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(* |
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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 Test02; |
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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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{Execute Procedure Tests} |
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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 02 is used to perform client side testing (UDR engine emulation) for the |
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UDR Execute Procedure declared in udr_test02.pas.} |
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|
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{ TTest02 } |
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|
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TTest02 = class(TFBUDRTestBase) |
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private |
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procedure DoQuery(Attachment: IAttachment); |
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procedure DoErrorProcs(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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{ TTest02 } |
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|
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{This procedure is called to return the salary and full name of employee 24} |
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|
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procedure TTest02.DoQuery(Attachment: IAttachment); |
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var MyTestProc: TExternalProcedureWrapper; |
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Transaction: ITransaction; |
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Results: IProcedureResults; |
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begin |
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UDRPlugin.Attachment := Attachment; |
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MyTestProc := UDRPlugin.makeProcedure('MYTESTPROC','','fbudrtests!test_proc'); |
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try |
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writeln(OutFile,'Salary and Name of Employee 24'); |
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MyTestProc.InputParams[0].AsInteger := 24; |
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ParamInfo(MyTestProc.InputParams); |
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Transaction := Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit); |
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Results := MyTestProc.Execute(Transaction); |
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if Results.FetchNext then |
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begin |
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writeln(OutFile,'Salary = ',Results[0].AsString); |
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writeln(OutFile,Results[1].AsString); |
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end; |
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writeln(OutFile); |
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finally |
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MyTestProc.Free; |
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end; |
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end; |
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|
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procedure TTest02.DoErrorProcs(Attachment: IAttachment); |
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var i: integer; |
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ErrorProc: TExternalProcedureWrapper; |
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Transaction: ITransaction; |
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Results: IProcedureResults; |
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begin |
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UDRPlugin.Attachment := Attachment; |
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for i := 0 to 2 do |
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begin |
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writeln(OutFile,'Error Proc ',i); |
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ErrorProc := UDRPlugin.makeProcedure('MYERRORPROC','','fbudrtests!error_proc'); |
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try |
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ErrorProc.InputParams[0].AsInteger := i; |
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Transaction := Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit); |
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try |
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Results := ErrorProc.Execute(Transaction); |
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except on E:Exception do |
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writeln(OutFile,'Error Proc ',i,' returns with: ',E.Message); |
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end; |
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finally |
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ErrorProc.Free; |
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end; |
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end; |
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end; |
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|
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function TTest02.GetTestID: AnsiString; |
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begin |
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Result := '02'; |
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end; |
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|
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function TTest02.GetTestTitle: AnsiString; |
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begin |
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Result := 'Execute Procedure Tests'; |
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end; |
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|
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const |
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DDL: array [0..1] of Ansistring = ('create or alter procedure MyTestProc ('+ |
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'EMP_NO SMALLINT '+ |
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') returns (Salary Numeric(10,2), FullName VarChar(36)) as begin end', |
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'Create or Alter procedure MyErrorProc ('+ |
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'ErrorCase Smallint) as begin end' |
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); |
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|
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CleanUpDDL: array [0..1] of Ansistring = ('Drop procedure MyTestProc', |
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'Drop procedure MyErrorProc' |
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); |
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{The test is run using the employee database. Note that a dummy version of the |
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UDR Execute procedure 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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|
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procedure TTest02.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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if Attachment.HasProcedure('MYTESTPROC') then |
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ApplyDDL(Attachment,CleanUpDDL); |
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ApplyDDL(Attachment,DDL); |
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DoQuery(Attachment); |
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DoErrorProcs(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(TTest02); |
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|
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end. |
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