Synnefo » ./kamaki

# Copyright 2012-2013 GRNET S.A. All rights reserved.

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import inspect

from unittest import TestCase, TestSuite, TextTestRunner

from argparse import ArgumentParser

from sys import stdout

from kamaki.cli.config import Config

from kamaki.cli.utils import spiner

def _add_value(foo, value):

    def wrap(self):

        return foo(self, value)

    return wrap

class Generic(TestCase):

    _waits = []

    _cnf = None

    _grp = None

    _fetched = {}

    def __init__(self, specific=None, config=None, group=None):

        super(Generic, self).__init__(specific)

        self._cnf = config or Config()

        self._grp = group

        self._waits.append(0.71828)

        for i in range(10):

            self._waits.append(self._waits[-1] * 2.71828)

    def __getitem__(self, key):

        key = self._key(key)

        try:

            r = self._fetched[key]

            return r

            return self._fetched[key]

        except KeyError:

            r = self._get_from_cnf(key)

            return r

            return self._get_from_cnf(key)

    def _key(self, key):

        return ('', key) if isinstance(key, str)\

            else ('', key[0]) if len(key) == 1\

            else key

    def _get_from_cnf(self, key):

        val = 0

        if key[0]:

            keystr = '%s_%s' % key

            val = self._cnf.get('livetest', keystr) or self._cnf.get(*key)

        if not val:

            val = self._cnf.get('livetest', key[1]) or self._cnf.get(

                'global',

                key[1])

        self._fetched[key] = val

        return val

    def _safe_progress_bar(self, msg):

        """Try to get a progress bar, but do not raise errors"""

        try:

            from progress.bar import ShadyBar

            wait_bar = ShadyBar(msg)

            def wait_gen(n):

                for i in wait_bar.iter(range(int(n))):

                    yield

                yield

            wait_cb = wait_gen

        except Exception:

            stdout.write('%s:' % msg)

            (wait_bar, wait_cb) = (None, spiner)

        return (wait_bar, wait_cb)

    def _safe_progress_bar_finish(self, progress_bar):

        try:

            progress_bar.finish()

        except Exception:

            print('\b DONE')

    def do_with_progress_bar(self, action, msg, items):

        if not items:

            print('%s: DONE' % msg)

            return

        (action_bar, action_cb) = self._safe_progress_bar(msg)

        action_gen = action_cb(len(items))

        try:

            action_gen.next()

        except Exception:

            pass

        for item in items:

            action(item)

            action_gen.next()

        self._safe_progress_bar_finish(action_bar)

    def assert_dicts_are_equal(self, d1, d2):

        self.assertTrue(set(d1) == set(d2))

        for k, v in d1.items():

            if isinstance(v, dict):

                self.assert_dicts_are_equal(d1[k], d2[k])

            else:

                self.assertEqual(v, d2[k])

    def assert_dicts_are_deeply_equal(self, d1, d2):

        st1 = set([unicode(k) for k in d1])

        st2 = set([unicode(k) for k in d2])

        diff1 = st1.difference(st2)

        diff2 = st2.difference(st1)

        self.assertTrue(

            not (diff1 or diff2),

            'Key differences:\n\td1-d2=%s\n\td2-d1=%s' % (diff1, diff2))

        for k, v in d1.items():

            if isinstance(v, dict):

                self.assert_dicts_are_deeply_equal(v, d2[k])

            else:

                self.assertEqual(unicode(v), unicode(d2[k]))

    def test_000(self):

        print('')

        methods = [method for method in inspect.getmembers(

            self,

            predicate=inspect.ismethod) if method[0].startswith('_test_')]

        failures = 0

        for method in methods:

            stdout.write('Test %s ' % method[0][6:])

            stdout.flush()

            try:

                method[1]()

                print(' ...ok')

            except AssertionError:

                print('  FAIL: %s (%s)' % (method[0], method[1]))

                failures += 1

        if failures:

            raise AssertionError('%s failures' % failures)

def init_parser():

    parser = ArgumentParser(add_help=False)

    parser.add_argument(

        '-h', '--help',

        dest='help',

        action='store_true',

        default=False,

        help="Show this help message and exit")

    return parser

def main(argv, config=None):

    suiteFew = TestSuite()

    if len(argv) == 0 or argv[0] == 'pithos':

        from kamaki.clients.livetest.pithos import Pithos

        test_method = 'test_%s' % (argv[1] if len(argv) > 1 else '000')

        suiteFew.addTest(Pithos(test_method, config))

    if len(argv) == 0 or argv[0] == 'cyclades':

        from kamaki.clients.livetest.cyclades import Cyclades

        test_method = 'test_%s' % (argv[1] if len(argv) > 1 else '000')

        suiteFew.addTest(Cyclades(test_method, config))

    if len(argv) == 0 or argv[0] == 'image':

        from kamaki.clients.livetest.image import Image

        test_method = 'test_%s' % (argv[1] if len(argv) > 1 else '000')

        suiteFew.addTest(Image(test_method, config))

    if len(argv) == 0 or argv[0] == 'astakos':

        from kamaki.clients.livetest.astakos import Astakos

        test_method = 'test_%s' % (argv[1] if len(argv) > 1 else '000')

        suiteFew.addTest(Astakos(test_method, config))

    TextTestRunner(verbosity=2).run(suiteFew)

if __name__ == '__main__':

    parser = init_parser()

    args, argv = parser.parse_known_args()

    if len(argv) > 2 or getattr(args, 'help') or len(argv) < 1:

        raise Exception('\tusage: livetest <group> [command]')

    main(argv)