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(*
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* IBX Test suite. This program is used to test the IBX non-visual
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* components and provides a semi-automated pass/fail check for each test.
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2021 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit Test16;
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{$mode objfpc}{$H+}
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{Test 16: TIBTable in master/detail relationship}
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{ Description
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Open two tables: DEPARATMENT (Master) and EMPLOYEE (Slave) from example
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database and navigate in a master/detail relationship.
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Update employee record to illustrate update returning.
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Insert employee record to illustrate insert returning and generator
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Delete Employee record
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Rollback transaction
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}
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interface
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uses
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Classes, SysUtils, TestApplication, IBXTestBase, DB, IB, IBTable,
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IBCustomDataset;
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const
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aTestID = '16';
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aTestTitle = 'TIBTable in master/detail relationship';
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type
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{ TTest16 }
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TTest16 = class(TIBXTestBase)
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private
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FDepartmentTable: TIBTable;
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FEmployeeTable: TIBTable;
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FDataSource: TDataSource;
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procedure HandleDeptOpen(aDataSet: TDataSet);
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protected
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procedure CreateObjects(Application: TTestApplication); override;
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function GetTestID: AnsiString; override;
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function GetTestTitle: AnsiString; override;
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procedure InitTest; override;
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public
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procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
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end;
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implementation
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{ TTest16 }
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procedure TTest16.HandleDeptOpen(aDataSet: TDataSet);
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begin
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FEmployeeTable.Active := true;
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end;
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procedure TTest16.CreateObjects(Application: TTestApplication);
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begin
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inherited CreateObjects(Application);
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FDepartmentTable := TIBTable.Create(Application);
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with FDepartmentTable do
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begin
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Database := IBDatabase;
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TableName := 'DEPARTMENT';
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IndexFieldNames := 'DEPT_NO';
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ReadOnly := true;
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AfterOpen := @HandleDeptOpen;
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end;
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FDataSource := TDataSource.Create(Application);
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FDataSource.DataSet := FDepartmentTable;
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FEmployeeTable := TIBTable.Create(Application);
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with FEmployeeTable do
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begin
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Database := IBDatabase;
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TableName := 'EMPLOYEE';
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MasterSource := FDataSource;
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IndexFieldNames := 'DEPT_NO';
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MasterFields := 'DEPT_NO';
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with GeneratorField do
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begin
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ApplyOnEvent := gaeOnNewRecord;
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Field := 'EMP_NO';
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Generator := 'EMP_NO_GEN';
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end;
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end;
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end;
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function TTest16.GetTestID: AnsiString;
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begin
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Result := aTestID;
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end;
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function TTest16.GetTestTitle: AnsiString;
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begin
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Result := aTestTitle;
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end;
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procedure TTest16.InitTest;
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begin
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inherited InitTest;
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IBDatabase.DatabaseName := Owner.GetEmployeeDatabaseName;
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ReadWriteTransaction;
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end;
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procedure TTest16.RunTest(CharSet: AnsiString; SQLDialect: integer);
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begin
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IBDatabase.Connected := true;
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IBTransaction.Active := true;
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try
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FDepartmentTable.Active := true;
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writeln(OutFile);
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writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
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PrintDataSet(FEmployeeTable);
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if FDepartmentTable.Locate('DEPT_NO','600',[]) then
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begin
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writeln(OutFile);
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writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
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PrintDataSet(FEmployeeTable);
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end
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else
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writeln(OutFile,'Unable to locate Dept 600');
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if FDepartmentTable.Locate('DEPT_NO','621',[]) then
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begin
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writeln(OutFile);
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writeln(OutFile,'Department No ',FDepartmentTable.FieldByName('DEPT_NO').AsString,' Selected');
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PrintDataSet(FEmployeeTable);
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end
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else
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writeln(OutFile,'Unable to locate Dept 621');
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writeln(OutFile);
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writeln(OutFile,'Update Row with Computed Field');
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with FEmployeeTable do
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begin
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Edit;
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FieldByName('FIRST_NAME').AsString := 'Boris';
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Post;
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end;
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PrintDataSetRow(FEmployeeTable);
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finally
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IBTransaction.Rollback;
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IBDatabase.Connected := false;
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end;
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end;
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initialization
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RegisterTest(TTest16);
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end.
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