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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 itertools import product

from kamaki.clients import ClientError

from kamaki.clients.cyclades import CycladesClient, CycladesClientApi

img_ref = "1m4g3-r3f3r3nc3"

vm_name = "my new VM"

fid = 42

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"))))

vm_list = dict(servers=dict(values=[

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

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

net_send = dict(network=dict(dhcp=False, name='someNet'))

net_recv = dict(network=dict(

    status="PENDING",

    updated="2013-03-05T15:04:51.758780+00:00",

    name="someNet",

    created="2013-03-05T15:04:51.758728+00:00",

    cidr6=None,

    id="2130",

    gateway6=None,

    public=False,

    dhcp=False,

    cidr="192.168.1.0/24",

    type="MAC_FILTERED",

    gateway=None,

    attachments=dict(values=[dict(name='att1'), dict(name='att2')])))

net_list = dict(networks=dict(values=[

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

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

    dict(id=3, name='n3')]))

firewalls = dict(attachments=dict(values=[

    dict(firewallProfile='50m3_pr0f1L3', otherStuff='57uff')]))

class FR(object):

    """FR stands for Fake Response"""

    json = vm_recv

    headers = {}

    content = json

    status = None

    status_code = 200

    def release(self):

        pass

rest_pkg = 'kamaki.clients.cyclades.CycladesClientApi'

cyclades_pkg = 'kamaki.clients.cyclades.CycladesClient'

class CycladesRestApi(TestCase):

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

    def setUp(self):

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

        self.token = 'cyc14d3s70k3n'

        self.client = CycladesClientApi(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, get, SP):

        for args in product(

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

                ('', 'cmd'),

                (200, 204),

                (None, '50m3-d473'),

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

            (srv_id, command, success, changes_since, kwargs) = args

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

            method(*args[:4], **kwargs)

            srv_str = '/%s' % srv_id if srv_id else ''

            cmd_str = '/%s' % command if command else ''

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

                '/%s%s%s' % (service, srv_str, cmd_str),

                success=success,

                **kwargs))

            if changes_since:

                self.assertEqual(

                    SP.mock_calls[-1],

                    call('changes-since', changes_since, changes_since))

    def test_servers_get(self):

        self._test_get('servers')

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)

    def tearDown(self):

        FR.status_code = 200

        FR.json = vm_recv

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

    def test_list_servers(self, SG):

        FR.json = vm_list

        for detail, since in ((0, 0), (True, 0), (0, 'd473'), (True, 'd473')):

            r = self.client.list_servers(detail=detail, changes_since=since)

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

                command='detail' if detail else '',

                changes_since=since))

            expected = vm_list['servers']['values']

            for i, vm in enumerate(r):

                self.assert_dicts_are_equal(vm, expected[i])

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

    @patch('%s.servers_post' % cyclades_pkg, return_value=FR())

    def test_shutdown_server(self, SP):

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

        self.client.shutdown_server(vm_id)

        SP.assert_called_once_with(

            vm_id, 'action',

            json_data=dict(shutdown=dict()), success=202)

    @patch('%s.servers_post' % cyclades_pkg, return_value=FR())

    def test_start_server(self, SP):

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

        self.client.start_server(vm_id)

        SP.assert_called_once_with(

            vm_id, 'action',

            json_data=dict(start=dict()), success=202)

    @patch('%s.servers_post' % cyclades_pkg, return_value=FR())

    def test_get_server_console(self, SP):

        cnsl = dict(console=dict(info1='i1', info2='i2', info3='i3'))

        FR.json = cnsl

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

        r = self.client.get_server_console(vm_id)

        SP.assert_called_once_with(

            vm_id, 'action',

            json_data=dict(console=dict(type='vnc')), success=200)

        self.assert_dicts_are_equal(r, cnsl['console'])

    def test_get_firewall_profile(self):

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

        v = firewalls['attachments']['values'][0]['firewallProfile']

        with patch.object(

                CycladesClient, 'get_server_details',

                return_value=firewalls) as GSD:

            r = self.client.get_firewall_profile(vm_id)

            GSD.assert_called_once_with(vm_id)

            self.assertEqual(r, v)

        with patch.object(

                CycladesClient, 'get_server_details',

                return_value=dict()):

            self.assertRaises(

                ClientError,

                self.client.get_firewall_profile,

                vm_id)

    @patch('%s.servers_post' % cyclades_pkg, return_value=FR())

    def test_set_firewall_profile(self, SP):

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

        v = firewalls['attachments']['values'][0]['firewallProfile']

        self.client.set_firewall_profile(vm_id, v)

        SP.assert_called_once_with(

            vm_id, 'action',

            json_data=dict(firewallProfile=dict(profile=v)), success=202)

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

    def test_get_server_stats(self, SG):

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

        stats = dict(stat1='v1', stat2='v2', stat3='v3', stat4='v4')

        FR.json = dict(stats=stats)

        r = self.client.get_server_stats(vm_id)

        SG.assert_called_once_with(vm_id, 'stats')

        self.assert_dicts_are_equal(stats, r)

    @patch('%s.networks_post' % cyclades_pkg, return_value=FR())

    def test_create_network(self, NP):

        net_name = net_send['network']['name']

        FR.json = net_recv

        full_args = dict(

                cidr='192.168.0.0/24',

                gateway='192.168.0.1',

                type='MAC_FILTERED',

                dhcp=True)

        test_args = dict(full_args)

        test_args.update(dict(empty=None, full=None))

        net_exp = dict(dhcp=False, name=net_name)

        for arg, val in test_args.items():

            kwargs = {} if arg == 'empty' else full_args if (

                arg == 'full') else {arg: val}

            expected = dict(network=dict(net_exp))

            expected['network'].update(kwargs)

            r = self.client.create_network(net_name, **kwargs)

            self.assertEqual(

                NP.mock_calls[-1],

                call(json_data=expected, success=202))

            self.assert_dicts_are_equal(r, net_recv['network'])

    @patch('%s.networks_post' % cyclades_pkg, return_value=FR())

    def test_connect_server(self, NP):

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

        net_id = net_recv['network']['id']

        self.client.connect_server(vm_id, net_id)

        NP.assert_called_once_with(

            net_id, 'action',

            json_data=dict(add=dict(serverRef=vm_id)))

    @patch('%s.networks_post' % cyclades_pkg, return_value=FR())

    def test_disconnect_server(self, NP):

        net_id, vm_id = net_recv['network']['id'], vm_recv['server']['id']

        nic_id = 'nic-%s-%s' % (net_id, vm_id)

        vm_nics = [

            dict(id=nic_id, network_id=net_id),

            dict(id='another-nic-id', network_id='another-net-id'),

            dict(id=nic_id * 2, network_id=net_id * 2)]

        with patch.object(

                CycladesClient,

                'list_server_nics',

                return_value=vm_nics) as LSN:

            r = self.client.disconnect_server(vm_id, nic_id)

            LSN.assert_called_once_with(vm_id)

            NP.assert_called_once_with(

                net_id, 'action',

                json_data=dict(remove=dict(attachment=nic_id)))

            self.assertEqual(r, 1)

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

    def test_list_server_nics(self, SG):

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

        nics = dict(addresses=dict(values=[dict(id='nic1'), dict(id='nic2')]))

        FR.json = nics

        r = self.client.list_server_nics(vm_id)

        SG.assert_called_once_with(vm_id, 'ips')

        expected = nics['addresses']['values']

        for i in range(len(r)):

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

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

    @patch('%s.networks_get' % cyclades_pkg, return_value=FR())

    def test_list_networks(self, NG):

        FR.json = net_list

        expected = net_list['networks']['values']

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

            r = self.client.list_networks(detail=True if detail else False)

            self.assertEqual(NG.mock_calls[-1], call(command=detail))

            for i, net in enumerate(expected):

                self.assert_dicts_are_equal(r[i], net)

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

    @patch('%s.networks_get' % cyclades_pkg, return_value=FR())

    def test_list_network_nics(self, NG):

        net_id = net_recv['network']['id']

        FR.json = net_recv

        r = self.client.list_network_nics(net_id)

        NG.assert_called_once_with(network_id=net_id)

        expected = net_recv['network']['attachments']['values']

        for i in range(len(r)):

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

    @patch('%s.networks_post' % cyclades_pkg, return_value=FR())

    def test_disconnect_network_nics(self, NP):

        net_id = net_recv['network']['id']

        nics = ['nic1', 'nic2', 'nic3']

        with patch.object(

                CycladesClient,

                'list_network_nics',

                return_value=nics) as LNN:

            self.client.disconnect_network_nics(net_id)

            LNN.assert_called_once_with(net_id)

            for i in range(len(nics)):

                expected = call(net_id, 'action', json_data=dict(

                    remove=dict(attachment=nics[i])))

                self.assertEqual(expected, NP.mock_calls[i])

    @patch('%s.networks_get' % cyclades_pkg, return_value=FR())

    def test_get_network_details(self, NG):

        FR.json = net_recv

        net_id = net_recv['network']['id']

        r = self.client.get_network_details(net_id)

        NG.assert_called_once_with(network_id=net_id)

        self.assert_dicts_are_equal(r, net_recv['network'])

    @patch('%s.networks_put' % cyclades_pkg, return_value=FR())

    def test_update_network_name(self, NP):

        net_id = net_recv['network']['id']

        new_name = '%s_new' % net_id

        self.client.update_network_name(net_id, new_name)

        NP.assert_called_once_with(

            network_id=net_id,

            json_data=dict(network=dict(name=new_name)))

    def test_delete_network(self):

        net_id = net_recv['network']['id']

        with patch.object(

                CycladesClient, 'networks_delete',

                return_value=FR()) as ND:

            self.client.delete_network(net_id)

            ND.assert_called_once_with(net_id)

        with patch.object(

                CycladesClient, 'networks_delete',

                side_effect=ClientError('A 421 Error', 421)):

            try:

                self.client.delete_network(421)

            except ClientError as err:

                self.assertEqual(err.status, 421)

                self.assertEqual(err.details, [

                    'Network may be still connected to at least one server'])

if __name__ == '__main__':

    from sys import argv

    from kamaki.clients.test import runTestCase

    not_found = True

    if not argv[1:] or argv[1] == 'Cyclades':

        not_found = False

        runTestCase(Cyclades, 'Cyclades Client', argv[2:])

    if not argv[1:] or argv[1] == 'CycladesRestApi':

        not_found = False

        runTestCase(CycladesRestApi, 'CycladesRestApi Client', argv[2:])

    if not_found:

        print('TestCase %s not found' % argv[1])