n_swath_test.py

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#==============================================================================
#     Copyright (C) 2021-2024 Wageningen University - All Rights Reserved
#                      Author: Gonzalo Mier
#                         BSD-3 License
#==============================================================================
 
import pytest
import fields2cover as f2c
 
def near(a, b):
  assert pytest.approx(a) == pytest.approx(b)
 
def test_fields2cover_obj_n_swath_getBestValue():
  swaths = f2c.Swaths(2);
 
  obj = f2c.OBJ_NSwath()
  near(obj.computeCost(swaths), 2)
 
  for i in range(10):
    swaths.push_back(f2c.Swath());
    near(obj.computeCost(swaths), 3 + i)
 
 
def test_fields2cover_obj_n_swath_computeCost():
  swaths1 = f2c.Swaths(1);
  swaths2 = f2c.Swaths(2);
  swaths3 = f2c.Swaths(2);
  swaths_cells = f2c.SwathsByCells();
  swaths_cells.push_back(swaths2);
  swaths_cells.push_back(swaths3);
 
  obj = f2c.OBJ_NSwath();
 
  near(obj.computeCost(swaths1), 1.0);
  near(obj.computeCostWithMinimizingSign(swaths1), 1.0);
 
  near(obj.computeCost(swaths2), 2.0);
  near(obj.computeCostWithMinimizingSign(swaths2), 2.0);
 
  near(obj.computeCost(swaths3), 2.0);
  near(obj.computeCostWithMinimizingSign(swaths3), 2.0);
 
  near(obj.computeCost(swaths_cells), 4.0);
  near(obj.computeCostWithMinimizingSign(swaths_cells), 4.0);
 
  swaths3.emplace_back(f2c.Swath());
  near(obj.computeCost(swaths3), 3.0);
 
  swaths3.emplace_back(f2c.Swath());
  near(obj.computeCost(swaths3), 4.0);
 
def test_fields2cover_obj_n_swath_paramsCheck():
  objective = f2c.OBJ_NSwath();
 
  assert not (objective.isMaximizing());
  assert (objective.isMinimizing());