cpython/Lib/test/test_profiling/test_sampling_profiler/mocks.py

93 lines
3 KiB
Python

"""Mock classes for sampling profiler tests."""
from collections import namedtuple
# Matches the C structseq LocationInfo from _remote_debugging
LocationInfo = namedtuple('LocationInfo', ['lineno', 'end_lineno', 'col_offset', 'end_col_offset'])
class MockFrameInfo:
"""Mock FrameInfo for testing.
Frame format: (filename, location, funcname, opcode) where:
- location is a tuple (lineno, end_lineno, col_offset, end_col_offset)
- opcode is an int or None
"""
def __init__(self, filename, lineno, funcname, opcode=None):
self.filename = filename
self.funcname = funcname
self.opcode = opcode
self.location = LocationInfo(lineno, lineno, -1, -1)
def __iter__(self):
return iter((self.filename, self.location, self.funcname, self.opcode))
def __getitem__(self, index):
return (self.filename, self.location, self.funcname, self.opcode)[index]
def __len__(self):
return 4
def __repr__(self):
return f"MockFrameInfo('{self.filename}', {self.location}, '{self.funcname}', {self.opcode})"
class MockThreadInfo:
"""Mock ThreadInfo for testing since the real one isn't accessible."""
def __init__(
self, thread_id, frame_info, status=0
): # Default to THREAD_STATE_RUNNING (0)
self.thread_id = thread_id
self.frame_info = frame_info
self.status = status
def __repr__(self):
return f"MockThreadInfo(thread_id={self.thread_id}, frame_info={self.frame_info}, status={self.status})"
class MockInterpreterInfo:
"""Mock InterpreterInfo for testing since the real one isn't accessible."""
def __init__(self, interpreter_id, threads):
self.interpreter_id = interpreter_id
self.threads = threads
def __repr__(self):
return f"MockInterpreterInfo(interpreter_id={self.interpreter_id}, threads={self.threads})"
class MockCoroInfo:
"""Mock CoroInfo for testing async tasks."""
def __init__(self, task_name, call_stack):
self.task_name = task_name # In reality, this is the parent task ID
self.call_stack = call_stack
def __repr__(self):
return f"MockCoroInfo(task_name={self.task_name}, call_stack={self.call_stack})"
class MockTaskInfo:
"""Mock TaskInfo for testing async tasks."""
def __init__(self, task_id, task_name, coroutine_stack, awaited_by=None):
self.task_id = task_id
self.task_name = task_name
self.coroutine_stack = coroutine_stack # List of CoroInfo objects
self.awaited_by = awaited_by or [] # List of CoroInfo objects (parents)
def __repr__(self):
return f"MockTaskInfo(task_id={self.task_id}, task_name={self.task_name})"
class MockAwaitedInfo:
"""Mock AwaitedInfo for testing async tasks."""
def __init__(self, thread_id, awaited_by):
self.thread_id = thread_id
self.awaited_by = awaited_by # List of TaskInfo objects
def __repr__(self):
return f"MockAwaitedInfo(thread_id={self.thread_id}, awaited_by={len(self.awaited_by)} tasks)"