# Copyright 2012 NEC Corporation
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import collections

from django.urls import reverse
from django.utils.html import escape
from django.utils.http import urlunquote
import mock
import six

from horizon.workflows import views

from openstack_dashboard import api
from openstack_dashboard.dashboards.project.networks import tables\
    as networks_tables
from openstack_dashboard.dashboards.project.networks import workflows
from openstack_dashboard.test import helpers as test
from openstack_dashboard.usage import quotas


INDEX_TEMPLATE = 'horizon/common/_data_table_view.html'
INDEX_URL = reverse('horizon:project:networks:index')


def form_data_subnet(subnet,
                     name=None, cidr=None, ip_version=None,
                     gateway_ip='', enable_dhcp=None,
                     allocation_pools=None,
                     dns_nameservers=None,
                     host_routes=None,
                     no_gateway=None):
    def get_value(value, default):
        return default if value is None else value

    data = {}
    data['subnet_name'] = get_value(name, subnet.name)
    data['cidr'] = get_value(cidr, subnet.cidr)
    data['ip_version'] = get_value(ip_version, subnet.ip_version)

    gateway_ip = subnet.gateway_ip if gateway_ip == '' else gateway_ip
    data['gateway_ip'] = gateway_ip or ''
    data['no_gateway'] = no_gateway or (gateway_ip is None)

    data['enable_dhcp'] = get_value(enable_dhcp, subnet.enable_dhcp)
    if data['ip_version'] == 6:
        data['ipv6_modes'] = subnet.ipv6_modes

    pools = get_value(allocation_pools, subnet.allocation_pools)
    data['allocation_pools'] = _str_allocation_pools(pools)
    nameservers = get_value(dns_nameservers, subnet.dns_nameservers)
    data['dns_nameservers'] = _str_dns_nameservers(nameservers)
    routes = get_value(host_routes, subnet.host_routes)
    data['host_routes'] = _str_host_routes(routes)

    return data


def form_data_no_subnet():
    return {'subnet_name': '',
            'cidr': '',
            'ip_version': 4,
            'gateway_ip': '',
            'no_gateway': False,
            'enable_dhcp': True,
            'allocation_pools': '',
            'dns_nameservers': '',
            'host_routes': ''}


def _str_allocation_pools(allocation_pools):
    if isinstance(allocation_pools, str):
        return allocation_pools
    return '\n'.join(['%s,%s' % (pool['start'], pool['end'])
                      for pool in allocation_pools])


def _str_dns_nameservers(dns_nameservers):
    if isinstance(dns_nameservers, str):
        return dns_nameservers
    return '\n'.join(dns_nameservers)


def _str_host_routes(host_routes):
    if isinstance(host_routes, str):
        return host_routes
    return '\n'.join(['%s,%s' % (route['destination'], route['nexthop'])
                      for route in host_routes])


class NetworkStubMixin(object):
    def _stub_net_list(self):
        all_networks = self.networks.list()
        self.mock_network_list.side_effect = [
            [network for network in all_networks
             if network['tenant_id'] == self.tenant.id],
            [network for network in all_networks
             if network.get('shared')],
            [network for network in all_networks
             if network.get('router:external')],
        ]

    def _check_net_list(self):
        self.mock_network_list.assert_has_calls([
            mock.call(test.IsHttpRequest(), tenant_id=self.tenant.id,
                      shared=False),
            mock.call(test.IsHttpRequest(), shared=True),
            mock.call(test.IsHttpRequest(), **{'router:external': True}),
        ])

    def _stub_is_extension_supported(self, features):
        self._features = features
        self._feature_call_counts = collections.defaultdict(int)

        def fake_extension_supported(request, alias):
            self._feature_call_counts[alias] += 1
            return self._features[alias]

        self.mock_is_extension_supported.side_effect = fake_extension_supported

    def _check_is_extension_supported(self, expected_count):
        self.assertEqual(expected_count, self._feature_call_counts)


class NetworkTests(test.TestCase, NetworkStubMixin):

    @test.create_mocks({api.neutron: ('network_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def test_index(self):
        quota_data = self.neutron_quota_usages.first()
        quota_data['network']['available'] = 5
        quota_data['subnet']['available'] = 5
        self._stub_net_list()
        self.mock_tenant_quota_usages.return_value = quota_data
        self.mock_is_extension_supported.return_value = True

        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, INDEX_TEMPLATE)
        networks = res.context['networks_table'].data
        self.assertItemsEqual(networks, self.networks.list())

        self.mock_tenant_quota_usages.assert_has_calls([
            mock.call(test.IsHttpRequest(), targets=('network', )),
            mock.call(test.IsHttpRequest(), targets=('subnet', )),
        ])
        self.assertEqual(7, self.mock_tenant_quota_usages.call_count)
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')
        self._check_net_list()

    @test.create_mocks({api.neutron: ('network_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def test_index_network_list_exception(self):
        quota_data = self.neutron_quota_usages.first()
        self.mock_network_list.side_effect = self.exceptions.neutron
        self.mock_tenant_quota_usages.return_value = quota_data
        self.mock_is_extension_supported.return_value = True

        res = self.client.get(INDEX_URL)

        self.assertTemplateUsed(res, INDEX_TEMPLATE)
        self.assertEqual(len(res.context['networks_table'].data), 0)
        self.assertMessageCount(res, error=1)

        self.mock_network_list.assert_called_once_with(
            test.IsHttpRequest(), tenant_id=self.tenant.id,
            shared=False)
        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_tenant_quota_usages, 2,
            mock.call(test.IsHttpRequest(), targets=('network', )))
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')

    def test_network_detail_subnets_tab(self):
        self._test_network_detail_subnets_tab()

    def test_network_detail_subnets_tab_with_mac_learning(self):
        self._test_network_detail_subnets_tab(mac_learning=True)

    @test.create_mocks({api.neutron: ('network_get',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def test_network_detail(self, mac_learning=False):
        network_id = self.networks.first().id
        quota_data = self.neutron_quota_usages.first()
        self.mock_network_get.return_value = self.networks.first()
        self.mock_tenant_quota_usages.return_value = quota_data
        self._stub_is_extension_supported({'mac-learning': mac_learning,
                                           'network_availability_zone': True})

        url = urlunquote(reverse('horizon:project:networks:detail',
                                 args=[network_id]))

        res = self.client.get(url)
        network = res.context['network']
        self.assertEqual(self.networks.first().name_or_id, network.name_or_id)
        self.assertEqual(self.networks.first().status_label,
                         network.status_label)
        self.assertTemplateUsed(res, 'horizon/common/_detail.html')

        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_network_get, 2,
            mock.call(test.IsHttpRequest(), network_id))
        self.mock_tenant_quota_usages.assert_called_once_with(
            test.IsHttpRequest(), targets=('subnet', ))
        self._check_is_extension_supported({'mac-learning': 1,
                                            'network_availability_zone': 1})

    @test.create_mocks({api.neutron: ('network_get',
                                      'subnet_list',
                                      'port_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_network_detail_subnets_tab(
            self, mac_learning=False):
        quota_data = self.neutron_quota_usages.first()
        network_id = self.networks.first().id

        self.mock_network_get.return_value = self.networks.first()
        self.mock_subnet_list.return_value = [self.subnets.first()]
        self.mock_tenant_quota_usages.return_value = quota_data
        self._stub_is_extension_supported({'mac-learning': mac_learning,
                                           'network_availability_zone': True})

        url = urlunquote(reverse('horizon:project:networks:subnets_tab',
                         args=[network_id]))
        res = self.client.get(url)

        self.assertTemplateUsed(res, 'horizon/common/_detail.html')
        subnets = res.context['subnets_table'].data
        self.assertItemsEqual(subnets, [self.subnets.first()])

        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network_id)
        self.mock_subnet_list.assert_called_once_with(
            test.IsHttpRequest(), network_id=network_id)
        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_tenant_quota_usages, 3,
            mock.call(test.IsHttpRequest(), targets=('subnet', )))
        self._check_is_extension_supported({'mac-learning': 1,
                                            'network_availability_zone': 1})

    def test_network_detail_network_exception(self):
        self._test_network_detail_network_exception()

    def test_network_detail_network_exception_with_mac_learning(self):
        self._test_network_detail_network_exception(mac_learning=True)

    @test.create_mocks({api.neutron: ('network_get',
                                      'subnet_list',
                                      'port_list',
                                      'is_extension_supported')})
    def _test_network_detail_network_exception(
            self, mac_learning=False):
        network_id = self.networks.first().id
        self.mock_network_get.side_effect = self.exceptions.neutron
        self.mock_is_extension_supported.return_value = mac_learning

        url = reverse('horizon:project:networks:detail', args=[network_id])
        res = self.client.get(url)

        redir_url = INDEX_URL
        self.assertRedirectsNoFollow(res, redir_url)

        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_network_get, 2,
            mock.call(test.IsHttpRequest(), network_id))
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'mac-learning')

    def test_subnets_tab_subnet_exception(self):
        self._test_subnets_tab_subnet_exception()

    def test_network_detail_subnet_exception_with_mac_learning(self):
        self._test_subnets_tab_subnet_exception(mac_learning=True)

    @test.create_mocks({api.neutron: ('network_get',
                                      'subnet_list',
                                      'port_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_subnets_tab_subnet_exception(
            self, mac_learning=False):
        network_id = self.networks.first().id
        quota_data = self.neutron_quota_usages.first()
        quota_data['network']['available'] = 5
        quota_data['subnet']['available'] = 5

        self.mock_network_get.return_value = self.networks.first()
        self.mock_subnet_list.side_effect = self.exceptions.neutron
        self.mock_tenant_quota_usages.return_value = quota_data
        self._stub_is_extension_supported({'mac-learning': mac_learning,
                                           'network_availability_zone': True})

        url = urlunquote(reverse('horizon:project:networks:subnets_tab',
                                 args=[network_id]))
        res = self.client.get(url)

        self.assertTemplateUsed(res, 'horizon/common/_detail.html')
        subnets = res.context['subnets_table'].data
        self.assertEqual(len(subnets), 0)

        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network_id)
        self.mock_subnet_list.assert_called_once_with(
            test.IsHttpRequest(), network_id=network_id)
        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_tenant_quota_usages, 3,
            mock.call(test.IsHttpRequest(), targets=('subnet', )))
        self._check_is_extension_supported({'mac-learning': 1,
                                            'network_availability_zone': 1})

    def test_subnets_tab_port_exception(self):
        self._test_subnets_tab_port_exception()

    def test_network_detail_port_exception_with_mac_learning(self):
        self._test_subnets_tab_port_exception(mac_learning=True)

    @test.create_mocks({api.neutron: ('network_get',
                                      'subnet_list',
                                      'port_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_subnets_tab_port_exception(
            self, mac_learning=False):
        network_id = self.networks.first().id
        quota_data = self.neutron_quota_usages.first()
        quota_data['subnet']['available'] = 5

        self.mock_network_get.return_value = self.networks.first()
        self.mock_subnet_list.return_value = [self.subnets.first()]
        self.mock_tenant_quota_usages.return_value = quota_data
        self._stub_is_extension_supported({'mac-learning': mac_learning,
                                           'network_availability_zone': True})

        url = urlunquote(reverse('horizon:project:networks:subnets_tab',
                                 args=[network_id]))
        res = self.client.get(url)
        self.assertTemplateUsed(res, 'horizon/common/_detail.html')
        subnets = res.context['subnets_table'].data
        self.assertItemsEqual(subnets, [self.subnets.first()])

        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network_id)
        self.mock_subnet_list.assert_called_once_with(
            test.IsHttpRequest(), network_id=network_id)
        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_tenant_quota_usages, 3,
            mock.call(test.IsHttpRequest(), targets=('subnet', )))
        self._check_is_extension_supported({'mac-learning': 1,
                                            'network_availability_zone': 1})

    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_get(self):
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()

        url = reverse('horizon:project:networks:create')
        res = self.client.get(url)

        workflow = res.context['workflow']
        self.assertTemplateUsed(res, views.WorkflowView.template_name)
        self.assertEqual(workflow.name, workflows.CreateNetwork.name)
        expected_objs = ['<CreateNetworkInfo: createnetworkinfoaction>',
                         '<CreateSubnetInfo: createsubnetinfoaction>',
                         '<CreateSubnetDetail: createsubnetdetailaction>']
        self.assertQuerysetEqual(workflow.steps, expected_objs)
        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    @test.create_mocks({api.neutron: ('network_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post(self):
        network = self.networks.first()
        params = {'name': network.name,
                  'admin_state_up': network.admin_state_up,
                  'shared': False}
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': False}
        form_data.update(form_data_no_subnet())
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})

    @test.create_mocks({api.neutron: ('network_create',
                                      'is_extension_supported',
                                      'list_availability_zones',
                                      'subnetpool_list')})
    def test_network_create_post_with_az(self):
        network = self.networks.first()
        params = {'name': network.name,
                  'admin_state_up': network.admin_state_up,
                  'shared': False,
                  'availability_zone_hints': ['nova']}

        self._stub_is_extension_supported({'network_availability_zone': True,
                                           'subnet_allocation': True})
        self.mock_list_availability_zones.return_value = \
            self.neutron_availability_zones.list()
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': False,
                     'az_hints': ['nova']}
        form_data.update(form_data_no_subnet())
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_list_availability_zones.assert_called_once_with(
            test.IsHttpRequest(), 'network', 'available')
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})

    @test.create_mocks({api.neutron: ('network_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_shared(self):
        network = self.networks.first()
        params = {'name': network.name,
                  'admin_state_up': network.admin_state_up,
                  'shared': True}
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': True,
                     'with_subnet': False}
        form_data.update(form_data_no_subnet())
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})

    @test.create_mocks({api.neutron: ('network_create',
                                      'subnet_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet(self, test_with_ipv6=True):
        network = self.networks.first()
        subnet = self.subnets.first()
        params = {'name': network.name,
                  'admin_state_up': network.admin_state_up,
                  'shared': False}
        subnet_params = {'network_id': network.id,
                         'name': subnet.name,
                         'cidr': subnet.cidr,
                         'ip_version': subnet.ip_version,
                         'gateway_ip': subnet.gateway_ip,
                         'enable_dhcp': subnet.enable_dhcp}
        if not test_with_ipv6:
            subnet.ip_version = 4
            subnet_params['ip_version'] = subnet.ip_version

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network
        self.mock_subnet_create.return_value = subnet

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': True}
        form_data.update(form_data_subnet(subnet, allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self.mock_subnet_create.assert_called_once_with(
            test.IsHttpRequest(), **subnet_params)
        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})

    @test.update_settings(OPENSTACK_NEUTRON_NETWORK={'enable_ipv6': False})
    def test_create_network_with_ipv6_disabled(self):
        self.test_network_create_post_with_subnet(test_with_ipv6=False)

    @test.create_mocks({api.neutron: ('network_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_network_exception(self):
        network = self.networks.first()
        params = {'name': network.name,
                  'shared': False,
                  'admin_state_up': network.admin_state_up}
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.side_effect = self.exceptions.neutron

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': False}
        form_data.update(form_data_no_subnet())
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)

    @test.create_mocks({api.neutron: ('network_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_network_exception(self):
        network = self.networks.first()
        subnet = self.subnets.first()
        params = {'name': network.name,
                  'shared': False,
                  'admin_state_up': network.admin_state_up}
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.side_effect = self.exceptions.neutron

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': True}
        form_data.update(form_data_subnet(subnet, allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)

    @test.create_mocks({api.neutron: ('network_create',
                                      'network_delete',
                                      'subnet_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_subnet_exception(self):
        network = self.networks.first()
        subnet = self.subnets.first()
        params = {'name': network.name,
                  'shared': False,
                  'admin_state_up': network.admin_state_up}
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network
        self.mock_subnet_create.side_effect = self.exceptions.neutron
        self.mock_network_delete.return_value = None

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': True}
        form_data.update(form_data_subnet(subnet, allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self.mock_subnet_create.assert_called_once_with(
            test.IsHttpRequest(),
            network_id=network.id,
            name=subnet.name,
            cidr=subnet.cidr,
            ip_version=subnet.ip_version,
            gateway_ip=subnet.gateway_ip,
            enable_dhcp=subnet.enable_dhcp)
        self.mock_network_delete.assert_called_once_with(
            test.IsHttpRequest(), network.id)

    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_nocidr(self,
                                                    test_with_snpool=False):
        network = self.networks.first()
        subnet = self.subnets.first()
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.side_effect = self.exceptions.neutron

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': True}
        if test_with_snpool:
            form_data['subnetpool_id'] = ''
            form_data['prefixlen'] = ''
        form_data.update(form_data_subnet(subnet, cidr='',
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertContains(res, escape('Specify "Network Address" or '
                                        'clear "Create Subnet" checkbox'
                                        ' in previous step.'))

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    def test_network_create_post_with_subnet_nocidr_nosubnetpool(self):
        self.test_network_create_post_with_subnet_nocidr(
            test_with_snpool=True)

    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_cidr_without_mask(
            self, test_with_subnetpool=False):
        network = self.networks.first()
        subnet = self.subnets.first()

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()

        form_data = {'net_name': network.name,
                     'shared': False,
                     'admin_state': network.admin_state_up,
                     'with_subnet': True}
        if test_with_subnetpool:
            subnetpool = self.subnetpools.first()
            form_data['subnetpool'] = subnetpool.id
            form_data['prefixlen'] = subnetpool.default_prefixlen
        form_data.update(form_data_subnet(subnet, cidr='10.0.0.0',
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        expected_msg = "The subnet in the Network Address is too small (/32)."
        self.assertContains(res, expected_msg)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    def test_network_create_post_with_subnet_cidr_without_mask_w_snpool(self):
        self.test_network_create_post_with_subnet_cidr_without_mask(
            test_with_subnetpool=True)

    @test.update_settings(
        ALLOWED_PRIVATE_SUBNET_CIDR={'ipv4': ['192.168.0.0/16']})
    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_cidr_invalid_v4_range(
            self, test_with_subnetpool=False):
        network = self.networks.first()
        subnet = self.subnets.first()

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()

        form_data = {'net_name': network.name,
                     'shared': False,
                     'admin_state': network.admin_state_up,
                     'with_subnet': True}
        if test_with_subnetpool:
            subnetpool = self.subnetpools.first()
            form_data['subnetpool'] = subnetpool.id
            form_data['prefixlen'] = subnetpool.default_prefixlen

        form_data.update(form_data_subnet(subnet, cidr='30.30.30.0/24',
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        expected_msg = ("CIDRs allowed for user private ipv4 networks "
                        "are 192.168.0.0/16.")
        self.assertContains(res, expected_msg)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    @test.update_settings(
        ALLOWED_PRIVATE_SUBNET_CIDR={'ipv4': ['192.168.0.0/16']})
    def test_network_create_post_with_subnet_cidr_invalid_v4_range_w_snpool(
            self):
        self.test_network_create_post_with_subnet_cidr_invalid_v4_range(
            test_with_subnetpool=True)

    @test.update_settings(ALLOWED_PRIVATE_SUBNET_CIDR={'ipv6': ['fc00::/9']})
    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_cidr_invalid_v6_range(
            self, test_with_subnetpool=False):
        network = self.networks.first()
        subnet_v6 = self.subnets.list()[4]

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()

        form_data = {'net_name': network.name,
                     'shared': False,
                     'admin_state': network.admin_state_up,
                     'with_subnet': True}
        if test_with_subnetpool:
            subnetpool = self.subnetpools.first()
            form_data['subnetpool'] = subnetpool.id
            form_data['prefixlen'] = subnetpool.default_prefixlen

        form_data.update(form_data_subnet(subnet_v6, cidr='fc00::/7',
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        expected_msg = ("CIDRs allowed for user private ipv6 networks "
                        "are fc00::/9.")
        self.assertContains(res, expected_msg)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    @test.update_settings(ALLOWED_PRIVATE_SUBNET_CIDR={'ipv6': ['fc00::/9']})
    def test_network_create_post_with_subnet_cidr_invalid_v6_range_w_snpool(
            self):
        self.test_network_create_post_with_subnet_cidr_invalid_v4_range(
            test_with_subnetpool=True)

    @test.create_mocks({api.neutron: ('network_create',
                                      'subnet_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_cidr_not_restrict(self):
        network = self.networks.first()
        subnet = self.subnets.first()
        cidr = '30.30.30.0/24'
        gateway_ip = '30.30.30.1'
        params = {'name': network.name,
                  'admin_state_up': network.admin_state_up,
                  'shared': False}
        subnet_params = {'network_id': network.id,
                         'name': subnet.name,
                         'cidr': cidr,
                         'ip_version': subnet.ip_version,
                         'gateway_ip': gateway_ip,
                         'enable_dhcp': subnet.enable_dhcp}

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network
        self.mock_subnet_create.return_value = subnet

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': True}

        form_data.update(form_data_subnet(subnet, cidr=cidr,
                                          gateway_ip=gateway_ip,
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertNoFormErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self.mock_subnet_create.assert_called_once_with(
            test.IsHttpRequest(), **subnet_params)

    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_cidr_inconsistent(
            self, test_with_subnetpool=False):
        network = self.networks.first()
        subnet = self.subnets.first()

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()

        # dummy IPv6 address
        cidr = '2001:0DB8:0:CD30:123:4567:89AB:CDEF/60'
        form_data = {'net_name': network.name,
                     'shared': False,
                     'admin_state': network.admin_state_up,
                     'with_subnet': True}
        if test_with_subnetpool:
            subnetpool = self.subnetpools.first()
            form_data['subnetpool'] = subnetpool.id
            form_data['prefixlen'] = subnetpool.default_prefixlen
        form_data.update(form_data_subnet(subnet, cidr=cidr,
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        expected_msg = 'Network Address and IP version are inconsistent.'
        self.assertContains(res, expected_msg)

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    def test_network_create_post_with_subnet_cidr_inconsistent_w_snpool(self):
        self.test_network_create_post_with_subnet_cidr_inconsistent(
            test_with_subnetpool=True)

    @test.create_mocks({api.neutron: ('is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_gw_inconsistent(
            self, test_with_subnetpool=False):
        network = self.networks.first()
        subnet = self.subnets.first()
        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()

        # dummy IPv6 address
        gateway_ip = '2001:0DB8:0:CD30:123:4567:89AB:CDEF'
        form_data = {'net_name': network.name,
                     'shared': False,
                     'admin_state': network.admin_state_up,
                     'with_subnet': True}
        if test_with_subnetpool:
            subnetpool = self.subnetpools.first()
            form_data['subnetpool'] = subnetpool.id
            form_data['prefixlen'] = subnetpool.default_prefixlen
        form_data.update(form_data_subnet(subnet, gateway_ip=gateway_ip,
                                          allocation_pools=[]))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)

        self.assertContains(res, 'Gateway IP and IP version are inconsistent.')

        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})
        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())

    def test_network_create_post_with_subnet_gw_inconsistent_w_snpool(self):
        self.test_network_create_post_with_subnet_gw_inconsistent(
            test_with_subnetpool=True)

    @test.create_mocks({api.neutron: ('network_create',
                                      'subnet_create',
                                      'is_extension_supported',
                                      'subnetpool_list')})
    def test_network_create_post_with_subnet_ignore_error_msg_for_gateway(
            self):
        network = self.networks.first()
        subnet = self.subnets.first()
        params = {'name': network.name,
                  'admin_state_up': network.admin_state_up,
                  'shared': False}

        self._stub_is_extension_supported({'network_availability_zone': False,
                                           'subnet_allocation': True})
        self.mock_subnetpool_list.return_value = self.subnetpools.list()
        self.mock_network_create.return_value = network
        self.mock_subnet_create.return_value = subnet

        form_data = {'net_name': network.name,
                     'admin_state': network.admin_state_up,
                     'shared': False,
                     'with_subnet': True}
        subnet_params = {'network_id': network.id,
                         'name': subnet.name,
                         'cidr': subnet.cidr,
                         'ip_version': subnet.ip_version,
                         'gateway_ip': None,
                         'enable_dhcp': subnet.enable_dhcp}
        form_data.update(form_data_subnet(subnet, allocation_pools=[],
                                          no_gateway=True, gateway_ip="."))
        url = reverse('horizon:project:networks:create')
        res = self.client.post(url, form_data)
        self.assertNoWorkflowErrors(res)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_subnetpool_list.assert_called_once_with(test.IsHttpRequest())
        self.mock_network_create.assert_called_once_with(
            test.IsHttpRequest(), **params)
        self.mock_subnet_create.assert_called_once_with(
            test.IsHttpRequest(),
            **subnet_params)
        self._check_is_extension_supported({'network_availability_zone': 1,
                                            'subnet_allocation': 1})

    @test.create_mocks({api.neutron: ('network_get',)})
    def test_network_update_get(self):
        network = self.networks.first()
        self.mock_network_get.return_value = network

        url = reverse('horizon:project:networks:update', args=[network.id])
        res = self.client.get(url)

        self.assertTemplateUsed(res, 'project/networks/update.html')

        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network.id, expand_subnet=False)

    @test.create_mocks({api.neutron: ('network_get',)})
    def test_network_update_get_exception(self):
        network = self.networks.first()
        self.mock_network_get.side_effect = self.exceptions.neutron

        url = reverse('horizon:project:networks:update', args=[network.id])
        res = self.client.get(url)

        redir_url = INDEX_URL
        self.assertRedirectsNoFollow(res, redir_url)
        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network.id, expand_subnet=False)

    @test.create_mocks({api.neutron: ('network_update',
                                      'network_get')})
    def test_network_update_post(self):
        network = self.networks.first()
        self.mock_network_update.return_value = network
        self.mock_network_get.return_value = network

        form_data = {'network_id': network.id,
                     'shared': False,
                     'name': network.name,
                     'admin_state': network.admin_state_up,
                     'tenant_id': network.tenant_id}
        url = reverse('horizon:project:networks:update', args=[network.id])
        res = self.client.post(url, form_data)

        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_network_update.assert_called_once_with(
            test.IsHttpRequest(), network.id, name=network.name,
            admin_state_up=network.admin_state_up, shared=network.shared)
        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network.id, expand_subnet=False)

    @test.create_mocks({api.neutron: ('network_update',
                                      'network_get')})
    def test_network_update_post_exception(self):
        network = self.networks.first()
        self.mock_network_update.side_effect = self.exceptions.neutron
        self.mock_network_get.return_value = network

        form_data = {'network_id': network.id,
                     'shared': False,
                     'name': network.name,
                     'admin_state': network.admin_state_up,
                     'tenant_id': network.tenant_id}
        url = reverse('horizon:project:networks:update', args=[network.id])
        res = self.client.post(url, form_data)

        self.assertRedirectsNoFollow(res, INDEX_URL)

        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network.id, expand_subnet=False)
        self.mock_network_update.assert_called_once_with(
            test.IsHttpRequest(), network.id, name=network.name,
            admin_state_up=network.admin_state_up, shared=False)

    @test.create_mocks({api.neutron: ('network_list',
                                      'network_delete',
                                      'is_extension_supported')})
    def test_delete_network_no_subnet(self):
        network = self.networks.first()
        network.subnets = []
        self.mock_is_extension_supported.return_value = True
        self._stub_net_list()
        self.mock_network_delete.return_value = None

        form_data = {'action': 'networks__delete__%s' % network.id}
        res = self.client.post(INDEX_URL, form_data)
        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_net_list()
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')
        self.mock_network_delete.assert_called_once_with(
            test.IsHttpRequest(), network.id)

    @test.create_mocks({api.neutron: ('network_list',
                                      'network_delete',
                                      'is_extension_supported')})
    def test_delete_network_with_subnet(self):
        network = self.networks.first()
        network.subnets = [subnet.id for subnet in network.subnets]

        self.mock_is_extension_supported.return_value = True
        self._stub_net_list()
        self.mock_network_delete.return_value = None

        form_data = {'action': 'networks__delete__%s' % network.id}
        res = self.client.post(INDEX_URL, form_data)

        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_net_list()
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')
        self.mock_network_delete.assert_called_once_with(
            test.IsHttpRequest(), network.id)

    @test.create_mocks({api.neutron: ('network_list',
                                      'network_delete',
                                      'is_extension_supported')})
    def test_delete_network_exception(self):
        network = self.networks.first()
        network.subnets = [subnet.id for subnet in network.subnets]

        self.mock_is_extension_supported.return_value = True
        self._stub_net_list()
        self.mock_network_delete.side_effect = self.exceptions.neutron

        form_data = {'action': 'networks__delete__%s' % network.id}
        res = self.client.post(INDEX_URL, form_data)

        self.assertRedirectsNoFollow(res, INDEX_URL)

        self._check_net_list()
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')
        self.mock_network_delete.assert_called_once_with(
            test.IsHttpRequest(), network.id)


class NetworkViewTests(test.TestCase, NetworkStubMixin):

    @test.create_mocks({api.neutron: ('network_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_create_button_shown_when_quota_disabled(self, find_button_fn):
        # if quota_data doesn't contain a networks|subnets|routers key or
        # these keys are empty dicts, its disabled
        quota_data = self.neutron_quota_usages.first()

        quota_data['network'].pop('available')
        quota_data['subnet'].pop('available')

        self._stub_net_list()
        self.mock_tenant_quota_usages.return_value = quota_data
        self.mock_is_extension_supported.return_value = True

        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, INDEX_TEMPLATE)

        networks = res.context['networks_table'].data
        self.assertItemsEqual(networks, self.networks.list())

        button = find_button_fn(res)
        self.assertFalse('disabled' in button.classes,
                         "The create button should not be disabled")

        self._check_net_list()
        self.mock_tenant_quota_usages.assert_has_calls([
            mock.call(test.IsHttpRequest(), targets=('network', )),
            mock.call(test.IsHttpRequest(), targets=('subnet', )),
        ])
        self.assertEqual(8, self.mock_tenant_quota_usages.call_count)
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')

        return button

    @test.create_mocks({api.neutron: ('network_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_create_button_disabled_when_quota_exceeded(
            self, find_button_fn,
            network_quota=5, subnet_quota=5, ):

        quota_data = self.neutron_quota_usages.first()

        quota_data['network']['available'] = network_quota
        quota_data['subnet']['available'] = subnet_quota

        self._stub_net_list()
        self.mock_tenant_quota_usages.return_value = quota_data
        self.mock_is_extension_supported.return_value = True

        res = self.client.get(INDEX_URL)
        self.assertTemplateUsed(res, INDEX_TEMPLATE)

        networks = res.context['networks_table'].data
        self.assertItemsEqual(networks, self.networks.list())

        button = find_button_fn(res)
        self.assertIn('disabled', button.classes,
                      "The create button should be disabled")

        self._check_net_list()
        self.mock_tenant_quota_usages.assert_has_calls([
            mock.call(test.IsHttpRequest(), targets=('network', )),
            mock.call(test.IsHttpRequest(), targets=('subnet', )),
        ])
        self.assertEqual(8, self.mock_tenant_quota_usages.call_count)
        self.mock_is_extension_supported.assert_called_once_with(
            test.IsHttpRequest(), 'network_availability_zone')

        return button

    def test_network_create_button_disabled_when_quota_exceeded_index(self):
        networks_tables.CreateNetwork()

        def _find_net_button(res):
            return self.getAndAssertTableAction(res, 'networks', 'create')
        self._test_create_button_disabled_when_quota_exceeded(_find_net_button,
                                                              network_quota=0)

    def test_subnet_create_button_disabled_when_quota_exceeded_index(self):
        network_id = self.networks.first().id
        networks_tables.CreateSubnet()

        def _find_subnet_button(res):
            return self.getAndAssertTableRowAction(res, 'networks',
                                                   'subnet', network_id)

        self._test_create_button_disabled_when_quota_exceeded(
            _find_subnet_button, subnet_quota=0)

    def test_network_create_button_shown_when_quota_disabled_index(self):
        # if quota_data doesnt contain a networks["available"] key its disabled
        networks_tables.CreateNetwork()
        self._test_create_button_shown_when_quota_disabled(
            lambda res: self.getAndAssertTableAction(res, 'networks', 'create')
        )

    def test_subnet_create_button_shown_when_quota_disabled_index(self):
        # if quota_data doesnt contain a subnets["available"] key, its disabled
        network_id = self.networks.first().id

        def _find_subnet_button(res):
            return self.getAndAssertTableRowAction(res, 'networks',
                                                   'subnet', network_id)

        self._test_create_button_shown_when_quota_disabled(_find_subnet_button)

    @test.create_mocks({api.neutron: ('network_get',
                                      'subnet_list',
                                      'port_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_subnet_create_button(self, quota_data):
        network_id = self.networks.first().id

        self.mock_network_get.return_value = self.networks.first()
        self.mock_subnet_list.return_value = self.subnets.list()
        self._stub_is_extension_supported({'mac-learning': False,
                                           'network_availability_zone': True})
        self.mock_tenant_quota_usages.return_value = quota_data

        url = urlunquote(reverse('horizon:project:networks:subnets_tab',
                                 args=[network_id]))

        res = self.client.get(url)
        self.assertTemplateUsed(res, 'horizon/common/_detail.html')

        subnets = res.context['subnets_table'].data
        self.assertItemsEqual(subnets, self.subnets.list())

        self.mock_network_get.assert_called_once_with(test.IsHttpRequest(),
                                                      network_id)
        self.mock_subnet_list.assert_called_once_with(
            test.IsHttpRequest(), network_id=network_id)
        self._check_is_extension_supported({'mac-learning': 1,
                                            'network_availability_zone': 1})
        self.assert_mock_multiple_calls_with_same_arguments(
            self.mock_tenant_quota_usages, 3,
            mock.call(test.IsHttpRequest(), targets=('subnet', )))

        return self.getAndAssertTableAction(res, 'subnets', 'create')

    def test_subnet_create_button_disabled_when_quota_exceeded_detail(self):
        quota_data = self.neutron_quota_usages.first()
        quota_data['subnet']['available'] = 0
        create_action = self._test_subnet_create_button(quota_data)
        self.assertIn('disabled', create_action.classes,
                      'The create button should be disabled')

    def test_subnet_create_button_enabled_when_quota_disabled(self):
        # In case of enable_quotas False, neutron related items
        # are not set in a response from tenant_quota_usages.
        quota_data = {}
        create_action = self._test_subnet_create_button(quota_data)
        self.assertNotIn('disabled', create_action.classes,
                         'The create button should be enabled')

    def test_create_button_attributes(self):
        create_action = self._test_create_button_shown_when_quota_disabled(
            lambda res: self.getAndAssertTableAction(res, 'networks', 'create')
        )

        self.assertEqual(set(['ajax-modal']), set(create_action.classes))
        self.assertEqual('horizon:project:networks:create', create_action.url)
        self.assertEqual('Create Network',
                         six.text_type(create_action.verbose_name))
        self.assertEqual((('network', 'create_network'),),
                         create_action.policy_rules)

    def test_create_subnet_button_attributes(self):
        quota_data = self.neutron_quota_usages.first()
        quota_data['subnets']['available'] = 1
        create_action = self._test_subnet_create_button(quota_data)

        self.assertEqual(set(['ajax-modal']), set(create_action.classes))
        self.assertEqual('horizon:project:networks:createsubnet',
                         create_action.url)
        self.assertEqual('Create Subnet',
                         six.text_type(create_action.verbose_name))
        self.assertEqual((('network', 'create_subnet'),),
                         create_action.policy_rules)

    @test.create_mocks({api.neutron: ('network_get',
                                      'port_list',
                                      'is_extension_supported'),
                        quotas: ('tenant_quota_usages',)})
    def _test_port_create_button(self, quota_data):
        network_id = self.networks.first().id

        self.mock_network_get.return_value = self.networks.first()
        self.mock_port_list.return_value = self.ports.list()
        self._stub_is_extension_supported({'mac-learning': False,
                                           'network_availability_zone': True})
        self.mock_tenant_quota_usages.return_value = quota_data

        url = urlunquote(reverse('horizon:project:networks:ports_tab',
                                 args=[network_id]))
        res = self.client.get(url)
        self.assertTemplateUsed(res, 'horizon/common/_detail.html')

        ports = res.context['ports_table'].data
        self.assertItemsEqual(ports, self.ports.list())

        self.mock_network_get.assert_called_once_with(
            test.IsHttpRequest(), network_id)
        self.mock_port_list.assert_called_once_with(
            test.IsHttpRequest(), network_id=network_id)
        self._check_is_extension_supported({'mac-learning': 1,
                                            'network_availability_zone': 1})
        self.mock_tenant_quota_usages.assert_has_calls([
            mock.call(test.IsHttpRequest(), targets=('subnet', )),
            mock.call(test.IsHttpRequest(), targets=('port', )),
        ])

        return self.getAndAssertTableAction(res, 'ports', 'create')

    def test_port_create_button_disabled_when_quota_exceeded(self):
        quota_data = self.neutron_quota_usages.first()
        quota_data['port']['available'] = 0
        create_action = self._test_port_create_button(quota_data)
        self.assertIn('disabled', create_action.classes,
                      'The create button should be disabled')

    def test_port_create_button_enabled_when_quota_disabled(self):
        # In case of enable_quotas False, neutron related items
        # are not set in a response from tenant_quota_usages.
        quota_data = {}
        create_action = self._test_port_create_button(quota_data)
        self.assertNotIn('disabled', create_action.classes,
                         'The create button should be enabled')

    def test_create_port_button_attributes(self):
        quota_data = self.neutron_quota_usages.first()
        quota_data['port']['available'] = 1
        create_action = self._test_port_create_button(quota_data)

        self.assertEqual(set(['ajax-modal']), set(create_action.classes))
        self.assertEqual('horizon:project:networks:addport',
                         create_action.url)
        self.assertEqual('Create Port',
                         six.text_type(create_action.verbose_name))
        self.assertEqual((('network', 'create_port'),),
                         create_action.policy_rules)
