def test_mut_sum_equal_sum_mut(self):
frac1 = Fraction(2, 3)
frac2 = Fraction(7, 5)
frac3 = Fraction(5, 2)
res = (frac1 + frac2) * frac3
res1 = frac1 * frac3 + frac2 * frac3
self.assertTrue(res.p == res1.p and res.q == res1.q)
def test_can_convert_to_continuous_1071_462(self):
frac = Fraction(1071, 462)
expected_coefficients = [2, 3, 7]
for actual, expected in zip(frac.to_continuous(),
expected_coefficients):
self.assertEqual(actual, expected)
def test_can_fraction_create(self):
frac = Fraction(-1, 2)
self.assertTrue(frac.is_equal(-1, 2))
def test_can_create_str_from_fraction(self):
frac = Fraction(p=1, q=2)
self.assertEqual(str(frac), '1/2')
def test_can_create_1_5_fraction(self):
frac = Fraction(1, 5)
self.assertTrue(frac.is_equal(1, 5))
def test_mul_frations(self):
frac_1 = Fraction(1, 2)
frac_2 = Fraction(3, 4)
res = frac_2 * frac_1
self.assertTrue(res.is_equal(3, 8))
def test_minus(self):
frac = Fraction(2, 5)
frac_two = Fraction(1, 5)
result = frac - frac_two
self.assertTrue(result.is_equal(1, 5))
def test_div_fraction_by_zero(self):
f1 = Fraction(-2, 4)
f2 = Fraction(0, 3)
with self.assertRaises(InvalidFractionError):
f1 / f2
def test_sum_frations(self):
frac_1 = Fraction(1, 2)
frac_2 = Fraction(3, 4)
res = frac_1 + frac_2
self.assertTrue(res.is_equal(5, 4))
def test_add_zero_fraction(self):
frac_1 = Fraction(0, 1)
frac_2 = Fraction(1, 2)
result = frac_1 + frac_2
self.assertTrue(result.is_equal(1, 2))
def test_reducing_fraction(self):
fraction = Fraction(3, 6)
self.assertTrue(fraction.is_equal(1, 2))
def test_multyply_reverse_fraction(self):
frac_1 = Fraction(1, 2)
frac_2 = Fraction(2, 1)
result = frac_1 * frac_2
self.assertTrue(result.is_equal(1, 1))
def test_multiply_zero_fraction(self):
frac_1 = Fraction(0, 1)
frac_2 = Fraction(1, 2)
result = frac_1 * frac_2
self.assertTrue(result.is_equal(0, 1))
def test_fraction_mul(self):
f1 = Fraction(1, 3)
f2 = Fraction(3, 2)
m = f1 * f2
self.assertTrue(m.is_equal(1, 2))
def test_fraction_reduce(self):
f = Fraction(2, 10)
self.assertTrue(f.is_equal(1, 5))
def test_sum_fraction(self):
frac_1 = Fraction(-1, 2)
frac_2 = Fraction(1, 2)
result = frac_1 + frac_2
self.assertTrue(result.is_equal(0, 1))
def test_truediv_of_reverse_fractions(self):
frac_1 = Fraction(1, 3)
frac_2 = Fraction(2, 6)
result = frac_1 / frac_2
self.assertTrue(result.is_equal(1, 1))
def test_multiply_negative_fraction(self):
frac_1 = Fraction(-1, 3)
frac_2 = Fraction(1, 2)
result = frac_1 * frac_2
self.assertTrue(result.is_equal(-1, 6))
def test_sum_fractions(self):
first_fraction = Fraction(3, 5)
second_fraction = Fraction(1, 3)
result = first_fraction + second_fraction
self.assertTrue(result.is_equal(14, 15))
def test_div_sum_equal_sum_div(self):
frac1 = Fraction(10, 2)
frac2 = Fraction(-5, 2)
frac3 = Fraction(7, 2)
frac = frac1 + frac2 + frac3
self.assertTrue(frac.is_equal(6, 1))
def test_mul_fraction(self):
f1 = Fraction(-2, 4)
f2 = Fraction(-1, 3)
result = f1 * f2
self.assertTrue(result.is_equal(1, 6))
def test_multiply_two_positive_fractions(self):
frac_1 = Fraction(5, 6)
frac_2 = Fraction(5, 7)
result = frac_1 * frac_2
self.assertTrue(result.is_equal(25, 42))
def test_sum_fraction(self):
f1 = Fraction(2, 4)
f2 = Fraction(1, 3)
result = f1 + f2
self.assertTrue(result.is_equal(5, 6))
def test_can_create_5_6_fraction(self):
frac = Fraction(5, 6)
self.assertTrue(frac.is_equal(5, 6))
def test_sub_frations(self):
frac_1 = Fraction(1, 2)
frac_2 = Fraction(3, 4)
res = frac_2 - frac_1
self.assertTrue(res.is_equal(1, 4))
def test_sum_fraction_1_2_1_2(self):
frac_1 = Fraction(1, 2)
frac_2 = Fraction(3, 4)
result = frac_1 + frac_2
self.assertTrue(result.is_equal(5, 4))
def test_can_create_fraction(self):
fraction = Fraction()
self.assertTrue(isinstance(fraction, Fraction))
def test_multiply_fraction(self):
frac_1 = Fraction(1, 2)
frac_2 = Fraction(3, 4)
result = frac_1 * frac_2
self.assertTrue(result.is_equal(3, 8))
def test_init_with_zero_raise(self):
with self.assertRaises(InvalidFractionError):
Fraction(1, 0)
def test_default_fraction_is_0_1(self):
frac = Fraction()
self.assertTrue(frac.is_equal(0, 1))