def test_single_reverse(self):
for position_type in self.position_types:
old = FeatureLocation(5, position_type(12), -1)
for offset in range(-2, 3):
new = adjust(old, offset)
assert isinstance(new.end, position_type)
assert new.end == old.end + offset
assert new.start is old.start
def test_single_forward(self):
for position_type in self.position_types:
old = FeatureLocation(position_type(5), 12, 1)
for offset in range(-2, 3):
new = adjust(old, offset)
assert isinstance(new.start, position_type)
assert new.start == old.start + offset
assert new.end is old.end
def test_compound_reverse(self):
for position_type in self.position_types:
old = CompoundLocation([FeatureLocation(15, position_type(17), -1),
FeatureLocation(5, 12, -1)])
for offset in range(-2, 3):
new = adjust(old, offset)
assert isinstance(new.end, position_type)
assert new.end == old.end + offset
assert new.parts[0].start is old.parts[0].start
for old_part, new_part in zip(old.parts[1:], new.parts[1:]):
assert old_part is new_part
def test_compound_forward(self):
for position_type in self.position_types:
old = CompoundLocation([FeatureLocation(position_type(5), 12, 1),
FeatureLocation(15, 17, 1)])
for offset in range(-2, 3):
new = adjust(old, offset)
assert isinstance(new.start, position_type)
assert new.start == old.start + offset
assert new.parts[0].end is old.parts[0].end
for old_part, new_part in zip(old.parts[1:], new.parts[1:]):
assert old_part is new_part
