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(* |
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* Firebird Interface (fbintf) Test suite. This program is used to |
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* test the Firebird Pascal Interface and provide a semi-automated |
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* 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) 2016 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 Test2; |
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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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{Test 2: Open the employee database and run a query} |
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{ This test opens the employee example databases with the supplied user name/password |
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and runs a simple query with no parameters. Note that the password parameter |
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is first supplied empty and then updated. |
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Both the output metadata and the query plan are printed out, followed by the results of the query. |
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A specific employee record is then queried, first using a positional parameter |
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and then a parameter by name. In each case, the SQL Parameter metadata is also |
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printed followed by the query results. |
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Finally, the database is explicitly disconnected. |
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} |
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interface |
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uses |
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Classes, SysUtils, TestApplication, FBTestApp, IB; |
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type |
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{ TTest2 } |
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TTest2 = class(TFBTestBase) |
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private |
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procedure DoQuery(Attachment: IAttachment); |
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procedure DoScrollableQuery(Attachment: IAttachment); |
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public |
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function TestTitle: AnsiString; override; |
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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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{ TTest2 } |
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procedure TTest2.DoQuery(Attachment: IAttachment); |
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var Transaction: ITransaction; |
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Statement: IStatement; |
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begin |
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Transaction := Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit); |
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PrintTPB(Transaction.getTPB); |
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Statement := Attachment.Prepare(Transaction, |
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'-- SQL style inline comment' + LineEnding + |
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'/* this is a comment */ '+ |
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'Select First 3 * from EMPLOYEE' |
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,3); |
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PrintMetaData(Statement.GetMetaData); |
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writeln(OutFile,'Plan = ' ,Statement.GetPlan); |
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writeln(OutFile,Statement.GetSQLText); |
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writeln(OutFile); |
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ReportResults(Statement); |
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Statement := Attachment.Prepare(Transaction,'Select * from EMPLOYEE Where EMP_NO = ?',3); |
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writeln(OutFile,Statement.GetSQLText); |
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ParamInfo(Statement.SQLParams); |
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Statement.GetSQLParams[0].AsInteger := 8; |
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ReportResults(Statement); |
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writeln(OutFile,'With param names'); |
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Statement := Attachment.PrepareWithNamedParameters(Transaction, |
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'Select * from EMPLOYEE Where EMP_NO = :EMP_NO',3,false,false,'Test Cursor'); |
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Statement.SetRetainInterfaces(true); |
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try |
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writeln(OutFile,Statement.GetSQLText); |
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ParamInfo(Statement.SQLParams); |
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Statement.GetSQLParams.ByName('EMP_NO').AsInteger := 8; |
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ReportResults(Statement,true); |
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finally |
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Statement.SetRetainInterfaces(false); |
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end; |
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end; |
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procedure TTest2.DoScrollableQuery(Attachment: IAttachment); |
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var Transaction: ITransaction; |
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Statement: IStatement; |
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Results: IResultSet; |
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begin |
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writeln(Outfile,'Scollable Cursors'); |
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Transaction := Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit); |
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Statement := Attachment.Prepare(Transaction,'Select * from EMPLOYEE order by EMP_NO',3); |
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Results := Statement.OpenCursor(true); |
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writeln(Outfile,'Do Fetch Next:'); |
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if Results.FetchNext then |
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ReportResult(Results); |
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writeln(Outfile,'Do Fetch Last:'); |
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if Results.FetchLast then |
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ReportResult(Results); |
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writeln(Outfile,'Do Fetch Prior:'); |
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if Results.FetchPrior then |
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ReportResult(Results); |
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writeln(Outfile,'Do Fetch First:'); |
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if Results.FetchFirst then |
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ReportResult(Results); |
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writeln(Outfile,'Do Fetch Abs 8 :'); |
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if Results.FetchAbsolute(8) then |
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ReportResult(Results); |
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writeln(Outfile,'Do Fetch Relative -2 :'); |
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if Results.FetchRelative(-2) then |
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ReportResult(Results); |
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writeln(Outfile,'Do Fetch beyond EOF :'); |
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if Results.FetchAbsolute(150) then |
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ReportResult(Results) |
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else |
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writeln(Outfile,'Fetch returned false'); |
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end; |
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function TTest2.TestTitle: AnsiString; |
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begin |
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Result := 'Test 2: Open the employee database and run a query'; |
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end; |
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procedure TTest2.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(' '); |
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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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DPB.Find(isc_dpb_password).setAsString(Owner.GetPassword); |
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try |
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Attachment := FirebirdAPI.OpenDatabase(Owner.GetEmployeeDatabaseName,DPB); |
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except on e: Exception do |
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writeln(OutFile,'Open Database fails ',E.Message); |
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end; |
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writeln(OutFile,'Opening ',Owner.GetEmployeeDatabaseName); |
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Attachment := FirebirdAPI.OpenDatabase(Owner.GetEmployeeDatabaseName,DPB); |
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writeln(OutFile,'Database Open, SQL Dialect = ',Attachment.GetSQLDialect); |
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DoQuery(Attachment); |
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Attachment.Disconnect; |
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writeln(OutFile,'Now open the employee database as a local database'); |
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DPB := FirebirdAPI.AllocateDPB; |
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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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DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName); |
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if FirebirdAPI.GetClientMajor < 3 then |
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DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword); |
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try |
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Attachment := FirebirdAPI.OpenDatabase(ExtractDBName(Owner.GetEmployeeDatabaseName),DPB); |
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except on e: Exception do |
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writeln(OutFile,'Open Local Database fails ',E.Message); |
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end; |
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DoQuery(Attachment); |
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if FirebirdAPI.HasScollableCursors then |
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DoScrollableQuery(Attachment); |
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Attachment.Disconnect; |
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end; |
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initialization |
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RegisterTest(TTest2); |
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end. |
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