feat: 添加独立其他设置菜单及有效端参数保存

internal/service/business/other_settings_test.go

@@ -0,0 +1,38 @@
+package business
+
+import (
+	"context"
+	"testing"
+
+	"kra/internal/biz/business"
+	"kra/internal/service/dto"
+)
+
+type settingsUsecaseFake struct{ calls int }
+
+func (f *settingsUsecaseFake) Get(context.Context) (*business.OtherSettings, error) {
+	value := business.DefaultOtherSettings()
+	return &value, nil
+}
+func (f *settingsUsecaseFake) Save(_ context.Context, value business.OtherSettings) (*business.OtherSettings, error) {
+	f.calls++
+	return &value, nil
+}
+
+func TestOtherSettingsServiceRequiresBothValidFields(t *testing.T) {
+	f := &settingsUsecaseFake{}
+	s := &OtherSettingsService{uc: f}
+	zero, days, negative := int64(0), int64(30), int64(-1)
+	for _, req := range []*dto.OtherSettingsRequest{nil, {}, {Amount: &zero}, {Days: &days}, {Amount: &negative, Days: &days}, {Amount: &zero, Days: &zero}} {
+		if _, err := s.Save(context.Background(), req); err != business.ErrOtherSettingsInput {
+			t.Fatalf("边界校验错误: %v", err)
+		}
+	}
+	if f.calls != 0 {
+		t.Fatal("无效输入不得进入用例")
+	}
+	res, err := s.Save(context.Background(), &dto.OtherSettingsRequest{Amount: &zero, Days: &days})
+	if err != nil || res.Amount != 0 || res.Days != 30 || res.Defaults.Amount != 3000 || f.calls != 1 {
+		t.Fatalf("DTO 转换或零值错误: %+v %v", res, err)
+	}
+}