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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 json import dumps

from kamaki.clients import ClientError, cyclades

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

vm_list = dict(servers=[

    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(name='att1'), dict(name='att2')]))

net_list = dict(networks=[

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

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

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

firewalls = dict(attachments=[

    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

rest_pkg = 'kamaki.clients.cyclades.CycladesRestClient'

cyclades_pkg = 'kamaki.clients.cyclades.CycladesClient'

class CycladesRestClient(TestCase):

    def setUp(self):

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

        self.token = 'cyc14d3s70k3n'

        self.client = cyclades.CycladesRestClient(self.url, self.token)

    @patch('kamaki.clients.Client.get', return_value='ret')

    def test_servers_stats_get(self, get):

        server_id = 'server id'

        self.assertEqual(self.client.servers_stats_get(server_id), 'ret')

        get.assert_called_once_with(

            '/servers/%s/stats' % server_id, success=200)

class CycladesNetworkClient(TestCase):

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

    def setUp(self):

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

        self.token = 'n2tw0rk70k3n'

        self.client = cyclades.CycladesNetworkClient(self.url, self.token)

    def tearDown(self):

        FR.json = vm_recv

        del self.client

    @patch('kamaki.clients.Client.get', return_value=FR)

    def test_list_networks(self, get):

        FR.json = dict(networks='ret val')

        for detail in (True, None):

            self.assertEqual(self.client.list_networks(detail), 'ret val')

            path = '/networks/detail' if detail else '/networks'

            self.assertEqual(get.mock_calls[-1], call(path, success=200))

    @patch(

        'kamaki.clients.network.rest_api.NetworkRestClient.networks_post',

        return_value=FR())

    def test_create_network(self, networks_post):

        for name, shared in product((None, 'net name'), (None, True)):

            FR.json = dict(network='ret val')

            type = 'net type'

            self.assertEqual(

                self.client.create_network(type, name=name, shared=shared),

                'ret val')

            req = dict(type=type, admin_state_up=True)

            if name:

                req['name'] = name

            if shared:

                req['shared'] = shared

            expargs = dict(json_data=dict(network=req), success=201)

            self.assertEqual(networks_post.mock_calls[-1], call(**expargs))

    @patch(

        'kamaki.clients.network.rest_api.NetworkRestClient.ports_post',

        return_value=FR)

    def test_create_port(self, ports_post):

        network_id, device_id, FR.json = 'netid', 'devid', dict(port='ret v')

        for name, sec_grp, fixed_ips in product(

                ('port name', None),

                ([1, 2, 3], None),

                (

                    [dict(subnet_id='sid', ip_address='ipa')],

                    [dict(subnet_id='sid')], [dict(ip_address='ipa')],

                    None)):

            if fixed_ips:

                diff = set(['ip_address', ]).difference(fixed_ips[0])

                if diff:

                    self.assertRaises(

                        ValueError, self.client.create_port,

                        network_id, device_id,

                        name=name,

                        security_groups=sec_grp,

                        fixed_ips=fixed_ips)

                    continue

            self.assertEqual(

                self.client.create_port(

                    network_id, device_id,

                    name=name, security_groups=sec_grp, fixed_ips=fixed_ips),

                'ret v')

            req = dict(network_id=network_id, device_id=device_id)

            if sec_grp:

                req['security_groups'] = sec_grp

            if name:

                req['name'] = name

            if fixed_ips:

                req['fixed_ips'] = fixed_ips

            expargs = dict(json_data=dict(port=req), success=201)

            self.assertEqual(ports_post.mock_calls[-1], call(**expargs))

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

    def tearDown(self):

        FR.status_code = 200

        FR.json = vm_recv

    @patch('%s.servers_action_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, json_data=dict(shutdown=dict()), success=202)

    @patch('%s.servers_action_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, json_data=dict(start=dict()), success=202)

    @patch('%s.servers_action_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, json_data=dict(console=dict(type='vnc')), success=200)

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

if __name__ == '__main__':

    from sys import argv

    from kamaki.clients.test import runTestCase

    not_found = True

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

        not_found = False

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

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

        not_found = False

        runTestCase(CycladesNetworkClient, 'CycladesNetwork Client', argv[2:])

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

        not_found = False

        runTestCase(CycladesRestClient, 'CycladesRest Client', argv[2:])

    if not_found:

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