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How to: Upgrade a Visual Studio 2010 Custom Test Condition from a Previous Release to SQL Server Data Tools

To use a test unit condition that you created in a version prior to SQL Server Data Tools, you must upgrade it:

Update References

To update the project references:

  1. Visual Basic only, in Solution Explorer , click Show All Files .

  2. In Solution Explorer , expand the References node.

  3. Right-click the following assembly references and click Remove :

    1. Microsoft.Data.Schema.UnitTesting

    2. Microsoft.Data.Schema

  4. On the Project menu, or by right-clicking the project folder in Solution Explorer , click Add Reference .

  5. Click the .NET tab.

  6. In the Component Name list, select System.ComponentModel.Composition and click OK .

  7. Add the required assembly references. Right-click the project node and then click Add Reference . Click Browse and navigate to the C:\Program Files (x86)\Microsoft SQL Server\110\DAC\Bin folder. Choose Microsoft.Data.Tools.Schema.Sql.dll and click Add, then click OK.

  8. On the Project menu, click Unload Project .

  9. Right-click on the Project in Solution Explorer and choose Editproject_name.csproj .

  10. Add the following Import statement after the import of Microsoft.CSharp.targets:

    <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\SSDT\Microsoft.Data.Tools.Schema.Sql.UnitTesting.targets" Condition="'$(VisualStudioVersion)' == ''" />
    
    <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.Sql.UnitTesting.targets" Condition="'$(VisualStudioVersion)' != ''" />
    
  11. Save the file and close it. Right-click on the project in Solution Explorer and choose Reload Project .

  12. Open the test condition class and remove all using statements that begin with Microsoft.Data.Schema . The easiest way to do this is to right-click on the file and choose Organize Usings and then Remove and Sort . The following using statements must be removed:

    using Microsoft.Data.Schema.UnitTesting;
    using Microsoft.Data.Schema.UnitTesting.Conditions;
    using Microsoft.Data.Schema.Extensibility;
    using Microsoft.Data.Schema;
    
  13. Add the following using statements to the file if they are not present:

    using System.ComponentModel;
    using Microsoft.Data.Tools.Schema.Sql.UnitTesting;
    using Microsoft.Data.Tools.Schema.Sql.UnitTesting.Conditions;
    
    

Your test condition now uses SQL Server unit testing assembly references.

Update Class Attributes and Type References

Replace the older unit testing class attributes with a new attribute. SQL Server unit testing extensibility is now based on the Managed Extensibility Framework (MEF). You must also update some type references.

Update Class Attributes

Update your code as follows:

  1. Remove the DatabaseSchemaProviderCompatibility attribute(s). This (these) were required by the previous version's extensibility feature and are not supported in SQL Server unit testing.

  2. Remove the DisplayName attribute. The display name is included in the new attribute.

  3. Add the new ExportTestCondition attribute. This attribute must be present for your test condition to be discovered and used in SQL Server unit testing. ExportTestCondition and replaces the DatabaseSchemaProviderCompatibility attribute(s). ExportTestCondition takes two parameters:

    • DisplayName is the first parameter. This replaces the DisplayName attribute and is used to describe all test conditions of this type.

    • The second parameter is used to uniquely identify your extension. You can simply pass in your type using typeof(NewTestCondition), since this should be unique. However a string ID can also be passed, if preferred.

  4. Your class definition should change as follows:

    Before:

    [DatabaseSchemaProviderCompatibility(typeof(DatabaseSchemaProvider))]
    [DatabaseSchemaProviderCompatibility(null)]
    [DisplayName("NewTestCondition")]
    public class NewTestCondition:TestCondition
    {
       // Additional implementation to be added here
    }
    
    After:

    [ExportTestCondition("NewTestCondition ", typeof(NewTestCondition))]
    public class NewTestCondition:TestCondition
    {
       // Additional implementation to be added here
    }
    

Update Type References

Some type names have changed in the SQL Server unit testing framework. To update your code to use the new type names, use Find and Replace from the Edit menu. Type names now begin with Sql . Class names should be updated as follows:

 

Old Type Name New Type Name

ExecutionResult

SqlExecutionResult

Install the Upgraded Test Condition

In previous versions of database unit testing, you may have been required to install your test condition into the global assembly cache, or to create an XML file containing your assembly information. With SQL Server unit testing, this additional process is no longer required. (For more information, see Walkthrough: Using a Custom Test Condition to Verify the Results of a Stored Procedure.

After you update your references, verify that your assembly is signed and compiled.

Next, copy the assembly file from the output directory, by default, My Documents\Visual Studio 2010\Projects\<yoursolutionname>\<yourprojectname>\bin\Debug\) to %Program Files%\Microsoft Visual Studio <Version>\Common7\IDE\Extensions\Microsoft\SQLDB\TestConditions directory. When Visual Studio starts, it will identify any extensions in the TestConditions directory and make them available for use in the session:

Upgrade Existing Tests that Need to Use the New Test Condition

Locate all test projects that use the old test condition and that need to use the new condition. Make sure these test projects are upgraded. For more information, see Upgrade an Older Test Project Containing Database Unit Tests.

Remove the assembly reference to the old test condition.

Add a new SQL Server unit test to the project to create an assembly reference to the upgraded test condition in the project. A test class must be added to create the reference. You can delete the test class after the reference is added.

See Also



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