def test_random_sample_size(noop_scenario):
candidates = [make_dummy_object() for x in range(100)]
for x in range(len(candidates) + 1):
sample = noop_scenario.filter_random_sample(candidates, {"size": x})
assert len(sample) == x
for elem in sample:
assert elem in candidates
def test_random_sample_percentage(noop_scenario):
candidates = [make_dummy_object() for x in range(100)]
for x in range(101):
percentage = x / 100.00
sample = noop_scenario.filter_random_sample(candidates,{"ratio":percentage})
assert len(sample) == int(percentage * len(candidates))
for elem in sample:
assert elem in candidates
def test_random_doesnt_pass_on_empty_criterion(noop_scenario):
candidates = [make_dummy_object() for x in range(100)]
for x in range(101):
sample = noop_scenario.filter_random_sample(candidates, None)
assert len(sample) == 0
