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2c3c408 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | from hypothesis import strategies as st
from hypothesis.strategies import composite
# Helpers for Hypothesis-Python based property tests
# (custom strategies, etc.)
@composite
def bounded_ntuple(draw, *, length=1, min_value=0, max_value=10):
"""hypothesis composite strategy that returns a `length` tuple of integers
within the range (min_value, max_value)
"""
return draw(st.tuples(*[st.integers(min_value, max_value) for _ in range(length)]))
@composite
def ranged_slices(draw, min_value=0, max_value=10):
bdd = st.one_of(st.none(), st.integers(min_value=min_value, max_value=max_value))
start = draw(bdd)
stop = draw(bdd)
step = draw(bdd)
return slice(start, stop, step)
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