Just released --> 2010 version
This tool takes a WCF trace file and a WCF client proxy, or a WCF interface contract, and generates a C# unit test that replays the same sequence of calls found
This guidance was created in a VSTS Ranger project. VSTS Rangers is a special group with members from the VSTS Product Team and Microsoft Services. Their mission is to provide out of band solutions for missing features or guidance.
Latest Release June 2009
A new beta was released in June 2009 adding support for ASMX web services. Download it from
The tool has the following main features:
- Replay of captured scenario in a unit test that can be included in a load test.
- Support for the DataContractSerializer.
- Support for message contracts.
- ASMX support (beta)
- Support for proxies generated using svcutil.
- Support for clients that create proxies at run time from contract interfaces.
- Supports calls to multiple services in a single scenario.
- Supports multiple calls to the same service operation.
- Filtering by SOAP action of which messages in the trace to replay.
- Readable and modifiable code is generated.
- Automatic association of trace message with proxy method (requires all operations to have a unique SOAP action).
- Support for client and server side traces.
- A command line tool for processing traces and generating code.
- Visual Studio 2005/2008 integration (Team Developer, Team Test, Team Suite and for 2008 also Professional)) that can be used instead of the command line tool.