Allow endpoint filtering on both project and project-domain

The --project and --project-domain flags are currently mutually
exclusive for listing endpoints, however the --project-domain argument
is supposed to help with filtering projects with colliding names. They
should be allowed together.

Story: 2004018
Task: 27007
Change-Id: I7340e01f509e3515f07cb46f175fb603f1ce8b67

Author: jpichon

openstackclient/identity/v3/endpoint.py

@@ -199,7 +199,7 @@ def get_parser(self, prog_name):
             metavar='<project>',
             help=_('Project to list filters (name or ID)'),
         )
-        common.add_project_domain_option_to_parser(list_group)
+        common.add_project_domain_option_to_parser(parser)
         return parser
 
     def take_action(self, parsed_args):

openstackclient/tests/unit/identity/v3/test_endpoint.py

@@ -439,6 +439,47 @@ def test_endpoint_list_region(self):
         )
         self.assertEqual(datalist, tuple(data))
 
+    def test_endpoint_list_project_with_project_domain(self):
+        project = identity_fakes.FakeProject.create_one_project()
+        domain = identity_fakes.FakeDomain.create_one_domain()
+
+        self.ep_filter_mock.list_endpoints_for_project.return_value = [
+            self.endpoint
+        ]
+        self.projects_mock.get.return_value = project
+
+        arglist = [
+            '--project', project.name,
+            '--project-domain', domain.name
+        ]
+        verifylist = [
+            ('project', project.name),
+            ('project_domain', domain.name),
+        ]
+        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)
+        self.ep_filter_mock.list_endpoints_for_project.assert_called_with(
+            project=project.id
+        )
+
+        self.assertEqual(self.columns, columns)
+        datalist = (
+            (
+                self.endpoint.id,
+                self.endpoint.region,
+                self.service.name,
+                self.service.type,
+                True,
+                self.endpoint.interface,
+                self.endpoint.url,
+            ),
+        )
+        self.assertEqual(datalist, tuple(data))
+
 
 class TestEndpointSet(TestEndpoint):