public static void Main(string[] args)
{
var host = CreateWebHostBuilder(args).Build();
using (var scope = host.Services.CreateScope())
{
var services = scope.ServiceProvider;
try
{
var context = services.
GetRequiredService <ApplicationContext>();
// Seeding de datos.
Seeding.Initialize(services);
}
catch (Exception ex)
{
var logger = services.GetRequiredService <ILogger <Program> >();
logger.LogError(ex, "An error occurred seeding the DB.");
}
}
host.Run();
}
// Creates and seeds an ApplicationContext with test data; then calls test action.
private async Task PrepareTestContext(TestAction testAction)
{
// Database is in memory as long the connection is open
var connection = new SqliteConnection("DataSource=:memory:");
try
{
connection.Open();
var options = new DbContextOptionsBuilder <ApplicationContext>()
.UseSqlite(connection)
.Options;
// Create the schema in the database and seeds with test data
using (var context = new ApplicationContext(options))
{
context.Database.EnsureCreated();
Seeding.Initialize(context);
await testAction(context);
}
}
finally
{
connection.Close();
}
}
public static async Task TestSeedDb(IHost host)
{
using (IServiceScope scope = host.Services.CreateScope())
{
var services = scope.ServiceProvider;
await Seeding.Initialize(services);
}
}
protected override void ConfigureWebHost(IWebHostBuilder builder)
{
builder.ConfigureServices(services =>
{
var dbContextDescriptor = services.Single(d => d.ServiceType == typeof(DbContextOptions <CarManagerContext>));
services.Remove(dbContextDescriptor);
services.AddDbContext <CarManagerContext>(options => options.UseInMemoryDatabase(nameof(CarManagerContext)));
using var scope = services.BuildServiceProvider().CreateScope();
var scopedProvider = scope.ServiceProvider;
var context = scopedProvider.GetRequiredService <CarManagerContext>();
if (context.Database.EnsureCreated())
{
Seeding.Initialize(context);
}
});
}
private static void CreateDbIfNotExists(IHost host)
{
using (var scope = host.Services.CreateScope())
{
var services = scope.ServiceProvider;
try
{
// Seed the Identity-related database if have not done so
var UR_context = services.GetRequiredService <UserRoleDB>();
Seeding.Initialize(UR_context);
}
catch (Exception ex)
{
var logger = services.GetRequiredService <ILogger <Program> >();
logger.LogError(ex, "An error occurred creating the DB.");
}
}
}