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//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0, as
// published by the Free Software Foundation.
//
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// which is part of MySQL Connector/NET, is also subject to the
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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.Extensions.Logging;
using MySql.Data.EntityFrameworkCore.Tests.DbContextClasses;
using MySql.Data.MySqlClient;
using Xunit;

namespace MySql.Data.EntityFrameworkCore.Tests
{
  public partial class ConnectionTests
  {
    [Fact]
    public void CanCreateConnectionString()
    {
      using (var connection = CreateConnection(CreateOptions(), new Logger<MySQLServerConnection>(new LoggerFactory())))
      {
        Assert.IsType<MySqlConnection>(connection.DbConnection);
      }
    }

    [Fact]
    public void CanCreateMainConnection()
    {
      using (var connection = CreateConnection(CreateOptions(), new Logger<MySQLServerConnection>(new LoggerFactory())))
      {
        using (var master = connection.CreateSystemConnection())
        {
          var csb = new MySqlConnectionStringBuilder(master.ConnectionString);
          var csb1 = new MySqlConnectionStringBuilder(MySQLTestStore.baseConnectionString + "database=mysql");
          Assert.True(csb.Database == csb1.Database);
          Assert.True(csb.Port == csb1.Port);
          Assert.True(csb.Server == csb1.Server);
          Assert.True(csb.UserID == csb1.UserID);
        }
      }
    }

    public static IDbContextOptions CreateOptions()
    {
      var optionsBuilder = new DbContextOptionsBuilder();
      optionsBuilder.UseMySQL(MySQLTestStore.baseConnectionString + "database=test;");
      return optionsBuilder.Options;
    }

    [Fact]
    public void TransactionTest()
    {
      using (var context = new SakilaLiteUpdateContext())
      {
        context.InitContext(false);
      }

      using (MySqlConnection connection = new MySqlConnection(MySQLTestStore.GetContextConnectionString<SakilaLiteUpdateContext>()))
      {
        connection.Open();

        using (MySqlTransaction transaction = connection.BeginTransaction())
        {

          MySqlCommand command = connection.CreateCommand();
          command.CommandText = "DELETE FROM actor";
          command.ExecuteNonQuery();

          var options = new DbContextOptionsBuilder<SakilaLiteUpdateContext>()
            .UseMySQL(connection)
            .Options;

          using (var context = new SakilaLiteUpdateContext(options))
          {
            context.Database.UseTransaction(transaction);
            context.Actor.Add(new Actor
            {
              FirstName = "PENELOPE",
              LastName = "GUINESS"
            });
            context.SaveChanges();
          }

          transaction.Commit();
        }
      }
    }
  }
}
