Update style in TraceTestCase file

tracetools_test/tracetools_test/case.py

@@ -99,7 +99,10 @@ class TraceTestCase(unittest.TestCase):
     def tearDown(self):
         cleanup_trace(self._full_path)
 
-    def assertEventsSet(self, event_names: List[str]):
+    def assertEventsSet(
+        self,
+        event_names: List[str],
+    ) -> None:
         """
         Compare given event names to trace events names as sets.
 
@@ -107,7 +110,10 @@ class TraceTestCase(unittest.TestCase):
         """
         self.assertSetEqual(set(self._event_names), set(event_names), 'wrong events')
 
-    def assertProcessNamesExist(self, names: List[str]):
+    def assertProcessNamesExist(
+        self,
+        names: List[str],
+    ) -> None:
         """
         Check that the given processes exist.
 
@@ -119,7 +125,11 @@ class TraceTestCase(unittest.TestCase):
             name_trimmed = name[:15]
             self.assertTrue(name_trimmed in procnames, 'node name not found in tracepoints')
 
-    def assertValidHandle(self, event: DictEvent, handle_field_names: Union[str, List[str]]):
+    def assertValidHandle(
+        self,
+        event: DictEvent,
+        handle_field_names: Union[str, List[str]],
+    ) -> None:
         """
         Check that the handle associated with a field name is valid.
 
@@ -133,7 +143,11 @@ class TraceTestCase(unittest.TestCase):
             self.assertIsInstance(handle_value, int, 'handle value not int')
             self.assertGreater(handle_value, 0, f'invalid handle value: {field_name}')
 
-    def assertValidQueueDepth(self, event: DictEvent, queue_depth_field_name: str = 'queue_depth'):
+    def assertValidQueueDepth(
+        self,
+        event: DictEvent,
+        queue_depth_field_name: str = 'queue_depth',
+    ) -> None:
         """
         Check that the queue depth value is valid.
 
@@ -144,7 +158,11 @@ class TraceTestCase(unittest.TestCase):
         self.assertIsInstance(queue_depth_value, int, 'invalid queue depth type')
         self.assertGreater(queue_depth_value, 0, 'invalid queue depth')
 
-    def assertStringFieldNotEmpty(self, event: DictEvent, string_field_name: str):
+    def assertStringFieldNotEmpty(
+        self,
+        event: DictEvent,
+        string_field_name: str,
+    ) -> None:
         """
         Check that a string field is not empty.
 
@@ -154,7 +172,11 @@ class TraceTestCase(unittest.TestCase):
         string_field = self.get_field(event, string_field_name)
         self.assertGreater(len(string_field), 0, 'empty string')
 
-    def assertEventAfterTimestamp(self, event: DictEvent, timestamp: int):
+    def assertEventAfterTimestamp(
+        self,
+        event: DictEvent,
+        timestamp: int,
+    ) -> None:
         """
         Check that the event happens after the given timestamp.
 
@@ -163,7 +185,11 @@ class TraceTestCase(unittest.TestCase):
         """
         self.assertGreater(get_event_timestamp(event), timestamp, 'event not after timestamp')
 
-    def assertEventOrder(self, first_event: DictEvent, second_event: DictEvent):
+    def assertEventOrder(
+        self,
+        first_event: DictEvent,
+        second_event: DictEvent,
+    ) -> None:
         """
         Check that the first event was generated before the second event.
 
@@ -176,8 +202,8 @@ class TraceTestCase(unittest.TestCase):
         self,
         events: List[DictEvent],
         expected_number: int,
-        msg: str = 'wrong number of events'
-    ):
+        msg: str = 'wrong number of events',
+    ) -> None:
         """
         Check number of events.
 
@@ -191,8 +217,8 @@ class TraceTestCase(unittest.TestCase):
         self,
         events: List[DictEvent],
         min_expected_number: int,
-        msg: str = 'wrong number of events'
-    ):
+        msg: str = 'wrong number of events',
+    ) -> None:
         """
         Check that the number of events is greater of equal.
 
@@ -207,8 +233,8 @@ class TraceTestCase(unittest.TestCase):
         initial_event: DictEvent,
         field_name: str,
         matching_event_name: str = None,
-        events: List[DictEvent] = None
-    ):
+        events: List[DictEvent] = None,
+    ) -> None:
         """
         Check that the value of a field for a given event has a matching event that follows.
 
@@ -247,8 +273,8 @@ class TraceTestCase(unittest.TestCase):
         event: DictEvent,
         field_name: str,
         value: Any,
-        msg: str = 'wrong field value'
-    ):
+        msg: str = 'wrong field value',
+    ) -> None:
         """
         Check the value of a field.
 
@@ -260,7 +286,11 @@ class TraceTestCase(unittest.TestCase):
         actual_value = self.get_field(event, field_name)
         self.assertEqual(actual_value, value, msg)
 
-    def get_field(self, event: DictEvent, field_name: str) -> Any:
+    def get_field(
+        self,
+        event: DictEvent,
+        field_name: str,
+    ) -> Any:
         """
         Get field value; will fail test if not found.
 
@@ -276,7 +306,10 @@ class TraceTestCase(unittest.TestCase):
         else:
             return value
 
-    def get_procname(self, event: DictEvent) -> str:
+    def get_procname(
+        self,
+        event: DictEvent,
+    ) -> str:
         """
         Get procname.
 
@@ -288,7 +321,7 @@ class TraceTestCase(unittest.TestCase):
     def get_events_with_name(
         self,
         event_name: str,
-        events: List[DictEvent] = None
+        events: List[DictEvent] = None,
     ) -> List[DictEvent]:
         """
         Get all events with the given name.
@@ -304,7 +337,7 @@ class TraceTestCase(unittest.TestCase):
     def get_events_with_procname(
         self,
         procname: str,
-        events: List[DictEvent] = None
+        events: List[DictEvent] = None,
     ) -> List[DictEvent]:
         """
         Get all events with the given procname.
@@ -324,7 +357,7 @@ class TraceTestCase(unittest.TestCase):
         self,
         field_name: str,
         field_values: Any,
-        events: List[DictEvent] = None
+        events: List[DictEvent] = None,
     ) -> List[DictEvent]:
         """
         Get all events with the given field:value.
@@ -344,7 +377,7 @@ class TraceTestCase(unittest.TestCase):
         self,
         field_name: str,
         field_values: Any,
-        events: List[DictEvent] = None
+        events: List[DictEvent] = None,
     ) -> List[DictEvent]:
         """
         Get all events with the given field but not the value.
@@ -360,7 +393,11 @@ class TraceTestCase(unittest.TestCase):
             events = self._events
         return [e for e in events if get_field(e, field_name, None) not in field_values]
 
-    def are_events_ordered(self, first_event: DictEvent, second_event: DictEvent):
+    def are_events_ordered(
+        self,
+        first_event: DictEvent,
+        second_event: DictEvent,
+    ) -> bool:
         """
         Check that the first event was generated before the second event.