def testProgressiveFuture(self):
"""
Only tests a simple ProgressiveFuture
"""
self.cancelled = 0
self.start = None
self.end = None
future = ProgressiveFuture()
future.task_canceller = self.cancel_task
now = time.time()
# try to update progress
future.set_progress(end=now + 1)
future.add_update_callback(self.on_progress_update)
future.set_progress(end=now + 2) # should say about 2 s left
self.assertEqual(self.end, now + 2)
# before being started, start should always be (a bit) in the future
self.assertGreaterEqual(self.start, now)
# "start" the task
future.set_running_or_notify_cancel()
self.assertTrue(0 <= time.time() - self.start < 0.1)
time.sleep(0.1)
now = time.time()
future.set_progress(end=now + 1)
self.assertTrue(0.9 <= self.end - time.time() < 1)
# try to cancel while running
future.cancel()
self.assertTrue(future.cancelled())
self.assertRaises(CancelledError, future.result, 1)
self.assertLessEqual(self.end, time.time())
self.assertEqual(self.cancelled, 1)
def testProgressiveFuture(self):
"""
Only tests a simple ProgressiveFuture
"""
self.cancelled = 0
self.start = None
self.end = None
future = ProgressiveFuture()
future.task_canceller = self.cancel_task
now = time.time()
# try to update progress
future.set_progress(end=now + 1)
future.add_update_callback(self.on_progress_update)
future.set_progress(end=now + 2) # should say about 2 s left
self.assertEqual(self.end, now + 2)
# before being started, start should always be (a bit) in the future
self.assertGreaterEqual(self.start, now)
# "start" the task
future.set_running_or_notify_cancel()
self.assertTrue(0 <= time.time() - self.start < 0.1)
time.sleep(0.1)
now = time.time()
future.set_progress(end=now + 1)
self.assertTrue(0.9 <= self.end - time.time() < 1)
# try to cancel while running
future.cancel()
self.assertTrue(future.cancelled())
self.assertRaises(CancelledError, future.result, 1)
self.assertLessEqual(self.end, time.time())
self.assertEqual(self.cancelled, 1)
def test_progress(self):
"""Test progress update for future."""
self.start = None # for the caller
self.end = None # for the caller
now = time.time()
# start is default time now if not specified
future = ProgressiveFuture(end=now + 1)
future.task_canceller = self.cancel_task
# caller request future to indicate change in time estimation
future.add_update_callback(self.on_progress_update)
# update the progress
future.set_progress(end=now + 2)
# check end time was updated
self.assertEqual(self.end, now + 2)
# future not running yet, so start should be after "now"
self.assertGreaterEqual(self.start, now)
# "start" the task (set the future running)
future.set_running_or_notify_cancel()
# the progress should be updated and thus .start should be updated now with the current time
expected_start = time.time()
self.assertTrue(expected_start - 0.1 <= self.start <= expected_start)
time.sleep(0.1) # wait a bit
now = time.time()
# while running, update the estimated ending time
future.set_progress(end=now + 1)
# the progress should be updated and thus .end should be in 1 sec from now
expected_end = now + 1
self.assertTrue(expected_end - 0.1 <= self.end <= expected_end)
def testProgressiveFuture(self):
"""
Only tests a simple ProgressiveFuture
"""
self.cancelled = 0
self.past = None
self.left = None
future = ProgressiveFuture()
future.task_canceller = self.cancel_task
now = time.time()
# try to update progress
future.set_end_time(now + 1)
future.add_update_callback(self.on_progress_update)
future.set_end_time(now + 2) # should say about 2 s left
self.assertTrue(1.9 <= self.left < 2)
self.assertLessEqual(self.past, 0)
# "start" the task
future.set_running_or_notify_cancel()
self.assertTrue(0 <= self.past < 0.1)
time.sleep(0.1)
now = time.time()
future.set_end_time(now + 1)
self.assertTrue(0.9 <= self.left < 1)
# try to cancel while running
future.cancel()
self.assertTrue(future.cancelled())
self.assertRaises(CancelledError, future.result, 1)
self.assertEqual(self.left, 0)
self.assertEqual(self.cancelled, 1)
def testProgressiveFuture(self):
"""
Only tests a simple ProgressiveFuture
"""
self.cancelled = 0
self.past = None
self.left = None
future = ProgressiveFuture()
future.task_canceller = self.cancel_task
now = time.time()
# try to update progress
future.set_end_time(now + 1)
future.add_update_callback(self.on_progress_update)
future.set_end_time(now + 2) # should say about 2 s left
self.assertTrue(1.9 <= self.left < 2)
self.assertLessEqual(self.past, 0)
# "start" the task
future.set_running_or_notify_cancel()
self.assertTrue(0 <= self.past < 0.1)
time.sleep(0.1)
now = time.time()
future.set_end_time(now + 1)
self.assertTrue(0.9 <= self.left < 1)
# try to cancel while running
future.cancel()
self.assertTrue(future.cancelled())
self.assertRaises(CancelledError, future.result, 1)
self.assertEqual(self.left, 0)
self.assertEqual(self.cancelled, 1)