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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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|
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{$IFDEF MSWINDOWS} |
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{$DEFINE WINDOWS} |
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{$ENDIF} |
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|
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{$IFDEF FPC} |
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{$mode delphi} |
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{$codepage utf8} |
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{$ENDIF} |
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|
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interface |
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|
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uses |
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Classes, SysUtils, TestApplication, FBUDRTestApp, IB, FBUdrPlugin; |
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|
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type |
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|
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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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|
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{ TTest04 } |
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|
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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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|
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|
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implementation |
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|
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{ TTest04 } |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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initialization |
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RegisterTest(TTest04); |
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|
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end. |
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