def test_npv_missing_values():
response = handlers.npv_handler({
"rate": 0.281,
}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format("values")
def test_npv_handler():
# TODO test data types
response = handlers.npv_handler(
{
"rate": 0.1,
"values": [-10000, 3000, 4200, 6800]
}, None)
assert 'result' in response
assert round(response.get('result'), 5) == 1188.44341
def test_npv_handler():
# TODO test data types
# TODO Why doesn't the Excel calc match the NumPy calc?
response = handlers.npv_handler(
{
"rate": 0.1,
"values": [-1000, 3000, 4200, 6800]
}, None)
assert 'result' in response
assert round(response.get('result'), 8) == 1188.44341
def test_npv_handler():
# TODO test data types
# TODO Why doesn't the Excel calc match the NumPy calc?
response = handlers.npv_handler(
{
"rate": 0.1,
"values": [-1000, 3000, 4200, 6800]
}, None)
assert 'result' in response
assert response.get('result') == pytest.approx(
10307.287753568744) #1188.44341
def test_npv_missing_rate():
response = handlers.npv_handler({"values": [-100, 39, 59, 55, 20]}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format("rate")