如何模拟返回带有最小起订量的 int 的方法

发布于 2024-09-27 15:37:10 字数 2569 浏览 3 评论 0原文

我有一个类可以检索一些内容,并且它有一个方法在检索之前需要一些输入(过滤器)。其中一个“输入”调用另一个方法,该方法基本上返回一个 int,我如何使用最小起订量来模拟它?这是一个示例:

namespace MyNamespace
{
    public class ConfigMetaDataColumns : MyModel
    {
        public int FieldID { get { return ValueInt("FieldID"); } }
        public int OrderId { get { return ValueInt("OrderId"); } }
        public string Label { get { return ValueString("Label"); } }
        public string FieldName { get { return ValueString("FieldName"); } }
        public int IsReadOnly { get { return ValueInt("IsReadOnly"); } }
    }

    public class GetDataClass
    {
        protected OpenSQLAccessLayer m_WITObject;

        // Input Properties
        public string GroupID;
        public string PageName;

        // Output Properties

        /// <summary>
        /// Get Config meta data
        /// </summary>
        /// <returns></returns>
        public IEnumerable<ConfigMetaDataColumns> GetConfigMetaData()
        {
            var requester = new ListRequester<OpenSQL, ConfigMetaDataColumns>(m_WITObject, "Result[0].RowCount", "Result[0].Row[{0}].");

            return requester.Items;
        }

        public void InitRequest()
        {
            User user = (User)HttpContext.Current.User;
            m_WITObject = user.NewService<OpenSQLAccessLayer>();

            m_WITObject.SetInput("MultipleResultSets", 1);
            m_WITObject.SetInput("ClientID", Utils.GetClientID());
            m_WITObject.SetInput("GroupID", GroupID);
            m_WITObject.SetInput("PageName", PageName);
            m_WITObject.Retrieve();
        }
    }
}

这是“GetClientID()”方法:

public static int GetClientID()
        {
            User oUser = (User)HttpContext.Current.User;
            int nClientID;
            string sClientID = string.Empty;

            if (String.IsNullOrEmpty(oUser.Session("clientid")))
            {
                Client oClient = new Client();
            }

            oUser = (User)HttpContext.Current.User;
            sClientID = oUser.Session("clientid");




            //If we couldn't retrieve it, throw exception
            if ( string.IsNullOrEmpty(sClientID) || !int.TryParse(sClientID, out nClientID))
            {
                throw new Exception("No clientid found in user session, client not authenticated, please login from main page");
            }

            return nClientID;
        }

我只是在寻找一种方法来传递 ClientID 的硬编码值,并使用它来使用 GetDataClass 进行一些单元测试 类。

谢谢。

I have a class that does some retrieving of contents, and it has a method that requires some inputs (filters) before retrieving it. One of the "input" calls another method, which basically returning an int, how do I mock it using MOQ? Here's an example:

namespace MyNamespace
{
    public class ConfigMetaDataColumns : MyModel
    {
        public int FieldID { get { return ValueInt("FieldID"); } }
        public int OrderId { get { return ValueInt("OrderId"); } }
        public string Label { get { return ValueString("Label"); } }
        public string FieldName { get { return ValueString("FieldName"); } }
        public int IsReadOnly { get { return ValueInt("IsReadOnly"); } }
    }

    public class GetDataClass
    {
        protected OpenSQLAccessLayer m_WITObject;

        // Input Properties
        public string GroupID;
        public string PageName;

        // Output Properties

        /// <summary>
        /// Get Config meta data
        /// </summary>
        /// <returns></returns>
        public IEnumerable<ConfigMetaDataColumns> GetConfigMetaData()
        {
            var requester = new ListRequester<OpenSQL, ConfigMetaDataColumns>(m_WITObject, "Result[0].RowCount", "Result[0].Row[{0}].");

            return requester.Items;
        }

        public void InitRequest()
        {
            User user = (User)HttpContext.Current.User;
            m_WITObject = user.NewService<OpenSQLAccessLayer>();

            m_WITObject.SetInput("MultipleResultSets", 1);
            m_WITObject.SetInput("ClientID", Utils.GetClientID());
            m_WITObject.SetInput("GroupID", GroupID);
            m_WITObject.SetInput("PageName", PageName);
            m_WITObject.Retrieve();
        }
    }
}

This is the "GetClientID()" method:

public static int GetClientID()
        {
            User oUser = (User)HttpContext.Current.User;
            int nClientID;
            string sClientID = string.Empty;

            if (String.IsNullOrEmpty(oUser.Session("clientid")))
            {
                Client oClient = new Client();
            }

            oUser = (User)HttpContext.Current.User;
            sClientID = oUser.Session("clientid");




            //If we couldn't retrieve it, throw exception
            if ( string.IsNullOrEmpty(sClientID) || !int.TryParse(sClientID, out nClientID))
            {
                throw new Exception("No clientid found in user session, client not authenticated, please login from main page");
            }

            return nClientID;
        }

I'm just looking for a way for me to pass in a hard-coded value for the ClientID, and use this to do some unit testing with the GetDataClass class.

Thanks.

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评论(1

唯憾梦倾城 2024-10-04 15:37:10

您不能模拟静态方法。您应该使用一些依赖注入的方法。假设您将 GetClientId 方法作为名为 IUtils 的接口的一部分,如下所示:

public interface IUtils
{
    int GetClientId();
} 

并且您的具体类 Utils 已按上述方式实现,但没有方法是静态的(当然还要实现接口)。
现在,您将接口的实现注入到 GetDataClass
通过更改其构造函数来更改类,如下所示:

public class GetDataClass
{
     private readonly IUtils utils;

     public GetDataClass(IUtils utils)
     {
         this.utils = utils;
     }

     //SNIP
}

InitRequest 方法中,将调用 Utils.GetClientID() 更改为 this.utils.GetClientId()

您现在已准备好使用模拟实例化您的 GetDataClass 类,如下所示:

var utilsMock = new Mock<IUtils>();
utilsMock.Setup(u => u.GetClientId()).Returns(42);

var getDataClass = new GetDataClass(utilsMock.Object);
getDataClass.InitRequest();

就是这样。

You cannot mock a static method. You should use some means of dependency injection. Say you make your GetClientId method part of an interface called IUtils like so:

public interface IUtils
{
    int GetClientId();
} 

And you have your concrete class Utils implemented as above, but without the method being static (and implementing the interface of course).
You now inject an implementation of your interface into the GetDataClass
class by changing its constructor, like so:

public class GetDataClass
{
     private readonly IUtils utils;

     public GetDataClass(IUtils utils)
     {
         this.utils = utils;
     }

     //SNIP
}

In the InitRequest method you change the call Utils.GetClientID() to this.utils.GetClientId().

You are now ready to instantiate your GetDataClass class with a mock, like so:

var utilsMock = new Mock<IUtils>();
utilsMock.Setup(u => u.GetClientId()).Returns(42);

var getDataClass = new GetDataClass(utilsMock.Object);
getDataClass.InitRequest();

And that's it.

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