def test_ff(self):
r = MemoryRepo()
base = make_commit()
c1 = make_commit(parents=[base.id])
c2 = make_commit(parents=[c1.id])
r.object_store.add_objects([(base, None), (c1, None), (c2, None)])
self.assertTrue(can_fast_forward(r, c1.id, c1.id))
self.assertTrue(can_fast_forward(r, base.id, c1.id))
self.assertTrue(can_fast_forward(r, c1.id, c2.id))
self.assertFalse(can_fast_forward(r, c2.id, c1.id))
def test_ff(self):
store = MemoryObjectStore()
base = make_commit()
c1 = make_commit(parents=[base.id])
c2 = make_commit(parents=[c1.id])
store.add_objects([(base, None), (c1, None), (c2, None)])
self.assertTrue(can_fast_forward(store, c1.id, c1.id))
self.assertTrue(can_fast_forward(store, base.id, c1.id))
self.assertTrue(can_fast_forward(store, c1.id, c2.id))
self.assertFalse(can_fast_forward(store, c2.id, c1.id))
def test_diverged(self):
store = MemoryObjectStore()
base = make_commit()
c1 = make_commit(parents=[base.id])
c2a = make_commit(parents=[c1.id], message=b'2a')
c2b = make_commit(parents=[c1.id], message=b'2b')
store.add_objects([(base, None), (c1, None), (c2a, None), (c2b, None)])
self.assertTrue(can_fast_forward(store, c1.id, c2a.id))
self.assertTrue(can_fast_forward(store, c1.id, c2b.id))
self.assertFalse(can_fast_forward(store, c2a.id, c2b.id))
self.assertFalse(can_fast_forward(store, c2b.id, c2a.id))
def test_diverged(self):
r = MemoryRepo()
base = make_commit()
c1 = make_commit(parents=[base.id])
c2a = make_commit(parents=[c1.id], message=b"2a")
c2b = make_commit(parents=[c1.id], message=b"2b")
r.object_store.add_objects([(base, None), (c1, None), (c2a, None),
(c2b, None)])
self.assertTrue(can_fast_forward(r, c1.id, c2a.id))
self.assertTrue(can_fast_forward(r, c1.id, c2b.id))
self.assertFalse(can_fast_forward(r, c2a.id, c2b.id))
self.assertFalse(can_fast_forward(r, c2b.id, c2a.id))