rename based on plans

ana/legacy_bpi_test.go

@@ -0,0 +1,35 @@
+package ana
+
+import (
+	"slices"
+	"testing"
+	"time"
+
+	"gogs.inhome.blapointe.com/ana-ledger/ledger"
+)
+
+func TestBPIPrediction(t *testing.T) {
+	t.Run("fixed growth", func(t *testing.T) {
+		bpis := ledger.BPIs{
+			ledger.USD: ledger.BPI{
+				"2001-01": -1000,
+				"2001-02": 100,
+			},
+		}
+
+		got, err := BPIsWithFixedGrowthPrediction(bpis, time.Hour*24*365, string(ledger.USD), 0.06)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		dates := []string{}
+		for d := range got[ledger.USD] {
+			dates = append(dates, d)
+		}
+		slices.Sort(dates)
+
+		for _, d := range dates {
+			t.Logf("%s | %s %.2f", ledger.USD, d, got[ledger.USD][d])
+		}
+	})
+}