Add support for volume transfer request list

OSC does not support to list volume transfer from one user
to other user.
This patch will provide support for listning volume transfer
requests.

Closes-Bug:#1554886

Implements: bp cinder-command-support

Change-Id: Ie659bc39cb1d1e931cca7a40b2f126a067ee484c

1 files changed, 114 insertions, 0 deletions

diff --git a/openstackclient/tests/volume/v2/test_transfer_request.py b/openstackclient/tests/volume/v2/test_transfer_request.py
new file mode 100644
index 00000000..945833c9
--- /dev/null
+++ b/openstackclient/tests/volume/v2/test_transfer_request.py
@@ -0,0 +1,114 @@
+#
+#   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.
+#
+
+
+from openstackclient.tests.volume.v2 import fakes as transfer_fakes
+from openstackclient.volume.v2 import volume_transfer_request
+
+
+class TestTransfer(transfer_fakes.TestTransfer):
+
+    def setUp(self):
+        super(TestTransfer, self).setUp()
+
+        # Get a shortcut to the TransferManager Mock
+        self.transfer_mock = self.app.client_manager.volume.transfers
+        self.transfer_mock.reset_mock()
+
+
+class TestTransferList(TestTransfer):
+
+    # The Transfers to be listed
+    volume_transfers = transfer_fakes.FakeTransfer.create_one_transfer()
+
+    def setUp(self):
+        super(TestTransferList, self).setUp()
+
+        self.transfer_mock.list.return_value = [self.volume_transfers]
+
+        # Get the command object to test
+        self.cmd = volume_transfer_request.ListTransferRequests(self.app, None)
+
+    def test_transfer_list_without_argument(self):
+        arglist = []
+        verifylist = []
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # In base command class Lister in cliff, abstract method take_action()
+        # returns a tuple containing the column names and an iterable
+        # containing the data to be listed.
+        columns, data = self.cmd.take_action(parsed_args)
+
+        expected_columns = [
+            'ID',
+            'Volume',
+            'Name',
+        ]
+
+        # confirming if all expected columns are present in the result.
+        self.assertEqual(expected_columns, columns)
+
+        datalist = ((
+            self.volume_transfers.id,
+            self.volume_transfers.volume_id,
+            self.volume_transfers.name,
+        ), )
+
+        # confirming if all expected values are present in the result.
+        self.assertEqual(datalist, tuple(data))
+
+        # checking if proper call was made to list volume_transfers
+        self.transfer_mock.list.assert_called_with(
+            detailed=True,
+            search_opts={'all_tenants': 0}
+        )
+
+    def test_transfer_list_with_argument(self):
+        arglist = [
+            "--all-projects"
+        ]
+        verifylist = [
+            ("all_projects", True)
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # In base command class Lister in cliff, abstract method take_action()
+        # returns a tuple containing the column names and an iterable
+        # containing the data to be listed.
+        columns, data = self.cmd.take_action(parsed_args)
+
+        expected_columns = [
+            'ID',
+            'Volume',
+            'Name',
+        ]
+
+        # confirming if all expected columns are present in the result.
+        self.assertEqual(expected_columns, columns)
+
+        datalist = ((
+            self.volume_transfers.id,
+            self.volume_transfers.volume_id,
+            self.volume_transfers.name,
+        ), )
+
+        # confirming if all expected values are present in the result.
+        self.assertEqual(datalist, tuple(data))
+
+        # checking if proper call was made to list volume_transfers
+        self.transfer_mock.list.assert_called_with(
+            detailed=True,
+            search_opts={'all_tenants': 1}
+        )