Skip tests when threads aren't available

Author: DinoV

Lib/test/test_free_threading/test_list.py

@@ -3,15 +3,15 @@
 from threading import Thread
 from unittest import TestCase
 
-from test.support import is_wasi
+from test.support import threading_helper
 
 
 class C:
     def __init__(self, v):
         self.v = v
 
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class TestList(TestCase):
     def test_racing_iter_append(self):
 

Lib/test/test_free_threading/test_monitoring.py

@@ -7,7 +7,7 @@
 import weakref
 
 from sys import monitoring
-from test.support import is_wasi
+from test.support import threading_helper
 from threading import Thread
 from unittest import TestCase
 
@@ -93,7 +93,7 @@ def tearDown(self):
         monitoring.free_tool_id(self.tool_id)
 
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class SetPreTraceMultiThreaded(InstrumentationMultiThreadedMixin, TestCase):
     """Sets tracing one time after the threads have started"""
 
@@ -112,7 +112,7 @@ def after_threads(self):
         sys.settrace(self.trace_func)
 
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class MonitoringMultiThreaded(
     MonitoringTestMixin, InstrumentationMultiThreadedMixin, TestCase
 ):
@@ -146,7 +146,7 @@ def during_threads(self):
         self.set = not self.set
 
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class SetTraceMultiThreaded(InstrumentationMultiThreadedMixin, TestCase):
     """Uses sys.settrace and repeatedly toggles instrumentation on and off"""
 
@@ -172,7 +172,7 @@ def during_threads(self):
         self.set = not self.set
 
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class SetProfileMultiThreaded(InstrumentationMultiThreadedMixin, TestCase):
     """Uses sys.setprofile and repeatedly toggles instrumentation on and off"""
     thread_count = 25
@@ -201,7 +201,7 @@ def during_threads(self):
         self.set = not self.set
 
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class MonitoringMisc(MonitoringTestMixin, TestCase):
     def register_callback(self):
         def callback(*args):

Lib/test/test_free_threading/test_type.py

@@ -1,12 +1,14 @@
 import unittest
 
 from threading import Thread
-from multiprocessing.dummy import Pool
 from unittest import TestCase
 
-from test.support import is_wasi
+from test.support import threading_helper, import_helper
 
 
+multiprocessing_dummy = import_helper.import_module('multiprocessing.dummy')
+Pool = multiprocessing_dummy.Pool
+
 NTHREADS = 6
 BOTTOM = 0
 TOP = 1000
@@ -15,7 +17,7 @@
 class A:
     attr = 1
 
-@unittest.skipIf(is_wasi, "WASI has no threads.")
+@threading_helper.requires_working_threading()
 class TestType(TestCase):
     def test_attr_cache(self):
         def read(id0):