FormsViewManagerTest.cs :  » Web-Frameworks » Ingenious-MVC » Ingenious » Mvc » UnitTest » Web » Forms » ViewManagers » C# / CSharp Open Source

#region License

/**
 * Ingenious MVC : An MVC framework for .NET 2.0
 * Copyright (C) 2006, JDP Group
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Authors: - Kent Boogaart (kentcb@internode.on.net)
 */

#endregion

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Text;
using System.Web;
using NUnit.Framework;
using Ingenious.Mvc;
using Ingenious.Mvc.Configuration;
using Ingenious.Mvc.UnitTest.MockTypes;
using Ingenious.Mvc.ViewManagers;
using Ingenious.Mvc.Web.Forms.Views;
using Ingenious.Mvc.Web.Forms.ViewManagers;

namespace Ingenious.Mvc.UnitTest.Web.Forms.ViewManagers{
  /// <summary>
  /// Unit tests the <see cref="FormsViewManager"/> class.
  /// </summary>
  [TestFixture]
  public sealed class FormsViewManagerTest : UnitTestBase
  {
    private FormsViewManager _viewManager;
    private MockHttpBridge _httpBridge;

    protected override void SetUp()
    {
        base.SetUp();
      //this mocks out HTTP functionality for the web forms view manager
      _httpBridge = new MockHttpBridge(TaskManager);
      FormsViewManager.HttpBridge = _httpBridge;
      _httpBridge.AbandonSession();
        _viewManager = new FormsViewManager("vm", TaskManager);
    }

    [Test]
    [ExpectedException(typeof(ArgumentNullException))]
    public void TestNullTask()
    {
      _viewManager.Activate(null, "v", null);
    }

    [Test]
    [ExpectedException(typeof(IdException), "An empty ID of type Ingenious.Mvc.IView was illegally provided for argument 'viewId'.")]
    public void TestViewIdEmpty()
    {
      _viewManager.Activate(CreateTask(), Id<IView>.Empty, null);
    }

    [Test]
    [ExpectedException(typeof(ViewManagerException), "No HTTP context was found via the HttpContext.Current property. The web forms view manager must be run in an ASP.NET environment.")]
    public void TestNoHttpContext()
    {
      //ensure the default HTTP bridge is used, which will require the HTTP context
      FormsViewManager.HttpBridge = null;
      Configure("Valid");
      TaskManager.StartTask("navigator");
    }

    [Test]
    public void TestSimple()
    {
      Configure("Valid");

      Task task = TaskManager.StartTask("navigator");
      INavigator navigator = TaskManager.GetNavigatorForTask(task);
      FormsViewManager viewManager = (FormsViewManager) TaskManager.GetViewManager("viewManager");

      MockPage view1 = (MockPage) viewManager.ActiveView;
      Assert.IsNotNull(view1);
      Assert.AreEqual("view1", view1.Id.ToString());

      /*
       * view1 ----> view2
       */
      navigator.NavigateTo("view2");
      MockPage view2 = (MockPage) viewManager.ActiveView;
      Assert.IsFalse(view1 == view2);
      Assert.IsNotNull(view2);
      Assert.AreEqual("view2", view2.Id.ToString());

      //kill the task and make sure that abandoned the session, since there was only one task running in the view manager
      Assert.IsFalse(_httpBridge.IsSessionEmpty);
      task.End();
      Assert.IsTrue(_httpBridge.IsSessionEmpty);

      //now start another task and make sure it was successful
      task = TaskManager.StartTask("navigator");
      Assert.AreEqual(view1.Id, viewManager.ActiveView.Id);
    }

    [Test]
    public void TestComplex()
    {
      Configure("Valid");

      Task task1 = TaskManager.StartTask("navigator");
      INavigator navigator1 = TaskManager.GetNavigatorForTask(task1);
      FormsViewManager viewManager = (FormsViewManager) TaskManager.GetViewManager("viewManager");

      MockPage view1 = (MockPage) viewManager.ActiveView;
      Assert.IsNotNull(view1);

      /*
       * view1 ----> view2
       */
      navigator1.NavigateTo("view2");
      MockPage view2 = (MockPage) viewManager.ActiveView;
      Assert.IsFalse(view1 == view2);
      Assert.IsNotNull(view2);
      Assert.AreEqual("view2", view2.Id.ToString());

      /*
       * view2 ----> view1
       */
      navigator1.NavigateTo("view1");
      Assert.AreEqual(view1.Id, viewManager.ActiveView.Id);

      /*
       * (new task) view3
       */
      Task task2 = TaskManager.StartTask("navigator2");
      INavigator navigator2 = TaskManager.GetNavigatorForTask(task2);
      MockPage view3 = (MockPage) viewManager.ActiveView;
      Assert.IsNotNull(view3);
      Assert.AreEqual("view3", view3.Id.ToString());

      /*
       * view3 --> view4
       */
      navigator2.NavigateTo("view4");
      MockPage view4 = (MockPage) viewManager.ActiveView;
      Assert.IsNotNull(view4);
      Assert.AreEqual("view4", view4.Id.ToString());

      /*
       * (implicitly end task2) view4 --> view2
       */
      navigator1.NavigateTo("view2");
      Assert.AreEqual(TaskState.Ended, task2.State);

      /*
       * (new task) view3
       */
      task2 = TaskManager.StartTask("navigator2");
      navigator2 = TaskManager.GetNavigatorForTask(task2);
      Assert.AreEqual(view3.Id, viewManager.ActiveView.Id);

      /*
       * (new task) view5
       */
      Task task3 = TaskManager.StartTask("navigator3");
      INavigator navigator3 = TaskManager.GetNavigatorForTask(task3);
      MockPage view5 = (MockPage) viewManager.ActiveView;
      Assert.IsNotNull(view5);
      Assert.AreEqual("view5", view5.Id.ToString());

      /*
       * view5 --> view7
       */
      navigator3.NavigateTo("view7");
      MockPage view7 = (MockPage) viewManager.ActiveView;
      Assert.IsNotNull(view7);
      Assert.AreEqual("view7", view7.Id.ToString());

      /*
       * (implicitly end tasks 3 and 2) view7 --> view2
       */
      navigator1.NavigateTo("view2");
      Assert.AreEqual(TaskState.Ended, task3.State);
      Assert.AreEqual(TaskState.Ended, task2.State);
    }

    [Test]
    public void TestBookmarking()
    {
      Configure("Valid");

      //simulate a user bookmarking a page that is not the first view in the navigation
      _httpBridge.IsNewSession = true;
      _httpBridge.PhysicalPath = "view2";

      Task task1 = TaskManager.StartTask("navigator");
      //no redirect is expected
      Assert.IsNull(_httpBridge.LastRedirect);
    }

    [Test]
    public void TestGraphNavigatorWorksAsRootNavigator()
    {
      Configure("GraphNavigator");

      //simulate a graph navigator as main navigator because a bug was found where doing so would result in an exception
      _httpBridge.IsNewSession = true;
      _httpBridge.PhysicalPath = "view1";

      TaskManager.StartTask("navigator");
    }
  }
}