def test_solution_inequality(self):
solution_obj1 = solution.SolutionFactory(csv_data).get_solution()
solution_obj2 = solution.SolutionFactory(csv_data).get_solution()
self.assertNotEqual(
solution_obj1, solution_obj2,
"These two solution.Solutions should not be equal")
def test_solution_equality(self):
solution_obj1 = solution.SolutionFactory(csv_data).get_solution()
solution_obj2 = solution.Solution(csv_data,
solution_obj1.operation_2d_array)
self.assertEqual(solution_obj1, solution_obj2,
"These two solution.Solutions should be equal")
def test_incomplete_solution(self):
try:
solution_obj = solution.SolutionFactory(csv_data).get_solution()
solution.Solution(
csv_data, np.delete(solution_obj.operation_2d_array, 0,
axis=0))
self.fail("Failed to raise solution.IncompleteSolutionException")
except IncompleteSolutionException:
pass
def test_infeasible_solution(self):
try:
solution_obj = solution.SolutionFactory(csv_data).get_solution()
solution_obj.operation_2d_array[[
0, 200
]] = solution_obj.operation_2d_array[[200, 0]]
solution.Solution(csv_data, solution_obj.operation_2d_array)
self.fail("Failed to raise solution.InfeasibleSolutionException")
except InfeasibleSolutionException:
pass
def test_solution_less_than(self):
solution_obj1 = solution.SolutionFactory(csv_data).get_solution()
solution_obj2 = solution.Solution(csv_data,
solution_obj1.operation_2d_array)
solution_obj2.makespan -= 1
self.assertLess(solution_obj2, solution_obj1,
"solution_obj2 should be less than solution_obj1")
solution_obj2.makespan += 1
solution_obj2.machine_makespans[0] -= 1
self.assertLess(solution_obj2, solution_obj1,
"solution_obj2 should be less than solution_obj1")
def test_pickle_to_file(self):
solution_obj = solution.SolutionFactory(csv_data).get_solution()
with open(tmp_dir / 'test_solution.pkl', 'wb') as fout:
pickle.dump(solution_obj, fout)
self.assertTrue((tmp_dir / 'test_solution.pkl').exists(),
"The pickled solution does not exist")
with open(tmp_dir / 'test_solution.pkl', 'rb') as fin:
solution_obj_pickled = pickle.load(fin)
self.assertEqual(
solution_obj, solution_obj_pickled,
"The pickled solution should be equal to solution_obj")
def test_solution_in_list(self):
sol1 = solution.SolutionFactory(csv_data).get_solution()
sol2 = solution.Solution(csv_data, sol1.operation_2d_array)
lst = [sol1]
self.assertIn(sol2, lst)
def test_sorting_solutions(self):
lst = sorted(solution.SolutionFactory(csv_data).get_n_solutions(50))
for i in range(1, len(lst)):
self.assertLess(lst[i - 1], lst[i],
"lst should be in sorted order")