def test_current_range_is_latest_range(self):
size = 57
step = 23
timestamp = 456
window = SlidingWindow(size, step, expires=30)
ranges = window.ranges(timestamp)
current_range = window.current(timestamp)
assert current_range == ranges[-1]
def test_earliest_range_is_first_range(self):
size = 100
step = 15
timestamp = 3223
window = SlidingWindow(size, step, expires=30)
ranges = window.ranges(timestamp)
earliest_range = window.earliest(timestamp)
assert earliest_range == ranges[0]
def test_has_ranges_including_the_value(self):
size = 10
step = 5
timestamp = 6
window = SlidingWindow(size, step, expires=30)
window_ranges = window.ranges(timestamp)
assert len(window_ranges) == 1
for range in window_ranges:
assert range[0] <= timestamp
assert range[1] > timestamp