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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'}

object_info = {

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

    'content-length': 254965,

    'content-type': 'application/octet-stream',

    'date': 'Thu, 07 Mar 2013 13:27:43 GMT',

    'etag': '',

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

    'server': 'gunicorn/0.14.5',

    'vary': 'Accept-Language',

    'x-object-hash': 'obj3c7h45h1s0bj3c7h45h411r34dY',

    'x-object-uuid': 'd0c747ca-34bd-49e0-8e98-1d07d8b0cbc7',

    'x-object-version': '525996',

    'x-object-version-timestamp': 'Mon, 04 Mar 2013 18:22:31 GMT',

    'x-object-meta-k1': 'v1',

    'x-object-meta-k2': 'v2'}

container_list = [

    dict(

        count=2,

        last_modified="2013-02-27T11:56:09.893033+00:00",

        bytes=677076979,

        name="pithos",

        x_container_policy=dict(quota="21474836480", versioning="auto")),

    dict(

        count=0,

        last_modified="2012-10-23T12:25:17.229187+00:00",

        bytes=0,

        name="trash",

        x_container_policy=dict(quota="21474836480", versioning="auto"))]

object_list = [

    dict(hash="",

        name="The_Secret_Garden.zip",

        x_object_public="/public/wdp9p",

        bytes=203304947,

        x_object_version_timestamp="1360237915.7027509",

        x_object_uuid="s0m3uu1df0r0bj0n3",

        last_modified="2013-02-07T11:51:55.702751+00:00",

        content_type="application/octet-stream",

        x_object_hash="0afdf29f71cd53126225c3f54ca",

        x_object_version=17737,

        x_object_modified_by=user_id),

    dict(hash="",

        name="The_Revealed_Garden.zip",

        x_object_public="/public/wpd7p",

        bytes=20330947,

        x_object_version_timestamp="13602915.7027509",

        x_object_uuid="s0m3uu1df0r0bj70w",

        last_modified="2013-02-07T11:51:55.702751+00:00",

        content_type="application/octet-stream",

        x_object_hash="0afdf29f71cd53126225c3f54ca",

        x_object_version=17737,

        x_object_modified_by=user_id)]

class Pithos(TestCase):

    class FR(object):

        """FR stands for Fake Response"""

        json = dict()

        headers = dict()

        content = json

        status = None

        status_code = 200

        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

        self.FR.json = dict()

        for f in self.files:

            f.close()

    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)])

    def test_delete_container(self):

        self.FR.status_code = 204

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

            cont = 's0m3c0n731n3r'

            self.client.delete_container(cont)

            self.FR.status_code = 404

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

            self.FR.status_code = 409

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

            acall = call('/%s/%s' % (user_id, cont), success=(204, 404, 409))

            self.assertEqual(delete.mock_calls, [acall] * 3)

    def test_list_containers(self):

        self.FR.json = container_list

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

            r = self.client.list_containers()

            for i in range(len(r)):

                self.assert_dicts_are_equal(r[i], container_list[i])

    def test_upload_object(self):

        PC.get_container_info = Mock(return_value=container_info)

        PC.container_post = Mock(return_value=self.FR())

        PC.object_put = Mock(return_value=self.FR())

        from tempfile import NamedTemporaryFile

        from os import urandom

        self.files.append(NamedTemporaryFile())

        tmpFile = self.files[-1]

        num_of_blocks = 8

        file_size = num_of_blocks * 4 * 1024 * 1024

        print('\n\tCreate tmp file')

        tmpFile.write(urandom(file_size))

        tmpFile.flush()

        tmpFile.seek(0)

        print('\t\tDone')

        obj = 'objectName'

        # No special args

        self.client.upload_object(obj, tmpFile)

        self.assertEqual(PC.get_container_info.mock_calls, [call()])

        [call1, call2] = PC.object_put.mock_calls

        (args1, kwargs1) = call1[1:3]

        (args2, kwargs2) = call2[1:3]

        self.assertEqual(args1, (obj,))

        expected1 = dict(

            hashmap=True,

            success=(201, 409),

            format='json',

            json=dict(

                hashes=['s0m3h@5h'] * num_of_blocks,

                bytes=file_size),

            etag=None,

            content_encoding=None,

            content_type='application/octet-stream',

            content_disposition=None,

            public=None,

            permissions=None)

        for k, v in expected1.items():

            if k == 'json':

                self.assertEqual(len(v['hashes']), len(kwargs1[k]['hashes']))

                self.assertEqual(v['bytes'], kwargs1[k]['bytes'])

            else:

                self.assertEqual(v, kwargs1[k])

        (args2, kwargs2) = call2[1:3]

        self.assertEqual(args2, (obj,))

        expected2 = dict(

            json=dict(

                hashes=['s0m3h@5h'] * num_of_blocks,

                bytes=file_size),

            content_type='application/octet-stream',

            hashmap=True,

            success=201,

            format='json')

        for k, v in expected2.items():

            if k == 'json':

                self.assertEqual(len(v['hashes']), len(kwargs2[k]['hashes']))

                self.assertEqual(v['bytes'], kwargs2[k]['bytes'])

            else:

                self.assertEqual(v, kwargs2[k])

        OP = PC.object_put

        mock_offset = 2

        #  With progress bars

        try:

            from progress.bar import ShadyBar

            blck_bar = ShadyBar('Mock blck calc.')

            upld_bar = ShadyBar('Mock uplds')

        except ImportError:

            blck_bar = None

            upld_bar = None

        if blck_bar and upld_bar:

            def blck_gen(n):

                for i in blck_bar.iter(range(n)):

                    yield

                yield

            def upld_gen(n):

                for i in upld_bar.iter(range(n)):

                    yield

                yield

            tmpFile.seek(0)

            self.client.upload_object(

                obj, tmpFile,

                hash_cb=blck_gen, upload_cb=upld_gen)

            for i, c in enumerate(OP.mock_calls[-mock_offset:]):

                self.assertEqual(OP.mock_calls[i], c)

        #  With content-type

        tmpFile.seek(0)

        ctype = 'video/mpeg'

        sharing = dict(read=['u1', 'g1', 'u2'], write=['u1'])

        self.client.upload_object(obj, tmpFile,

            content_type=ctype, sharing=sharing)

        self.assertEqual(OP.mock_calls[-1][2]['content_type'], ctype)

        self.assert_dicts_are_equal(

            OP.mock_calls[-2][2]['permissions'],

            sharing)

        # With other args

        tmpFile.seek(0)

        kwargs = dict(

            etag='s0m3E74g',

            content_type=ctype,

            content_disposition=ctype + 'd15p051710n',

            public=True,

            content_encoding='802.11')

        self.client.upload_object(obj, tmpFile, **kwargs)

        for arg, val in kwargs.items():

            self.assertEqual(OP.mock_calls[-2][2][arg], val)

    def test_create_object(self):

        PC.set_header = Mock()

        obj = 'r4nd0m0bj3c7'

        cont = self.client.container

        ctype = 'c0n73n7/typ3'

        exp_shd = [

            call('Content-Type', 'application/octet-stream'),

            call('Content-length', '0'),

            call('Content-Type', ctype), call('Content-length', '42')]

        exp_put = [call('/%s/%s/%s' % (user_id, cont, obj), success=201)] * 2

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

            self.client.create_object(obj)

            self.client.create_object(obj,

                content_type=ctype, content_length=42)

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

            self.assertEqual(put.mock_calls, exp_put)

    def test_create_directory(self):

        PC.set_header = Mock()

        obj = 'r4nd0m0bj3c7'

        cont = self.client.container

        exp_shd = [

            call('Content-Type', 'application/directory'),

            call('Content-length', '0')]

        exp_put = [call('/%s/%s/%s' % (user_id, cont, obj), success=201)]

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

            self.client.create_directory(obj)

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

            self.assertEqual(put.mock_calls, exp_put)

    def test_get_object_info(self):

        self.FR.headers = object_info

        obj = 'r4nd0m0bj3c7'

        version = 'v3r510n'

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

            r = self.client.get_object_info(obj)

            self.assertEqual(r, object_info)

            r = self.client.get_object_info(obj, version=version)

            self.assertEqual(head.mock_calls, [

                call(obj, version=None),

                call(obj, version=version)])

        with patch.object(

                PC,

                'object_head',

                side_effect=ClientError('Obj not found', 404)):

            self.assertRaises(

                ClientError,

                self.client.get_object_info,

                obj, version=version)

    def test_get_object_meta(self):

        obj = 'r4nd0m0bj3c7'

        expected = dict()

        for k, v in object_info.items():

            expected[k] = v

        with patch.object(

                PC,

                'get_object_info',

                return_value=object_info):

            r = self.client.get_object_meta(obj)

            self.assert_dicts_are_equal(r, expected)

    def test_del_object_meta(self):

        obj = 'r4nd0m0bj3c7'

        metakey = '50m3m3t4k3y'

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

            self.client.del_object_meta(obj, metakey)

            self.assertEqual(

                post.mock_calls,

                [call(obj, update=True, metadata={metakey: ''})])

    def test_replace_object_meta(self):

        PC.set_header = Mock()

        metas = dict(k1='new1', k2='new2', k3='new3')

        cont = self.client.container

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

            self.client.replace_object_meta(metas)

            self.assertEqual(post.mock_calls, [

                call('/%s/%s' % (user_id, cont),

                success=202)])

            prfx = 'X-Object-Meta-'

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

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

    def test_copy_object(self):

        src_cont = 'src-c0nt41n3r'

        src_obj = 'src-0bj'

        dst_cont = 'dst-c0nt41n3r'

        dst_obj = 'dst-0bj'

        expected = call(

            src_obj,

            content_length=0,

            source_account=None,

            success=201,

            copy_from='/%s/%s' % (src_cont, src_obj),

            delimiter=None,

            content_type=None,

            source_version=None,

            public=False)

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

            self.client.copy_object(src_cont, src_obj, dst_cont)

            self.assertEqual(put.mock_calls[-1], expected)

            self.client.copy_object(src_cont, src_obj, dst_cont, dst_obj)

            self.assertEqual(put.mock_calls[-1][1], (dst_obj,))

            kwargs = dict(

                source_version='src-v3r510n',

                source_account='src-4cc0un7',

                public=True,

                content_type='c0n73n7Typ3',

                delimiter='5')

            self.client.copy_object(src_cont, src_obj, dst_cont, **kwargs)

            for k, v in kwargs.items():

                self.assertEqual(v, put.mock_calls[-1][2][k])

    def test_move_object(self):

        src_cont = 'src-c0nt41n3r'

        src_obj = 'src-0bj'

        dst_cont = 'dst-c0nt41n3r'

        dst_obj = 'dst-0bj'

        expected = call(

            src_obj,

            content_length=0,

            source_account=None,

            success=201,

            move_from='/%s/%s' % (src_cont, src_obj),

            delimiter=None,

            content_type=None,

            source_version=None,

            public=False)

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

            self.client.move_object(src_cont, src_obj, dst_cont)

            self.assertEqual(put.mock_calls[-1], expected)

            self.client.move_object(src_cont, src_obj, dst_cont, dst_obj)

            self.assertEqual(put.mock_calls[-1][1], (dst_obj,))

            kwargs = dict(

                source_version='src-v3r510n',

                source_account='src-4cc0un7',

                public=True,

                content_type='c0n73n7Typ3',

                delimiter='5')

            self.client.move_object(src_cont, src_obj, dst_cont, **kwargs)

            for k, v in kwargs.items():

                self.assertEqual(v, put.mock_calls[-1][2][k])

    def test_delete_object(self):

        obj = 's0m30bj3c7'

        cont = self.client.container

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

            self.client.delete_object(obj)

            self.assertEqual(delete.mock_calls, [

                call('/%s/%s/%s' % (user_id, cont, obj), success=(204, 404))])

            self.FR.status_code = 404

            self.assertRaises(ClientError, self.client.delete_object, obj)

    def test_list_objects(self):

        self.FR.json = object_list

        acc = self.client.account

        cont = self.client.container

        PC.set_param = Mock()

        SP = PC.set_param

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

            r = self.client.list_objects()

            for i in range(len(r)):

                self.assert_dicts_are_equal(r[i], object_list[i])

            self.assertEqual(get.mock_calls, [

                call('/%s/%s' % (acc, cont), success=(200, 204, 304, 404))])

            self.assertEqual(SP.mock_calls, [call('format', 'json')])

            self.FR.status_code = 304

            self.assertEqual(self.client.list_objects(), [])

            self.FR.status_code = 404

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