def test_copy(self):
node1 = Node('47.0', '8.0', 10)
node2 = node1.copy()
self.assertTrue(node1.latitude == node2.latitude)
self.assertTrue(node1.longitude == node2.longitude)
self.assertTrue(node1.osm_id == node2.osm_id)
def test_add_meter(self):
node1 = Node('47.0', '8.0', 10)
node2 = node1.add_meter(3000, 4000)
distance = node1.get_distance_in_meter(node2)
self.assertTrue(3900 < distance < 4100)
