def test_computing_composition(self):
t = PolyViewModel()
t.set_first_poly('1,2,3')
t.set_second_poly('4,5,6,7')
t.set_operation('*')
t.computing()
self.assertEqual('4x^5 + 13x^4 + 28x^3 + 34x^2 + 32x + 21', t.get_result())
def test_computing_sub(self):
t = PolyViewModel()
t.set_first_poly('1,2,3')
t.set_second_poly('4,5,6,7')
t.set_operation('-')
t.computing()
self.assertEqual('-4x^3 + -4x^2 + -4x + -4', t.get_result())
def test_computing_with_er_val(self):
t = PolyViewModel()
t.set_first_poly('1,2,3,a')
t.set_second_poly('4,5,6,7')
t.set_operation('-')
t.computing()
self.assertEqual('Coeff has no type int', t.get_result())
def test_computing_add(self):
t = PolyViewModel()
t.set_first_poly('1,2,3')
t.set_second_poly('4,5,6,7')
t.set_operation('+')
t.computing()
self.assertEqual('4x^3 + 6x^2 + 8x + 10', t.get_result())