def test_get_mutation_sample_locations(popsize, nlocs, nexp, mock_LocIdx):
"""Test sample size draws for the mutation sample."""
mock_src_file = Path("source.py")
mock_sample = [GenomeGroupTarget(*i) for i in [(mock_src_file, mock_LocIdx)] * popsize]
result = run.get_mutation_sample_locations(mock_sample, nlocs)
assert len(result) == nexp
def test_get_mutation_sample_locations_ValueError(nloc, mock_LocIdx):
"""Zero and negative integer sample sizes raise a value error."""
ggt = [GenomeGroupTarget(Path("src.py"), mock_LocIdx)]
with pytest.raises(ValueError):
_ = run.get_mutation_sample_locations(ggt, nloc)