private void createDefaultTable(string testTable, List <ColumnMetadata> metadata)
{
SqlClient sqlClient = getClient() as SqlClient;
deleteTable(sqlClient, testTable);
string sqlCommand;
sqlCommand = "CREATE TABLE " + testTable + " (";
foreach (ColumnMetadata cmd in metadata)
{
sqlCommand += "[" + cmd.Fieldname + "] [" + cmd.Typename + "]" + cmd.Size + " ";
if (!cmd.IsNullable)
{
sqlCommand += "NOT NULL";
}
sqlCommand += ",";
}
sqlCommand += ")";
sqlClient.ExecuteNonQueryCommand(sqlCommand);
}
public void T06_ColumnMetaDataHandling()
{
SqlClient sqlClient = (SqlClient)getClient();
// Create a small Column meta data list, one column to play with and
// the other so there is at least one valid column.
List <ColumnMetadata> cm = new List <ColumnMetadata>();
cm.Add(new ColumnMetadata() // used to play around with
{
Typename = "decimal",
Fieldname = "MyDecimal",
});
cm.Add(new ColumnMetadata() // make sure one value is there
{
Typename = "ntext",
Fieldname = "MyText",
});
string table = "_tmpTable";
List <SqlColumn> columns;
// Read property from table
cm[0].IsNullable = true;
createDefaultTable(table, cm);
columns = sqlClient.GetColumns(table);
Assert.IsTrue(columns[0].IsNullable);
cm[0].IsNullable = false;
createDefaultTable(table, cm);
columns = sqlClient.GetColumns(table);
Assert.IsFalse(columns[0].IsNullable);
// Test value conversion (nullable)
cm[0].IsNullable = true;
createDefaultTable(table, cm);
columns = sqlClient.GetColumns(table);
columns[0].ValueString = null;
columns[1].ValueString = "Hello World";
sqlClient.SetObjectValues(columns); // make sure no exception
sqlClient.Insert(columns, table); // insertion should work
// Test value conversion (not nullable)
cm[0].IsNullable = false;
createDefaultTable(table, cm);
columns = sqlClient.GetColumns(table);
columns[0].ValueString = null;
columns[1].ValueString = "Hello World";
bool exception = false;
try { sqlClient.SetObjectValues(columns); } // conversion should fail
catch { exception = true; }
Assert.IsTrue(exception);
columns[0].IsNullable = true; // force conversion to succeed
sqlClient.SetObjectValues(columns);
try { sqlClient.Insert(columns, table); } // insertion must fail now
catch { exception = true; }
Assert.IsTrue(exception);
deleteTable(sqlClient, table);
}
private void t01_connect(SqlClient sqlClient, ConnectionDefinition cd)
{
sqlClient.Connect(cd.Instance, cd.Database, cd.Username, cd.Password);
}
