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Frictionless WCF service consumption in Silverlight - Part 3: Benefits of transparent asynchrony with respect to unit testing

, 26 May 2011
Simplifying unit testing of View Models which use asynchronous WCF service calls.
FrictSLUnitTest.zip
Source
Sample.Silverlight.WCF
Infrastructure
Actions
Services
Properties
Shared
Utility
Views
Sample.Silverlight.WCF.Tests
Properties
Sample.Silverlight.WCF.Tests.Clumsy
Properties
DataSources
Sample.Silverlight.WCF.Web.Services.Task.datasource
Service References
ServiceReference1
configuration.svcinfo
configuration91.svcinfo
Reference.svcmap
TaskService.disco
TaskService.wsdl
ServiceReferences.ClientConfig
Sample.Silverlight.WCF.Tests.Clumsy.Web
Properties
Sample.Silverlight.WCF.Web
Properties
Services
TaskService.svc
Tools
NUnit
nunit.framework.dll
nunit.silverlight.dll
Rhino.Mocks
Castle.Core-Silverlight.dll
Castle.DynamicProxy-Silverlight.dll
Rhino.Mocks 3.5.Silverlight.dll
<%@ Page Language="C#" AutoEventWireup="true" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Sample.Silverlight.WCF</title>
    <style type="text/css">
    html, body {
	    height: 100%;
	    overflow: auto;
    }
    body {
	    padding: 0;
	    margin: 0;
    }
    #silverlightControlHost {
	    height: 100%;
	    text-align:center;
    }
    </style>
    <script type="text/javascript" src="Silverlight.js"></script>
    <script type="text/javascript">
        function onSilverlightError(sender, args) {
            var appSource = "";
            if (sender != null && sender != 0) {
              appSource = sender.getHost().Source;
            }
            
            var errorType = args.ErrorType;
            var iErrorCode = args.ErrorCode;

            if (errorType == "ImageError" || errorType == "MediaError") {
              return;
            }

            var errMsg = "Unhandled Error in Silverlight Application " +  appSource + "\n" ;

            errMsg += "Code: "+ iErrorCode + "    \n";
            errMsg += "Category: " + errorType + "       \n";
            errMsg += "Message: " + args.ErrorMessage + "     \n";

            if (errorType == "ParserError") {
                errMsg += "File: " + args.xamlFile + "     \n";
                errMsg += "Line: " + args.lineNumber + "     \n";
                errMsg += "Position: " + args.charPosition + "     \n";
            }
            else if (errorType == "RuntimeError") {           
                if (args.lineNumber != 0) {
                    errMsg += "Line: " + args.lineNumber + "     \n";
                    errMsg += "Position: " +  args.charPosition + "     \n";
                }
                errMsg += "MethodName: " + args.methodName + "     \n";
            }

            throw new Error(errMsg);
        }
    </script>
</head>
<body>
    <form id="form1" runat="server" style="height:100%">
    <div id="silverlightControlHost">
        <object data="data:application/x-silverlight-2," type="application/x-silverlight-2" width="100%" height="100%">
		  <param name="source" value="ClientBin/Sample.Silverlight.WCF.xap"/>
		  <param name="onError" value="onSilverlightError" />
		  <param name="background" value="white" />
		  <param name="minRuntimeVersion" value="4.0.50401.0" />
		  <param name="autoUpgrade" value="true" />
		  <a href="http://go.microsoft.com/fwlink/?LinkID=149156&v=4.0.50401.0" style="text-decoration:none">
 			  <img src="http://go.microsoft.com/fwlink/?LinkId=161376" alt="Get Microsoft Silverlight" style="border-style:none"/>
		  </a>
	    </object><iframe id="_sl_historyFrame" style="visibility:hidden;height:0px;width:0px;border:0px"></iframe></div>
    </form>
</body>
</html>

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This article, along with any associated source code and files, is licensed under The MIT License

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About the Author

Yevhen Bobrov
Software Developer http://blog.xtalion.com
Ukraine Ukraine
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Web03 | 2.8.140916.1 | Last Updated 26 May 2011
Article Copyright 2011 by Yevhen Bobrov
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