def test_mirr_missing_values():
response = handlers.mirr_handler(
{
"finance_rate": 0.12,
"reinvest_rate": 0.10
}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format("values")
def test_mirr_values_too_few():
response = handlers.mirr_handler(
{
"values": [100],
"reinvest_rate": 0.10,
"finance_rate": 0.12
}, None)
assert 'error' in response
assert "is too short" in response.get('error')
def test_mirr_missing_reinvest_rate():
response = handlers.mirr_handler(
{
"values": [-1000, 300, 400, 400, 300],
"finance_rate": 0.12,
}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format(
"reinvest_rate")
def test_mirr_handler():
# TODO test data types & empty values array
response = handlers.mirr_handler(
{
"values": [-1000, 300, 400, 400, 300],
"finance_rate": 0.12,
"reinvest_rate": 0.10
}, None)
assert 'result' in response
assert round(response.get('result'), 5) == 0.12876
def test_mirr_values_missing_neg():
response = handlers.mirr_handler(
{
"values": [100, 200],
"reinvest_rate": 0.10,
"finance_rate": 0.12
}, None)
assert 'error' in response
assert response.get(
'error'
) == "MIRR requires at least one positive and one negative value"
