unit FrameworkTestsU;

interface

uses
  TestFramework,
  MVCFramework.Router,
  System.Generics.Collections,
  MVCFramework;

type
  TTestRouting = class(TTestCase)
  private
    Router     : TMVCRouter;
    Controllers: TList<TMVCControllerClass>;

  public
    procedure SetUp; override;
    procedure TearDown; override;

  published
    procedure TestWithNoParameters;
    procedure TestWithNoPath;
    procedure TestPathButNoParameters;
    procedure TestPathWithParameters;
    procedure TestWithMethodTypes;
    procedure TestComplexRoutings;
  end;

implementation

{ TTestRouting }

uses MVCFramework.Commons,
  TestControllersU,
  Web.HTTPApp;

procedure TTestRouting.SetUp;
begin
  Controllers := TList<TMVCControllerClass>.Create;
  Controllers.Add(TSimpleController);
  Router := TMVCRouter.Create(nil);
end;

procedure TTestRouting.TearDown;
begin
  Router.Free;
  Controllers.Free;
end;

procedure TTestRouting.TestComplexRoutings;
begin

end;

procedure TTestRouting.TestPathButNoParameters;
var
  Params             : TMVCRequestParamsTable;
  ResponseContentType: string;
begin
  Params := TMVCRequestParamsTable.Create;
  try
    CheckTrue(Router.ExecuteRouting('/orders', httpGET, Controllers, Params, ResponseContentType));
    CheckEquals(0, Params.Count);
    CheckEquals('TSimpleController', Router.MVCControllerClass.ClassName);
    CheckEquals('Orders', Router.MethodToCall.Name);
  finally
    Params.Free;
  end;
end;

procedure TTestRouting.TestPathWithParameters;
var
  Params             : TMVCRequestParamsTable;
  ResponseContentType: string;
begin
  Params := TMVCRequestParamsTable.Create;
  try
    CheckTrue(Router.ExecuteRouting('/orders/789', httpGET,
      Controllers, Params, ResponseContentType));
    CheckEquals(1, Params.Count);
    CheckEquals('789', Params['ordernumber']);
    CheckEquals('TSimpleController', Router.MVCControllerClass.ClassName);
    CheckEquals('OrderNumber', Router.MethodToCall.Name);
  finally
    Params.Free;
  end;

end;

procedure TTestRouting.TestWithMethodTypes;
var
  Params             : TMVCRequestParamsTable;
  ResponseContentType: string;
begin
  Params := TMVCRequestParamsTable.Create;
  try
    CheckTrue(Router.ExecuteRouting('/orders/789', httpPOST, Controllers,
      Params, ResponseContentType));
    CheckEquals('UpdateOrderNumber', Router.MethodToCall.Name);

    Params.Clear;
    CheckTrue(Router.ExecuteRouting('/orders/789', httpPUT,
      Controllers, Params, ResponseContentType));
    CheckEquals('UpdateOrderNumber', Router.MethodToCall.Name);

    Params.Clear;
    CheckFalse(Router.ExecuteRouting('/orders/789', httpDELETE,
      Controllers, Params, ResponseContentType));
    CheckNull(Router.MethodToCall);
    CheckFalse(Assigned(Router.MVCControllerClass));

    Params.Clear;
    CheckFalse(Router.ExecuteRouting('/orders/789', httpHEAD,
      Controllers, Params, ResponseContentType), 'Resolved as HEAD');
    CheckNull(Router.MethodToCall, 'Resolved as HEAD');
    CheckFalse(Assigned(Router.MVCControllerClass));

    Params.Clear;
    CheckFalse(Router.ExecuteRouting('/orders/789', httpOPTIONS,
      Controllers, Params, ResponseContentType), 'Resolved as OPTIONS');
    CheckNull(Router.MethodToCall, 'Resolved as OPTIONS');
    CheckFalse(Assigned(Router.MVCControllerClass));

    Params.Clear;
    CheckTrue(Router.ExecuteRouting('/orders/789', httpGET,
      Controllers, Params, ResponseContentType));
    CheckEquals('OrderNumber', Router.MethodToCall.Name);

    Params.Clear;
    CheckTrue(Router.ExecuteRouting('/orders/789', httpGET,
      Controllers, Params, ResponseContentType));
    CheckEquals('OrderNumber', Router.MethodToCall.Name);
  finally
    Params.Free;
  end;
end;

procedure TTestRouting.TestWithNoParameters;
var
  Params             : TMVCRequestParamsTable;
  ResponseContentType: string;
begin
  Params := TMVCRequestParamsTable.Create;
  try
    CheckTrue(Router.ExecuteRouting('/', httpGET, Controllers, Params, ResponseContentType));
    CheckEquals(0, Params.Count);
    CheckEquals('TSimpleController', Router.MVCControllerClass.ClassName);
    CheckEquals('Index', Router.MethodToCall.Name);
  finally
    Params.Free;
  end;
end;

procedure TTestRouting.TestWithNoPath;
var
  Params             : TMVCRequestParamsTable;
  ResponseContentType: string;
begin
  Params := TMVCRequestParamsTable.Create;
  try
    CheckTrue(Router.ExecuteRouting('', httpGET, Controllers, Params, ResponseContentType));
    CheckEquals(0, Params.Count);
    CheckEquals('TSimpleController', Router.MVCControllerClass.ClassName);
    CheckEquals('Index', Router.MethodToCall.Name);
  finally
    Params.Free;
  end;
end;

initialization

RegisterTest(TTestRouting.suite);

finalization

end.