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test balances zeroing and unzeroing

main
Bel LaPointe 2023-10-25 08:06:41 -06:00
parent fb2ed278c2
commit 0b945df7e8
2 changed files with 20 additions and 0 deletions
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3
ledger/deltas.go
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@ -50,6 +50,9 @@ func (deltas Deltas) Balances() Balances {
result[delta.Name][delta.Currency] += delta.Value result[delta.Name][delta.Currency] += delta.Value
if result[delta.Name][delta.Currency] < 0.000000001 && result[delta.Name][delta.Currency] > -0.000000001 { if result[delta.Name][delta.Currency] < 0.000000001 && result[delta.Name][delta.Currency] > -0.000000001 {
delete(result[delta.Name], delta.Currency) delete(result[delta.Name], delta.Currency)
if len(result[delta.Name]) == 0 {
delete(result, delta.Name)
}
} }
} }

17
ledger/deltas_test.go
View File

@ -3,6 +3,23 @@ package ledger
import "testing" import "testing"
func TestDeltas(t *testing.T) { func TestDeltas(t *testing.T) {
t.Run("balances", func(t *testing.T) {
deltas := Deltas{
{Name: "a", Value: 0},
{Name: "b", Value: 1},
{Name: "b", Value: -.999999999999999999999999},
{Name: "b", Value: 1.3},
}
balances := deltas.Balances()
if len(balances) != 1 {
t.Error(len(balances), balances)
}
if balances["b"][""] != 1.3 {
t.Error(balances["b"])
}
})
t.Run("register", func(t *testing.T) { t.Run("register", func(t *testing.T) {
deltas := Deltas{ deltas := Deltas{
{Date: "a", Value: 0.1}, {Date: "a", Value: 0.1},