Floating IP: Neutron support for "ip floating delete" command

This patch implements "ip floating delete" command for
both compute and network. Also includes unit tests.

Change-Id: Ie61f0faad65ec90f9d9956ae463412be8d963d05
partial-Bug: 1519502
Related-to: blueprint neutron-client
Co-Authored-By: Tang Chen <chen.tang@easystack.cn>

3 files changed, 184 insertions, 1 deletions

diff --git a/openstackclient/tests/compute/v2/fakes.py b/openstackclient/tests/compute/v2/fakes.py
index 68a66740..2e4cc1c5 100644
--- a/openstackclient/tests/compute/v2/fakes.py
+++ b/openstackclient/tests/compute/v2/fakes.py
@@ -126,6 +126,9 @@ class FakeComputev2Client(object):
         self.security_group_rules = mock.Mock()
         self.security_group_rules.resource_class = fakes.FakeResource(None, {})
 
+        self.floating_ips = mock.Mock()
+        self.floating_ips.resource_class = fakes.FakeResource(None, {})
+
         self.auth_token = kwargs['token']
 
         self.management_url = kwargs['endpoint']
diff --git a/openstackclient/tests/network/v2/fakes.py b/openstackclient/tests/network/v2/fakes.py
index 516995eb..7dee41e0 100644
--- a/openstackclient/tests/network/v2/fakes.py
+++ b/openstackclient/tests/network/v2/fakes.py
@@ -226,7 +226,6 @@ class FakePort(object):
         :return:
             A FakeResource object, with id, name, etc.
         """
-
         # Set default attributes.
         port_attrs = {
             'admin_state_up': True,
@@ -553,3 +552,79 @@ class FakeSubnet(object):
             subnets.append(FakeSubnet.create_one_subnet(attrs, methods))
 
         return subnets
+
+
+class FakeFloatingIP(object):
+    """Fake one or more floating ip."""
+
+    @staticmethod
+    def create_one_floating_ip(attrs={}, methods={}):
+        """Create a fake floating ip.
+
+        :param Dictionary attrs:
+            A dictionary with all attributes
+        :param Dictionary methods:
+            A dictionary with all methods
+        :return:
+            A FakeResource object, with id, ip
+        """
+        # Set default attributes.
+        floating_ip_attrs = {
+            'id': 'floating-ip-id-' + uuid.uuid4().hex,
+            'ip': '1.0.9.0',
+        }
+
+        # Overwrite default attributes.
+        floating_ip_attrs.update(attrs)
+
+        # Set default methods.
+        floating_ip_methods = {}
+
+        # Overwrite default methods.
+        floating_ip_methods.update(methods)
+
+        floating_ip = fakes.FakeResource(
+            info=copy.deepcopy(floating_ip_attrs),
+            methods=copy.deepcopy(floating_ip_methods),
+            loaded=True)
+        return floating_ip
+
+    @staticmethod
+    def create_floating_ips(attrs={}, methods={}, count=2):
+        """Create multiple fake floating ips.
+
+        :param Dictionary attrs:
+            A dictionary with all attributes
+        :param Dictionary methods:
+            A dictionary with all methods
+        :param int count:
+            The number of floating ips to fake
+        :return:
+            A list of FakeResource objects faking the floating ips
+        """
+        floating_ips = []
+        for i in range(0, count):
+            floating_ips.append(FakeFloatingIP.create_one_floating_ip(
+                attrs,
+                methods
+            ))
+        return floating_ips
+
+    @staticmethod
+    def get_floating_ips(floating_ips=None, count=2):
+        """Get an iterable MagicMock object with a list of faked floating ips.
+
+        If floating_ips list is provided, then initialize the Mock object
+        with the list. Otherwise create one.
+
+        :param List floating ips:
+            A list of FakeResource objects faking floating ips
+        :param int count:
+            The number of floating ips to fake
+        :return:
+            An iterable Mock object with side_effect set to a list of faked
+            floating ips
+        """
+        if floating_ips is None:
+            floating_ips = FakeFloatingIP.create_floating_ips(count)
+        return mock.MagicMock(side_effect=floating_ips)
diff --git a/openstackclient/tests/network/v2/test_floating_ip.py b/openstackclient/tests/network/v2/test_floating_ip.py
new file mode 100644
index 00000000..49131f36
--- /dev/null
+++ b/openstackclient/tests/network/v2/test_floating_ip.py
@@ -0,0 +1,105 @@
+#   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 mock
+
+from openstackclient.network.v2 import floating_ip
+from openstackclient.tests.compute.v2 import fakes as compute_fakes
+from openstackclient.tests.network.v2 import fakes as network_fakes
+
+
+# Tests for Neutron network
+#
+class TestFloatingIPNetwork(network_fakes.TestNetworkV2):
+
+    def setUp(self):
+        super(TestFloatingIPNetwork, self).setUp()
+
+        # Get a shortcut to the network client
+        self.network = self.app.client_manager.network
+
+
+class TestDeleteFloatingIPNetwork(TestFloatingIPNetwork):
+
+    # The floating ip to be deleted.
+    floating_ip = network_fakes.FakeFloatingIP.create_one_floating_ip()
+
+    def setUp(self):
+        super(TestDeleteFloatingIPNetwork, self).setUp()
+
+        self.network.delete_ip = mock.Mock(return_value=self.floating_ip)
+        self.network.find_ip = mock.Mock(return_value=self.floating_ip)
+
+        # Get the command object to test
+        self.cmd = floating_ip.DeleteFloatingIP(self.app, self.namespace)
+
+    def test_floating_ip_delete(self):
+        arglist = [
+            self.floating_ip.id,
+        ]
+        verifylist = [
+            ('floating_ip', self.floating_ip.id),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        self.network.find_ip.assert_called_with(self.floating_ip.id)
+        self.network.delete_ip.assert_called_with(self.floating_ip)
+        self.assertIsNone(result)
+
+
+# Tests for Nova network
+#
+class TestFloatingIPCompute(compute_fakes.TestComputev2):
+
+    def setUp(self):
+        super(TestFloatingIPCompute, self).setUp()
+
+        # Get a shortcut to the compute client
+        self.compute = self.app.client_manager.compute
+
+
+class TestDeleteFloatingIPCompute(TestFloatingIPCompute):
+
+    # The floating ip to be deleted.
+    floating_ip = network_fakes.FakeFloatingIP.create_one_floating_ip()
+
+    def setUp(self):
+        super(TestDeleteFloatingIPCompute, self).setUp()
+
+        self.app.client_manager.network_endpoint_enabled = False
+
+        self.compute.floating_ips.delete.return_value = None
+
+        # Return value of utils.find_resource()
+        self.compute.floating_ips.get.return_value = self.floating_ip
+
+        # Get the command object to test
+        self.cmd = floating_ip.DeleteFloatingIP(self.app, None)
+
+    def test_floating_ip_delete(self):
+        arglist = [
+            self.floating_ip.id,
+        ]
+        verifylist = [
+            ('floating_ip', self.floating_ip.id),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        self.compute.floating_ips.delete.assert_called_with(
+            self.floating_ip.id
+        )
+        self.assertIsNone(result)