Synnefo » ./kamaki

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

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#from mock import patch, call

from unittest import TestCase

from tempfile import TemporaryFile

from kamaki.clients import utils

def _try(assertfoo, foo, *args):

    try:

        return assertfoo(foo(*args))

    except AssertionError:

        argstr = '( '

        for arg in args:

            argstr += '"%s" ' % arg

        argstr += ')'

        print('::: Method %s failed with args %s' % (foo, argstr))

        raise

filter_examples = [

    ('', dict(), dict(), dict()),

    (

        'key',

        dict(key1='v1', key2='v2', v=dict(key='v'), val1='k1', val2='k2'),

        dict(key1='v1', key2='v2'),

        dict(v=dict(key='v'), val1='k1', val2='k2')),

    (

        'val',

        dict(key1='v1', key2='v2', val=dict(key='v'), val1='k1', val2='k2'),

        dict(val1='k1', val2='k2', val=dict(key='v')),

        dict(key1='v1', key2='v2')),

    (

        'kv',

        dict(kvm='in', mkv='out', kv=''),

        dict(kvm='in', kv=''),

        dict(mkv='out'))]

class Utils(TestCase):

    def assert_dicts_are_equal(self, d1, d2):

        for k, v in d1.items():

            self.assertTrue(k in d2)

            if isinstance(v, dict):

                self.assert_dicts_are_equal(v, d2[k])

            else:

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

    def test__matches(self):

        for args in (

                ('example', 'example'), ('example', 'example', True),

                ('example', 'example', False), ('example0', 'example', False),

                ('example', '', False), ('', ''),

                ('', '', True), ('', '', False)):

            _try(self.assertTrue, utils._matches, *args)

        for args in (

                ('', 'example'), ('example', ''),

                ('example', 'example0'), ('example0', 'example'),

                ('example', 'example0', True), ('example', 'example0', False),

                ('example0', 'example'), ('example0', 'example', True)):

            _try(self.assertFalse, utils._matches, *args)

    def test_filter_out(self):

        for key, src, exp_in, exp_out in filter_examples:

            r = utils.filter_out(src, key)

            self.assert_dicts_are_equal(r, exp_out)

            for k in exp_in:

                self.assertFalse(k in r)

            r = utils.filter_out(src, key, True)

            if key in src:

                expected = dict(src)

                expected.pop(key)

                self.assert_dicts_are_equal(r, expected)

            else:

                self.assert_dicts_are_equal(r, src)

    def test_filter_in(self):

        for key, src, exp_in, exp_out in filter_examples:

            r = utils.filter_in(src, key)

            self.assert_dicts_are_equal(r, exp_in)

            for k in exp_out:

                self.assertFalse(k in r)

            r = utils.filter_in(src, key, True)

            if key in src:

                self.assert_dicts_are_equal(r, {key: src[key]})

            else:

                self.assert_dicts_are_equal(r, dict())

    def test_path4url(self):

        utf = u'\u03a6\u03bf\u03cd\u03c4\u03c3\u03bf\u03c2'.encode('utf-8')

        for expected, args in (

                ('', ('')),

                ('/path1/path2', ('path1', 'path2')),

                ('/1/number/0.28', (1, 'number', 0.28)),

                ('/1/n/u/m/b/er/X', ('//1//', '//n//u///m////b/er/', 'X//')),

                ('/p1/%s/p2' % utf.decode('utf-8'), ('p1', utf, 'p2'))):

            self.assertEqual(utils.path4url(*args), expected)

    def test_readall(self):

        tstr = '1234567890'

        with TemporaryFile() as f:

            f.write(tstr)

            f.flush()

            f.seek(0)

            self.assertEqual(utils.readall(f, 5), tstr[:5])

            self.assertEqual(utils.readall(f, 10), tstr[5:])

            self.assertEqual(utils.readall(f, 1), '')

            self.assertRaises(IOError, utils.readall, f, 1, 0)

if __name__ == '__main__':

    from sys import argv

    from kamaki.clients.test import runTestCase

    runTestCase(Utils, 'clients.utils methods', argv[1:])