def test_boundary_of_glucagons_peptides_using_indexes(
self, glucagon_peptides, glucagon_seq):
# all peptides
for (start, stop, seq) in glucagon_peptides:
index = glucagon_seq.index(seq)
start = SequencePoint.from_index(index)
# if len(seq) == 1, then start = stop, thus "+ len(seq) - 1"
stop = SequencePoint.from_index(index + len(seq) - 1)
self.check_boundaries(start, stop, seq, glucagon_seq)
def test_from_index_that_live_is_cut_from_peptide_elvislives_using_indexes(
self):
index = self.parent.protein_seq.index(self.parent.pep_seq)
start = SequencePoint.from_index(index)
# if len(seq) == 1, then start = stop, thus "+ len(seq) - 1"
stop = SequencePoint.from_index(index + len(self.parent.pep_seq) -
1)
self.check_boundaries(start, stop, self.parent.pep_seq,
self.parent.protein_seq)
def test_from_index_fails_when_called_with_an_instantiated_object(
self):
with pytest.raises(ValueError):
SequencePoint.from_index(SequencePoint(10))