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unit TestSpecificTBufDataset;
{
Unit tests which are specific to stand-alone TBufDataset-datasets. (So not
for derrived datasets like TQuery )
}
{$IFDEF FPC}
{$mode Delphi}{$H+}
{$ENDIF}
interface
uses
{$IFDEF FPC}
fpcunit, testutils, testregistry, testdecorator, BufDataset,
{$ELSE FPC}
TestFramework,
{$ENDIF FPC}
Classes, SysUtils, db, ToolsUnit;
type
{ TTestSpecificTBufDataset }
TTestSpecificTBufDataset = class(TTestCase)
private
procedure TestDataset(ABufDataset: TBufDataset);
protected
procedure SetUp; override;
procedure TearDown; override;
published
procedure CreateDatasetFromFielddefs;
procedure CreateDatasetFromFields;
procedure TestOpeningNonExistingDataset;
end;
implementation
uses
{$ifdef fpc}
//
{$endif fpc}
variants,
strutils,
FmtBCD;
{ TTestSpecificTBufDataset }
procedure TTestSpecificTBufDataset.TestDataset(ABufDataset: TBufDataset);
var
i : integer;
begin
for i := 1 to 10 do
begin
ABufDataset.Append;
ABufDataset.FieldByName('ID').AsInteger := i;
ABufDataset.FieldByName('NAME').AsString := 'TestName' + inttostr(i);
ABufDataset.Post;
end;
ABufDataset.first;
for i := 1 to 10 do
begin
CheckEquals(i,ABufDataset.fieldbyname('ID').asinteger);
CheckEquals('TestName' + inttostr(i),ABufDataset.fieldbyname('NAME').AsString);
ABufDataset.next;
end;
CheckTrue(ABufDataset.EOF);
end;
procedure TTestSpecificTBufDataset.SetUp;
begin
DBConnector.StartTest;
end;
procedure TTestSpecificTBufDataset.TearDown;
begin
DBConnector.StopTest;
end;
procedure TTestSpecificTBufDataset.CreateDatasetFromFielddefs;
var ds : TBufDataset;
begin
ds := TBufDataset.Create(nil);
DS.FieldDefs.Add('ID',ftInteger);
DS.FieldDefs.Add('NAME',ftString,50);
DS.CreateDataset;
TestDataset(ds);
DS.Close;
DS.CreateDataset;
TestDataset(ds);
end;
procedure TTestSpecificTBufDataset.CreateDatasetFromFields;
var ds : TBufDataset;
f: TField;
begin
ds := TBufDataset.Create(nil);
F := TIntegerField.Create(ds);
F.FieldName:='ID';
F.DataSet:=ds;
F := TStringField.Create(ds);
F.FieldName:='NAME';
F.DataSet:=ds;
F.Size:=50;
DS.CreateDataset;
TestDataset(ds);
DS.Close;
DS.CreateDataset;
TestDataset(ds);
end;
procedure TTestSpecificTBufDataset.TestOpeningNonExistingDataset;
var ds : TBufDataset;
f: TField;
begin
ds := TBufDataset.Create(nil);
F := TIntegerField.Create(ds);
F.FieldName:='ID';
F.DataSet:=ds;
CheckException(ds.Open,EDatabaseError);
ds.Free;
ds := TBufDataset.Create(nil);
DS.FieldDefs.Add('ID',ftInteger);
CheckException(ds.Open,EDatabaseError);
ds.Free;
end;
initialization
{$ifdef fpc}
if uppercase(dbconnectorname)='BUFDATASET' then
begin
RegisterTestDecorator(TDBBasicsTestSetup, TTestSpecificTBufDataset);
end;
{$endif fpc}
end.
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