def test_delta(self):
size = 10
step = 5
expires = 20
now_timestamp = 60
window = SlidingWindow(size, step, expires=expires)
assert window.delta(now_timestamp, 30) == (20, 35)
def test_stale_timestamp(self):
size = 10
step = 5
expires = 20
now_timestamp = 60
window = SlidingWindow(size, step, expires=expires)
for time in range(0, now_timestamp - expires):
print('TIME: %r NOW TIMESTAMP: %r' % (time, now_timestamp))
assert window.stale(time, now_timestamp) is True
def test_non_stale_timestamp(self):
size = 10
step = 5
expires = 20
now_timestamp = 60
window = SlidingWindow(size, step, expires=expires)
for time in range(now_timestamp - expires + 1, now_timestamp):
assert window.stale(time, now_timestamp) is False
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_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_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
def test_constructor(self):
x = SlidingWindow(10.1, 20.2, expires=30.3)
assert x.before == 10.1
assert x.after == 20.2
assert x.expires == 30.3