Tests: python: enum.auto() introduced in python 3.6

Assign descriptive string values to the enumeration members instead of
using auto() and provide a repr() method that hides the value as
recommended upstream [1].

[1] https://docs.python.org/3.6/library/enum.html#omitting-values

Change-Id: I0bc8fcc19d68342ade1aeb587f07a9b483f81b3e
Signed-off-by: Michael Jeanson <[email protected]>
Signed-off-by: Jérémie Galarneau <[email protected]>

tests/utils/lttngtest/lttng.py

@@ -144,13 +144,17 @@ def domain(self) -> lttngctl.TracingDomain:
  return self._domain
 
 
+@enum.unique
 class _ProcessAttribute(enum.Enum):
- PID = (enum.auto(),)
- VPID = (enum.auto(),)
- UID = (enum.auto(),)
- VUID = (enum.auto(),)
- GID = (enum.auto(),)
- VGID = (enum.auto(),)
+ PID = "Process ID"
+ VPID = "Virtual Process ID"
+ UID = "User ID"
+ VUID = "Virtual User ID"
+ GID = "Group ID"
+ VGID = "Virtual Group ID"
+
+ def __repr__(self):
+ return "<%s.%s>" % (self.__class__.__name__, self.name)
 
 
 def _get_process_attribute_option_name(attribute: _ProcessAttribute) -> str:

tests/utils/lttngtest/lttngctl.py

@@ -68,14 +68,18 @@ def field_name(self) -> str:
  return self._field_name
 
 
+@enum.unique
 class TracingDomain(enum.Enum):
  """Tracing domain."""
 
- User = enum.auto(), "User space tracing domain"
- Kernel = enum.auto(), "Linux kernel tracing domain."
- Log4j = enum.auto(), "Log4j tracing back-end."
- JUL = enum.auto(), "Java Util Logging tracing back-end."
- Python = enum.auto(), "Python logging module tracing back-end."
+ User = "User space tracing domain"
+ Kernel = "Linux kernel tracing domain."
+ Log4j = "Log4j tracing back-end."
+ JUL = "Java Util Logging tracing back-end."
+ Python = "Python logging module tracing back-end."
+
+ def __repr__(self):
+ return "<%s.%s>" % (self.__class__.__name__, self.name)
 
 
 class EventRule(abc.ABC):
@@ -210,19 +214,17 @@ class ProcessAttributeTracker(abc.ABC):
  policy back to "all" once it has transitioned to "include set".
  """
 
+ @enum.unique
  class TrackingPolicy(enum.Enum):
- INCLUDE_ALL = (
- enum.auto(),
- """
+ INCLUDE_ALL = """
  Track all possible process attribute value of a given type (i.e. no filtering).
  This is the default state of a process attribute tracker.
- """,
- )
- EXCLUDE_ALL = (
- enum.auto(),
- "Exclude all possible process attribute values of a given type.",
- )
- INCLUDE_SET = enum.auto(), "Track a set of specific process attribute values."
+ """
+ EXCLUDE_ALL = "Exclude all possible process attribute values of a given type."
+ INCLUDE_SET = "Track a set of specific process attribute values."
+
+ def __repr__(self):
+ return "<%s.%s>" % (self.__class__.__name__, self.name)
 
  def __init__(self, policy: TrackingPolicy):
  self._policy = policy