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  • First published by
  • When: 3 Nov 2011 4:03 PM
  • Last revision by (cMVP, Microsoft Community Contributo)
  • When: 20 Sep 2013 4:55 PM
  • Revisions: 3
  • Comments: 2
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Wiki  >  TechNet Articles  >  Using XML File as Data Source for Visual Studio Data Driven Testing

Using XML File as Data Source for Visual Studio Data Driven Testing

Using XML File as Data Source for Visual Studio Data Driven Testing

Scenario :
  Using XML file as data source for Data driven testing in Visual studio 2010 Ultimate
Error Observed: The unit test adapter failed to connect to the data source or to read the data. For more information on troubleshooting this error, see "Troubleshooting Data-Driven Unit Tests" (http://go.microsoft.com/fwlink/?LinkId=62412) in the MSDN Library.
Error details: Object reference not set to an instance of an object.

Resolution:
Please use following attributes on the test methods:
[TestMethod]
[DataSource("Microsoft.VisualStudio.TestTools.DataSource.XML","|DataDirectory|\\TestDataSource.xml","TestData", DataAccessMethod.Sequential)]
public void DemoTest()
{

}

Make sure to add the XML file as Deployment Item i.e.
1) Add this attribute to the test method 

[DeploymentItem(@"\\<Path>\TestDataSource.xml")]


        Or
        2) Go to test setting and add the XML file as deployment item
        Or
        3) Right click on the XML file - go to properties of the file and set copy to output directory = copy always
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  • 20 Sep 2013 4:55 PM

    Richard Mueller edited Revision 1. Comment: Modified title casing, added tags, removed tag "MS"

  • 11 Jan 2012 7:21 PM

    Nevin Janzen edited Original. Comment: Tags Edit

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Comments
  • Posted by
    on 11 Jan 2012 7:21 PM

    Nevin Janzen edited Original. Comment: Tags Edit

  • Posted by
    on 20 Sep 2013 4:55 PM

    Richard Mueller edited Revision 1. Comment: Modified title casing, added tags, removed tag "MS"

Page 1 of 1 (2 items)