/V4/PrismLibrary/Desktop/Prism.Tests/Regions/NavigationAsyncExtensionsFixture.cs

//===================================================================================

// Microsoft patterns & practices

// Composite Application Guidance for Windows Presentation Foundation and Silverlight

//===================================================================================

// Copyright (c) Microsoft Corporation.  All rights reserved.

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE.

//===================================================================================

// The example companies, organizations, products, domain names,

// e-mail addresses, logos, people, places, and events depicted

// herein are fictitious.  No association with any real company,

// organization, product, domain name, email address, logo, person,

// places, or events is intended or should be inferred.

//===================================================================================

using System;

using Microsoft.Practices.Prism.Regions;

using Microsoft.Practices.Prism.TestSupport;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using Moq;



namespace Microsoft.Practices.Prism.Tests.Regions

{

    [TestClass]

    public class NavigationAsyncExtensionsFixture

    {

        [TestMethod]

        public void WhenNavigatingWithANullThis_ThenThrows()

        {

            INavigateAsync navigate = null;

            string target = "";



            ExceptionAssert.Throws<ArgumentNullException>(

                () =>

                {

                    navigate.RequestNavigate(target);

                });

        }



        [TestMethod]

        public void WhenNavigatingWithANullStringTarget_ThenThrows()

        {

            INavigateAsync navigate = new Mock<INavigateAsync>().Object;

            string target = null;



            ExceptionAssert.Throws<ArgumentNullException>(

                () =>

                {

                    navigate.RequestNavigate(target);

                });

        }



        [TestMethod]

        public void WhenNavigatingWithARelativeStringTarget_ThenNavigatesToRelativeUri()

        {

            var navigateMock = new Mock<INavigateAsync>();

            navigateMock

                .Setup(nv =>

                    nv.RequestNavigate(

                        It.Is<Uri>(u => !u.IsAbsoluteUri && u.OriginalString == "relative"),

                        It.Is<Action<NavigationResult>>(c => c != null)))

                .Verifiable();



            string target = "relative";



            navigateMock.Object.RequestNavigate(target);



            navigateMock.VerifyAll();

        }



        [TestMethod]

        public void WhenNavigatingWithAnAbsoluteStringTarget_ThenNavigatesToAbsoluteUri()

        {

            var navigateMock = new Mock<INavigateAsync>();

            navigateMock

                .Setup(nv =>

                    nv.RequestNavigate(

                        It.Is<Uri>(u => u.IsAbsoluteUri && u.Host == "test" && u.AbsolutePath == "/path"),

                        It.Is<Action<NavigationResult>>(c => c != null)))

                .Verifiable();



            string target = "http://test/path";



            navigateMock.Object.RequestNavigate(target);



            navigateMock.VerifyAll();

        }



        [TestMethod]

        public void WhenNavigatingWithANullThisAndAUri_ThenThrows()

        {

            INavigateAsync navigate = null;

            Uri target = new Uri("test", UriKind.Relative);



            ExceptionAssert.Throws<ArgumentNullException>(

                () =>

                {

                    navigate.RequestNavigate(target);

                });

        }



        [TestMethod]

        public void WhenNavigatingWithAUri_ThenNavigatesToUriWithCallback()

        {

            Uri target = new Uri("relative", UriKind.Relative);



            var navigateMock = new Mock<INavigateAsync>();

            navigateMock

                .Setup(nv =>

                    nv.RequestNavigate(

                        target,

                        It.Is<Action<NavigationResult>>(c => c != null)))

                .Verifiable();





            navigateMock.Object.RequestNavigate(target);



            navigateMock.VerifyAll();

        }

    }

}