Add `ProtocolFeaturesSupported` property of the `Root Service`

protocol_features_supported is the information about protocol features
supported by the service.

Story: #2003853
Task: #26649

Change-Id: I5103eabfa56fc049ca0c98bbfc62c82724fcbae9

releasenotes/notes/add_product_and_protocol_features_supported-59de3f89b7382434.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Adds `Product` and `ProductFeaturesSupported` properties support to
+    the Redfish `Root Service`

sushy/main.py

@@ -26,6 +26,24 @@ from sushy.resources.system import system
 LOG = logging.getLogger(__name__)
 
 
+class ProtocolFeaturesSupportedField(base.CompositeField):
+
+    excerpt_query = base.Field('ExcerptQuery')
+    """The excerpt query parameter is supported"""
+
+    expand_query = base.Field('ExpandQuery')
+    """The expand query parameter is supported"""
+
+    filter_query = base.Field('FilterQuery')
+    """The filter query parameter is supported"""
+
+    only_member_query = base.Field('OnlyMemberQuery')
+    """The only query parameter is supported"""
+
+    select_query = base.Field('SelectQuery')
+    """The select query parameter is supported"""
+
+
 class Sushy(base.ResourceBase):
 
     identity = base.Field('Id', required=True)
@@ -40,6 +58,10 @@ class Sushy(base.ResourceBase):
     product = base.Field('Product')
     """The product associated with this Redfish service"""
 
+    protocol_features_supported = ProtocolFeaturesSupportedField(
+        'ProtocolFeaturesSupported')
+    """The information about protocol features supported by the service"""
+
     _systems_path = base.Field(['Systems', '@odata.id'])
     """SystemCollection path"""
 

sushy/tests/unit/json_samples/root.json

@@ -5,6 +5,13 @@
     "RedfishVersion": "1.0.2",
     "UUID": "92384634-2938-2342-8820-489239905423",
     "Product": "Product",
+    "ProtocolFeaturesSupported": {
+        "ExcerptQuery": true,
+        "ExpandQuery": false,
+        "FilterQuery": true,
+        "OnlyMemberQuery": true,
+        "SelectQuery": false
+    },
     "Systems": {
         "@odata.id": "/redfish/v1/Systems"
     },

sushy/tests/unit/test_main.py

@@ -55,6 +55,12 @@ class MainTestCase(base.TestCase):
         self.assertEqual('92384634-2938-2342-8820-489239905423',
                          self.root.uuid)
         self.assertEqual('Product', self.root.product)
+        self.assertTrue(self.root.protocol_features_supported.excerpt_query)
+        self.assertFalse(self.root.protocol_features_supported.expand_query)
+        self.assertTrue(self.root.protocol_features_supported.filter_query)
+        self.assertTrue(
+            self.root.protocol_features_supported.only_member_query)
+        self.assertFalse(self.root.protocol_features_supported.select_query)
         self.assertEqual('/redfish/v1/Systems', self.root._systems_path)
         self.assertEqual('/redfish/v1/Managers', self.root._managers_path)
         self.assertEqual('/redfish/v1/SessionService',