def test_simple_interest(self):
"""
Test that the calculation of the simple interest method
"""
simpcalc = FinanceCalcs.SimpleFinanceCalc()
simple_args = {'principal': 228.39,
'interest_rate': 3.49,
'time': 5}
result = simpcalc.s_interest(**simple_args)
pass_result = {'interest': 39.854054999999995,
'interest_rate': 3.49,
'principal': 228.39,
'time': 5}
self.assertEqual(result, pass_result)
def test_compound_pv_pmt(self):
"""
Test Compound Present Value to Payment method
"""
compcalc = FinanceCalcs.CompoundFinanceCalc()
staffordloans_pv = {'present_value': 131598.83,
"interest_rate": 3.7,
"time": 10,
"periods": 12}
result = compcalc.c_pv2pmt(**staffordloans_pv)
pass_result = {'present_value': 131598.83,
'interest_rate': 3.7000000000000006,
'pmt': 1313.69171513367,
'time': 10,
'periods': 12}
self.assertEqual(result, pass_result)
def test_compound_present_value(self):
"""
Test Compound Future Value method
"""
compcalc = FinanceCalcs.CompoundFinanceCalc()
graduateplus_pv = {'principal': 139492.06,
"interest_rate": 4.5,
"time": 10,
"periods": 12}
result = compcalc.c_presentvalue(**compcalc.c_futurevalue(**graduateplus_pv))
pass_result = {'future_value': 218583.05036866403,
'interest_rate': 4.5,
'periods': 12,
'present_value': 139492.06,
'time': 10}
self.assertEqual(result, pass_result)
def test_present_value(self):
"""
Test that the calculation of present value method
"""
simpcalc = FinanceCalcs.SimpleFinanceCalc()
simple_args2 = {'future_value': 268.244055,
'interest': 39.854054999999995,
'interest_rate': 3.49,
'principal': 228.39,
'time': 5}
pass_result = {'interest_rate': 3.49,
'present_value': 228.39,
'principal': None, 'time': 5}
result = simpcalc.s_present_value(**simple_args2)
self.assertEqual(result, pass_result)
def test_compound_pmt_fv(self):
"""
Test Compound Future Value to Payment method
"""
compcalc = FinanceCalcs.CompoundFinanceCalc()
staffordloans_pv = {'future_value': 131598.83,
"interest_rate": 3.7,
"time": 10,
"periods": 12}
result = compcalc.c_pmt2fv(**compcalc.c_fv2pmt(**staffordloans_pv))
pass_result = {'future_value': 131598.83,
'interest_rate': 3.7000000000000006,
'pmt': 907.9286559670032,
'time': 10,
'periods': 12}
self.assertEqual(result, pass_result)
help="Calculate Payment to Compound Future Value")
parser.add_argument("-camort",
"--c_amort",
action='store_true',
required=False,
help="Calculate Amortization Schedule")
parser.parse_args()
args = parser.parse_args()
if args.calc_type == 'smp':
simpargs = {
'principal': args.principal,
'interest_rate': args.interest,
'time': args.time
}
simplecalc = FinanceCalcs.SimpleFinanceCalc()
if args.simple_interest:
simplecalc.s_interest(**simpargs)
elif args.s_future_value:
simplecalc.s_future_value(**simpargs)
elif args.s_present_value:
simplecalc.s_present_value(**simplecalc.s_future_value(**simpargs))
else:
compoundcalc = FinanceCalcs.CompoundFinanceCalc()
compound_args = {
'principal': args.principal,
'interest_rate': args.interest,
'time': args.time,
'periods': args.compound_periods
}
if args.c_future_value: