Subnet: Add "subnet delete" command using SDK

This patch adds "subnet delete" command to osc using sdk.

Change-Id: I6be27406b16909c6db2b95417355be302e218a8d
Implements: blueprint neutron-client
Closes-bug: #1542362

2 files changed, 47 insertions, 0 deletions

diff --git a/openstackclient/network/v2/subnet.py b/openstackclient/network/v2/subnet.py
index 7ed02a3a..96ab35ae 100644
--- a/openstackclient/network/v2/subnet.py
+++ b/openstackclient/network/v2/subnet.py
@@ -89,3 +89,21 @@ class ShowSubnet(command.ShowOne):
         columns = _get_columns(obj)
         data = utils.get_item_properties(obj, columns, formatters=_formatters)
         return (columns, data)
+
+
+class DeleteSubnet(command.Command):
+    """Delete subnet"""
+
+    def get_parser(self, prog_name):
+        parser = super(DeleteSubnet, self).get_parser(prog_name)
+        parser.add_argument(
+            'subnet',
+            metavar="<subnet>",
+            help=("Subnet to delete (name or ID)")
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        client = self.app.client_manager.network
+        client.delete_subnet(
+            client.find_subnet(parsed_args.subnet))
diff --git a/openstackclient/tests/network/v2/test_subnet.py b/openstackclient/tests/network/v2/test_subnet.py
index e1e663f4..e844c138 100644
--- a/openstackclient/tests/network/v2/test_subnet.py
+++ b/openstackclient/tests/network/v2/test_subnet.py
@@ -181,3 +181,32 @@ class TestShowSubnet(TestSubnet):
 
         self.assertEqual(self.columns, columns)
         self.assertEqual(list(self.data), list(data))
+
+
+class TestDeleteSubnet(TestSubnet):
+
+    # The subnet to delete.
+    _subnet = network_fakes.FakeSubnet.create_one_subnet()
+
+    def setUp(self):
+        super(TestDeleteSubnet, self).setUp()
+
+        self.network.delete_subnet = mock.Mock(return_value=None)
+
+        self.network.find_subnet = mock.Mock(return_value=self._subnet)
+
+        # Get the command object to test
+        self.cmd = subnet_v2.DeleteSubnet(self.app, self.namespace)
+
+    def test_delete(self):
+        arglist = [
+            self._subnet.name,
+        ]
+        verifylist = [
+            ('subnet', self._subnet.name),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+        self.network.delete_subnet.assert_called_with(self._subnet)
+        self.assertIsNone(result)