Add unit test for multi volume types delete

Missing unit test for multi volume types delete
in volume v2 (v1 has been done), this patch add
it.

Change-Id: I5fe67196408157f8bdfe6399ba1e559cea3dc559

Author: Huanxuan Ao

openstackclient/tests/unit/volume/v2/fakes.py

@@ -903,3 +903,23 @@ def create_types(attrs=None, count=2):
             volume_types.append(volume_type)
 
         return volume_types
+
+    @staticmethod
+    def get_types(types=None, count=2):
+        """Get an iterable MagicMock object with a list of faked types.
+
+        If types list is provided, then initialize the Mock object with the
+        list. Otherwise create one.
+
+        :param List types:
+            A list of FakeResource objects faking types
+        :param Integer count:
+            The number of types to be faked
+        :return
+            An iterable Mock object with side_effect set to a list of faked
+            types
+        """
+        if types is None:
+            types = FakeType.create_types(count)
+
+        return mock.Mock(side_effect=types)

openstackclient/tests/unit/volume/v2/test_type.py

@@ -13,6 +13,7 @@
 #
 
 import mock
+from mock import call
 
 from osc_lib import exceptions
 from osc_lib import utils
@@ -133,31 +134,78 @@ def test_public_type_create_with_project(self):
 
 class TestTypeDelete(TestType):
 
-    volume_type = volume_fakes.FakeType.create_one_type()
+    volume_types = volume_fakes.FakeType.create_types(count=2)
 
     def setUp(self):
         super(TestTypeDelete, self).setUp()
 
-        self.types_mock.get.return_value = self.volume_type
+        self.types_mock.get = volume_fakes.FakeType.get_types(
+            self.volume_types)
         self.types_mock.delete.return_value = None
 
         # Get the command object to mock
         self.cmd = volume_type.DeleteVolumeType(self.app, None)
 
     def test_type_delete(self):
         arglist = [
-            self.volume_type.id
+            self.volume_types[0].id
         ]
         verifylist = [
-            ("volume_types", [self.volume_type.id])
+            ("volume_types", [self.volume_types[0].id])
         ]
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
         result = self.cmd.take_action(parsed_args)
 
-        self.types_mock.delete.assert_called_with(self.volume_type)
+        self.types_mock.delete.assert_called_with(self.volume_types[0])
         self.assertIsNone(result)
 
+    def test_delete_multiple_types(self):
+        arglist = []
+        for t in self.volume_types:
+            arglist.append(t.id)
+        verifylist = [
+            ('volume_types', arglist),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+        result = self.cmd.take_action(parsed_args)
+
+        calls = []
+        for t in self.volume_types:
+            calls.append(call(t))
+        self.types_mock.delete.assert_has_calls(calls)
+        self.assertIsNone(result)
+
+    def test_delete_multiple_types_with_exception(self):
+        arglist = [
+            self.volume_types[0].id,
+            'unexist_type',
+        ]
+        verifylist = [
+            ('volume_types', arglist),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        find_mock_result = [self.volume_types[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 volume types failed to delete.',
+                                 str(e))
+            find_mock.assert_any_call(
+                self.types_mock, self.volume_types[0].id)
+            find_mock.assert_any_call(self.types_mock, 'unexist_type')
+
+            self.assertEqual(2, find_mock.call_count)
+            self.types_mock.delete.assert_called_once_with(
+                self.volume_types[0]
+            )
+
 
 class TestTypeList(TestType):