d" % doctest_summary.total_tests)
print("Total failures: %d" % (unittest_summary.total_failures +
doctest_summary.total_failures))
print("Total errors: %d" % (unittest_summary.total_errors +
doctest_summary.total_errors))
failed = bool(unittest_summary.total_failures or
unittest_summary.total_errors or
doctest_summary.total_failures or
doctest_summary.total_errors)
return failed
def setup_test_locale(test_lang="C"):
"""
Configure locale for testing
This effectively sets the LANG environment variable C (or any custom value,
if specified) and removes all other settings.
This particular setting matches the default locale on ubuntu systems
created by Ubuntu package builders (buildds). This setting makes the
built-in open to use 'ansi' encoding for text files (something that we want
to avoid entirely but that's why there is the explicit encoding argument
that we should all be using).
"""
# Unset LANG and LANGUAGE, if set
for key in ('LANG', 'LANGUAGE'):
if key in os.environ:
del os.environ[key]
# Unset all LC_* variables
for key in [key for key in os.environ.keys() if key.startswith("LC_")]:
del os.environ[key]
# Set LANG to the test value
os.environ['LANG'] = test_lang
def main():
setup_test_locale()
usage = "test [options] [<test filename>, ...]"
parser = optparse.OptionParser(usage=usage)
parser.add_option('--verbose', action='store_true')
opts, args = parser.parse_args()
opts.args = args
runner = os.environ.get("CHECKBOX_TEST_RUNNER", "unittest")
runner_func = globals().get("test_with_%s" % runner.replace(".", "_"))
if not runner_func:
sys.exit("Test runner not found: %s" % runner)
sys.exit(runner_func(opts))
if __name__ == "__main__":
main()
# vim:ts=4:sw=4:et
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