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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Text.Encodings.Web;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing.Constraints;
using Microsoft.AspNetCore.Routing.TestObjects;
using Microsoft.AspNetCore.InternalTesting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Extensions.Options;
using Microsoft.Extensions.WebEncoders.Testing;
using Moq;
namespace Microsoft.AspNetCore.Routing;
public class RouteTest
{
private static readonly RequestDelegate NullHandler = (c) => Task.CompletedTask;
private static readonly IInlineConstraintResolver _inlineConstraintResolver = GetInlineConstraintResolver();
[Fact]
public void CreateTemplate_InlineConstraint_Regex_Malformed()
{
// Arrange
var template = @"{controller}/{action}/ {p1:regex(abc} ";
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
var exception = Assert.Throws<RouteCreationException>(
() => new Route(
mockTarget.Object,
template,
defaults: null,
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver));
var expected = "An error occurred while creating the route with name '' and template" +
$" '{template}'.";
Assert.Equal(expected, exception.Message);
Assert.NotNull(exception.InnerException);
expected = "The constraint entry 'p1' - 'regex(abc' on the route " +
"'{controller}/{action}/ {p1:regex(abc} ' could not be resolved by the constraint resolver of type " +
$"'{nameof(DefaultInlineConstraintResolver)}'.";
Assert.Equal(expected, exception.InnerException.Message);
}
[Fact]
public async Task RouteAsync_MergesExistingRouteData_IfRouteMatches()
{
// Arrange
var template = "{controller}/{action}/{id:int}";
var context = CreateRouteContext("/Home/Index/5");
var originalRouteDataValues = context.RouteData.Values;
originalRouteDataValues.Add("country", "USA");
var originalDataTokens = context.RouteData.DataTokens;
originalDataTokens.Add("company", "Contoso");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: null,
dataTokens: new RouteValueDictionary(new { today = "Friday" }),
inlineConstraintResolver: _inlineConstraintResolver);
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(routeValues);
Assert.True(routeValues.ContainsKey("country"));
Assert.Equal("USA", routeValues["country"]);
Assert.True(routeValues.ContainsKey("id"));
Assert.Equal("5", routeValues["id"]);
Assert.True(context.RouteData.Values.ContainsKey("country"));
Assert.Equal("USA", context.RouteData.Values["country"]);
Assert.True(context.RouteData.Values.ContainsKey("id"));
Assert.Equal("5", context.RouteData.Values["id"]);
Assert.Same(originalRouteDataValues, context.RouteData.Values);
Assert.Equal("Contoso", context.RouteData.DataTokens["company"]);
Assert.Equal("Friday", context.RouteData.DataTokens["today"]);
Assert.Same(originalDataTokens, context.RouteData.DataTokens);
}
[Fact]
public async Task RouteAsync_MergesExistingRouteData_PassedToConstraint()
{
// Arrange
var template = "{controller}/{action}/{id:int}";
var context = CreateRouteContext("/Home/Index/5");
var originalRouteDataValues = context.RouteData.Values;
originalRouteDataValues.Add("country", "USA");
var originalDataTokens = context.RouteData.DataTokens;
originalDataTokens.Add("company", "Contoso");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var constraint = new CapturingConstraint();
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: new RouteValueDictionary(new { action = constraint }),
dataTokens: new RouteValueDictionary(new { today = "Friday" }),
inlineConstraintResolver: _inlineConstraintResolver);
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(routeValues);
Assert.True(routeValues.ContainsKey("country"));
Assert.Equal("USA", routeValues["country"]);
Assert.True(routeValues.ContainsKey("id"));
Assert.Equal("5", routeValues["id"]);
Assert.True(constraint.Values.ContainsKey("country"));
Assert.Equal("USA", constraint.Values["country"]);
Assert.True(constraint.Values.ContainsKey("id"));
Assert.Equal("5", constraint.Values["id"]);
Assert.True(context.RouteData.Values.ContainsKey("country"));
Assert.Equal("USA", context.RouteData.Values["country"]);
Assert.True(context.RouteData.Values.ContainsKey("id"));
Assert.Equal("5", context.RouteData.Values["id"]);
Assert.Equal("Contoso", context.RouteData.DataTokens["company"]);
Assert.Equal("Friday", context.RouteData.DataTokens["today"]);
}
[Fact]
public async Task RouteAsync_InlineConstraint_OptionalParameter()
{
// Arrange
var template = "{controller}/{action}/{id:int?}";
var context = CreateRouteContext("/Home/Index/5");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
Assert.NotEmpty(route.Constraints);
Assert.IsType<OptionalRouteConstraint>(route.Constraints["id"]);
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.True(routeValues.ContainsKey("id"));
Assert.Equal("5", routeValues["id"]);
Assert.True(context.RouteData.Values.ContainsKey("id"));
Assert.Equal("5", context.RouteData.Values["id"]);
}
[Fact]
public async Task RouteAsync_InlineConstraint_Regex()
{
// Arrange
var template = @"{controller}/{action}/{ssn:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}";
var context = CreateRouteContext("/Home/Index/123-456-7890");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
Assert.NotEmpty(route.Constraints);
Assert.IsType<RegexInlineRouteConstraint>(route.Constraints["ssn"]);
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.True(routeValues.ContainsKey("ssn"));
Assert.Equal("123-456-7890", routeValues["ssn"]);
Assert.True(context.RouteData.Values.ContainsKey("ssn"));
Assert.Equal("123-456-7890", context.RouteData.Values["ssn"]);
}
[Fact]
public async Task RouteAsync_InlineConstraint_OptionalParameter_NotPresent()
{
// Arrange
var template = "{controller}/{action}/{id:int?}";
var context = CreateRouteContext("/Home/Index");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
Assert.NotEmpty(route.Constraints);
Assert.IsType<OptionalRouteConstraint>(route.Constraints["id"]);
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.NotNull(routeValues);
Assert.False(routeValues.ContainsKey("id"));
Assert.False(context.RouteData.Values.ContainsKey("id"));
}
[Fact]
public async Task RouteAsync_InlineConstraint_OptionalParameter_WithInConstructorConstraint()
{
// Arrange
var template = "{controller}/{action}/{id:int?}";
var context = CreateRouteContext("/Home/Index/5");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var constraints = new Dictionary<string, object>();
constraints.Add("id", new RangeRouteConstraint(1, 20));
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: constraints,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
Assert.NotEmpty(route.Constraints);
Assert.IsType<OptionalRouteConstraint>(route.Constraints["id"]);
var innerConstraint = ((OptionalRouteConstraint)route.Constraints["id"]).InnerConstraint;
Assert.IsType<CompositeRouteConstraint>(innerConstraint);
var compositeConstraint = (CompositeRouteConstraint)innerConstraint;
Assert.Equal(2, compositeConstraint.Constraints.Count<IRouteConstraint>());
Assert.Single(compositeConstraint.Constraints, c => c is IntRouteConstraint);
Assert.Single(compositeConstraint.Constraints, c => c is RangeRouteConstraint);
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.True(routeValues.ContainsKey("id"));
Assert.Equal("5", routeValues["id"]);
Assert.True(context.RouteData.Values.ContainsKey("id"));
Assert.Equal("5", context.RouteData.Values["id"]);
}
[Fact]
public async Task RouteAsync_InlineConstraint_OptionalParameter_ConstraintFails()
{
// Arrange
var template = "{controller}/{action}/{id:range(1,20)?}";
var context = CreateRouteContext("/Home/Index/100");
IDictionary<string, object> routeValues = null;
var mockTarget = new Mock<IRouter>(MockBehavior.Strict);
mockTarget
.Setup(s => s.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>(ctx =>
{
routeValues = ctx.RouteData.Values;
ctx.Handler = NullHandler;
})
.Returns(Task.FromResult(true));
var route = new Route(
mockTarget.Object,
template,
defaults: null,
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
Assert.NotEmpty(route.Constraints);
Assert.IsType<OptionalRouteConstraint>(route.Constraints["id"]);
// Act
await route.RouteAsync(context);
// Assert
Assert.Null(context.Handler);
}
// PathString in HttpAbstractions guarantees a leading slash - so no value in testing other cases.
[Fact]
public async Task Match_Success_LeadingSlash()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateRouteContext("/Home/Index");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Equal(2, context.RouteData.Values.Count);
Assert.Equal("Home", context.RouteData.Values["controller"]);
Assert.Equal("Index", context.RouteData.Values["action"]);
}
[Fact]
public async Task Match_Success_RootUrl()
{
// Arrange
var route = CreateRoute("");
var context = CreateRouteContext("/");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Empty(context.RouteData.Values);
}
[Fact]
public async Task Match_Success_Defaults()
{
// Arrange
var route = CreateRoute("{controller}/{action}", new { action = "Index" });
var context = CreateRouteContext("/Home");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Equal(2, context.RouteData.Values.Count);
Assert.Equal("Home", context.RouteData.Values["controller"]);
Assert.Equal("Index", context.RouteData.Values["action"]);
}
[Fact]
public async Task Match_Success_CopiesDataTokens()
{
// Arrange
var route = CreateRoute(
"{controller}/{action}",
defaults: new { action = "Index" },
dataTokens: new { culture = "en-CA" });
var context = CreateRouteContext("/Home");
// Act
await route.RouteAsync(context);
Assert.NotNull(context.Handler);
// This should not affect the route - RouteData.DataTokens is a copy
context.RouteData.DataTokens.Add("company", "contoso");
// Assert
Assert.Single(route.DataTokens);
Assert.Single(route.DataTokens, kvp => kvp.Key == "culture" && ((string)kvp.Value) == "en-CA");
}
[Fact]
public async Task Match_Fails()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateRouteContext("/Home");
// Act
await route.RouteAsync(context);
// Assert
Assert.Null(context.Handler);
}
[Fact]
public async Task Match_RejectedByHandler()
{
// Arrange
var route = CreateRoute("{controller}", handleRequest: false);
var context = CreateRouteContext("/Home");
// Act
await route.RouteAsync(context);
// Assert
Assert.Null(context.Handler);
var value = Assert.Single(context.RouteData.Values);
Assert.Equal("controller", value.Key);
Assert.Equal("Home", Assert.IsType<string>(value.Value));
}
[Fact]
public async Task Match_SetsRouters()
{
// Arrange
var target = CreateTarget(handleRequest: true);
var route = CreateRoute(target, "{controller}");
var context = CreateRouteContext("/Home");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Equal(1, context.RouteData.Routers.Count);
Assert.Same(target, context.RouteData.Routers[0]);
}
[Fact]
public async Task Match_RouteValuesDoesntThrowOnKeyNotFound()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateRouteContext("/Home/Index");
// Act
await route.RouteAsync(context);
// Assert
Assert.Null(context.RouteData.Values["1controller"]);
}
[Fact]
public async Task Match_Success_OptionalParameter_ValueProvided()
{
// Arrange
var route = CreateRoute("{controller}/{action}.{format?}", new { action = "Index" });
var context = CreateRouteContext("/Home/Create.xml");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Equal(3, context.RouteData.Values.Count);
Assert.Equal("Home", context.RouteData.Values["controller"]);
Assert.Equal("Create", context.RouteData.Values["action"]);
Assert.Equal("xml", context.RouteData.Values["format"]);
}
[Fact]
public async Task Match_Success_OptionalParameter_ValueNotProvided()
{
// Arrange
var route = CreateRoute("{controller}/{action}.{format?}", new { action = "Index" });
var context = CreateRouteContext("/Home/Create");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Equal(2, context.RouteData.Values.Count);
Assert.Equal("Home", context.RouteData.Values["controller"]);
Assert.Equal("Create", context.RouteData.Values["action"]);
}
[Fact]
public async Task Match_Success_OptionalParameter_DefaultValue()
{
// Arrange
var route = CreateRoute("{controller}/{action}.{format?}", new { action = "Index", format = "xml" });
var context = CreateRouteContext("/Home/Create");
// Act
await route.RouteAsync(context);
// Assert
Assert.NotNull(context.Handler);
Assert.Equal(3, context.RouteData.Values.Count);
Assert.Equal("Home", context.RouteData.Values["controller"]);
Assert.Equal("Create", context.RouteData.Values["action"]);
Assert.Equal("xml", context.RouteData.Values["format"]);
}
[Fact]
public async Task Match_Success_OptionalParameter_EndsWithDot()
{
// Arrange
var route = CreateRoute("{controller}/{action}.{format?}", new { action = "Index" });
var context = CreateRouteContext("/Home/Create.");
// Act
await route.RouteAsync(context);
// Assert
Assert.Null(context.Handler);
}
private static RouteContext CreateRouteContext(string requestPath, ILoggerFactory factory = null)
{
if (factory == null)
{
factory = NullLoggerFactory.Instance;
}
var request = new Mock<HttpRequest>(MockBehavior.Strict);
request.SetupGet(r => r.Path).Returns(requestPath);
var context = new Mock<HttpContext>(MockBehavior.Strict);
context.Setup(m => m.RequestServices.GetService(typeof(ILoggerFactory)))
.Returns(factory);
context.SetupGet(c => c.Request).Returns(request.Object);
return new RouteContext(context.Object);
}
[Fact]
public void GetVirtualPath_Success()
{
// Arrange
var route = CreateRoute("{controller}");
var context = CreateVirtualPathContext(new { controller = "Home" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_Fail()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(new { controller = "Home" });
// Act
var path = route.GetVirtualPath(context);
// Assert
Assert.Null(path);
}
[Fact]
public void GetVirtualPath_EncodesValues()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(
new { name = "name with %special #characters" },
new { controller = "Home", action = "Index" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index?name=name%20with%20%25special%20%23characters", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_AlwaysUsesDefaultUrlEncoder()
{
// Arrange
var nameRouteValue = "name with %special #characters Jörn";
var expected = "/Home/Index?name=" + UrlEncoder.Default.Encode(nameRouteValue);
var services = new ServiceCollection();
services.AddSingleton<ILoggerFactory>(NullLoggerFactory.Instance);
services.AddOptions();
services.AddRouting();
// This test encoder should not be used by Routing and should always use the default one.
services.AddSingleton<UrlEncoder>(new UrlTestEncoder());
var httpContext = new DefaultHttpContext
{
RequestServices = services.BuildServiceProvider(),
};
var context = new VirtualPathContext(
httpContext,
values: new RouteValueDictionary(new { name = nameRouteValue }),
ambientValues: new RouteValueDictionary(new { controller = "Home", action = "Index" }));
var route = CreateRoute("{controller}/{action}");
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal(expected, pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_ForListOfStrings()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(
new { color = new List<string> { "red", "green", "blue" } },
new { controller = "Home", action = "Index" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index?color=red&color=green&color=blue", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_ForListOfInts()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(
new { items = new List<int> { 10, 20, 30 } },
new { controller = "Home", action = "Index" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index?items=10&items=20&items=30", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_ForList_Empty()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(
new { color = new List<string> { } },
new { controller = "Home", action = "Index" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_ForList_StringWorkaround()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(
new { page = 1, color = new List<string> { "red", "green", "blue" }, message = "textfortest" },
new { controller = "Home", action = "Index" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index?page=1&color=red&color=green&color=blue&message=textfortest", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Theory]
[MemberData(nameof(DataTokensTestData))]
public void GetVirtualPath_ReturnsDataTokens_WhenTargetReturnsVirtualPathData(
RouteValueDictionary dataTokens)
{
// Arrange
var path = "/TestPath";
var target = new Mock<IRouter>(MockBehavior.Strict);
target
.Setup(r => r.GetVirtualPath(It.IsAny<VirtualPathContext>()))
.Returns(() => new VirtualPathData(target.Object, path, dataTokens));
var routeDataTokens =
new RouteValueDictionary() { { "ThisShouldBeIgnored", "" } };
var route = CreateRoute(
target.Object,
"{controller}",
defaults: null,
dataTokens: routeDataTokens);
var context = CreateVirtualPathContext(new { controller = path });
var expectedDataTokens = dataTokens ?? new RouteValueDictionary();
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Same(target.Object, pathData.Router);
Assert.Equal(path, pathData.VirtualPath);
Assert.NotNull(pathData.DataTokens);
Assert.DoesNotContain(routeDataTokens.First().Key, pathData.DataTokens.Keys);
Assert.Equal(expectedDataTokens.Count, pathData.DataTokens.Count);
foreach (var dataToken in expectedDataTokens)
{
Assert.True(pathData.DataTokens.ContainsKey(dataToken.Key));
Assert.Equal(dataToken.Value, pathData.DataTokens[dataToken.Key]);
}
}
[Theory]
[MemberData(nameof(DataTokensTestData))]
public void GetVirtualPath_ReturnsDataTokens_WhenTargetReturnsNullVirtualPathData(
RouteValueDictionary dataTokens)
{
// Arrange
var path = "/TestPath";
var target = new Mock<IRouter>(MockBehavior.Strict);
target
.Setup(r => r.GetVirtualPath(It.IsAny<VirtualPathContext>()))
.Returns(() => null);
var route = CreateRoute(
target.Object,
"{controller}",
defaults: null,
dataTokens: dataTokens);
var context = CreateVirtualPathContext(new { controller = path });
var expectedDataTokens = dataTokens ?? new RouteValueDictionary();
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Same(route, pathData.Router);
Assert.Equal(path, pathData.VirtualPath);
Assert.NotNull(pathData.DataTokens);
Assert.Equal(expectedDataTokens.Count, pathData.DataTokens.Count);
foreach (var dataToken in expectedDataTokens)
{
Assert.True(pathData.DataTokens.ContainsKey(dataToken.Key));
Assert.Equal(dataToken.Value, pathData.DataTokens[dataToken.Key]);
}
}
[Fact]
public void GetVirtualPath_ValuesRejectedByHandler_StillGeneratesPath()
{
// Arrange
var route = CreateRoute("{controller}", handleRequest: false);
var context = CreateVirtualPathContext(new { controller = "Home" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_Success_AmbientValues()
{
// Arrange
var route = CreateRoute("{controller}/{action}");
var context = CreateVirtualPathContext(new { action = "Index" }, new { controller = "Home" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void RouteGenerationRejectsConstraints()
{
// Arrange
var context = CreateVirtualPathContext(new { p1 = "abcd" });
var route = CreateRoute(
"{p1}/{p2}",
new { p2 = "catchall" },
true,
new RouteValueDictionary(new { p2 = "\\d{4}" }));
// Act
var virtualPath = route.GetVirtualPath(context);
// Assert
Assert.Null(virtualPath);
}
[Fact]
public void RouteGenerationAcceptsConstraints()
{
// Arrange
var context = CreateVirtualPathContext(new { p1 = "hello", p2 = "1234" });
var route = CreateRoute(
"{p1}/{p2}",
new { p2 = "catchall" },
true,
new RouteValueDictionary(new { p2 = "\\d{4}" }));
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/hello/1234", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void RouteWithCatchAllRejectsConstraints()
{
// Arrange
var context = CreateVirtualPathContext(new { p1 = "abcd" });
var route = CreateRoute(
"{p1}/{*p2}",
new { p2 = "catchall" },
true,
new RouteValueDictionary(new { p2 = "\\d{4}" }));
// Act
var virtualPath = route.GetVirtualPath(context);
// Assert
Assert.Null(virtualPath);
}
[Fact]
public void RouteWithCatchAllAcceptsConstraints()
{
// Arrange
var context = CreateVirtualPathContext(new { p1 = "hello", p2 = "1234" });
var route = CreateRoute(
"{p1}/{*p2}",
new { p2 = "catchall" },
true,
new RouteValueDictionary(new { p2 = "\\d{4}" }));
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/hello/1234", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPathWithNonParameterConstraintReturnsUrlWithoutQueryString()
{
// Arrange
var context = CreateVirtualPathContext(new { p1 = "hello", p2 = "1234" });
var target = new Mock<IRouteConstraint>();
target
.Setup(
e => e.Match(
It.IsAny<HttpContext>(),
It.IsAny<IRouter>(),
It.IsAny<string>(),
It.IsAny<RouteValueDictionary>(),
It.IsAny<RouteDirection>()))
.Returns(true)
.Verifiable();
var route = CreateRoute(
"{p1}/{p2}",
new { p2 = "catchall" },
true,
new RouteValueDictionary(new { p2 = target.Object }));
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/hello/1234", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
target.VerifyAll();
}
// Any ambient values from the current request should be visible to constraint, even
// if they have nothing to do with the route generating a link
[Fact]
public void GetVirtualPath_ConstraintsSeeAmbientValues()
{
// Arrange
var constraint = new CapturingConstraint();
var route = CreateRoute(
template: "slug/{controller}/{action}",
defaults: null,
handleRequest: true,
constraints: new { c = constraint });
var context = CreateVirtualPathContext(
values: new { action = "Store" },
ambientValues: new { Controller = "Home", action = "Blog", extra = "42" });
var expectedValues = new RouteValueDictionary(
new { controller = "Home", action = "Store", extra = "42" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/slug/Home/Store", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
Assert.Equal(expectedValues, constraint.Values);
}
// Non-parameter default values from the routing generating a link are not in the 'values'
// collection when constraints are processed.
[Fact]
public void GetVirtualPath_ConstraintsDontSeeDefaults_WhenTheyArentParameters()
{
// Arrange
var constraint = new CapturingConstraint();
var route = CreateRoute(
template: "slug/{controller}/{action}",
defaults: new { otherthing = "17" },
handleRequest: true,
constraints: new { c = constraint });
var context = CreateVirtualPathContext(
values: new { action = "Store" },
ambientValues: new { Controller = "Home", action = "Blog" });
var expectedValues = new RouteValueDictionary(
new { controller = "Home", action = "Store" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/slug/Home/Store", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
Assert.Equal(expectedValues, constraint.Values);
}
// Default values are visible to the constraint when they are used to fill a parameter.
[Fact]
public void GetVirtualPath_ConstraintsSeesDefault_WhenThereItsAParameter()
{
// Arrange
var constraint = new CapturingConstraint();
var route = CreateRoute(
template: "slug/{controller}/{action}",
defaults: new { action = "Index" },
handleRequest: true,
constraints: new { c = constraint });
var context = CreateVirtualPathContext(
values: new { controller = "Shopping" },
ambientValues: new { Controller = "Home", action = "Blog" });
var expectedValues = new RouteValueDictionary(
new { controller = "Shopping", action = "Index" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/slug/Shopping", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
Assert.Equal(expectedValues, constraint.Values);
}
// Default values from the routing generating a link are in the 'values' collection when
// constraints are processed - IFF they are specified as values or ambient values.
[Fact]
public void GetVirtualPath_ConstraintsSeeDefaults_IfTheyAreSpecifiedOrAmbient()
{
// Arrange
var constraint = new CapturingConstraint();
var route = CreateRoute(
template: "slug/{controller}/{action}",
defaults: new { otherthing = "17", thirdthing = "13" },
handleRequest: true,
constraints: new { c = constraint });
var context = CreateVirtualPathContext(
values: new { action = "Store", thirdthing = "13" },
ambientValues: new { Controller = "Home", action = "Blog", otherthing = "17" });
var expectedValues = new RouteValueDictionary(
new { controller = "Home", action = "Store", otherthing = "17", thirdthing = "13" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/slug/Home/Store", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
Assert.Equal(expectedValues.OrderBy(kvp => kvp.Key), constraint.Values.OrderBy(kvp => kvp.Key));
}
[Fact]
public void GetVirtualPath_InlineConstraints_Success()
{
// Arrange
var route = CreateRoute("{controller}/{action}/{id:int}");
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", id = 4 });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/4", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_InlineConstraints_NonMatchingvalue()
{
// Arrange
var route = CreateRoute("{controller}/{action}/{id:int}");
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", id = "asf" });
// Act
var path = route.GetVirtualPath(context);
// Assert
Assert.Null(path);
}
[Fact]
public void GetVirtualPath_InlineConstraints_OptionalParameter_ValuePresent()
{
// Arrange
var route = CreateRoute("{controller}/{action}/{id:int?}");
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", id = 98 });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/98", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_InlineConstraints_OptionalParameter_ValueNotPresent()
{
// Arrange
var route = CreateRoute("{controller}/{action}/{id:int?}");
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_InlineConstraints_OptionalParameter_ValuePresent_ConstraintFails()
{
// Arrange
var route = CreateRoute("{controller}/{action}/{id:int?}");
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", id = "sdfd" });
// Act
var path = route.GetVirtualPath(context);
// Assert
Assert.Null(path);
}
[Fact]
public void GetVirtualPath_InlineConstraints_CompositeInlineConstraint()
{
// Arrange
var route = CreateRoute("{controller}/{action}/{id:int:range(1,20)}");
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", id = 14 });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/14", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_InlineConstraints_CompositeConstraint_FromConstructor()
{
// Arrange
var constraint = new MaxLengthRouteConstraint(20);
var route = CreateRoute(
template: "{controller}/{action}/{name:alpha}",
defaults: null,
handleRequest: true,
constraints: new { name = constraint });
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/products", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_ParameterPresentInValues()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/{name}.{format?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products", format = "xml" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/products.xml", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_ParameterNotPresentInValues()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/{name}.{format?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/products", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_ParameterPresentInValuesAndDefaults()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/{name}.{format?}",
defaults: new { format = "json" },
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products", format = "xml" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/products.xml", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_ParameterNotPresentInValues_PresentInDefaults()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/{name}.{format?}",
defaults: new { format = "json" },
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/products", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_ParameterNotPresentInTemplate_PresentInValues()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/{name}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products", format = "json" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/products?format=json", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_FollowedByDotAfterSlash_ParameterPresent()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/.{name?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home", name = "products" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/.products", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_FollowedByDotAfterSlash_ParameterNotPresent()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/.{name?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index/", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameter_InSimpleSegment()
{
// Arrange
var route = CreateRoute(
template: "{controller}/{action}/{name?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { action = "Index", controller = "Home" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.Equal("/Home/Index", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_TwoOptionalParameters_OneValueFromAmbientValues()
{
// Arrange
var route = CreateRoute(
template: "a/{b=15}/{c?}/{d?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { },
ambientValues: new { c = "17" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/a/15/17", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_OptionalParameterAfterDefault_OneValueFromAmbientValues()
{
// Arrange
var route = CreateRoute(
template: "a/{b=15}/{c?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { },
ambientValues: new { c = "17" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/a/15/17", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_TwoOptionalParametersAfterDefault_OneValueFromAmbientValues()
{
// Arrange
var route = CreateRoute(
template: "a/{b=15}/{c?}/{d?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { },
ambientValues: new { c = "17" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/a/15/17", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
[Fact]
public void GetVirtualPath_TwoOptionalParametersAfterDefault_LastValueFromAmbientValues()
{
// Arrange
var route = CreateRoute(
template: "a/{b=15}/{c?}/{d?}",
defaults: null,
handleRequest: true,
constraints: null);
var context = CreateVirtualPathContext(
values: new { },
ambientValues: new { d = "17" });
// Act
var pathData = route.GetVirtualPath(context);
// Assert
Assert.NotNull(pathData);
Assert.Equal("/a", pathData.VirtualPath);
Assert.Same(route, pathData.Router);
Assert.Empty(pathData.DataTokens);
}
private static VirtualPathContext CreateVirtualPathContext(object values)
{
return CreateVirtualPathContext(new RouteValueDictionary(values), null);
}
private static VirtualPathContext CreateVirtualPathContext(object values, object ambientValues)
{
return CreateVirtualPathContext(new RouteValueDictionary(values), new RouteValueDictionary(ambientValues));
}
private static VirtualPathContext CreateVirtualPathContext(
RouteValueDictionary values,
RouteValueDictionary ambientValues)
{
var services = new ServiceCollection();
services.AddSingleton<ILoggerFactory>(NullLoggerFactory.Instance);
services.AddOptions();
services.AddRouting();
var context = new DefaultHttpContext
{
RequestServices = services.BuildServiceProvider(),
};
return new VirtualPathContext(context, ambientValues, values);
}
private static VirtualPathContext CreateVirtualPathContext(string routeName)
{
return new VirtualPathContext(null, null, null, routeName);
}
public static IEnumerable<object[]> DataTokens
{
get
{
yield return new object[] {
new Dictionary<string, object> { { "key1", "data1" }, { "key2", 13 } },
new Dictionary<string, object> { { "key1", "data1" }, { "key2", 13 } },
};
yield return new object[] {
new RouteValueDictionary { { "key1", "data1" }, { "key2", 13 } },
new Dictionary<string, object> { { "key1", "data1" }, { "key2", 13 } },
};
yield return new object[] {
new object(),
new Dictionary<string,object>(),
};
yield return new object[] {
null,
new Dictionary<string, object>()
};
yield return new object[] {
new { key1 = "data1", key2 = 13 },
new Dictionary<string, object> { { "key1", "data1" }, { "key2", 13 } },
};
}
}
[Theory]
[MemberData(nameof(DataTokens))]
public void RegisteringRoute_WithDataTokens_AbleToAddTheRoute(object dataToken,
IDictionary<string, object> expectedDictionary)
{
// Arrange
var routeBuilder = CreateRouteBuilder();
// Act
routeBuilder.MapRoute("mockName",
"{controller}/{action}",
defaults: null,
constraints: null,
dataTokens: dataToken);
// Assert
var templateRoute = (Route)routeBuilder.Routes[0];
Assert.Equal(expectedDictionary.Count, templateRoute.DataTokens.Count);
foreach (var expectedKey in expectedDictionary.Keys)
{
Assert.True(templateRoute.DataTokens.ContainsKey(expectedKey));
Assert.Equal(expectedDictionary[expectedKey], templateRoute.DataTokens[expectedKey]);
}
}
[Fact]
public void RegisteringRoute_WithParameterPolicy_AbleToAddTheRoute()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
// Act
routeBuilder.MapRoute("mockName",
"{controller:test-policy}/{action}");
// Assert
var templateRoute = (Route)routeBuilder.Routes[0];
Assert.Empty(templateRoute.Constraints);
}
[Fact]
public void RegisteringRouteWithInvalidConstraints_Throws()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
// Assert
var expectedMessage = "An error occurred while creating the route with name 'mockName' and template" +
" '{controller}/{action}'.";
var exception = ExceptionAssert.Throws<RouteCreationException>(
() => routeBuilder.MapRoute("mockName",
"{controller}/{action}",
defaults: null,
constraints: new { controller = "a.*", action = 17 }),
expectedMessage);
expectedMessage = "The constraint entry 'action' - '17' on the route '{controller}/{action}' " +
"must have a string value or be of a type which implements '" +
typeof(IRouteConstraint) + "'.";
Assert.NotNull(exception.InnerException);
Assert.Equal(expectedMessage, exception.InnerException.Message);
}
[Fact]
public void RegisteringRouteWithTwoConstraints()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
var mockConstraint = new Mock<IRouteConstraint>().Object;
routeBuilder.MapRoute("mockName",
"{controller}/{action}",
defaults: null,
constraints: new { controller = "a.*", action = mockConstraint });
var constraints = ((Route)routeBuilder.Routes[0]).Constraints;
// Assert
Assert.Equal(2, constraints.Count);
Assert.IsType<RegexRouteConstraint>(constraints["controller"]);
Assert.Equal(mockConstraint, constraints["action"]);
}
[Fact]
public void RegisteringRouteWithOneInlineConstraintAndOneUsingConstraintArgument()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
// Act
routeBuilder.MapRoute("mockName",
"{controller}/{action}/{id:int}",
defaults: null,
constraints: new { id = "1*" });
// Assert
var constraints = ((Route)routeBuilder.Routes[0]).Constraints;
Assert.Equal(1, constraints.Count);
var constraint = (CompositeRouteConstraint)constraints["id"];
Assert.IsType<CompositeRouteConstraint>(constraint);
Assert.IsType<RegexRouteConstraint>(constraint.Constraints.ElementAt(0));
Assert.IsType<IntRouteConstraint>(constraint.Constraints.ElementAt(1));
}
[Fact]
public void RegisteringRoute_WithOneInlineConstraint_AddsItToConstraintCollection()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
// Act
routeBuilder.MapRoute("mockName",
"{controller}/{action}/{id:int}",
defaults: null,
constraints: null);
// Assert
var constraints = ((Route)routeBuilder.Routes[0]).Constraints;
Assert.Equal(1, constraints.Count);
Assert.IsType<IntRouteConstraint>(constraints["id"]);
}
[Fact]
public void RegisteringRouteWithRouteName_WithNullDefaults_AddsTheRoute()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
routeBuilder.MapRoute(name: "RouteName", template: "{controller}/{action}", defaults: null);
// Act
var name = ((Route)routeBuilder.Routes[0]).Name;
// Assert
Assert.Equal("RouteName", name);
}
[Fact]
public void RegisteringRouteWithRouteName_WithNullDefaultsAndConstraints_AddsTheRoute()
{
// Arrange
var routeBuilder = CreateRouteBuilder();
routeBuilder.MapRoute(name: "RouteName",
template: "{controller}/{action}",
defaults: null,
constraints: null);
// Act
var name = ((Route)routeBuilder.Routes[0]).Name;
// Assert
Assert.Equal("RouteName", name);
}
[Theory]
[InlineData("///")]
[InlineData("/a//")]
[InlineData("/a/b//")]
[InlineData("//b//")]
[InlineData("///c")]
[InlineData("///c/")]
public async Task RouteAsync_MultipleOptionalParameters_WithEmptyIntermediateSegmentsDoesNotMatch(string url)
{
// Arrange
var builder = CreateRouteBuilder();
builder.MapRoute(name: null,
template: "{controller?}/{action?}/{id?}",
defaults: null,
constraints: null);
var route = builder.Build();
var context = CreateRouteContext(url);
// Act
await route.RouteAsync(context);
// Assert
Assert.Null(context.Handler);
}
// DataTokens test data for TemplateRoute.GetVirtualPath
public static IEnumerable<object[]> DataTokensTestData
{
get
{
yield return new object[] { null };
yield return new object[] { new RouteValueDictionary() };
yield return new object[] { new RouteValueDictionary() { { "tokenKeyA", "tokenValueA" } } };
}
}
private static IRouteBuilder CreateRouteBuilder()
{
var services = new ServiceCollection();
services.AddSingleton<IInlineConstraintResolver>(_inlineConstraintResolver);
services.AddSingleton<RoutingMarkerService>();
services.AddSingleton<ParameterPolicyFactory, DefaultParameterPolicyFactory>();
services.Configure<RouteOptions>(ConfigureRouteOptions);
var applicationBuilder = Mock.Of<IApplicationBuilder>();
applicationBuilder.ApplicationServices = services.BuildServiceProvider();
var routeBuilder = new RouteBuilder(applicationBuilder);
routeBuilder.DefaultHandler = new RouteHandler(NullHandler);
return routeBuilder;
}
private static Route CreateRoute(string routeName, string template, bool handleRequest = true)
{
return new Route(
CreateTarget(handleRequest),
routeName,
template,
defaults: null,
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
}
private static Route CreateRoute(string template, bool handleRequest = true)
{
return new Route(CreateTarget(handleRequest), template, _inlineConstraintResolver);
}
private static Route CreateRoute(
string template,
object defaults,
bool handleRequest = true,
object constraints = null,
object dataTokens = null)
{
return new Route(
CreateTarget(handleRequest),
template,
new RouteValueDictionary(defaults),
new RouteValueDictionary(constraints),
new RouteValueDictionary(dataTokens),
_inlineConstraintResolver);
}
private static Route CreateRoute(IRouter target, string template)
{
return new Route(
target,
template,
new RouteValueDictionary(),
constraints: null,
dataTokens: null,
inlineConstraintResolver: _inlineConstraintResolver);
}
private static Route CreateRoute(
IRouter target,
string template,
object defaults,
RouteValueDictionary dataTokens = null)
{
return new Route(
target,
template,
new RouteValueDictionary(defaults),
constraints: null,
dataTokens: dataTokens,
inlineConstraintResolver: _inlineConstraintResolver);
}
private static IRouter CreateTarget(bool handleRequest = true)
{
var target = new Mock<IRouter>(MockBehavior.Strict);
target
.Setup(e => e.GetVirtualPath(It.IsAny<VirtualPathContext>()))
.Returns<VirtualPathContext>(rc => null);
target
.Setup(e => e.RouteAsync(It.IsAny<RouteContext>()))
.Callback<RouteContext>((c) => c.Handler = handleRequest ? NullHandler : null)
.Returns(Task.FromResult<object>(null));
return target.Object;
}
private static IInlineConstraintResolver GetInlineConstraintResolver()
{
var routeOptions = new RouteOptions();
ConfigureRouteOptions(routeOptions);
var routeOptionsMock = new Mock<IOptions<RouteOptions>>();
routeOptionsMock
.SetupGet(o => o.Value)
.Returns(routeOptions);
return new DefaultInlineConstraintResolver(routeOptionsMock.Object, new TestServiceProvider());
}
private static void ConfigureRouteOptions(RouteOptions options)
{
options.ConstraintMap["test-policy"] = typeof(TestPolicy);
options.SetParameterPolicy<RegexInlineRouteConstraint>("regex");
}
private class TestPolicy : IParameterPolicy
{
}
}
|