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

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from mock import patch, call

from unittest import TestCase

from kamaki.clients import ClientError

from kamaki.clients.cyclades import CycladesClient

compute_pkg = 'kamaki.clients.cyclades.CycladesClient'

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(values=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(values=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(values=[

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

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

flavor_list = dict(flavors=dict(values=[

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

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

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

img_list = dict(images=dict(values=[

    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 release(self):

        pass

class Cyclades(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 = CycladesClient(self.url, self.token)

        from kamaki.clients.connection.kamakicon import KamakiHTTPConnection

        self.C = KamakiHTTPConnection

    def tearDown(self):

        FR.status_code = 200

        FR.json = vm_recv

    @patch(

        '%s.get_image_details' % compute_pkg,

        return_value=img_recv['image'])

    def test_create_server(self, GID):

        with patch.object(

                CycladesClient, 'servers_post',

                side_effect=ClientError(

                    'REQUEST ENTITY TOO LARGE',

                    status=403)):

            self.assertRaises(

                ClientError,

                self.client.create_server,

                vm_name, fid, img_ref)

        with patch.object(

                CycladesClient, 'servers_post',

                return_value=FR()) as post:

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

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

            self.assertEqual(GID.mock_calls[-1], call(img_ref))

            self.assertEqual(post.mock_calls[-1], call(json_data=vm_send))

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

            self.client.create_server(vm_name, fid, img_ref, prsn)

            expected = dict(server=dict(vm_send['server']))

            expected['server']['personality'] = prsn

            self.assertEqual(post.mock_calls[-1], call(json_data=expected))

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

    def test_list_servers(self, SG):

        FR.json = vm_list

        for detail in (False, True):

            r = self.client.list_servers(detail)

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

                changes_since=None,

                command='detail' if detail else ''))

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

                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']

        r = self.client.get_server_details(vm_id)

        SG.assert_called_once_with(vm_id)

        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_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, 'action',

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

    @patch('%s.servers_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, 'meta/%s' % k,

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

    @patch('%s.servers_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=dict(values=metadata))

        r = self.client.get_server_metadata(vm_id)

        SG.assert_called_once_with(vm_id, '/meta')

        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, '/meta/%s' % k))

    @patch('%s.servers_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, 'meta',

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

    @patch('%s.servers_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, 'meta/' + key)

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

    def test_list_flavors(self, FG):

        FR.json = flavor_list

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

            r = self.client.list_flavors(detail=(cmd == 'detail'))

            self.assertEqual(FG.mock_calls[-1], call(command=cmd))

            self.assert_dicts_are_equal(dict(values=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'])

        r = self.client.get_flavor_details(fid)

        FG.assert_called_once_with(fid)

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

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

    def test_list_images(self, IG):

        FR.json = img_list

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

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

            self.assertEqual(IG.mock_calls[-1], call(command=cmd))

            expected = img_list['images']['values']

            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_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=dict(values=img_recv['image']))

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

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

                '%s' % img_ref,

                '/meta%s' % (('/%s' % key) if key else '')))

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

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

    def test_delete_server(self, SD):

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

        self.client.delete_server(vm_id)

        SD.assert_called_once_with(vm_id)

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

    def test_delete_image(self, ID):

        self.client.delete_image(img_ref)

        ID.assert_called_once_with(img_ref)

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

    def test_create_image_metadata(self, IP):

        (key, val) = ('k1', 'v1')

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

        r = self.client.create_image_metadata(img_ref, key, val)

        IP.assert_called_once_with(

            img_ref, 'meta/%s' % key,

            json_data=dict(meta={key: val}))

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

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

    def test_update_image_metadata(self, IP):

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

        FR.json = dict(metadata=metadata)

        r = self.client.update_image_metadata(img_ref, **metadata)

        IP.assert_called_once_with(

            img_ref, 'meta',

            json_data=dict(metadata=metadata))

        self.assert_dicts_are_equal(r, metadata)

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

    def test_delete_image_metadata(self, ID):

        key = 'metakey'

        self.client.delete_image_metadata(img_ref, key)

        ID.assert_called_once_with(img_ref, '/meta/%s' % key)

if __name__ == '__main__':

    from sys import argv

    from kamaki.clients.test import runTestCase

    runTestCase(Cyclades, 'Cyclades (multi) Client', argv[1:])