增加统一倍率调整按钮

backend/internal/billing/bulk_service_test.go

@@ -0,0 +1,51 @@
+package billing
+
+import (
+	"context"
+	"errors"
+	"math"
+	"testing"
+)
+
+type bulkStoreStub struct {
+	*quoteStoreStub
+	patch BulkPricePatch
+	err   error
+	calls int
+}
+
+func (s *bulkStoreStub) UpdateBillingPriceRules(_ context.Context, patch BulkPricePatch) ([]PriceRule, error) {
+	s.calls++
+	s.patch = patch
+	return []PriceRule{{ID: "a"}}, s.err
+}
+
+func TestUpdatePricesValidatesExplicitIDsAndNormalizesMultiplier(t *testing.T) {
+	store := &bulkStoreStub{quoteStoreStub: &quoteStoreStub{}}
+	service := NewService(store, nil)
+	for _, patch := range []BulkPricePatch{
+		{MarkupMultiplier: 1.2},
+		{RuleIDs: []string{""}, MarkupMultiplier: 1.2},
+		{RuleIDs: []string{" a"}, MarkupMultiplier: 1.2},
+		{RuleIDs: []string{"a", "a"}, MarkupMultiplier: 1.2},
+		{RuleIDs: []string{"a"}, MarkupMultiplier: 0.9},
+		{RuleIDs: []string{"a"}, MarkupMultiplier: 1000.1},
+		{RuleIDs: []string{"a"}, MarkupMultiplier: math.NaN()},
+		{RuleIDs: []string{"a"}, MarkupMultiplier: math.Inf(1)},
+	} {
+		if _, err := service.UpdatePrices(context.Background(), patch); HTTPStatus(err) != 400 {
+			t.Fatalf("patch %+v: status = %d, err = %v", patch, HTTPStatus(err), err)
+		}
+	}
+	if store.calls != 0 {
+		t.Fatalf("invalid patch reached store %d times", store.calls)
+	}
+	rules, err := service.UpdatePrices(context.Background(), BulkPricePatch{RuleIDs: []string{"a"}, MarkupMultiplier: 1.234567})
+	if err != nil || len(rules) != 1 || store.patch.MarkupMultiplier != 1.2346 {
+		t.Fatalf("rules = %+v, patch = %+v, err = %v", rules, store.patch, err)
+	}
+	store.err = ErrPriceNotFound
+	if _, err := service.UpdatePrices(context.Background(), BulkPricePatch{RuleIDs: []string{"a"}, MarkupMultiplier: 2}); HTTPStatus(err) != 404 || !errors.Is(err, ErrPriceNotFound) {
+		t.Fatalf("missing rule status = %d, err = %v", HTTPStatus(err), err)
+	}
+}