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tony |
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unit Test1;
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{Create and Drop a Database}
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{
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This test first attempts to create a database without specifying any parameters
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(should fail). It then goes on to create and drop a database, print out the
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parameters and then creates it again (will fail if the dropdatabase failed silently.
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Some basic database info is then accessed and printed.
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A basic query is performed and finally the database dropped.
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}
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{$mode objfpc}{$H+}
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{$codepage utf8}
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interface
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uses
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Classes, SysUtils, TestManager, IB;
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type
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{ TTest1 }
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TTest1 = class(TTestBase)
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private
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procedure DoQuery(Attachment: IAttachment);
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public
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function TestTitle: string; override;
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procedure RunTest(CharSet: string; SQLDialect: integer); override;
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end;
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implementation
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{ TTest1 }
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procedure TTest1.DoQuery(Attachment: IAttachment);
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var Transaction: ITransaction;
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Statement: IStatement;
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ResultSet: IResultSet;
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i: integer;
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begin
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Transaction := Attachment.StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit);
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Statement := Attachment.Prepare(Transaction,'Select * from RDB$Database',3);
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ResultSet := Statement.OpenCursor;
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ResultSet.SetRetainInterfaces(true);
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try
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while ResultSet.FetchNext do
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begin
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for i := 0 to ResultSet.getCount - 1 do
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writeln(OutFile,ResultSet[i].Name,' = ',ResultSet[i].AsString);
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end;
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finally
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ResultSet.Close;
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ResultSet.SetRetainInterfaces(false);
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end;
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end;
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function TTest1.TestTitle: string;
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begin
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Result := 'Test 1: Create and Drop a Database';
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end;
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procedure TTest1.RunTest(CharSet: string; SQLDialect: integer);
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var DPB: IDPB;
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Attachment: IAttachment;
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DBInfo: IDBInformation;
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ConType: integer;
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DBFileName: string;
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DBSiteName: string;
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begin
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writeln(OutFile,'Creating a Database with empty parameters');
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Attachment := FirebirdAPI.CreateDatabase('',nil,false);
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if Attachment = nil then
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writeln(OutFile,'Create Database fails (as expected): ',FirebirdAPI.GetStatus.GetMessage)
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else
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Attachment.DropDatabase;
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writeln(OutFile,'Creating a Database with a DPD');
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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.CreateDatabase(Owner.GetNewDatabaseName,DPB);
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writeln(OutFile,'Dropping Database');
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if Attachment <> nil then
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Attachment.DropDatabase;
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{Open Database}
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PrintDPB(DPB);
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writeln(OutFile,'Creating a Database with a DPD');
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Attachment := FirebirdAPI.CreateDatabase(Owner.GetNewDatabaseName,DPB);
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if Attachment = nil then
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begin
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writeln(OutFile,'Create Database Failed');
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Exit;
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end;
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DBInfo := Attachment.GetDBInformation([isc_info_db_id]);
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DBInfo[0].DecodeIDCluster(ConType,DBFileName,DBSiteName);
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writeln(OutFile,'Database ID = ', ConType,' FB = ', DBFileName, ' SN = ',DBSiteName);
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DBInfo := Attachment.GetDBInformation([isc_info_ods_version]);
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write(OutFile,'ODS major = ',DBInfo[0].getAsInteger);
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DBInfo := Attachment.GetDBInformation([isc_info_ods_minor_version]);
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writeln(OutFile,' minor = ', DBInfo[0].getAsInteger );
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{Querying Database}
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DoQuery(Attachment);
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writeln(OutFile,'Dropping Database');
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Attachment.DropDatabase;
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end;
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initialization
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RegisterTest(TTest1);
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end.
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