class TestForViewModel(unittest.TestCase):
def setUp(self):
self.view_model = ViewModel()
def test_check_number_or_rows_in_init(self):
self.assertEqual(self.view_model.get_number_of_rows(), 3)
def test_check_init_matrix_by_zero_values(self):
self.assertEqual(self.view_model.get_matrix_as_list(), [[0]*3]*3)
def test_check_init_matrix_by_non_zero_values(self):
content = [[2, 1, 2], [0, 3, 0], [3, 1, 1]]
self.view_model.update_matrix_content(content)
self.assertEqual(self.view_model.get_matrix_as_list(), [[2, 1, 2], [0, 3, 0], [3, 1, 1]])
def test_get_number_of_rows(self):
self.view_model.set_number_of_rows(4)
self.assertEqual(self.view_model.get_number_of_rows(), 4)
def test_change_matrix_rank(self):
self.view_model.set_number_of_rows(4)
self.assertEqual(self.view_model.init_zero_matrix_with_new_rank_value(), [[0]*4]*4)
def test_calculate_determinant(self):
content = [[2, 1, 2], [0, 3, 0], [3, 1, 1]]
self.view_model.update_matrix_content(content)
self.assertEqual(self.view_model.calculate_determinant(), -12)
def test_set_answer(self):
answer_str = '1'
self.view_model.set_answer(answer_str)
self.assertEqual(self.view_model.answer, answer_str)
def test_check_correct_answer(self):
content = [[2, 1, 2], [0, 3, 0], [3, 1, 1]]
self.view_model.update_matrix_content(content)
self.view_model.calculate_determinant()
self.assertEqual(self.view_model.answer, -12)
