def test_three_item_iterable_sends_three_items(self):
items = [4, 7, 2, 1, 4]
collection = CollectingSink()
sink = collection()
poisson_source(1e6, items, sink)
result = list(collection)
self.assertListEqual(result, items)
def test_three_item_iterable_sends_three_items(self):
items = [4, 7, 2, 1, 4]
collection = CollectingSink()
sink = collection()
poisson_source(1e6, items, sink)
result = list(collection)
self.assertListEqual(result, items)
def test_non_positive_rate_raises_value_error(self):
with self.assertRaises(ValueError):
poisson_source(0.0, [], None)
def test_all_consumed_exits_with_empty_iterator(self):
items = [4, 7, 2, 1, 4]
collection = CollectingSink()
sink = collection()
remaining = poisson_source(1e6, items, sink)
self.assertIsNone(iterator_or_none(remaining))
def test_closed_target_exits_with_remaining_items(self):
items = [4, 7, 2, 1, 4]
collection = SingularSink()
sink = collection()
remaining = poisson_source(1e6, items, sink)
self.assertListEqual(list(remaining), [7, 2, 1, 4])
def test_empty_iterable_sends_no_items(self):
collection = CollectingSink()
sink = collection()
poisson_source(1e6, [], sink)
self.assertEqual(len(collection), 0)
def test_non_positive_rate_raises_value_error(self):
with self.assertRaises(ValueError):
poisson_source(0.0, [], None)
def test_all_consumed_exits_with_empty_iterator(self):
items = [4, 7, 2, 1, 4]
collection = CollectingSink()
sink = collection()
remaining = poisson_source(1e6, items, sink)
self.assertIsNone(iterator_or_none(remaining))
def test_closed_target_exits_with_remaining_items(self):
items = [4, 7, 2, 1, 4]
collection = SingularSink()
sink = collection()
remaining = poisson_source(1e6, items, sink)
self.assertListEqual(list(remaining), [7, 2, 1, 4])
def test_empty_iterable_sends_no_items(self):
collection = CollectingSink()
sink = collection()
poisson_source(1e6, [], sink)
self.assertEqual(len(collection), 0)
