def test_combine_opposites_with_flip(self):
flow_a = cashflows.FlowConf(flow_type="inflow",
time=1,
value=100,
currency="mxn")
flow_b = cashflows.FlowConf(flow_type="outflow",
time=1,
value=50,
currency="mxn")
flow_b.combine(flow_a)
self.assertTrue((flow_b.value == 50) and (flow_a.type == flow_b.type))
def test_combine_opposites_no_flip(self):
common_time = 1
common_currency = "mxn"
flow_a = cashflows.FlowConf(flow_type="inflow",
time=common_time,
value=100,
currency=common_currency)
flow_b = cashflows.FlowConf(flow_type="outflow",
time=common_time,
value=50,
currency=common_currency)
flow_a.combine(flow_b)
self.assertTrue((flow_a.value == 50) and (flow_a.type != flow_b.type))
def test_combine_outflows(self):
f_type = "outflow"
common_time = 1
common_currency = "mxn"
flow_a = cashflows.FlowConf(flow_type=f_type,
time=common_time,
value=100,
currency=common_currency)
flow_b = cashflows.FlowConf(flow_type=f_type,
time=common_time,
value=50,
currency=common_currency)
flow_a.combine(flow_b)
self.assertTrue(flow_a.value == 100 + 50)
def test_cash_inflow(self):
flow_a = cashflows.FlowConf(flow_type="inflow",
time=5,
value=100,
currency="mxn")
self.assertTrue(isinstance(flow_a, cashflows.FlowConf))
def test_cash_outflow(self):
flow_a = cashflows.FlowConf(flow_type="outflow",
time=0,
value=7,
currency="mxn")
self.assertTrue(isinstance(flow_a, cashflows.FlowConf))