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# Copyright 2013 GRNET S.A. All rights reserved.

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from unittest import makeSuite, TestSuite, TextTestRunner, TestCase

from time import sleep

from inspect import getmembers, isclass

from kamaki.clients.astakos.test import Astakos

from kamaki.clients.cyclades.test import Cyclades

from kamaki.clients.image.test import Image

from kamaki.clients.pithos.test import Pithos

class SilentEvent(TestCase):

    can_finish = -1

    def thread_content(self, methodid):

        wait = 0.1

        while self.can_finish < methodid and wait < 4:

            sleep(wait)

            wait = 2 * wait

        self._value = methodid

        self.assertTrue(wait < 4)

    def setUp(self):

        from kamaki.clients import SilentEvent

        self.SE = SilentEvent

    def test_threads(self):

        threads = []

        for i in range(4):

            threads.append(self.SE(self.thread_content, i))

        for t in threads:

            t.start()

        for i in range(4):

            self.assertTrue(threads[i].is_alive())

            self.can_finish = i

            threads[i].join()

            self.assertFalse(threads[i].is_alive())

#  TestCase auxiliary methods

def runTestCase(cls, test_name, args=[]):

    suite = TestSuite()

    if args:

        suite.addTest(cls('_'.join(['test'] + args)))

    else:

        suite.addTest(makeSuite(cls))

    print('* Test * %s *' % test_name)

    TextTestRunner(verbosity=2).run(suite)

def _add_value(foo, value):

    def wrap(self):

        return foo(self, value)

    return wrap

def get_test_classes(module=__import__(__name__), name=''):

    module_stack = [module]

    while module_stack:

        module = module_stack[-1]

        module_stack = module_stack[:-1]

        for objname, obj in getmembers(module):

            if (objname == name or not name):

                if isclass(obj) and objname != 'TestCase' and (

                        issubclass(obj, TestCase)):

                    yield (obj, objname)

def main(argv):

    found = False

    for cls, name in get_test_classes(name=argv[1] if len(argv) > 1 else ''):

        found = True

        runTestCase(cls, name, argv[2:])

    if not found:

        print('Test "%s" not found' % ' '.join(argv[1:]))

if __name__ == '__main__':

    from sys import argv

    main(argv)