def test_set_abundance_initialized():
a = MinHash(1, 4, track_abundance=False)
a.add_sequence('ATGC')
with pytest.raises(RuntimeError) as e:
a.track_abundance = True
assert "Can only set track_abundance=True if the MinHash is empty" in e.value.args[0]
def test_reset_abundance_initialized():
a = MinHash(1, 4, track_abundance=True)
a.add_sequence('ATGC')
# If we had a minhash with abundances and drop it, this shouldn't fail.
# Convert from Abundance to Regular MinHash
a.track_abundance = False
assert a.get_mins(with_abundance=True) == [12415348535738636339]