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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.
//
// This program is also distributed with certain software (including
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// as designated in a particular file or component or in included license
// documentation.  The authors of MySQL hereby grant you an
// additional permission to link the program and your derivative works
// with the separately licensed software that they have included with
// MySQL.
//
// Without limiting anything contained in the foregoing, this file,
// which is part of MySQL for Visual Studio, is also subject to the
// Universal FOSS Exception, version 1.0, a copy of which can be found at
// http://oss.oracle.com/licenses/universal-foss-exception.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License, version 2.0, for more details.
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Xunit;
using MySql.Data.VisualStudio.SchemaComparer;
using MySql.Data.MySqlClient;


namespace MySql.VisualStudio.Tests
{
  public class SchemaComparerTests
  {
    [Fact]
    public void Comparison1()
    {
      MySqlConnection src = new MySqlConnection( "server=localhost; userid=root; database=DbCmp1; port=3305;" );
      MySqlConnection dst = new MySqlConnection("server=localhost; userid=root; database=DbCmp2; port=3305;");

      MySqlConnection mon = new MySqlConnection("server=localhost; userid=root; database=mysql; port=3305;");
      try
      {
        mon.Open();
        MySqlScript scr = new MySqlScript(mon);
        scr.Query = @"delimiter //
          drop database if exists DbCmp1 //
          drop database if exists DbCmp2 //
          create database DbCmp1 //
          create database DbCmp2 //";
        scr.Execute();
      }
      finally
      {
        mon.Close();
      }
      try
      {
        src.Open();
        dst.Open();
        MySqlScript scrSrc = new MySqlScript( src,"delimiter // create table t1( a int, b int, d int ) //" );
        MySqlScript scrDst = new MySqlScript(dst, "delimiter // create table t1( a int, c int, d bit ) //");
        scrSrc.Execute();
        scrDst.Execute();
        scrSrc.Query = @"delimiter // CREATE PROCEDURE simpleproc (OUT param1 INT)
     BEGIN
       SELECT 1 INTO param1;
     END //";
        scrDst.Query = @"delimiter // CREATE PROCEDURE simpleproc (OUT param1 INT)
     BEGIN
       SELECT 1 + 1 INTO param1;
     END //";
        scrSrc.Execute();
        scrDst.Execute();
      }
      finally
      {
        src.Close();
        dst.Close();
      }
       
      Comparer cmp = new Comparer(src, dst);
      ComparerResult result = cmp.Compare();
      
      // Now check results
      ComparerResultItem[] validResultDst = new ComparerResultItem[] {
        new ComparerResultItem( ComparerResultItemType.Equal, null, "t1.a", ObjectType.Column, "t1" ),          
        new ComparerResultItem( ComparerResultItemType.Missing, null, "t1.c", ObjectType.Column, "t1" ),
        new ComparerResultItem( ComparerResultItemType.Different, null, "t1.d", ObjectType.Column, "t1" ),
        new ComparerResultItem( ComparerResultItemType.Different, null, "simpleproc", ObjectType.StoredProcedure, "dbcmp1" )
      };
      ComparerResultItem[] validResultSrc = new ComparerResultItem[] {
        new ComparerResultItem( ComparerResultItemType.Equal, null, "t1.a", ObjectType.Column, "t1" ),
        new ComparerResultItem( ComparerResultItemType.Missing, null, "t1.b", ObjectType.Column, "t1" ),
        new ComparerResultItem( ComparerResultItemType.Different, null, "t1.d", ObjectType.Column, "t1" ),
        new ComparerResultItem( ComparerResultItemType.Different, null, "simpleproc", ObjectType.StoredProcedure, "dbcmp2" )
      };

      Assert.True(validResultDst.Length == result.DiffsInDst.Count);
      Assert.True(validResultSrc.Length == result.DiffsInSrc.Count);

      string scriptSrc;
      string scriptDst;
      cmp.GetScript(result, true, out scriptSrc, out scriptDst);

      cmp.GetScript(result, false, out scriptSrc, out scriptDst);
    }
  }
}
