public void TestNoDbMigrationNeeded()
{
using var dbContext = new MemCheckDbContext(new DbContextOptionsBuilder <MemCheckDbContext>().UseSqlServer(@"Server=none;Database=none;Trusted_Connection=True;").Options);
var relationalDependencies = dbContext.GetService <RelationalConventionSetBuilderDependencies>();
var relationalModelConvention = new RelationalModelConvention(dbContext.GetService <ProviderConventionSetBuilderDependencies>(), relationalDependencies);
var modelSnapshot = (IConventionModel)dbContext.GetService <IMigrationsAssembly>().ModelSnapshot.Model;
var finalizedSnapshotModel = relationalModelConvention.ProcessModelFinalized(modelSnapshot).GetRelationalModel();
var possiblyModifiedModel = dbContext.Model.GetRelationalModel();
var changes = dbContext.GetService <IMigrationsModelDiffer>().GetDifferences(finalizedSnapshotModel, possiblyModifiedModel);
Assert.AreEqual(0, changes.Count, "A DB model update is needed - Run dotnet ef migrations add - " + string.Join(',', changes.Select(change => change.ToString())));
}
private static IMigrationsAssembly GetMigrationsAssembly()
{
using var dbContext = new MemCheckDbContext(new DbContextOptionsBuilder <MemCheckDbContext>().UseSqlServer(@"Server=none;Database=none;Trusted_Connection=True;").Options);
IMigrationsAssembly?result = dbContext.GetService <IMigrationsAssembly>();
Assert.IsNotNull(result);
return(result);
}
private static IRelationalModel GetModelFromMigrations()
{
var migrationsAssembly = GetMigrationsAssembly();
IModel migrationsAssemblyModel = migrationsAssembly.ModelSnapshot?.Model !;
if (migrationsAssemblyModel is IMutableModel mutableModel)
{
migrationsAssemblyModel = mutableModel.FinalizeModel();
}
using var dbContext = new MemCheckDbContext(new DbContextOptionsBuilder <MemCheckDbContext>().UseSqlServer(@"Server=none;Database=none;Trusted_Connection=True;").Options);
migrationsAssemblyModel = dbContext.GetService <IModelRuntimeInitializer>().Initialize(migrationsAssemblyModel);
var result = migrationsAssemblyModel.GetRelationalModel();
return(result);
}
