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, 53 insertions, 2 deletions

diff --git a/openstackclient/tests/volume/v1/fakes.py b/openstackclient/tests/volume/v1/fakes.py
index d6c46439..6c349866 100644
--- a/openstackclient/tests/volume/v1/fakes.py
+++ b/openstackclient/tests/volume/v1/fakes.py
@@ -129,6 +129,57 @@ QOS_WITH_ASSOCIATIONS = {
 }
 
 
+class FakeTransferClient(object):
+
+    def __init__(self, **kwargs):
+
+        self.transfers = mock.Mock()
+        self.transfers.resource_class = fakes.FakeResource(None, {})
+
+
+class TestTransfer(utils.TestCommand):
+
+    def setUp(self):
+        super(TestTransfer, self).setUp()
+
+        self.app.client_manager.volume = FakeTransferClient(
+            endpoint=fakes.AUTH_URL,
+            token=fakes.AUTH_TOKEN
+        )
+
+
+class FakeTransfer(object):
+    """Fake one or more Transfer."""
+
+    @staticmethod
+    def create_one_transfer(attrs=None):
+        """Create a fake transfer.
+
+        :param Dictionary attrs:
+            A dictionary with all attributes of Transfer Request
+        :retrun:
+            A FakeResource object with volume_id, name, id.
+        """
+        # Set default attribute
+        transfer_info = {
+            'volume_id': 'ce26708d-a7f8-4b4b-9861-4a80256615a7',
+            'name': 'fake_transfer_name',
+            'id': '731a7f53-aa92-4fbd-9de3-6f7d729c926b'
+        }
+
+        # Overwrite default attributes if there are some attributes set
+        attrs = attrs or {}
+
+        transfer_info.update(attrs)
+
+        transfer = fakes.FakeResource(
+            None,
+            transfer_info,
+            loaded=True)
+
+        return transfer
+
+
 class FakeServiceClient(object):
 
     def __init__(self, **kwargs):
@@ -171,8 +222,8 @@ class FakeService(object):
         }
 
         # Overwrite default attributes if there are some attributes set
-        if attrs is None:
-            attrs = {}
+        attrs = attrs or {}
+
         service_info.update(attrs)
 
         service = fakes.FakeResource(