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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,
{$ENDIF FPC}
Classes, SysUtils, db, ToolsUnit;
type
{ TTestSpecificTBufDataset }
TTestSpecificTBufDataset = class(TTestCase)
private
procedure TestDataset(ABufDataset: TBufDataset; AutoInc: boolean = false);
function GetAutoIncDataset: TBufDataset;
procedure IntTestAutoIncFieldStreaming(XML: boolean);
protected
procedure SetUp; override;
procedure TearDown; override;
published
procedure CreateDatasetFromFielddefs;
procedure CreateDatasetFromFields;
procedure TestOpeningNonExistingDataset;
procedure TestCreationDatasetWithCalcFields;
procedure TestAutoIncField;
procedure TestAutoIncFieldStreaming;
procedure TestAutoIncFieldStreamingXML;
end;
implementation
uses
{$ifdef fpc}
//
{$endif fpc}
variants,
strutils,
FmtBCD;
{ TTestSpecificTBufDataset }
procedure TTestSpecificTBufDataset.TestDataset(ABufDataset: TBufDataset;
AutoInc: boolean);
var
i : integer;
begin
for i := 1 to 10 do
begin
ABufDataset.Append;
if not AutoInc then
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;
function TTestSpecificTBufDataset.GetAutoIncDataset: TBufDataset;
var
ds : TBufDataset;
f: TField;
begin
ds := TBufDataset.Create(nil);
F := TAutoIncField.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,True);
result := ds;
end;
procedure TTestSpecificTBufDataset.IntTestAutoIncFieldStreaming(XML: boolean);
var
ds : TBufDataset;
fn: string;
begin
ds := GetAutoIncDataset;
fn := GetTempFileName;
if xml then
ds.SaveToFile(fn,dfXML)
else
ds.SaveToFile(fn);
DS.Close;
ds.Free;
ds := TBufDataset.Create(nil);
ds.LoadFromFile(fn);
ds.Last;
CheckEquals(10,ds.FieldByName('Id').AsInteger);
ds.Append;
ds.FieldByName('NAME').asstring := 'Test';
ds.Post;
CheckEquals(11,ds.FieldByName('Id').AsInteger);
ds.Free;
DeleteFile(fn);
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;
procedure TTestSpecificTBufDataset.TestCreationDatasetWithCalcFields;
var ds : TBufDataset;
f: TField;
i: integer;
begin
ds := TBufDataset.Create(nil);
try
F := TIntegerField.Create(ds);
F.FieldName:='ID';
F.DataSet:=ds;
F := TStringField.Create(ds);
F.FieldName:='NAME';
F.DataSet:=ds;
F.Size:=50;
F := TStringField.Create(ds);
F.FieldKind:=fkCalculated;
F.FieldName:='NAME_CALC';
F.DataSet:=ds;
F.Size:=50;
F := TStringField.Create(ds);
F.FieldKind:=fkLookup;
F.FieldName:='NAME_LKP';
F.LookupDataSet:=DBConnector.GetNDataset(5);
F.KeyFields:='ID';
F.LookupKeyFields:='ID';
F.LookupResultField:='NAME';
F.DataSet:=ds;
F.Size:=50;
DS.CreateDataset;
TestDataset(ds);
for i := 0 to ds.FieldDefs.Count-1 do
begin
CheckNotEquals(ds.FieldDefs[i].Name,'NAME_CALC');
CheckNotEquals(ds.FieldDefs[i].Name,'NAME_LKP');
end;
DS.Close;
finally
ds.Free;
end;
end;
procedure TTestSpecificTBufDataset.TestAutoIncField;
var
ds : TBufDataset;
begin
ds := GetAutoIncDataset;
DS.Close;
ds.Free;
end;
procedure TTestSpecificTBufDataset.TestAutoIncFieldStreaming;
begin
IntTestAutoIncFieldStreaming(false);
end;
procedure TTestSpecificTBufDataset.TestAutoIncFieldStreamingXML;
begin
IntTestAutoIncFieldStreaming(true);
end;
initialization
{$ifdef fpc}
if uppercase(dbconnectorname)='BUFDATASET' then
begin
RegisterTestDecorator(TDBBasicsTestSetup, TTestSpecificTBufDataset);
end;
{$endif fpc}
end.
|
