def testCTwith2points(self):
# Make some points
p = Point([3,4])
q = Point([1,1])
q.updatepred(p)
# Make a covertree
ct = CoverTree()
ct.insert(p)
ct.insert(q)
r = ct.root
# The root should be p
self.assertEqual(r.point, p)
# The root should have 2 children
self.assertEqual(len(r.ch), 2)
# The children should have points 1 and 2
self.assertEqual({r.ch[0].point, r.ch[1].point}, {p,q})
# Updated leaves points to new p
self.assertEqual(ct.leaves[p].level, ct.leaves[q].level)
def test_updatepred(self):
p = Point([0])
p.updatepred(Point([100]))
self.assertEqual(p.dis, 100**2)
p.updatepred(Point([101]))
self.assertEqual(p.dis, 100**2)
p.updatepred(Point([99]))
self.assertEqual(p.dis, 99**2)
