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// Authors:
// Rafael Mizrahi <rafim@mainsoft.com>
// Erez Lotan <erezl@mainsoft.com>
// Oren Gurfinkel <oreng@mainsoft.com>
// Ofer Borstein
//
// Copyright (c) 2004 Mainsoft Co.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Data;
using System.Data.OleDb ;
using System.IO;
using System.Collections;
// Provide All Data required by the diffderent tests e.g.DataTable, DataRow ...
namespace MonoTests.System.Data.Utils
{
public class DataProvider
{
#region Constatntas
#region Private
//A string containing all printable charachters.
private const string SAMPLE_STRING = "abcdefghijklmnopqrstuvwxyz1234567890~!@#$%^&*()_+-=[]\\|;:,./<>? ";
#endregion
#endregion
public static DataTable CreateChildDataTable()
{
DataTable dtChild = new DataTable("Child");
dtChild.Columns.Add("ParentId",typeof(int));
dtChild.Columns.Add("ChildId",typeof(int));
dtChild.Columns.Add("String1",typeof(string));
dtChild.Columns.Add("String2",typeof(string));
dtChild.Columns.Add("ChildDateTime",typeof(DateTime));
dtChild.Columns.Add("ChildDouble",typeof(double));
dtChild.Rows.Add(new object[] {1,1,"1-String1","1-String2",new DateTime(2000,1,1,0,0,0,0),1.534});
dtChild.Rows.Add(new object[] {1,2,"2-String1","2-String2",DateTime.MaxValue ,-1.534});
dtChild.Rows.Add(new object[] {1,3,"3-String1","3-String2",DateTime.MinValue,double.MaxValue/10000});
dtChild.Rows.Add(new object[] {2,1,"1-String1","1-String2",new DateTime(1973,6,20,0,0,0,0),double.MinValue*10000});
dtChild.Rows.Add(new object[] {2,2,"2-String1","2-String2",new DateTime(2008,12,1,13,59,59,59),0.45});
dtChild.Rows.Add(new object[] {2,3,"3-String1","3-String2",new DateTime(2003,1,1,1,1,1,1),0.55});
dtChild.Rows.Add(new object[] {5,1,"1-String1","1-String2",new DateTime(2002,1,1,1,1,1,1),0});
dtChild.Rows.Add(new object[] {5,2,"2-String1","2-String2",new DateTime(2001,1,1,1,1,1,1),10});
dtChild.Rows.Add(new object[] {5,3,"3-String1","3-String2",new DateTime(2000,1,1,1,1,1,1),20});
dtChild.Rows.Add(new object[] {6,1,"1-String1","1-String2",new DateTime(2000,1,1,1,1,1,0),25});
dtChild.Rows.Add(new object[] {6,2,"2-String1","2-String2",new DateTime(2000,1,1,1,1,0,0),30});
dtChild.Rows.Add(new object[] {6,3,"3-String1","3-String2",new DateTime(2000,1,1,0,0,0,0),35});
dtChild.AcceptChanges();
return dtChild;
}
public static DataTable CreateParentDataTable()
{
DataTable dtParent = new DataTable("Parent");
dtParent.Columns.Add("ParentId",typeof(int));
dtParent.Columns.Add("String1",typeof(string));
dtParent.Columns.Add("String2",typeof(string));
dtParent.Columns.Add("ParentDateTime",typeof(DateTime));
dtParent.Columns.Add("ParentDouble",typeof(double));
dtParent.Columns.Add("ParentBool",typeof(bool));
dtParent.Rows.Add(new object[] {1,"1-String1","1-String2",new DateTime(2005,1,1,0,0,0,0),1.534,true});
dtParent.Rows.Add(new object[] {2,"2-String1","2-String2",new DateTime(2004,1,1,0,0,0,1),-1.534,true});
dtParent.Rows.Add(new object[] {3,"3-String1","3-String2",new DateTime(2003,1,1,0,0,1,0),double.MinValue*10000,false});
dtParent.Rows.Add(new object[] {4,"4-String1","4-String2",new DateTime(2002,1,1,0,1,0,0),double.MaxValue/10000,true});
dtParent.Rows.Add(new object[] {5,"5-String1","5-String2",new DateTime(2001,1,1,1,0,0,0),0.755,true});
dtParent.Rows.Add(new object[] {6,"6-String1","6-String2",new DateTime(2000,1,1,0,0,0,0),0.001,false});
dtParent.AcceptChanges();
return dtParent;
}
//This method replace the DataSet GetXmlSchema method
//used to compare DataSets
//Created by Ofer (13-Nov-03) becuase DataSet GetXmlSchema method is not yet implemented in java
public static string GetDSSchema(DataSet ds)
{
string strSchema = "DataSet Name=" + ds.DataSetName + "\n";
//Get relations
foreach (DataRelation dl in ds.Relations)
{
strSchema += "\t" + "DataRelation Name=" + dl.RelationName ;
foreach (DataColumn dc in dl.ParentColumns)
strSchema += "\t" + "ParentColummn=" + dc.ColumnName ;
foreach (DataColumn dc in dl.ChildColumns )
strSchema += "\t" + "ChildColumn=" + dc.ColumnName ;
strSchema += "\n";
}
//Get teables
foreach (DataTable dt in ds.Tables)
{
strSchema += "Table=" + dt.TableName + "\t";
//Get Constraints
strSchema += "Constraints =";
foreach (Constraint cs in dt.Constraints )
strSchema += cs.GetType().Name + ", ";
strSchema += "\n";
//Get PrimaryKey Columns
strSchema += "PrimaryKey Columns index:=";
foreach (DataColumn dc in dt.PrimaryKey)
strSchema += dc.Ordinal + ", ";
strSchema += "\n";
//Get Columns
foreach (DataColumn dc in dt.Columns)
{
strSchema += "ColumnName=" + dc.ColumnName + "\t" +
"ColumnType=" + dc.DataType.Name + "\t" +
"AllowDBNull=" + dc.AllowDBNull.ToString() + "\t" +
"DefaultValue=" + dc.DefaultValue.ToString() + "\t" +
"Unique=" + dc.Unique.ToString() + "\t" +
"ReadOnly=" + dc.ReadOnly.ToString() + "\n" ;
}
strSchema += "\n";
}
return strSchema;
}
public static DataTable CreateUniqueConstraint()
{
DataTable dt = DataProvider.CreateParentDataTable();
return CreateUniqueConstraint(dt);
}
public static DataTable CreateUniqueConstraint(DataTable dt)
{
Constraint con = new UniqueConstraint(dt.Columns["ParentId"]);
dt.Constraints.Add(con);
return dt;
}
public static void TryToBreakUniqueConstraint()
{
//Create the constraint
DataTable dt = CreateUniqueConstraint();
//Try to violate the constraint
DataRow dr1 = dt.NewRow();
dr1[0] = 1;
dt.Rows.Add(dr1);
}
public static DataSet CreateForigenConstraint()
{
DataTable parent = DataProvider.CreateParentDataTable();
DataTable child = DataProvider.CreateChildDataTable();
DataSet ds = new DataSet();
ds.Tables.Add(parent);
ds.Tables.Add(child);
Constraint con1 = new ForeignKeyConstraint(parent.Columns[0],child.Columns[0]);
child.Constraints.Add(con1);
return ds;
}
public static void TryToBreakForigenConstraint()
{
DataSet ds = CreateForigenConstraint();
//Code to break:
DataRow dr = ds.Tables[1].NewRow();
dr[0]=7;
ds.Tables[1].Rows.Add(dr);
ds.AcceptChanges();
ds.EnforceConstraints=true;
}
}
}
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