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Boilerplate for an assembly initialization class to map the datadirectory and reset the local db for unit testing in C# using Entity Framework
public class Initalize
public static void InitializeDbContext(TestContext context)
// Connection string in app.config should use LocalDb, EG:
// <add name="DefaultConnection" connectionString="Data Source=(LocalDb)\v11.0;AttachDbFilename=|DataDirectory|\DefaultConnection.mdf;Initial Catalog=DefaultConnection;Integrated Security=True" providerName="System.Data.SqlClient" />
AppDomain.CurrentDomain.SetData("DataDirectory", context.TestDeploymentDir);
Database.SetInitializer(new DropCreateDatabaseAlways<ApplicationDbContext>());
// Load test data
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