Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/pkg/model/currency_test.go

@@ -0,0 +1,41 @@
+package model
+
+import (
+	"errors"
+	"testing"
+
+	"git.sendico.io/tech/sxchnge/bff/pkg/merrors"
+	"git.sendico.io/tech/sxchnge/bff/pkg/moneybase"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMaxCurrencyScaleUsesSharedMoneyBaseRange(t *testing.T) {
+	require.Equal(t, moneybase.MaxScale, MaxCurrencyScale)
+}
+
+func TestNormalizeExplicitCurrencyScalesNormalizesKeys(t *testing.T) {
+	scales, err := NormalizeExplicitCurrencyScales(map[Currency]uint32{"usd": 2, "usdt": 6})
+	require.NoError(t, err)
+
+	usd, err := CurrencyScale(scales, "USD")
+	require.NoError(t, err)
+	require.Equal(t, uint32(2), usd)
+
+	usdt, err := CurrencyScale(scales, "USDT")
+	require.NoError(t, err)
+	require.Equal(t, uint32(6), usdt)
+}
+
+func TestCurrencyScaleRejectsUnconfiguredCurrency(t *testing.T) {
+	_, err := CurrencyScale(map[Currency]uint32{"USD": 2}, "KWD")
+
+	require.Error(t, err)
+	require.True(t, errors.Is(err, merrors.ErrInvalidArg), "err=%v", err)
+}
+
+func TestNormalizeExplicitCurrencyScalesRejectsMissingScales(t *testing.T) {
+	_, err := NormalizeExplicitCurrencyScales(nil)
+
+	require.Error(t, err)
+	require.True(t, errors.Is(err, merrors.ErrInvalidArg), "err=%v", err)
+}