Wrap sleep calls in "sleep_one_cycle" function

tests/test_time_machine.py

@@ -38,6 +38,10 @@
 )
 
 
+def sleep_one_cycle(clock: int) -> None:
+    time.sleep(time.clock_getres(clock))
+
+
 @contextmanager
 def change_local_timezone(local_tz: str | None) -> typing.Iterator[None]:
     orig_tz = os.environ["TZ"]
@@ -155,10 +159,10 @@ def test_time_clock_gettime_realtime():
 @py_have_clock_gettime
 def test_time_clock_gettime_monotonic_unaffected():
     start = time.clock_gettime(time.CLOCK_MONOTONIC)
-    time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+    sleep_one_cycle(time.CLOCK_MONOTONIC)
     with time_machine.travel(EPOCH + 180.0):
         frozen = time.clock_gettime(time.CLOCK_MONOTONIC)
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert isinstance(frozen, float)
         assert frozen > start
 
@@ -171,7 +175,7 @@ def test_time_clock_gettime_monotonic_unaffected():
 def test_time_clock_gettime_ns_realtime():
     with time_machine.travel(EPOCH + 190.0):
         first = time.clock_gettime_ns(time.CLOCK_REALTIME)
-        time.sleep(time.clock_getres(time.CLOCK_REALTIME))
+        sleep_one_cycle(time.CLOCK_REALTIME)
         assert isinstance(first, int)
         assert first == int((EPOCH + 190.0) * NANOSECONDS_PER_SECOND)
         second = time.clock_gettime_ns(time.CLOCK_REALTIME)
@@ -185,10 +189,10 @@ def test_time_clock_gettime_ns_realtime():
 @py_have_clock_gettime
 def test_time_clock_gettime_ns_monotonic_unaffected():
     start = time.clock_gettime_ns(time.CLOCK_MONOTONIC)
-    time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+    sleep_one_cycle(time.CLOCK_MONOTONIC)
     with time_machine.travel(EPOCH + 190.0):
         frozen = time.clock_gettime_ns(time.CLOCK_MONOTONIC)
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert isinstance(frozen, int)
         assert frozen > start
 
@@ -284,7 +288,7 @@ def test_time_strftime_format_t():
 def test_time_time():
     with time_machine.travel(EPOCH):
         first = time.time()
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert isinstance(first, float)
         assert first == EPOCH
         second = time.time()
@@ -306,7 +310,7 @@ def test_time_time():
 def test_time_time_windows():
     with time_machine.travel(EPOCH):
         first = time.time()
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert isinstance(first, float)
         assert first == windows_epoch_in_posix
 
@@ -323,7 +327,7 @@ def test_time_time_no_tick():
 def test_time_time_ns():
     with time_machine.travel(EPOCH + 150.0):
         first = time.time_ns()
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert isinstance(first, int)
         assert first == int((EPOCH + 150.0) * NANOSECONDS_PER_SECOND)
         second = time.time_ns()
@@ -569,7 +573,7 @@ def test_method_decorator(self):
 @time_machine.travel(EPOCH + 95.0)
 class UnitTestClassTests(TestCase):
     def test_class_decorator(self):
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert EPOCH + 95.0 < time.time() < EPOCH + 96.0
 
     @time_machine.travel(EPOCH + 25.0)
@@ -587,7 +591,7 @@ def setUpClass(cls):
         cls.custom_setupclass_ran = True
 
     def test_class_decorator(self):
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert EPOCH + 95.0 < time.time() < EPOCH + 96.0
         assert self.custom_setupclass_ran
 
@@ -649,7 +653,7 @@ def test_move_to_datetime():
         traveller.move_to(EPOCH_PLUS_ONE_YEAR_DATETIME)
 
         first = time.time()
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert first == EPOCH_PLUS_ONE_YEAR
 
         second = time.time()
@@ -717,7 +721,7 @@ def test_move_to_datetime_change_tick_on():
     with time_machine.travel(EPOCH, tick=False) as traveller:
         traveller.move_to(EPOCH_PLUS_ONE_YEAR_DATETIME, tick=True)
         assert time.time() == EPOCH_PLUS_ONE_YEAR
-        time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+        sleep_one_cycle(time.CLOCK_MONOTONIC)
         assert time.time() > EPOCH_PLUS_ONE_YEAR
 
 
@@ -768,7 +772,7 @@ def test_fixture_used_tick_false(time_machine):
 def test_fixture_used_tick_true(time_machine):
     time_machine.move_to(EPOCH, tick=True)
     original = time.time()
-    time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+    sleep_one_cycle(time.CLOCK_MONOTONIC)
     assert original == EPOCH
     assert original < time.time() < EPOCH + 10.0