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unit Test1; |
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{$IFDEF MSWINDOWS} |
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{$DEFINE WINDOWS} |
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{$IF defined(CompilerVersion) and (CompilerVersion >= 28)} |
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{Delphi XE7 onwards}} |
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{$define HASREQEX} |
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{$IFEND} |
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{$ENDIF} |
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|
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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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|
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Some basic database info is then accessed and printed. |
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|
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A basic query is performed and finally the database dropped. |
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} |
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|
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{$IFDEF FPC} |
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{$mode delphi} |
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{$codepage utf8} |
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{$define HASREQEX} |
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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, TestManager, IB; |
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|
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type |
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|
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{ TTest1 } |
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|
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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: AnsiString; override; |
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procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override; |
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end; |
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|
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implementation |
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|
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{ TTest1 } |
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|
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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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|
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function TTest1.TestTitle: AnsiString; |
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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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|
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procedure TTest1.RunTest(CharSet: AnsiString; SQLDialect: integer); |
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var DPB: IDPB; |
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Attachment: IAttachment; |
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createSQL: AnsiString; |
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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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|
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writeln(OutFile,'Creating a Database using an SQL Statement'); |
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createSQL := Format('create database ''%s'' USER ''%s'' PASSWORD ''%s'' DEFAULT CHARACTER SET %s', |
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[Owner.GetNewDatabaseName, Owner.GetUserName, Owner.GetPassword, CharSet]); |
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Attachment := FirebirdAPI.CreateDatabase(createSQL,SQLDialect); |
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WriteDBInfo(Attachment.GetDBInformation([isc_info_db_id,isc_info_db_SQL_Dialect])); |
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writeln(outfile,'DB Connect String = ',Attachment.GetConnectString); |
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writeln(outfile,'DB Charset ID = ',Attachment.GetDefaultCharSetID); |
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writeln(outfile,'DB SQL Dialect = ',Attachment.GetSQLDialect); |
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writeln(outfile,'DB Remote Protocol = ', Attachment.GetRemoteProtocol); |
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writeln(outfile,'DB ODS Major Version = ',Attachment.GetODSMajorVersion); |
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writeln(outfile,'DB ODS Minor Version = ',Attachment.GetODSMinorVersion); |
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PrintDPB(Attachment.getDPB); |
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|
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{$IFDEF HASREQEX} |
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{Demonstrate reconnect when database created with SQL Statement} |
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try |
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Attachment.Disconnect; |
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Attachment.Connect; |
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except on E:Exception do |
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writeln(OutFile,'Error reconnecting to Database: ',E.Message); |
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end; |
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{$ENDIF} |
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|
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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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|
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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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|
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Attachment := FirebirdAPI.CreateDatabase(Owner.GetNewDatabaseName,DPB); |
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|
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writeln(outfile,'DB Connect String = ',Attachment.GetConnectString); |
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writeln(outfile,'DB Charset ID = ',Attachment.GetDefaultCharSetID); |
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writeln(outfile,'DB SQL Dialect = ',Attachment.GetSQLDialect); |
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writeln(outfile,'DB Remote Protocol = ', Attachment.GetRemoteProtocol); |
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writeln(outfile,'DB ODS Major Version = ',Attachment.GetODSMajorVersion); |
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writeln(outfile,'DB ODS Minor Version = ',Attachment.GetODSMinorVersion); |
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|
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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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|
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{Open Database} |
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|
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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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WriteDBInfo(Attachment.GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version])); |
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writeln(outfile,'DB Connect String = ',Attachment.GetConnectString); |
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writeln(outfile,'DB Charset ID = ',Attachment.GetDefaultCharSetID); |
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writeln(outfile,'DB SQL Dialect = ',Attachment.GetSQLDialect); |
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writeln(outfile,'DB Remote Protocol = ', Attachment.GetRemoteProtocol); |
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writeln(outfile,'DB ODS Major Version = ',Attachment.GetODSMajorVersion); |
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writeln(outfile,'DB ODS Minor Version = ',Attachment.GetODSMinorVersion); |
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|
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{Querying Database} |
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DoQuery(Attachment); |
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|
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writeln(OutFile,'Dropping Database'); |
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Attachment.DropDatabase; |
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end; |
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|
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|
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initialization |
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RegisterTest(TTest1); |
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|
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end. |
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