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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Linq;
using System.Web.Routing;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class RouteCollectionExtensionsTest
{
private static string[] _nameSpaces = new string[] { "nsA.nsB.nsC", "ns1.ns2.ns3" };
[Fact]
public void GetVirtualPathForAreaDoesNotStripAreaTokenIfAreasNotInUse()
{
// Arrange
RouteCollection routes = new RouteCollection();
routes.MapRoute(
"Default",
"no-area/{controller}/{action}/{id}",
new { controller = "Home", action = "Index", id = "" }
);
RequestContext requestContext = GetRequestContext(null);
RouteValueDictionary values = new RouteValueDictionary()
{
{ "controller", "home" },
{ "action", "about" },
{ "area", "some-area" }
};
// Act
VirtualPathData vpd = routes.GetVirtualPathForArea(requestContext, values);
// Assert
Assert.NotNull(vpd);
Assert.Equal(routes["Default"], vpd.Route);
// note presence of 'area' query string parameter; RVD should not be modified if areas not in use
Assert.Equal("/app/no-area/home/about?area=some-area", vpd.VirtualPath);
}
[Fact]
public void GetVirtualPathForAreaForwardsCallIfRouteNameSpecified()
{
// Arrange
RouteCollection routes = GetRouteCollection();
RequestContext requestContext = GetRequestContext(null);
RouteValueDictionary values = new RouteValueDictionary()
{
{ "controller", "home" },
{ "action", "index" },
{ "area", "some-area" }
};
// Act
VirtualPathData vpd = routes.GetVirtualPathForArea(requestContext, "admin_default", values);
// Assert
Assert.NotNull(vpd);
Assert.Equal(routes["admin_default"], vpd.Route);
// note presence of 'area' query string parameter; RVD should not be modified if route name was provided
Assert.Equal("/app/admin-area?area=some-area", vpd.VirtualPath);
}
[Fact]
public void GetVirtualPathForAreaThrowsIfRoutesIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
delegate { RouteCollectionExtensions.GetVirtualPathForArea(null, null, null); }, "routes");
}
[Fact]
public void GetVirtualPathForAreaWillJumpBetweenAreasExplicitly()
{
// Arrange
RouteCollection routes = GetRouteCollection();
RequestContext requestContext = GetRequestContext(null);
RouteValueDictionary values = new RouteValueDictionary()
{
{ "controller", "home" },
{ "action", "tenmostrecent" },
{ "tag", "some-tag" },
{ "area", "blog" }
};
// Act
VirtualPathData vpd = routes.GetVirtualPathForArea(requestContext, values);
// Assert
Assert.NotNull(vpd);
Assert.Equal(routes["blog_whatsnew"], vpd.Route);
Assert.Equal("/app/whats-new/some-tag", vpd.VirtualPath);
}
[Fact]
public void GetVirtualPathForAreaWillNotJumpBetweenAreasImplicitly()
{
// Arrange
RouteCollection routes = GetRouteCollection();
RequestContext requestContext = GetRequestContext("admin");
RouteValueDictionary values = new RouteValueDictionary()
{
{ "controller", "home" },
{ "action", "tenmostrecent" },
{ "tag", "some-tag" }
};
// Act
VirtualPathData vpd = routes.GetVirtualPathForArea(requestContext, values);
// Assert
Assert.NotNull(vpd);
Assert.Equal(routes["admin_default"], vpd.Route);
Assert.Equal("/app/admin-area/home/tenmostrecent?tag=some-tag", vpd.VirtualPath);
}
[Fact]
public void MapRoute3()
{
// Arrange
RouteCollection routes = new RouteCollection();
// Act
routes.MapRoute("RouteName", "SomeUrl");
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.Same(route, routes["RouteName"]);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<MvcRouteHandler>(route.RouteHandler);
Assert.Empty(route.Defaults);
Assert.Empty(route.Constraints);
Assert.Empty(route.DataTokens);
}
[Fact]
public void MapRoute3WithNameSpaces()
{
// Arrange
RouteCollection routes = new RouteCollection();
//string[] namespaces = new string[] { "nsA.nsB.nsC", "ns1.ns2.ns3" };
// Act
routes.MapRoute("RouteName", "SomeUrl", _nameSpaces);
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.NotNull(route.DataTokens);
Assert.NotNull(route.DataTokens["Namespaces"]);
string[] routeNameSpaces = route.DataTokens["Namespaces"] as string[];
Assert.Equal(routeNameSpaces.Length, 2);
Assert.Same(route, routes["RouteName"]);
Assert.Same(routeNameSpaces, _nameSpaces);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<MvcRouteHandler>(route.RouteHandler);
Assert.Empty(route.Defaults);
Assert.Empty(route.Constraints);
}
[Fact]
public void MapRoute3WithEmptyNameSpaces()
{
// Arrange
RouteCollection routes = new RouteCollection();
// Act
routes.MapRoute("RouteName", "SomeUrl", new string[] { });
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.Same(route, routes["RouteName"]);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<MvcRouteHandler>(route.RouteHandler);
Assert.Empty(route.Defaults);
Assert.Empty(route.Constraints);
Assert.Empty(route.DataTokens);
}
[Fact]
public void MapRoute4()
{
// Arrange
RouteCollection routes = new RouteCollection();
var defaults = new { Foo = "DefaultFoo" };
// Act
routes.MapRoute("RouteName", "SomeUrl", defaults);
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.Same(route, routes["RouteName"]);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<MvcRouteHandler>(route.RouteHandler);
Assert.Equal("DefaultFoo", route.Defaults["Foo"]);
Assert.Empty(route.Constraints);
Assert.Empty(route.DataTokens);
}
[Fact]
public void MapRoute4WithNameSpaces()
{
// Arrange
RouteCollection routes = new RouteCollection();
var defaults = new { Foo = "DefaultFoo" };
// Act
routes.MapRoute("RouteName", "SomeUrl", defaults, _nameSpaces);
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.NotNull(route.DataTokens);
Assert.NotNull(route.DataTokens["Namespaces"]);
string[] routeNameSpaces = route.DataTokens["Namespaces"] as string[];
Assert.Equal(routeNameSpaces.Length, 2);
Assert.Same(route, routes["RouteName"]);
Assert.Same(routeNameSpaces, _nameSpaces);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<MvcRouteHandler>(route.RouteHandler);
Assert.Equal("DefaultFoo", route.Defaults["Foo"]);
Assert.Empty(route.Constraints);
}
[Fact]
public void MapRoute5()
{
// Arrange
RouteCollection routes = new RouteCollection();
var defaults = new { Foo = "DefaultFoo" };
var constraints = new { Foo = "ConstraintFoo" };
// Act
routes.MapRoute("RouteName", "SomeUrl", defaults, constraints);
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.Same(route, routes["RouteName"]);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<MvcRouteHandler>(route.RouteHandler);
Assert.Equal("DefaultFoo", route.Defaults["Foo"]);
Assert.Equal("ConstraintFoo", route.Constraints["Foo"]);
Assert.Empty(route.DataTokens);
}
[Fact]
public void MapRoute5WithNullRouteCollectionThrows()
{
Assert.ThrowsArgumentNull(
delegate { RouteCollectionExtensions.MapRoute(null, null, null, null, null); },
"routes");
}
[Fact]
public void MapRoute5WithNullUrlThrows()
{
// Arrange
RouteCollection routes = new RouteCollection();
// Act & Assert
Assert.ThrowsArgumentNull(
delegate { routes.MapRoute(null, null /* url */, null, null); },
"url");
}
[Fact]
public void IgnoreRoute1WithNullRouteCollectionThrows()
{
Assert.ThrowsArgumentNull(
delegate { RouteCollectionExtensions.IgnoreRoute(null, "foo"); },
"routes");
}
[Fact]
public void IgnoreRoute1WithNullUrlThrows()
{
// Arrange
RouteCollection routes = new RouteCollection();
// Act & Assert
Assert.ThrowsArgumentNull(
delegate { routes.IgnoreRoute(null); },
"url");
}
[Fact]
public void IgnoreRoute3()
{
// Arrange
RouteCollection routes = new RouteCollection();
// Act
routes.IgnoreRoute("SomeUrl");
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<StopRoutingHandler>(route.RouteHandler);
Assert.Null(route.Defaults);
Assert.Empty(route.Constraints);
}
[Fact]
public void IgnoreRoute4()
{
// Arrange
RouteCollection routes = new RouteCollection();
var constraints = new { Foo = "DefaultFoo" };
// Act
routes.IgnoreRoute("SomeUrl", constraints);
// Assert
Route route = Assert.Single(routes.Cast<Route>());
Assert.NotNull(route);
Assert.Equal("SomeUrl", route.Url);
Assert.IsType<StopRoutingHandler>(route.RouteHandler);
Assert.Null(route.Defaults);
Assert.Single(route.Constraints);
Assert.Equal("DefaultFoo", route.Constraints["Foo"]);
}
[Fact]
public void IgnoreRouteInternalNeverMatchesUrlGeneration()
{
// Arrange
RouteCollection routes = new RouteCollection();
routes.IgnoreRoute("SomeUrl");
Route route = routes[0] as Route;
// Act
VirtualPathData vpd = route.GetVirtualPath(new RequestContext(new Mock<HttpContextBase>().Object, new RouteData()), null);
// Assert
Assert.Null(vpd);
}
private static RequestContext GetRequestContext(string currentAreaName)
{
Mock<HttpContextBase> mockHttpContext = new Mock<HttpContextBase>();
mockHttpContext.Setup(c => c.Request.ApplicationPath).Returns("/app");
mockHttpContext.Setup(c => c.Response.ApplyAppPathModifier(It.IsAny<string>())).Returns<string>(virtualPath => virtualPath);
RouteData routeData = new RouteData();
routeData.DataTokens["area"] = currentAreaName;
return new RequestContext(mockHttpContext.Object, routeData);
}
private static RouteCollection GetRouteCollection()
{
RouteCollection routes = new RouteCollection();
routes.MapRoute(
"Default",
"no-area/{controller}/{action}/{id}",
new { controller = "Home", action = "Index", id = "" }
);
AreaRegistrationContext blogContext = new AreaRegistrationContext("blog", routes);
blogContext.MapRoute(
"Blog_WhatsNew",
"whats-new/{tag}",
new { controller = "Home", action = "TenMostRecent", tag = "" }
);
blogContext.MapRoute(
"Blog_Default",
"blog-area/{controller}/{action}/{id}",
new { controller = "Home", action = "Index", id = "" }
);
AreaRegistrationContext adminContext = new AreaRegistrationContext("admin", routes);
adminContext.MapRoute(
"Admin_Default",
"admin-area/{controller}/{action}/{id}",
new { controller = "Home", action = "Index", id = "" }
);
return routes;
}
}
}
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