using System.Web;
using System.Web.Routing;
using Rhino.Mocks;
using Xunit;
using System.Web.Mvc;

namespace Website.Tests
{
    public class HtmlExtensionTests
    {
        private HtmlHelper CreateHtmlHelper(string appPath)
        {
            HttpContextBase httpContext = MockRepository.GenerateStub<HttpContextBase>();
            HttpRequestBase httpRequestBase = MockRepository.GenerateStub<HttpRequestBase>();
            httpRequestBase.Stub(h => h.ApplicationPath).Return(appPath);
            httpContext.Stub(h => h.Request).Return(httpRequestBase);

            ViewContext viewContext = MockRepository.GenerateStub<ViewContext>(httpContext, 
                                                                            new RouteData(), 
                                                                            MockRepository.GenerateStub<IController>(), 
                                                                            "Test", "MasterTest", new ViewDataDictionary(), 
                                                                            new TempDataDictionary(httpContext));

            return new HtmlHelper(viewContext, MockRepository.GenerateStub<IViewDataContainer>());
        }

        [Fact]
        public void Resolve_With_IIS_Virtual_Directory_Returns_Full_Path()
        {
            HtmlHelper html = CreateHtmlHelper("http://localhost/TestProject");

            string result = html.Resolve("~/Content/t.jpg");
            Assert.Equal("http://localhost/TestProject/Content/t.jpg", result);
        }

        [Fact]
        public void Resolve_With_IIS_Virtual_Directory_Ends_With_Slash_Returns_Full_Path()
        {
            string appPath = "http://localhost/TestProject/";
            HtmlHelper html = CreateHtmlHelper(appPath);

            string result = html.Resolve("~/Content/t.jpg");
            Assert.Equal(appPath + "Content/t.jpg", result);
        }

        [Fact]
        public void Resolve_With_IIS_Root_Returns_Full_Path()
        {
            string appPath = "http://localhost";
            HtmlHelper html = CreateHtmlHelper(appPath);

            string result = html.Resolve("~/Content/t.jpg");
            Assert.Equal(appPath + "/Content/t.jpg", result);
        }

        [Fact]
        public void Resolve_Without_StrangeLine_And_Slash_Returns_String_AsWas()
        {
            string appPath = "http://localhost";
            HtmlHelper html = CreateHtmlHelper(appPath);

            string result = html.Resolve("Content/t.jpg");
            Assert.Equal("Content/t.jpg", result);
        }

        [Fact]
        public void Resolve_With_App_Path_Empty_Should_Still_Return_String()
        {
            HtmlHelper html = CreateHtmlHelper(string.Empty);

            string result = html.Resolve("~/Content/t.jpg");
            Assert.Equal("/Content/t.jpg", result);
        }

        [Fact]
        public void Resolve_Two_Sub_Directories_Returns_Both_Directories()
        {
            string appPath = "http://localhost/Test/Views";
            HtmlHelper html = CreateHtmlHelper(appPath);

            string result = html.Resolve("~/Content/t.jpg");
            Assert.Equal(appPath + "/Content/t.jpg", result);
        }
    }
}