def test_genome_chunk(self):
poss = [5, 7, 8, 10, 11, 12]
chroms = ['c1'] * len(poss)
poss = numpy.array(poss)
chroms = numpy.array(chroms)
varis = VariationsArrays()
varis[POS_FIELD] = poss
varis[CHROM_FIELD] = chroms
# empty before
varis.get_genome_chunk('c1', 1, 4)
