Support bulk deletion for delete commands in computev2

Support bulk deletion and error handling for "keypair delete"
and "service delete" commands in computev2.
Up to now, all the delete commands in computev2 support bulk
deletion.

Change-Id: I6d5c960e9716188e56615514d0921618a15a88ec
Partially-Implements: blueprint multi-argument-compute
Partial-Bug: #1592906

3 files changed, 125 insertions, 11 deletions

diff --git a/openstackclient/tests/compute/v2/fakes.py b/openstackclient/tests/compute/v2/fakes.py
index b7f17fbc..882d8480 100644
--- a/openstackclient/tests/compute/v2/fakes.py
+++ b/openstackclient/tests/compute/v2/fakes.py
@@ -826,6 +826,25 @@ class FakeKeypair(object):
 
         return keypairs
 
+    @staticmethod
+    def get_keypairs(keypairs=None, count=2):
+        """Get an iterable MagicMock object with a list of faked keypairs.
+
+        If keypairs list is provided, then initialize the Mock object with the
+        list. Otherwise create one.
+
+        :param List keypairs:
+            A list of FakeResource objects faking keypairs
+        :param int count:
+            The number of keypairs to fake
+        :return:
+            An iterable Mock object with side_effect set to a list of faked
+            keypairs
+        """
+        if keypairs is None:
+            keypairs = FakeKeypair.create_keypairs(count)
+        return mock.MagicMock(side_effect=keypairs)
+
 
 class FakeAvailabilityZone(object):
     """Fake one or more compute availability zones (AZs)."""
diff --git a/openstackclient/tests/compute/v2/test_keypair.py b/openstackclient/tests/compute/v2/test_keypair.py
index a50a5323..25949e31 100644
--- a/openstackclient/tests/compute/v2/test_keypair.py
+++ b/openstackclient/tests/compute/v2/test_keypair.py
@@ -14,6 +14,10 @@
 #
 
 import mock
+from mock import call
+
+from osc_lib import exceptions
+from osc_lib import utils
 
 from openstackclient.compute.v2 import keypair
 from openstackclient.tests.compute.v2 import fakes as compute_fakes
@@ -114,22 +118,23 @@ class TestKeypairCreate(TestKeypair):
 
 class TestKeypairDelete(TestKeypair):
 
-    keypair = compute_fakes.FakeKeypair.create_one_keypair()
+    keypairs = compute_fakes.FakeKeypair.create_keypairs(count=2)
 
     def setUp(self):
         super(TestKeypairDelete, self).setUp()
 
-        self.keypairs_mock.get.return_value = self.keypair
+        self.keypairs_mock.get = compute_fakes.FakeKeypair.get_keypairs(
+            self.keypairs)
         self.keypairs_mock.delete.return_value = None
 
         self.cmd = keypair.DeleteKeypair(self.app, None)
 
     def test_keypair_delete(self):
         arglist = [
-            self.keypair.name
+            self.keypairs[0].name
         ]
         verifylist = [
-            ('name', self.keypair.name),
+            ('name', [self.keypairs[0].name]),
         ]
 
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -137,7 +142,54 @@ class TestKeypairDelete(TestKeypair):
         ret = self.cmd.take_action(parsed_args)
 
         self.assertIsNone(ret)
-        self.keypairs_mock.delete.assert_called_with(self.keypair.name)
+        self.keypairs_mock.delete.assert_called_with(self.keypairs[0].name)
+
+    def test_delete_multiple_keypairs(self):
+        arglist = []
+        for k in self.keypairs:
+            arglist.append(k.name)
+        verifylist = [
+            ('name', arglist),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        result = self.cmd.take_action(parsed_args)
+
+        calls = []
+        for k in self.keypairs:
+            calls.append(call(k.name))
+        self.keypairs_mock.delete.assert_has_calls(calls)
+        self.assertIsNone(result)
+
+    def test_delete_multiple_keypairs_with_exception(self):
+        arglist = [
+            self.keypairs[0].name,
+            'unexist_keypair',
+        ]
+        verifylist = [
+            ('name', arglist),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        find_mock_result = [self.keypairs[0], exceptions.CommandError]
+        with mock.patch.object(utils, 'find_resource',
+                               side_effect=find_mock_result) as find_mock:
+            try:
+                self.cmd.take_action(parsed_args)
+                self.fail('CommandError should be raised.')
+            except exceptions.CommandError as e:
+                self.assertEqual('1 of 2 public keys failed to delete.',
+                                 str(e))
+
+            find_mock.assert_any_call(
+                self.keypairs_mock, self.keypairs[0].name)
+            find_mock.assert_any_call(self.keypairs_mock, 'unexist_keypair')
+
+            self.assertEqual(2, find_mock.call_count)
+            self.keypairs_mock.delete.assert_called_once_with(
+                self.keypairs[0].name
+            )
 
 
 class TestKeypairList(TestKeypair):
diff --git a/openstackclient/tests/compute/v2/test_service.py b/openstackclient/tests/compute/v2/test_service.py
index e41d633a..1599f466 100644
--- a/openstackclient/tests/compute/v2/test_service.py
+++ b/openstackclient/tests/compute/v2/test_service.py
@@ -14,6 +14,7 @@
 #
 
 import mock
+from mock import call
 
 from osc_lib import exceptions
 
@@ -33,32 +34,74 @@ class TestService(compute_fakes.TestComputev2):
 
 class TestServiceDelete(TestService):
 
+    services = compute_fakes.FakeService.create_services(count=2)
+
     def setUp(self):
         super(TestServiceDelete, self).setUp()
 
-        self.service = compute_fakes.FakeService.create_one_service()
-
         self.service_mock.delete.return_value = None
 
         # Get the command object to test
         self.cmd = service.DeleteService(self.app, None)
 
-    def test_service_delete_no_options(self):
+    def test_service_delete(self):
         arglist = [
-            self.service.binary,
+            self.services[0].binary,
         ]
         verifylist = [
-            ('service', self.service.binary),
+            ('service', [self.services[0].binary]),
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         result = self.cmd.take_action(parsed_args)
 
         self.service_mock.delete.assert_called_with(
-            self.service.binary,
+            self.services[0].binary,
         )
         self.assertIsNone(result)
 
+    def test_multi_services_delete(self):
+        arglist = []
+        for s in self.services:
+            arglist.append(s.binary)
+        verifylist = [
+            ('service', arglist),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        result = self.cmd.take_action(parsed_args)
+
+        calls = []
+        for s in self.services:
+            calls.append(call(s.binary))
+        self.service_mock.delete.assert_has_calls(calls)
+        self.assertIsNone(result)
+
+    def test_multi_services_delete_with_exception(self):
+        arglist = [
+            self.services[0].binary,
+            'unexist_service',
+        ]
+        verifylist = [
+            ('service', arglist)
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        delete_mock_result = [None, exceptions.CommandError]
+        self.service_mock.delete = (
+            mock.MagicMock(side_effect=delete_mock_result)
+        )
+
+        try:
+            self.cmd.take_action(parsed_args)
+            self.fail('CommandError should be raised.')
+        except exceptions.CommandError as e:
+            self.assertEqual(
+                '1 of 2 compute services failed to delete.', str(e))
+
+        self.service_mock.delete.assert_any_call(self.services[0].binary)
+        self.service_mock.delete.assert_any_call('unexist_service')
+
 
 class TestServiceList(TestService):