Synnefo » ./kamaki

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

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from mock import patch, call

from unittest import TestCase

from itertools import product

from json import dumps

from sys import stdout

import json

from kamaki.clients import ClientError, compute

rest_pkg = 'kamaki.clients.compute.rest_api.ComputeRestClient'

compute_pkg = 'kamaki.clients.compute.ComputeClient'

img_ref = "1m4g3-r3f3r3nc3"

vm_name = "my new VM"

fid = 42

vm_send = dict(server=dict(

    flavorRef=fid,

    name=vm_name,

    imageRef=img_ref,

    metadata=dict(os="debian", users="root")))

vm_recv = dict(server=dict(

    status="BUILD",

    updated="2013-03-01T10:04:00.637152+00:00",

    hostId="",

    name=vm_name,

    imageRef=img_ref,

    created="2013-03-01T10:04:00.087324+00:00",

    flavorRef=fid,

    adminPass="n0n3sh@11p@55",

    suspended=False,

    progress=0,

    id=31173,

    metadata=dict(os="debian", users="root")))

img_recv = dict(image=dict(

    status="ACTIVE",

    updated="2013-02-26T11:10:14+00:00",

    name="Debian Base",

    created="2013-02-26T11:03:29+00:00",

    progress=100,

    id=img_ref,

    metadata=dict(

        partition_table="msdos",

        kernel="2.6.32",

        osfamily="linux",

        users="root",

        gui="No GUI",

        sortorder="1",

        os="debian",

        root_partition="1",

        description="Debian 6.0.7 (Squeeze) Base System")))

vm_list = dict(servers=[

    dict(name='n1', id=1),

    dict(name='n2', id=2)])

flavor_list = dict(flavors=[

    dict(id=41, name="C1R1024D20"),

    dict(id=42, name="C1R1024D40"),

    dict(id=43, name="C1R1028D20")])

img_list = dict(images=[

    dict(name="maelstrom", id="0fb03e45-7d5a-4515-bd4e-e6bbf6457f06"),

    dict(name="edx_saas", id="1357163d-5fd8-488e-a117-48734c526206"),

    dict(name="Debian_Wheezy_Base", id="1f8454f0-8e3e-4b6c-ab8e-5236b728dffe"),

    dict(name="CentOS", id="21894b48-c805-4568-ac8b-7d4bb8eb533d"),

    dict(name="Ubuntu Desktop", id="37bc522c-c479-4085-bfb9-464f9b9e2e31"),

    dict(name="Ubuntu 12.10", id="3a24fef9-1a8c-47d1-8f11-e07bd5e544fd"),

    dict(name="Debian Base", id="40ace203-6254-4e17-a5cb-518d55418a7d"),

    dict(name="ubuntu_bundled", id="5336e265-5c7c-4127-95cb-2bf832a79903")])

class FR(object):

    """FR stands for Fake Response"""

    json = vm_recv

    headers = {}

    content = json

    status = None

    status_code = 200

def print_iterations(old, new):

    if new:

        if new % 1000:

            return old

        stdout.write('\b' * len('%s' % old))

        stdout.write('%s' % new)

    else:

        stdout.write('# of loops:  ')

    stdout.flush()

    return new

class ComputeRestClient(TestCase):

    """Set up a ComputesRest thorough test"""

    def setUp(self):

        self.url = 'http://cyclades.example.com'

        self.token = 'cyc14d3s70k3n'

        self.client = compute.ComputeRestClient(self.url, self.token)

    def tearDown(self):

        FR.json = vm_recv

    @patch('%s.set_param' % rest_pkg)

    @patch('%s.get' % rest_pkg, return_value=FR())

    def _test_get(self, service, params, get, set_param):

        method = getattr(self.client, '%s_get' % service)

        param_args = [({}, {k: k}, {k: v[1]}) for k, v in params.items()]

        num_of_its = 0

        for i, args in enumerate(product(

                ('', '%s_id' % service),

                (None, False, True),

                (200, 204),

                ({}, {'k': 'v'}),

                *param_args)):

            (srv_id, detail, success, kwargs) = args[:4]

            kwargs['success'] = success

            srv_kwargs = dict()

            for param in args[4:]:

                srv_kwargs.update(param)

            srv_kwargs.update(kwargs)

            method(*args[:2], **srv_kwargs)

            srv_str = '/detail' if detail else (

                '/%s' % srv_id) if srv_id else ''

            self.assertEqual(

                get.mock_calls[-1],

                call('/%s%s' % (service, srv_str), **kwargs))

            param_calls = []

            for k, v in params.items():

                real_v = srv_kwargs.get(k, v[1]) if not srv_id else v[1]

                param_calls.append(call(v[0], real_v, iff=real_v))

            actual = set_param.mock_calls[- len(param_calls):]

            self.assertEqual(sorted(actual), sorted(param_calls))

            num_of_its = print_iterations(num_of_its, i)

        print ('\b' * len('%s' % num_of_its)) + ('%s' % i)

    @patch('%s.set_param' % rest_pkg)

    @patch('%s.get' % rest_pkg, return_value=FR())

    def _test_srv_cmd_get(self, srv, cmd, params, get, set_param):

        method = getattr(self.client, '%s_%s_get' % (srv, cmd))

        param_args = [({}, {k: k}, {k: v[1]}) for k, v in params.items()]

        num_of_its = 0

        for i, args in enumerate(product(

                ('some_server_id', 'other_server_id'),

                (None, 'xtra_id'),

                ((304, 200), (1000)),

                ({}, {'k': 'v'}),

                *param_args)):

            srv_id, xtra_id, success, kwargs = args[:4]

            kwargs = dict(kwargs)

            kwargs['success'] = success

            srv_kwargs = dict()

            for param in args[4:]:

                srv_kwargs.update(param)

            srv_kwargs.update(kwargs)

            method(*args[:2], **srv_kwargs)

            srv_str = '/%s/%s/%s' % (srv, srv_id, cmd)

            srv_str += ('/%s' % xtra_id) if xtra_id else ''

            self.assertEqual(get.mock_calls[-1], call(srv_str, **kwargs))

            param_calls = []

            for k, v in params.items():

                real_v = srv_kwargs.get(k, v[1])

                param_calls.append(call(v[0], real_v, iff=real_v))

            actual = set_param.mock_calls[- len(param_calls):]

            self.assertEqual(sorted(actual), sorted(param_calls))

            num_of_its = print_iterations(num_of_its, i)

        print ('\b' * len('%s' % num_of_its)) + ('%s' % i)

    @patch('%s.set_header' % rest_pkg)

    @patch('%s.set_param' % rest_pkg)

    @patch('%s.post' % rest_pkg, return_value=FR())

    def _test_post(self, srv, cmd, params, post, set_param, set_header):

        method = getattr(

            self.client, '%s_%spost' % (srv, ('%s_' % cmd) if cmd else ''))

        param_args = [({}, {k: k}, {k: v[1]}) for k, v in params.items()]

        num_of_its = 0

        for i, args in enumerate(product(

                ('%s_id' % srv, 'some_value'),

                (

                    None,

                    {'some': {'data': 'in json'}},

                    ['k1', {'k2': 'v2', 'k3': 'v3'}, 'k4']),

                (202, 1453),

                ({}, {'k': 'v'}),

                *param_args)):

            srv_id, json_data, success, kwargs = args[:4]

            kwargs = dict(kwargs)

            cmd_args = (srv_id, ) if cmd else ()

            kwargs['success'] = success

            srv_kwargs = dict()

            for param in args[4:]:

                srv_kwargs.update(param)

            srv_kwargs.update(kwargs)

            srv_kwargs['json_data'] = json_data

            method(*cmd_args, **srv_kwargs)

            srv_str = '/%s%s' % (

                srv, (('/%s/%s' % (srv_id, cmd)) if cmd else ''))

            kwargs['data'] = json.dumps(json_data) if json_data else None

            self.assertEqual(post.mock_calls[-1], call(srv_str, **kwargs))

            param_calls = []

            for k, v in params.items():

                real_v = srv_kwargs.get(k, v[1])

                param_calls.append(call(v[0], real_v, iff=real_v))

            actual = set_param.mock_calls[- len(param_calls):]

            self.assertEqual(sorted(actual), sorted(param_calls))

            if json_data:

                self.assertEqual(set_header.mock_calls[-2:], [

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

                    call('Content-Length', len(kwargs['data']))])

            num_of_its = print_iterations(num_of_its, i)

        print ('\b' * len('%s' % num_of_its)) + ('%s' % i)

    @patch('%s.set_header' % rest_pkg)

    @patch('%s.set_param' % rest_pkg)

    @patch('%s.put' % rest_pkg, return_value=FR())

    def _test_put(self, srv, cmd, params, put, set_param, set_headers):

        method = getattr(self.client, '%s_%sput' % (

            srv, ('%s_' % cmd) if cmd else ''))

        param_args = [({}, {k: k}, {k: v[1]}) for k, v in params.items()]

        num_of_its = 0

        for i, args in enumerate(product(

                ('some_value', '%s_id' % srv),

                (None, [dict(json="data"), dict(data="json")]),

                (204, 504),

                ({}, {'k': 'v'}),

                *param_args)):

            srv_id, json_data, success, kwargs = args[:4]

            kwargs = dict(kwargs)

            kwargs['success'] = success

            srv_kwargs = dict()

            for param in args[4:]:

                srv_kwargs.update(param)

            srv_kwargs.update(kwargs)

            srv_kwargs['json_data'] = json_data

            method(srv_id, **srv_kwargs)

            srv_str = '/%s/%s%s' % (srv, srv_id, ('/%s' % cmd if cmd else ''))

            if json_data:

                json_data = dumps(json_data)

                self.assertEqual(set_headers.mock_calls[-2:], [

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

                    call('Content-Length', len(json_data))])

            self.assertEqual(

                put.mock_calls[-1],

                call(srv_str, data=json_data, **kwargs))

            param_calls = []

            for k, v in params.items():

                real_v = srv_kwargs.get(k, v[1])

                param_calls.append(call(v[0], real_v, iff=real_v))

            actual = set_param.mock_calls[- len(param_calls):]

            self.assertEqual(sorted(actual), sorted(param_calls))

            num_of_its = print_iterations(num_of_its, i)

        print ('\b' * len('%s' % num_of_its)) + ('%s' % i)

    @patch('%s.delete' % rest_pkg, return_value=FR())

    def _test_delete(self, srv, cmd, delete):

        method = getattr(

            self.client, '%s_%sdelete' % (srv, ('%s_' % cmd) if cmd else ''))

        cmd_params = ('some_cmd_value', 'some_other_value') if cmd else ()

        num_of_its = 0

        for i, args in enumerate(product(

                ('%s_id' % srv, 'some_value'),

                (204, 208),

                ({}, {'k': 'v'}),

                *cmd_params)):

            (srv_id, success, kwargs) = args[:3]

            kwargs = dict(kwargs)

            kwargs['success'] = success

            cmd_value = args[-1] if cmd else ''

            method_args = (srv_id, cmd_value) if cmd else (srv_id, )

            method(*method_args, **kwargs)

            srv_str = '/%s/%s' % (srv, srv_id)

            cmd_str = ('/%s/%s' % (cmd, cmd_value)) if cmd else ''

            self.assertEqual(

                delete.mock_calls[-1],

                call('%s%s' % (srv_str, cmd_str), **kwargs))

            num_of_its = print_iterations(num_of_its, i)

        print ('\b' * len('%s' % num_of_its)) + ('%s' % i)

    @patch('%s.get' % rest_pkg, return_value=FR())

    def test_limits_get(self, get):

        self.client.limits_get(success='some_val')

        get.assert_called_once_with('/limits', success='some_val')

    def test_servers_get(self):

        params = dict(

            changes_since=('changes-since', None),

            image=('image', None),

            flavor=('flavor', None),

            name=('name', None),

            marker=('marker', None),

            limit=('limit', None),

            status=('status', None),

            host=('host', None))

        self._test_get('servers', params)

    def test_servers_post(self):

        params = dict(

            security_group=('security_group', None),

            user_data=('user_data', None),

            availability_zone=('availability_zone', None))

        self._test_post('servers', None, params)

    def test_servers_put(self):

        self._test_put('servers', None, dict(server_name=('server', None)))

    def test_servers_delete(self):

        self._test_delete('servers', None)

    def test_servers_metadata_get(self):

        self._test_srv_cmd_get('servers', 'metadata', {})

    def test_servers_metadata_post(self):

        self._test_post('servers', 'metadata', {})

    def test_servers_metadata_put(self):

        self._test_put('servers', 'metadata', {})

    def test_images_metadata_delete(self):

        self._test_delete('images', 'metadata')

    def test_servers_action_post(self):

        self._test_post('servers', 'action', {})

    def test_servers_ips_get(self):

        params = dict(changes_since=('changes-since', None))

        self._test_srv_cmd_get('servers', 'ips', params)

    def test_images_get(self):

        param = dict(

            changes_since=('changes-since', None),

            server_name=('server', None),

            name=('name', None),

            status=('status', None),

            marker=('marker', None),

            limit=('limit', None),

            type=('type', None))

        self._test_get('images', param)

    def test_images_delete(self):

        self._test_delete('images', None)

    def test_images_metadata_get(self):

        self._test_srv_cmd_get('images', 'metadata', {})

    def test_images_metadata_post(self):

        self._test_post('images', 'metadata', {})

    def test_images_metadata_put(self):

        self._test_put('images', 'metadata', {})

    def test_servers_metadata_delete(self):

        self._test_delete('servers', 'metadata')

    def test_flavors_get(self):

        params = dict(

            changes_since=('changes-since', None),

            minDisk=('minDisk', None),

            minRam=('minRam', None),

            marker=('marker', None),

            limit=('limit', None))

        self._test_get('flavors', params)

    @patch('%s.get' % rest_pkg, return_value=FR())

    def test_floating_ip_pools_get(self, get):

        for args in product(

                (200, 204),

                ({}, {'k': 'v'})):

            success, kwargs = args

            r = self.client.floating_ip_pools_get(success, **kwargs)

            self.assertTrue(isinstance(r, FR))

            self.assertEqual(get.mock_calls[-1], call(

                '/os-floating-ip-pools', success=success, **kwargs))

    @patch('%s.get' % rest_pkg, return_value=FR())

    def test_floating_ips_get(self, get):

        for args in product(

                ('', '192.193.194.195'),

                (200, 204),

                ({}, {'k': 'v'})):

            ip, success, kwargs = args

            r = self.client.floating_ips_get(*args[:2], **kwargs)

            self.assertTrue(isinstance(r, FR))

            expected = '' if not ip else '/%s' % ip

            self.assertEqual(get.mock_calls[-1], call(

                '/os-floating-ips%s' % expected, success=success, **kwargs))

    @patch('%s.set_header' % rest_pkg)

    @patch('%s.post' % rest_pkg, return_value=FR())

    def test_floating_ips_post(self, post, SH):

        for args in product(

                (None, [dict(json="data"), dict(data="json")]),

                ('', '192.193.194.195'),

                (202, 204),

                ({}, {'k': 'v'})):

            json_data, ip, success, kwargs = args

            self.client.floating_ips_post(*args[:3], **kwargs)

            if json_data:

                json_data = dumps(json_data)

                self.assertEqual(SH.mock_calls[-2:], [

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

                    call('Content-Length', len(json_data))])

            expected = '' if not ip else '/%s' % ip

            self.assertEqual(post.mock_calls[-1], call(

                '/os-floating-ips%s' % expected,

                data=json_data, success=success,

                **kwargs))

    @patch('%s.delete' % rest_pkg, return_value=FR())

    def test_floating_ips_delete(self, delete):

        for args in product(

                ('', '192.193.194.195'),

                (204,),

                ({}, {'k': 'v'})):

            ip, success, kwargs = args

            r = self.client.floating_ips_delete(*args[:2], **kwargs)

            self.assertTrue(isinstance(r, FR))

            expected = '' if not ip else '/%s' % ip

            self.assertEqual(delete.mock_calls[-1], call(

                '/os-floating-ips%s' % expected, success=success, **kwargs))

class ComputeClient(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]))

    """Set up a Cyclades thorough test"""

    def setUp(self):

        self.url = 'http://cyclades.example.com'

        self.token = 'cyc14d3s70k3n'

        self.client = compute.ComputeClient(self.url, self.token)

    def tearDown(self):

        FR.status_code = 200

        FR.json = vm_recv

    def test_create_server(self):

        with patch.object(

                compute.ComputeClient, 'servers_post',

                side_effect=ClientError(

                    'REQUEST ENTITY TOO LARGE',

                    status=403)):

            self.assertRaises(

                ClientError,

                self.client.create_server,

                vm_name, fid, img_ref)

        for params in product(

                ('security_group', None),

                ('user_data', None),

                ('availability_zone', None),

                (None, {'os': 'debian', 'users': 'root'})):

            kwargs = dict()

            for i, k in enumerate((

                    'security_group', 'user_data', 'availability_zone')):

                if params[i]:

                    kwargs[k] = params[i]

            with patch.object(

                    compute.ComputeClient, 'servers_post',

                    return_value=FR()) as post:

                r = self.client.create_server(vm_name, fid, img_ref, **kwargs)

                self.assertEqual(r, FR.json['server'])

                exp_json = dict(server=dict(

                    flavorRef=fid, name=vm_name, imageRef=img_ref))

                for k in set([

                        'security_group',

                        'user_data',

                        'availability_zone']).difference(kwargs):

                    kwargs[k] = None

                self.assertEqual(

                    post.mock_calls[-1], call(json_data=exp_json, **kwargs))

                prsn = 'Personality string (does not work with real servers)'

                self.client.create_server(

                    vm_name, fid, img_ref, personality=prsn, **kwargs)

                exp_json['server']['personality'] = prsn

                self.assertEqual(

                    post.mock_calls[-1], call(json_data=exp_json, **kwargs))

                kwargs.pop('personality', None)

                exp_json['server'].pop('personality', None)

                mtdt = 'Metadata dict here'

                self.client.create_server(

                    vm_name, fid, img_ref, metadata=mtdt, **kwargs)

                exp_json['server']['metadata'] = mtdt

                self.assertEqual(

                    post.mock_calls[-1], call(json_data=exp_json, **kwargs))

    @patch('%s.servers_get' % compute_pkg, return_value=FR())

    def test_list_servers(self, SG):

        FR.json = vm_list

        for args in product(

                (False, True),

                ({}, dict(status='status')),

                ({}, dict(name='name')),

                ({}, dict(image='image')),

                ({}, dict(flavor='flavor')),

                ({}, dict(host='host')),

                ({}, dict(limit='limit')),

                ({}, dict(marker='marker')),

                ({}, dict(changes_since='changes_since'))):

            detail = args[0]

            kwargs = dict()

            for param in args[1:]:

                kwargs.update(param)

            r = self.client.list_servers(detail, **kwargs)

            for k in set([

                    'status', 'name',

                    'image', 'flavor',

                    'host', 'limit',

                    'marker', 'changes_since']).difference(kwargs):

                kwargs[k] = None

            self.assertEqual(SG.mock_calls[-1], call(detail=detail, **kwargs))

            for i, vm in enumerate(vm_list['servers']):

                self.assert_dicts_are_equal(r[i], vm)

            self.assertEqual(i + 1, len(r))

    @patch('%s.servers_get' % compute_pkg, return_value=FR())

    def test_get_server_details(self, SG):

        vm_id = vm_recv['server']['id']

        for args in product(

                ({}, dict(status='status')),

                ({}, dict(name='name')),

                ({}, dict(image='image')),

                ({}, dict(flavor='flavor')),

                ({}, dict(host='host')),

                ({}, dict(limit='limit')),

                ({}, dict(marker='marker')),

                ({}, dict(changes_since='changes_since'))):

            kwargs = dict()

            for param in args:

                kwargs.update(param)

            r = self.client.get_server_details(vm_id, **kwargs)

            for k in set([

                    'status', 'name',

                    'image', 'flavor',

                    'host', 'limit',

                    'marker', 'changes_since']).difference(kwargs):

                kwargs[k] = None

            self.assertEqual(SG.mock_calls[-1], call(vm_id, **kwargs))

            self.assert_dicts_are_equal(r, vm_recv['server'])

    @patch('%s.servers_put' % compute_pkg, return_value=FR())

    def test_update_server_name(self, SP):

        vm_id = vm_recv['server']['id']

        new_name = vm_name + '_new'

        self.client.update_server_name(vm_id, new_name)

        SP.assert_called_once_with(vm_id, json_data=dict(

            server=dict(name=new_name)))

    @patch('%s.servers_action_post' % compute_pkg, return_value=FR())

    def test_reboot_server(self, SP):

        vm_id = vm_recv['server']['id']

        for hard in (None, True):

            self.client.reboot_server(vm_id, hard=hard)

            self.assertEqual(SP.mock_calls[-1], call(vm_id, json_data=dict(

                reboot=dict(type='HARD' if hard else 'SOFT'))))

    @patch('%s.servers_action_post' % compute_pkg, return_value=FR())

    def test_resize_server(self, SP):

        vm_id, flavor = vm_recv['server']['id'], flavor_list['flavors'][1]

        self.client.resize_server(vm_id, flavor['id'])

        exp = dict(resize=dict(flavorRef=flavor['id']))

        SP.assert_called_once_with(vm_id, json_data=exp)

    @patch('%s.servers_metadata_put' % compute_pkg, return_value=FR())

    def test_create_server_metadata(self, SP):

        vm_id = vm_recv['server']['id']

        metadata = dict(m1='v1', m2='v2', m3='v3')

        FR.json = dict(meta=vm_recv['server'])

        for k, v in metadata.items():

            r = self.client.create_server_metadata(vm_id, k, v)

            self.assert_dicts_are_equal(r, vm_recv['server'])

            self.assertEqual(SP.mock_calls[-1], call(

                vm_id, '%s' % k,

                json_data=dict(meta={k: v}), success=201))

    @patch('%s.servers_metadata_get' % compute_pkg, return_value=FR())

    def test_get_server_metadata(self, SG):

        vm_id = vm_recv['server']['id']

        metadata = dict(m1='v1', m2='v2', m3='v3')

        FR.json = dict(metadata=metadata)

        r = self.client.get_server_metadata(vm_id)

        FR.json = dict(meta=metadata)

        SG.assert_called_once_with(vm_id, '')

        self.assert_dicts_are_equal(r, metadata)

        for k, v in metadata.items():

            FR.json = dict(meta={k: v})

            r = self.client.get_server_metadata(vm_id, k)

            self.assert_dicts_are_equal(r, {k: v})

            self.assertEqual(

                SG.mock_calls[-1], call(vm_id, '%s' % k))

    @patch('%s.servers_metadata_post' % compute_pkg, return_value=FR())

    def test_update_server_metadata(self, SP):

        vm_id = vm_recv['server']['id']

        metadata = dict(m1='v1', m2='v2', m3='v3')

        FR.json = dict(metadata=metadata)

        r = self.client.update_server_metadata(vm_id, **metadata)

        self.assert_dicts_are_equal(r, metadata)

        SP.assert_called_once_with(

            vm_id, json_data=dict(metadata=metadata), success=201)

    @patch('%s.servers_metadata_delete' % compute_pkg, return_value=FR())

    def test_delete_server_metadata(self, SD):

        vm_id = vm_recv['server']['id']

        key = 'metakey'

        self.client.delete_server_metadata(vm_id, key)

        SD.assert_called_once_with(vm_id, key)

    @patch('%s.flavors_get' % compute_pkg, return_value=FR())

    def test_list_flavors(self, FG):

        FR.json = flavor_list

        for detail in ('', 'detail'):

            r = self.client.list_flavors(detail=bool(detail))

            self.assertEqual(FG.mock_calls[-1], call(detail=bool(detail)))

            self.assertEqual(r, flavor_list['flavors'])

    @patch('%s.flavors_get' % compute_pkg, return_value=FR())

    def test_get_flavor_details(self, FG):

        FR.json = dict(flavor=flavor_list['flavors'][0])

        r = self.client.get_flavor_details(fid)

        FG.assert_called_once_with(fid)

        self.assert_dicts_are_equal(r, flavor_list['flavors'][0])

    @patch('%s.images_get' % compute_pkg, return_value=FR())

    def test_list_images(self, IG):

        FR.json = img_list

        for detail in ('', 'detail'):

            r = self.client.list_images(detail=detail)

            self.assertEqual(IG.mock_calls[-1], call(detail=bool(detail)))

            expected = img_list['images']

            for i in range(len(r)):

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

    @patch('%s.images_get' % compute_pkg, return_value=FR())

    def test_get_image_details(self, IG):

        FR.json = img_recv

        r = self.client.get_image_details(img_ref)

        IG.assert_called_once_with(img_ref)

        self.assert_dicts_are_equal(r, img_recv['image'])

    @patch('%s.images_metadata_get' % compute_pkg, return_value=FR())

    def test_get_image_metadata(self, IG):

        for key in ('', '50m3k3y'):

            FR.json = dict(meta=img_recv['image']) if (

                key) else dict(metadata=img_recv['image'])

            r = self.client.get_image_metadata(img_ref, key)