def test_xirr_no_negative_value():
response = handlers.xirr_handler(
{
"values": [100, 20, 40, 25],
"dates": ['2016-01-01', '2016-4-1', '2016-10-1', '2017-2-1']
}, None)
assert 'error' in response
def test_xirr_values_dates_different_length():
response = handlers.xirr_handler(
{
"values": [-100, 20, 40],
"dates": ['2016-01-01', '2016-4-1', '2016-10-1', '2017-2-1']
}, None)
assert 'error' in response
def test_xirr_missing_dates():
response = handlers.xirr_handler(
{
"values": [-100, 20, 40, 25],
"guess": 0.1
}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format("dates")
def test_xirr_missing_guess():
response = handlers.xirr_handler(
{
"values": [-100, 20, 40, 25],
"dates": ['2016-01-01', '2016-4-1', '2016-10-1', '2017-2-1']
}, None)
assert 'result' in response
assert round(response.get('result'), 5) == -0.19674
def test_xirr_missing_values():
response = handlers.xirr_handler(
{
"dates": ['2016-01-01', '2016-4-1', '2016-10-1', '2017-2-1'],
"guess": 0.1
}, None)
assert 'error' in response
assert response.get('error') == REQUIRED_PROPERTY_ERR.format("values")