Add functional tests for unset multiple volume type props

CinderClient bug/1596511 cause that OSC can't unset multiple
properties of volume type, obviously no functional test case
cover the part of logic in OSC, that make the issue raising,
the patch add functional test cases for this scenario.

Change-Id: I42cf9ac8cc72ccc2f1208926d8faf7b80ee2d288
Partial-Bug: #1596511
Depends-On: I60378a32cdc52aacdf869d69b246dec7eb6cdb77

Author: kiwik

openstackclient/tests/functional/volume/v1/test_volume_type.py

@@ -61,6 +61,21 @@ def test_volume_type_set_unset_properties(self):
         raw_output = self.openstack('volume type show ' + self.NAME + opts)
         self.assertEqual("c='d'\n", raw_output)
 
+    def test_volume_type_set_unset_multiple_properties(self):
+        raw_output = self.openstack(
+            'volume type set --property a=b --property c=d ' + self.NAME)
+        self.assertEqual("", raw_output)
+
+        opts = self.get_opts(["properties"])
+        raw_output = self.openstack('volume type show ' + self.NAME + opts)
+        self.assertEqual("a='b', c='d'\n", raw_output)
+
+        raw_output = self.openstack(
+            'volume type unset --property a --property c ' + self.NAME)
+        self.assertEqual("", raw_output)
+        raw_output = self.openstack('volume type show ' + self.NAME + opts)
+        self.assertEqual("\n", raw_output)
+
     def test_multi_delete(self):
         vol_type1 = uuid.uuid4().hex
         vol_type2 = uuid.uuid4().hex

openstackclient/tests/functional/volume/v2/test_volume_type.py

@@ -62,6 +62,21 @@ def test_volume_type_set_unset_properties(self):
         raw_output = self.openstack('volume type show ' + self.NAME + opts)
         self.assertEqual("c='d'\n", raw_output)
 
+    def test_volume_type_set_unset_multiple_properties(self):
+        raw_output = self.openstack(
+            'volume type set --property a=b --property c=d ' + self.NAME)
+        self.assertEqual("", raw_output)
+
+        opts = self.get_opts(["properties"])
+        raw_output = self.openstack('volume type show ' + self.NAME + opts)
+        self.assertEqual("a='b', c='d'\n", raw_output)
+
+        raw_output = self.openstack(
+            'volume type unset --property a --property c ' + self.NAME)
+        self.assertEqual("", raw_output)
+        raw_output = self.openstack('volume type show ' + self.NAME + opts)
+        self.assertEqual("\n", raw_output)
+
     def test_volume_type_set_unset_project(self):
         raw_output = self.openstack(
             'volume type set --project admin ' + self.NAME)