def test_returns_100_given_100_input(self):
compound_interest = CompoundInterest(100, 10, 0)
self.assertEqual(100, compound_interest.amount_returned())
def test_returns_0_given_0_input(self):
compound_interest = CompoundInterest(0, 1, 0.1)
self.assertEqual(0, compound_interest.amount_returned())
def test_returns_181point94_point81_given_above(self):
compound_interest = CompoundInterest(100, 10, 0.06)
self.assertEqual(181.94, compound_interest.amount_returned())
def test_returns_149058point55_given_above(self):
compound_interest = CompoundInterest(100000, 8, 0.05)
self.assertEqual(149058.55, compound_interest.amount_returned())
def test_returns_732_point81_given_100(self):
compound_interest = CompoundInterest(100, 20, 0.1)
self.assertEqual(732.81, compound_interest.amount_returned())