def test_find_nearest_in_range(series_key, value):
nearest = find_nearest(series_key, value)
assert find_less_than_or_equal(
series_key, value) <= nearest <= find_greater_than_or_equal(
series_key, value)
def test_less_than_or_equal(series_key, value):
assert find_less_than_or_equal(series_key, value) <= value
def test_less_than_or_equal_returns_value_from_series(data):
series_key = data.draw(sampled_from(ESeries))
value = data.draw(sampled_from(series(series_key)))
assert find_less_than_or_equal(series_key, value) == value
def test_find_nearest_is_nearest(series_key, value):
nearest = find_nearest(series_key, value)
lower = find_less_than_or_equal(series_key, value)
upper = find_greater_than_or_equal(series_key, value)
assert (((nearest == lower) and (nearest - lower <= upper - nearest))
or ((nearest == upper) and (upper - nearest <= nearest - lower)))