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(* Firebird UDR Support (fbudrtestbed). The fbudr components provide a set of
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* Pascal language bindings for the Firebird API in support of server
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* side User Defined Routines (UDRs). The fbudr package is an extension
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* to the Firebird Pascal API.
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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 Test04;
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{$IFDEF MSWINDOWS}
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{$DEFINE WINDOWS}
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{$ENDIF}
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{$IFDEF FPC}
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{$mode delphi}
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{$codepage utf8}
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{$ENDIF}
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interface
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uses
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Classes, SysUtils, TestApplication, FBUDRTestApp, IB, FBUdrPlugin;
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type
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{Test 04 is used to perform client side testing (UDR engine emulation) for the
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UDR Trigger declared in udr_test04.pas.}
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{ TTest04 }
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TTest04 = class(TFBUDRTestBase)
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private
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procedure DoQuery(Attachment: IAttachment);
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protected
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function GetTestID: AnsiString; override;
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function GetTestTitle: AnsiString; 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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{ TTest04 }
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procedure TTest04.DoQuery(Attachment: IAttachment);
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var MyTestTrigger: TExternalTriggerWrapper;
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Transaction: ITransaction;
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begin
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UDRPlugin.Attachment := Attachment;
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MyTestTrigger := UDRPlugin.makeTrigger('MyEmployeeUpdate','fbudrtests!my_employee_update','EMPLOYEE',1{trigger_before});
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try
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writeln(OutFile,'Update EMPLOYEE 2');
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Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taRollback);
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MyTestTrigger.OldValues[0].AsInteger := 2;
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MyTestTrigger.OldValues[3].AsString := '250';
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MyTestTrigger.NewValues[3].AsString := '999';
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MyTestTrigger.Execute(Transaction,2{update trigger});
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writeln(OutFile);
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finally
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MyTestTrigger.Free;
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end;
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end;
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function TTest04.GetTestID: AnsiString;
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begin
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Result := '04';
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end;
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function TTest04.GetTestTitle: AnsiString;
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begin
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Result := 'UDR Trigger Test';
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end;
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const
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DDL: array [0..1] of Ansistring =
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('Alter Table EMPLOYEE Add PREVIOUS_PHONE_EXT VarChar(4)',
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'Create or Alter Trigger MyEmployeeUpdate Active After Update On EMPLOYEE '+
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'as begin end'
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);
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CleanUpDDL: array [0..1] of Ansistring =
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('drop trigger MyEmployeeUpdate',
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'Alter Table EMPLOYEE drop PREVIOUS_PHONE_EXT'
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);
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{The test is run using the employee database. Note that dummy versions of the
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UDR Trigger must be declared in the database in order to generate the input
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and output parameter metadata. These are always (re-)defined when the test is
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started and removed at the end.
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}
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procedure TTest04.RunTest(CharSet: AnsiString; SQLDialect: integer);
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var Attachment: IAttachment;
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DPB: IDPB;
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begin
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DPB := FirebirdAPI.AllocateDPB;
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DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName);
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DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword);
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DPB.Add(isc_dpb_lc_ctype).setAsString(CharSet);
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DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(SQLDialect);
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Attachment := FirebirdAPI.OpenDatabase(Owner.GetEmployeeDatabaseName,DPB);
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try
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ApplyDDL(Attachment,DDL);
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DoQuery(Attachment);
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finally
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ApplyDDL(Attachment,CleanUpDDL);
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Attachment.Disconnect;
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end;
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end;
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initialization
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RegisterTest(TTest04);
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end.
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