def test_ppmt_handler():
# TODO test data types
response = handlers.ppmt_handler(
{
"rate": 0.10,
"per": 1,
"nper": 3,
"pv": 1000
}, None)
assert 'result' in response
assert round(response.get('result'), 6) == -302.114804
response = handlers.ppmt_handler(
{
"rate": 0.10,
"per": 1,
"nper": 3,
"pv": 1000,
"fv": 2000
}, None)
assert 'result' in response
assert round(response.get('result'), 6) == -906.344411
response = handlers.ppmt_handler(
{
"rate": 0.10,
"per": 1,
"nper": 3,
"pv": 1000,
"fv": 2000,
"type": 1
}, None)
assert 'result' in response
assert round(response.get('result'), 6) == -914.858555
def test_ppmt_missing_pv():
response = handlers.ppmt_handler({
"rate": 0.10,
"per": 1,
"nper": 3,
}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format("pv")