def test_number_of_digits(self):
number = 123
k = Karatsuba()
resultado = k.number_of_digits(number)
self.assertEquals(resultado,3)
def test_define_m_power(self):
number1 = 123
number2 = 12345
k = Karatsuba()
self.assertEquals(k.define_m_power(number1,number2),1)
def test_divide_number_in_two_parts(self):
number = 12345
k = Karatsuba()
(left_part_returned,right_part_returned) = k.divide_number_in_two_parts(number,2)
self.assertEquals(123,left_part_returned)
self.assertEquals(45,right_part_returned)
def test_divide_number_in_two_parts_two_digits(self):
number = 12
k = Karatsuba()
(left_part_returned,right_part_returned) = k.divide_number_in_two_parts(number,1)
self.assertEquals(1,left_part_returned)
self.assertEquals(2,right_part_returned)
def test_multiply_one_number_with_one_digit(self):
number_1 = 1200
number_2 = 2
expected_result = 2400
k = Karatsuba()
returned_result = k.multiply(number_1,number_2)
self.assertEquals(expected_result,returned_result)
def test_multiply_numbers_with_different_number_of_digits(self):
number_1 = 12000
number_2 = 56
expected_result = 672000
k = Karatsuba()
returned_result = k.multiply(number_1,number_2)
self.assertEquals(expected_result,returned_result)
def test_multiply(self):
number_1 = 1234
number_2 = 5678
expected_result = 7006652
k = Karatsuba()
returned_result = k.multiply(number_1,number_2)
self.assertEquals(expected_result,returned_result)