def test_random_choice_error():
"""random_choice should raise an error when probabilities do not sum
to one."""
rstate = RandomState(0)
p = rstate.rand(10)
p /= p.sum()
p *= 1.001
with pytest.raises(ValueError):
nestle.random_choice(10, p=p, rstate=rstate)
def test_random_choice_error():
"""random_choice should raise an error when probabilities do not sum
to one."""
rstate = RandomState(0)
p = rstate.rand(10)
p /= p.sum()
p *= 1.001
with pytest.raises(ValueError):
nestle.random_choice(10, p=p, rstate=rstate)
def test_random_choice():
"""nestle.random_choice() is designed to mimic np.random.choice(),
for numpy < v1.7.0. In cases where we have both, test that they agree.
"""
rstate = RandomState(0)
p = rstate.rand(10)
p /= p.sum()
for seed in range(10):
rstate.seed(seed)
i = rstate.choice(10, p=p)
rstate.seed(seed)
j = nestle.random_choice(10, p=p, rstate=rstate)
assert i == j
def test_random_choice():
"""nestle.random_choice() is designed to mimic np.random.choice(),
for numpy < v1.7.0. In cases where we have both, test that they agree.
"""
rstate = RandomState(0)
p = rstate.rand(10)
p /= p.sum()
for seed in range(10):
rstate.seed(seed)
i = rstate.choice(10, p=p)
rstate.seed(seed)
j = nestle.random_choice(10, p=p, rstate=rstate)
assert i == j