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

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from unittest import TestCase

from mock import patch, call, Mock

from kamaki.clients import ClientError

from kamaki.clients.pithos import PithosClient as PC

from kamaki.clients.astakos import AstakosClient

from kamaki.clients.connection.kamakicon import KamakiHTTPConnection as C

user_id = 'ac0un7-1d-5tr1ng'

account_info = {

    'content-language': 'en-us',

    'content-type': 'text/html; charset=utf-8',

    'date': 'Wed, 06 Mar 2013 13:25:51 GMT',

    'last-modified': 'Mon, 04 Mar 2013 18:22:31 GMT',

    'server': 'gunicorn/0.14.5',

    'vary': 'Accept-Language',

    'x-account-bytes-used': '751615526',

    'x-account-container-count': 7,

    'x-account-policy-quota': 53687091200,

    'x-account-policy-versioning': 'auto'}

container_info = {

    'content-language': 'en-us',

    'content-type': 'text/html; charset=utf-8',

    'date': 'Wed, 06 Mar 2013 15:11:05 GMT',

    'last-modified': 'Wed, 27 Feb 2013 15:56:13 GMT',

    'server': 'gunicorn/0.14.5',

    'vary': 'Accept-Language',

    'x-container-block-hash': 'sha256',

    'x-container-block-size': 4194304,

    'x-container-bytes-used': 309528938,

    'x-container-object-count': 14,

    'x-container-object-meta': '',

    'x-container-policy-quota': 53687091200,

    'x-container-policy-versioning': 'auto'}

class Pithos(TestCase):

    class FR(object):

        """FR stands for Fake Response"""

        json = dict()

        headers = {}

        content = json

        status = None

        status_code = 200

        headers = dict()

        def release(self):

            pass

    files = []

    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 setUp(self):

        self.url = 'https://www.example.com/pithos'

        self.token = 'p17h0570k3n'

        self.client = PC(self.url, self.token)

        self.client.account = user_id

        self.client.container = 'c0nt@1n3r_i'

    def tearDown(self):

        self.FR.headers = dict()

        self.FR.status_code = 200

    def test_get_account_info(self):

        self.FR.headers = account_info

        self.FR.status_code = 204

        with patch.object(C, 'perform_request', return_value=self.FR()):

            r = self.client.get_account_info()

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/%s' % user_id)

            self.assert_dicts_are_equal(r, account_info)

            PC.set_param = Mock()

            untils = ['date 1', 'date 2', 'date 3']

            for unt in untils:

                r = self.client.get_account_info(until=unt)

                self.assert_dicts_are_equal(r, account_info)

            for i in range(len(untils)):

                self.assertEqual(

                    PC.set_param.mock_calls[i],

                    call('until', untils[i], iff=untils[i]))

            self.FR.status_code = 401

            self.assertRaises(ClientError, self.client.get_account_info)

    def test_replace_account_meta(self):

        self.FR.status_code = 202

        metas = dict(k1='v1', k2='v2', k3='v3')

        PC.set_header = Mock()

        with patch.object(C, 'perform_request', return_value=self.FR()):

            self.client.replace_account_meta(metas)

            self.assertEqual(self.client.http_client.url, self.url)

            self.assertEqual(self.client.http_client.path, '/%s' % user_id)

            prfx = 'X-Account-Meta-'

            expected = [call('%s%s' % (prfx, k), v) for k, v in metas.items()]

            self.assertEqual(PC.set_header.mock_calls, expected)

    def test_del_account_meta(self):

        keys = ['k1', 'k2', 'k3']

        with patch.object(PC, 'account_post', return_value=self.FR()) as ap:

            expected = []

            for key in keys:

                self.client.del_account_meta(key)

                expected.append(call(update=True, metadata={key: ''}))

            self.assertEqual(ap.mock_calls, expected)

    def test_create_container(self):

        self.FR.status_code = 201

        with patch.object(PC, 'put', return_value=self.FR()) as put:

            cont = 's0m3c0n731n3r'

            self.client.create_container(cont)

            expected = [call('/%s/%s' % (user_id, cont), success=(201, 202))]

            self.assertEqual(put.mock_calls, expected)

            self.FR.status_code = 202

            self.assertRaises(ClientError, self.client.create_container, cont)

    def test_get_container_info(self):

        self.FR.headers = container_info

        with patch.object(PC, 'container_head', return_value=self.FR()) as ch:

            r = self.client.get_container_info()

            self.assert_dicts_are_equal(r, container_info)

            u = 'some date'

            r = self.client.get_container_info(until=u)

            self.assertEqual(ch.mock_calls, [call(until=None), call(until=u)])