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Building an MVP Framework for .NET. Part 4: Strongly Typed Associations

, 25 Apr 2008
In this article we continue developing a Model-View-Presenter framework for .NET platform. The new features we are implementing here are strongly typed asscoiations between controllers, views and tasks for higher convenience and type safety.
mvcsharp-0.7.1.zip
MVCSharp
API Docs
CleanUpAll.proj
Examples
ASP.NET MVC Store
ApplicationLogic
Model
NorthwindDataSet.xsc
NorthwindDataSet.xss
Presentation
App_Data
Nwind.mdb
Global.asax
Properties
Tests
Properties
TestApplicationLogic
Tests.csproj.user
Basics
Basics (generics used)
ApplicationLogic
Model
Presentation
Web
Global.asax
Win
Properties
Settings.settings
ApplicationLogic
Model
Presentation
Web
Global.asax
Win
Properties
Settings.settings
SimpleFormsViewsManager
Properties
TestSimpleFormsViewsManager
ApplicationLogic
Presentation
Properties
Settings.settings
TasksInteraction
ApplicationLogic
Model
Presentation
Web
Global.asax
Win
Properties
Settings.settings
WindowsFormsExample
ApplicationLogic
Presentation
Properties
Settings.settings
MVCSharp
MVCSharp.Tests
Core
Configuration
Tasks
Views
Tasks
MVCSharp.Tests.csproj.user
Properties
Webforms
Configuration
Winforms
Configuration
Core
Configuration
Tasks
Views
Tasks
Views
Properties
Webforms
Configuration
Winforms
Configuration
using System;
using System.Text;
using NUnit.Framework;
using MVCSharp.Core.Configuration.Tasks;

namespace MVCSharp.Tests.Core.Configuration.Tasks
{
    [TestFixture]
    public class TestTaskInfoByAttributesProvider
    {
        private TaskInfoByAttributesProvider tskInfPrvdr = new TaskInfoByAttributesProvider();

        [Test]
        public void TestGetTaskInfo_Basics()
        {
            TaskInfo ti = tskInfPrvdr.GetTaskInfo(typeof(StubTask1));

            Assert.AreEqual(4, ti.InteractionPoints.Count);
            foreach (string num in new string[] { "1", "2", "3" })
                Assert.AreEqual("View" + num, ti.InteractionPoints["View" + num].ViewName);
            Assert.AreEqual(typeof(StubController1), ti.InteractionPoints["View1"].ControllerType);
            Assert.AreEqual(typeof(StubController2), ti.InteractionPoints["View2"].ControllerType);

            Assert.AreEqual(0, ti.InteractionPoints["View1"].NavTargets.Count);
            Assert.AreEqual(1, ti.InteractionPoints["View2"].NavTargets.Count);
            Assert.AreEqual(2, ti.InteractionPoints["View3"].NavTargets.Count);
            Assert.AreEqual(2, ti.InteractionPoints["View4"].NavTargets.Count);

            Assert.AreEqual(ti.InteractionPoints["View1"], ti.InteractionPoints["View3"].NavTargets["View1"]);
            Assert.AreEqual(ti.InteractionPoints["View2"], ti.InteractionPoints["View3"].NavTargets["View2"]);
            Assert.AreEqual(ti.InteractionPoints["View3"], ti.InteractionPoints["View4"].NavTargets["Next"]);
            Assert.AreEqual(ti.InteractionPoints["View2"], ti.InteractionPoints["View4"].NavTargets["Previous"]);
        }

        [Test]
        public void TestGetTaskInfo_CommonTargets()
        {
            TaskInfo ti = tskInfPrvdr.GetTaskInfo(typeof(StubTask1));

            Assert.IsFalse(ti.InteractionPoints[StubTask1.iPoint1].IsCommonTarget);
            Assert.IsTrue(ti.InteractionPoints[StubTask1.iPoint2].IsCommonTarget);
            Assert.IsFalse(ti.InteractionPoints[StubTask1.iPoint3].IsCommonTarget);
            Assert.IsTrue(ti.InteractionPoints[StubTask1.iPoint4].IsCommonTarget);
        }

        [Test]
        public void TestGetTaskInfo_AdjacentPoints()
        {
            TaskInfo ti = tskInfPrvdr.GetTaskInfo(typeof(StubTask2));

            Assert.AreEqual(3, ti.InteractionPoints["View1"].NavTargets.Count);
            Assert.AreEqual(3, ti.InteractionPoints["View2"].NavTargets.Count);
            Assert.AreEqual(2, ti.InteractionPoints["View3"].NavTargets.Count);
            Assert.AreEqual(3, ti.InteractionPoints["View4"].NavTargets.Count);
            Assert.AreEqual(1, ti.InteractionPoints["View5"].NavTargets.Count);
            Assert.AreEqual(ti.InteractionPoints["View2"], ti.InteractionPoints["View1"].NavTargets["View2"]);
            Assert.AreEqual(ti.InteractionPoints["View3"], ti.InteractionPoints["View1"].NavTargets["View3"]);
            Assert.AreEqual(ti.InteractionPoints["View1"], ti.InteractionPoints["View2"].NavTargets["View1"]);
            Assert.AreEqual(ti.InteractionPoints["View3"], ti.InteractionPoints["View2"].NavTargets["View3"]);
            Assert.AreEqual(ti.InteractionPoints["View1"], ti.InteractionPoints["View3"].NavTargets["View1"]);
            Assert.AreEqual(ti.InteractionPoints["View2"], ti.InteractionPoints["View3"].NavTargets["View2"]);
            Assert.AreEqual(ti.InteractionPoints["View4"], ti.InteractionPoints["View5"].NavTargets["View4"]);
        }

        class StubTask1
        {
            [InteractionPoint(typeof(StubController1))]
            public const string iPoint1 = "View1";

            [IPoint(typeof(StubController2), true, iPoint1)]
            public const string iPoint2 = "View2";

            [InteractionPoint(typeof(StubController1), iPoint1, iPoint2)]
            public const string iPoint3 = "View3";

            [InteractionPoint(typeof(StubController1), true)]
            [NavTarget("Next", iPoint3)]
            [NavTarget("Previous", iPoint2)]
            public const string iPoint4 = "View4";

            [InteractionPoint(typeof(StubController1))]
            private const string wrongFormatPoint1 = "wrongFormatPoint1";
            [InteractionPoint(typeof(StubController1))]
            public const int wrongFormatPoint2 = 2;
            [InteractionPoint(typeof(StubController1))]
            public static readonly string wrongFormatPoint3 = "wrongFormatPoint3";
        }

        [AdjacentPoints(View1, View2, View3)]
        [AdjacentPoints(View1, View2, View4)]
        [AdjacentPoints(View4, View5)]
        class StubTask2
        {
            [InteractionPoint(typeof(StubController1))]
            public const string View1 = "View1";

            [InteractionPoint(typeof(StubController1))]
            [NavTarget(View1, View5)]
            public const string View2 = "View2";

            [InteractionPoint(typeof(StubController1))]
            public const string View3 = "View3";

            [InteractionPoint(typeof(StubController1))]
            public const string View4 = "View4";

            [InteractionPoint(typeof(StubController1))]
            public const string View5 = "View5";
        }

        class StubController1 {}
        class StubController2 { }
    }
}

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This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)

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About the Author

Oleg Zhukov
Team Leader
Russian Federation Russian Federation
Oleg Zhukov, born and living in Russia is Lead Engineer and Project Manager in a company which provides business software solutions. He has graduated from Moscow Institute of Physics and Technology (MIPT) (department of system programming) and has got a M.S. degree in applied physics and mathematics. His research and development work concerns architectural patterns, domain-driven development and systems analysis. Being the adherent of agile methods he applies them extensively in the projects managed by him.

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