ana-ledger/ledger/register_test.go

40 lines
1000 B
Go

package ledger
import (
"testing"
)
func TestRegisterPredictContribution(t *testing.T) {
// 1n t0 w weight 4
// 2n t1 w weight 2
// 4n t2 w weight 1
input := map[string]Balances{
"2001-01": Balances{"X": Balance{USD: 1}},
"2001-02": Balances{"X": Balance{USD: 2}},
"2001-03": Balances{"X": Balance{USD: 3}},
"2001-04": Balances{"X": Balance{USD: 4}},
"2001-05": Balances{"X": Balance{USD: 5}},
"2001-06": Balances{"X": Balance{USD: 6}},
"2001-07": Balances{"X": Balance{USD: 8}},
"2001-08": Balances{"X": Balance{USD: 10}},
"2001-09": Balances{"X": Balance{USD: 12}},
"2001-10": Balances{"X": Balance{USD: 16}},
}
// 1x4 weight 4 = 16
// 2x2 weight 2 = 8
// 4x1 weight 1 = 4
// (16+8+4) / (4+2+1) = 4
got, err := RegisterWithContributionPrediction(input, .12)
if err != nil {
t.Fatal(err)
}
if len(got) != len(input)+1 {
t.Error(len(got))
}
if balance, ok := got["2001-11"]; !ok {
t.Error(ok)
} else if balance["X"][USD] != 20.0 {
t.Error(balance)
}
}