Fix Processor.sub_processors

Change-Id: Ibeac9db891a11e0565ffbc3d5878d325e69a07a2

releasenotes/notes/fix-subprocessors-3b619434dba4636d.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes ``Processor.sub_processors`` for "'Processor' object has no attribute
+    'conn'" error.

sushy/resources/system/processor.py

@@ -106,20 +106,20 @@ class Processor(base.ResourceBase):
         super(Processor, self).__init__(
             connector, identity, redfish_version, registries)
 
-    def _get_processor_collection_path(self):
-        """Helper function to find the ProcessorCollection path"""
-        pro_col = self.json.get('ProcessorCollection')
-        if not pro_col:
+    def _get_subprocessor_collection_path(self):
+        """Helper function to find the SubProcessors path"""
+        subproc_col = self.json.get('SubProcessors')
+        if not subproc_col:
             raise exceptions.MissingAttributeError(
-                attribute='ProcessorCollection', resource=self._path)
-        return pro_col.get('@odata.id')
+                attribute='SubProcessors', resource=self._path)
+        return subproc_col.get('@odata.id')
 
     @property
     @utils.cache_it
     def sub_processors(self):
         """A reference to the collection of Sub-Processors"""
         return ProcessorCollection(
-            self.conn, self._get_processor_collection_path,
+            self._conn, self._get_subprocessor_collection_path(),
             redfish_version=self.redfish_version)
 
 

sushy/tests/unit/json_samples/processor.json

@@ -23,6 +23,9 @@
         "Health": "OK",
         "HealthRollup": "OK"
     },
+    "SubProcessors": {
+        "@odata.id": "/redfish/v1/Systems/437XR1138R2/Processors/CPU1/SubProcessors"
+    },
     "@odata.context": "/redfish/v1/$metadata#Systems/Members/437XR1138R2/Processors/Members/$entity",
     "@odata.id": "/redfish/v1/Systems/437XR1138R2/Processors/CPU1",
     "@Redfish.Copyright": "Copyright 2014-2016 Distributed Management Task Force, Inc. (DMTF). For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright."

sushy/tests/unit/json_samples/subprocessor.json

@@ -0,0 +1,9 @@
+{
+    "@odata.id": "/redfish/v1/Systems/system/Processors/CPU1/SubProcessors/Core1",
+    "@odata.type": "#Processor.v1_3_0.Processor",
+    "Id": "Core1",
+    "Status": {
+        "State": "Enabled",
+        "Health": "OK"
+    }
+}

sushy/tests/unit/json_samples/subprocessor_collection.json

@@ -0,0 +1,9 @@
+{
+    "@odata.id": "/redfish/v1/Systems/437XR1138R2Processors/CPU1/SubProcessors",
+    "@odata.type": "#ProcessorCollection.ProcessorCollection",
+    "Members": [
+      {
+        "@odata.id": "/redfish/v1/Systems/system/Processors/CPU1/SubProcessors/Core1"
+      }
+    ]
+}

sushy/tests/unit/resources/system/test_processor.py

@@ -17,6 +17,7 @@ from unittest import mock
 
 
 import sushy
+from sushy import exceptions
 from sushy.resources import constants as res_cons
 from sushy.resources.system import processor
 from sushy.tests.unit import base
@@ -76,6 +77,28 @@ class ProcessorTestCase(base.TestCase):
         self.assertEqual(res_cons.HEALTH_OK,
                          self.sys_processor.status.health_rollup)
 
+    def test_sub_processors(self):
+        self.conn.get.return_value.json.reset_mock()
+        with open('sushy/tests/unit/json_samples/'
+                  'subprocessor_collection.json') as f:
+            subproc_col = json.load(f)
+        with open('sushy/tests/unit/json_samples/subprocessor.json') as f:
+            subproc1 = json.load(f)
+
+        self.conn.get.return_value.json.side_effect = [subproc_col, subproc1]
+
+        sub_processors = self.sys_processor.sub_processors
+        self.assertIsInstance(sub_processors,
+                              processor.ProcessorCollection)
+        self.assertEqual((0, None), sub_processors.summary)
+        self.assertEqual('Core1', sub_processors.get_members()[0].identity)
+
+    def test_sub_processors_missing(self):
+        self.sys_processor.json.pop('SubProcessors')
+        with self.assertRaisesRegex(
+                exceptions.MissingAttributeError, 'attribute SubProcessors'):
+            self.sys_processor.sub_processors
+
 
 class ProcessorCollectionTestCase(base.TestCase):