Category: CRM

Hi,

Recently we wrote a plugin assembly that was calling a rest service using WebChannelFactory.

// wcf interface

[ServiceContract]

public interface IAutoNumber
 {
 /// <summary>
 /// Gets the next number.
 /// </summary>
 /// <param name="value">The value.</param>
 /// <returns>the next incremental value</returns>
 [WebGet(UriTemplate = "getsequencenumber/{value}")]
 [OperationContract]
 string GetNextNumber(string value);
 }

// plugin code

using (
 var webChannelFactory =
 new WebChannelFactory<IAutoNumber>(
 new Uri(dictionaryConfigSettings[Constants.AutoNumberServiceUrl])))
 {
 IAutoNumber client = webChannelFactory.CreateChannel();
 // get the next number from sequence
 autoNumber = Constants.PrefixClient +
 AddPadding(client.GetNextNumber(Constants.EntityNameClient),
 Constants.PrefixClientLength);

if (entity.Attributes.Contains("name"))
 {
 // add the value to the name property bag input parameter for the client record being created
 entity.Attributes["name"] = autoNumber;
 }
 else
 {
 entity.Attributes.Add("name", autoNumber);
 }
 }

Next we had to write the unit test case for the plugin using Microsoft Fakes. 
Below is the code that we used
</span></pre>
using (ShimsContext.Create())
 {
 ShimChannelFactory<IAutoNumber>.Constructor = factory => { };
 IAutoNumber autoNumber = new StubIAutoNumber
 {
 GetNextNumberString = s => { return "12345"; }
 };
 ShimChannelFactory<IAutoNumber>.AllInstances.CreateChannel = factory => { return autoNumber; };
 var preClientCreate = new PreClientCreate();
 preClientCreate.Execute(serviceProvider);
 }


Hope it helps.

		

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