Improve profile and plan stub tests

nutkit/protocol/feature.py

@@ -84,6 +84,10 @@ class Feature(Enum):
     # The result summary provides a way to access the transaction's
     # GqlStatusObject.
     API_SUMMARY_GQL_STATUS_OBJECTS = "Feature:API:Summary:GqlStatusObjects"
+    # The profile in the summary provides a way to discern absent values for
+    # fields `rows`, `dbHits`, `time`, and `pageCacheHits`.
+    API_SUMMARY_PROFILE_OPTIONAL_STATS = \
+        "Feature:API:Summary:Profile:OptionalStats"
     # The driver supports sending and receiving geospatial data types.
     API_TYPE_SPATIAL = "Feature:API:Type.Spatial"
     # The driver supports sending and receiving temporal data types.

tests/neo4j/test_summary.py

@@ -76,7 +76,7 @@ def test_can_obtain_profile_info(self):
     def test_no_notification_info(self):
         summary = self.get_summary("CREATE (n) RETURN n")
         notifications = summary.notifications
-        self.assertTrue(notifications is None or summary.notifications == [])
+        self.assertIn(notifications, (None, []))
 
     def _test_status(self, query, expected_code):
         summary = self.get_summary(query)

tests/shared.py

@@ -150,6 +150,7 @@ def get_driver_name():
 class TestkitTestCase(unittest.TestCase):
 
     required_features = ()
+    maxDiff = None
 
     def setUp(self):
         super().setUp()

tests/stub/summary/scripts/v6x0/summary_with_plan.script

@@ -0,0 +1,23 @@
+!: BOLT 6.0
+
+A: HELLO {"{}": "*"}
+A: LOGON {"{}": "*"}
+*: RESET
+C: RUN "*" "*" "*"
+S: SUCCESS {"t_first": 2001, "fields": ["n"]}
+{{
+    {+
+        C: PULL {"n": 1}
+        S: RECORD [1]
+        S: SUCCESS {"has_more": true}
+    +}
+    C: DISCARD {"n": -1}
+----
+    C: PULL {"n": "*"}
+    S: RECORD [1]
+----
+    C: DISCARD {"n": -1}
+}}
+S: SUCCESS {"type": "r", "db": "apple", "t_last": 2002, "plan": #PLAN#}
+*: RESET
+?: GOODBYE

tests/stub/summary/scripts/v6x0/summary_with_profile.script

@@ -0,0 +1,23 @@
+!: BOLT 6.0
+
+A: HELLO {"{}": "*"}
+A: LOGON {"{}": "*"}
+*: RESET
+C: RUN "*" "*" "*"
+S: SUCCESS {"t_first": 2001, "fields": ["n"]}
+{{
+    {+
+        C: PULL {"n": 1}
+        S: RECORD [1]
+        S: SUCCESS {"has_more": true}
+    +}
+    C: DISCARD {"n": -1}
+----
+    C: PULL {"n": "*"}
+    S: RECORD [1]
+----
+    C: DISCARD {"n": -1}
+}}
+S: SUCCESS {"type": "r", "db": "apple", "t_last": 2002, "profile": #PROFILE#}
+*: RESET
+?: GOODBYE