Add tests for domain users interacting with endpoints

This commit introduces some tests that show how domain users are
expected to behave with the endpoints API. A subsequent patch will do
the same for project users.

Change-Id: If3186c6fc1cba68426eedf83f31ae87cbe2060da
Related-Bug: 1804482

keystone/tests/unit/protection/v3/test_endpoints.py

@@ -111,6 +111,90 @@ class _SystemReaderAndMemberUserEndpointTests(object):
             )
 
 
+class _DomainAndProjectUserEndpointTests(object):
+
+    def test_user_cannot_create_endpoints(self):
+        create = {
+            'endpoint': {
+                'interface': 'public',
+                'service_id': uuid.uuid4().hex,
+                'url': 'https://' + uuid.uuid4().hex + '.com'
+            }
+        }
+
+        with self.test_client() as c:
+            c.post(
+                '/v3/endpoints', json=create, headers=self.headers,
+                expected_status_code=http_client.FORBIDDEN
+            )
+
+    def test_user_cannot_list_endpoints(self):
+        # Domain and project users should access this information through the
+        # token response they get when they authenticate for or validate a
+        # token.
+        service = PROVIDERS.catalog_api.create_service(
+            uuid.uuid4().hex, unit.new_service_ref()
+        )
+        endpoint = unit.new_endpoint_ref(service['id'], region_id=None)
+        endpoint = PROVIDERS.catalog_api.create_endpoint(
+            endpoint['id'], endpoint
+        )
+
+        with self.test_client() as c:
+            c.get(
+                '/v3/endpoints', headers=self.headers,
+                expected_status_code=http_client.FORBIDDEN
+            )
+
+    def test_user_cannot_get_an_endpoint(self):
+        service = PROVIDERS.catalog_api.create_service(
+            uuid.uuid4().hex, unit.new_service_ref()
+        )
+        endpoint = unit.new_endpoint_ref(service['id'], region_id=None)
+        endpoint = PROVIDERS.catalog_api.create_endpoint(
+            endpoint['id'], endpoint
+        )
+
+        with self.test_client() as c:
+            c.get(
+                '/v3/endpoints/%s' % endpoint['id'], headers=self.headers,
+                expected_status_code=http_client.FORBIDDEN
+            )
+
+    def test_user_cannot_update_endpoints(self):
+        service = PROVIDERS.catalog_api.create_service(
+            uuid.uuid4().hex, unit.new_service_ref()
+        )
+        endpoint = unit.new_endpoint_ref(service['id'], region_id=None)
+        endpoint = PROVIDERS.catalog_api.create_endpoint(
+            endpoint['id'], endpoint
+        )
+
+        update = {'endpoint': {'interface': 'internal'}}
+
+        with self.test_client() as c:
+            c.patch(
+                '/v3/endpoints/%s' % endpoint['id'], json=update,
+                headers=self.headers,
+                expected_status_code=http_client.FORBIDDEN
+            )
+
+    def test_user_cannot_delete_endpoints(self):
+        service = PROVIDERS.catalog_api.create_service(
+            uuid.uuid4().hex, unit.new_service_ref()
+        )
+        endpoint = unit.new_endpoint_ref(service['id'], region_id=None)
+        endpoint = PROVIDERS.catalog_api.create_endpoint(
+            endpoint['id'], endpoint
+        )
+
+        with self.test_client() as c:
+            c.delete(
+                '/v3/endpoints/%s' % endpoint['id'], headers=self.headers,
+                expected_status_code=http_client.FORBIDDEN
+            )
+
+
 class SystemReaderTests(base_classes.TestCaseWithBootstrap,
                         common_auth.AuthTestMixin,
                         _SystemUserEndpointTests,
@@ -250,3 +334,38 @@ class SystemAdminTests(base_classes.TestCaseWithBootstrap,
             c.delete(
                 '/v3/endpoints/%s' % endpoint['id'], headers=self.headers,
             )
+
+
+class DomainUserTests(base_classes.TestCaseWithBootstrap,
+                      common_auth.AuthTestMixin,
+                      _DomainAndProjectUserEndpointTests):
+
+    def setUp(self):
+        super(DomainUserTests, self).setUp()
+        self.loadapp()
+        self.useFixture(ksfixtures.Policy(self.config_fixture))
+        self.config_fixture.config(group='oslo_policy', enforce_scope=True)
+
+        domain = PROVIDERS.resource_api.create_domain(
+            uuid.uuid4().hex, unit.new_domain_ref()
+        )
+        self.domain_id = domain['id']
+        domain_admin = unit.new_user_ref(domain_id=self.domain_id)
+        self.user_id = PROVIDERS.identity_api.create_user(domain_admin)['id']
+        PROVIDERS.assignment_api.create_grant(
+            self.bootstrapper.admin_role_id, user_id=self.user_id,
+            domain_id=self.domain_id
+        )
+
+        auth = self.build_authentication_request(
+            user_id=self.user_id,
+            password=domain_admin['password'],
+            domain_id=self.domain_id
+        )
+
+        # Grab a token using the persona we're testing and prepare headers
+        # for requests we'll be making in the tests.
+        with self.test_client() as c:
+            r = c.post('/v3/auth/tokens', json=auth)
+            self.token_id = r.headers['X-Subject-Token']
+            self.headers = {'X-Auth-Token': self.token_id}