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|
# -*- coding: utf-8 -*-
"""
werkzeug.testsuite
~~~~~~~~~~~~~~~~~~
Contains all test Werkzeug tests.
:copyright: (c) 2011 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import unittest
from werkzeug.utils import import_string, find_modules
def iter_suites(package):
"""Yields all testsuites."""
for module in find_modules(package, include_packages=True):
mod = import_string(module)
if hasattr(mod, 'suite'):
yield mod.suite()
def find_all_tests(suite):
"""Yields all the tests and their names from a given suite."""
suites = [suite]
while suites:
s = suites.pop()
try:
suites.extend(s)
except TypeError:
yield s, '%s.%s.%s' % (
s.__class__.__module__,
s.__class__.__name__,
s._testMethodName
)
class WerkzeugTestCase(unittest.TestCase):
"""Baseclass for all the tests that Werkzeug uses. Use these
methods for testing instead of the camelcased ones in the
baseclass for consistency.
"""
def setup(self):
pass
def teardown(self):
pass
def setUp(self):
self.setup()
def tearDown(self):
unittest.TestCase.tearDown(self)
self.teardown()
def assert_equal(self, x, y):
return self.assertEqual(x, y)
def assert_not_equal(self, x, y):
return self.assertNotEqual(x, y)
def assert_raises(self, exc_type, callable=None, *args, **kwargs):
catcher = _ExceptionCatcher(self, exc_type)
if callable is None:
return catcher
with catcher:
callable(*args, **kwargs)
class _ExceptionCatcher(object):
def __init__(self, test_case, exc_type):
self.test_case = test_case
self.exc_type = exc_type
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, tb):
exception_name = self.exc_type.__name__
if exc_type is None:
self.test_case.fail('Expected exception of type %r' %
exception_name)
elif not issubclass(exc_type, self.exc_type):
raise exc_type, exc_value, tb
return True
class BetterLoader(unittest.TestLoader):
"""A nicer loader that solves two problems. First of all we are setting
up tests from different sources and we're doing this programmatically
which breaks the default loading logic so this is required anyways.
Secondly this loader has a nicer interpolation for test names than the
default one so you can just do ``run-tests.py ViewTestCase`` and it
will work.
"""
def getRootSuite(self):
return suite()
def loadTestsFromName(self, name, module=None):
root = self.getRootSuite()
if name == 'suite':
return root
all_tests = []
for testcase, testname in find_all_tests(root):
if testname == name or \
testname.endswith('.' + name) or \
('.' + name + '.') in testname or \
testname.startswith(name + '.'):
all_tests.append(testcase)
if not all_tests:
raise LookupError('could not find test case for "%s"' % name)
if len(all_tests) == 1:
return all_tests[0]
rv = unittest.TestSuite()
for test in all_tests:
rv.addTest(test)
return rv
def suite():
"""A testsuite that has all the Flask tests. You can use this
function to integrate the Flask tests into your own testsuite
in case you want to test that monkeypatches to Flask do not
break it.
"""
suite = unittest.TestSuite()
for other_suite in iter_suites(__name__):
suite.addTest(other_suite)
return suite
def main():
"""Runs the testsuite as command line application."""
try:
unittest.main(testLoader=BetterLoader(), defaultTest='suite')
except Exception, e:
print 'Error: %s' % e
|
