932 lines
33 KiB
C#
932 lines
33 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Routing.Constraints;
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using Microsoft.AspNetCore.Routing.EndpointFinders;
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using Microsoft.AspNetCore.Routing.Internal;
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using Microsoft.AspNetCore.Routing.Matchers;
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using Microsoft.AspNetCore.Routing.Patterns;
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using Microsoft.AspNetCore.Routing.TestObjects;
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using Microsoft.Extensions.Logging.Abstractions;
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using Microsoft.Extensions.ObjectPool;
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using Microsoft.Extensions.Options;
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using Moq;
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using Xunit;
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namespace Microsoft.AspNetCore.Routing
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{
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public class DefaultLinkGeneratorTest
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{
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[Fact]
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public void GetLink_Success()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(new { controller = "Home" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home", link);
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}
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[Fact]
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public void GetLink_Fail_ThrowsException()
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{
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// Arrange
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var expectedMessage = "Could not find a matching endpoint to generate a link.";
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(new { controller = "Home" });
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// Act & Assert
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var exception = Assert.Throws<InvalidOperationException>(
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() => linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues));
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Assert.Equal(expectedMessage, exception.Message);
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}
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[Fact]
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public void TryGetLink_Fail()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(new { controller = "Home" });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.False(canGenerateLink);
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Assert.Null(link);
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}
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[Fact]
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public void GetLink_MultipleEndpoints_Success()
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{
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// Arrange
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var endpoint1 = CreateEndpoint("{controller}/{action}/{id?}");
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var endpoint2 = CreateEndpoint("{controller}/{action}");
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var endpoint3 = CreateEndpoint("{controller}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(new { controller = "Home", action = "Index", id = "10" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint1, endpoint2, endpoint3 },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index/10", link);
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}
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[Fact]
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public void GetLink_MultipleEndpoints_Success2()
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{
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// Arrange
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var endpoint1 = CreateEndpoint("{controller}/{action}/{id}");
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var endpoint2 = CreateEndpoint("{controller}/{action}");
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var endpoint3 = CreateEndpoint("{controller}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(new { controller = "Home", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint1, endpoint2, endpoint3 },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index", link);
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}
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[Fact]
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public void GetLink_EncodesValues()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(
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suppliedValues: new { name = "name with %special #characters" },
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ambientValues: new { controller = "Home", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index?name=name%20with%20%25special%20%23characters", link);
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}
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[Fact]
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public void GetLink_ForListOfStrings()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(
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new { color = new List<string> { "red", "green", "blue" } },
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new { controller = "Home", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index?color=red&color=green&color=blue", link);
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}
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[Fact]
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public void GetLink_ForListOfInts()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(
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new { items = new List<int> { 10, 20, 30 } },
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new { controller = "Home", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index?items=10&items=20&items=30", link);
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}
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[Fact]
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public void GetLink_ForList_Empty()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(
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new { color = new List<string> { } },
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new { controller = "Home", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index", link);
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}
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[Fact]
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public void GetLink_ForList_StringWorkaround()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(
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new { page = 1, color = new List<string> { "red", "green", "blue" }, message = "textfortest" },
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new { controller = "Home", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index?page=1&color=red&color=green&color=blue&message=textfortest", link);
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}
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[Fact]
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public void GetLink_Success_AmbientValues()
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{
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// Arrange
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var endpoint = CreateEndpoint("{controller}/{action}");
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var linkGenerator = CreateLinkGenerator();
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var context = CreateRouteValuesContext(
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suppliedValues: new { action = "Index" },
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ambientValues: new { controller = "Home" });
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// Act
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var link = linkGenerator.GetLink(
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httpContext: null,
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index", link);
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}
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[Fact]
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public void RouteGenerationRejectsConstraints()
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{
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// Arrange
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var context = CreateRouteValuesContext(new { p1 = "abcd" });
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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"{p1}/{p2}",
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new { p2 = "catchall" },
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constraints: new { p2 = "\\d{4}" });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.False(canGenerateLink);
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}
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[Fact]
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public void RouteGenerationAcceptsConstraints()
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{
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// Arrange
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var context = CreateRouteValuesContext(new { p1 = "hello", p2 = "1234" });
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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"{p1}/{p2}",
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new { p2 = "catchall" },
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new { p2 = new RegexRouteConstraint("\\d{4}"), });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.True(canGenerateLink);
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Assert.Equal("/hello/1234", link);
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}
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[Fact]
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public void RouteWithCatchAllRejectsConstraints()
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{
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// Arrange
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var context = CreateRouteValuesContext(new { p1 = "abcd" });
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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"{p1}/{*p2}",
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new { p2 = "catchall" },
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new { p2 = new RegexRouteConstraint("\\d{4}") });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.False(canGenerateLink);
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}
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[Fact]
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public void RouteWithCatchAllAcceptsConstraints()
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{
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// Arrange
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var context = CreateRouteValuesContext(new { p1 = "hello", p2 = "1234" });
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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"{p1}/{*p2}",
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new { p2 = "catchall" },
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new { p2 = new RegexRouteConstraint("\\d{4}") });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.True(canGenerateLink);
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Assert.Equal("/hello/1234", link);
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}
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[Fact]
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public void GetLinkWithNonParameterConstraintReturnsUrlWithoutQueryString()
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{
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// Arrange
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var context = CreateRouteValuesContext(new { p1 = "hello", p2 = "1234" });
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var linkGenerator = CreateLinkGenerator();
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var target = new Mock<IRouteConstraint>();
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target
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.Setup(
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e => e.Match(
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It.IsAny<HttpContext>(),
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It.IsAny<IRouter>(),
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It.IsAny<string>(),
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It.IsAny<RouteValueDictionary>(),
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It.IsAny<RouteDirection>()))
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.Returns(true)
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.Verifiable();
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var endpoint = CreateEndpoint(
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"{p1}/{p2}",
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defaults: new { p2 = "catchall" },
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constraints: new { p2 = target.Object });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.True(canGenerateLink);
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Assert.Equal("/hello/1234", link);
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target.VerifyAll();
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}
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// Any ambient values from the current request should be visible to constraint, even
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// if they have nothing to do with the route generating a link
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[Fact]
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public void GetLink_ConstraintsSeeAmbientValues()
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{
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// Arrange
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var constraint = new CapturingConstraint();
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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template: "slug/Home/Store",
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defaults: new { controller = "Home", action = "Store" },
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constraints: new { c = constraint });
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var context = CreateRouteValuesContext(
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suppliedValues: new { action = "Store" },
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ambientValues: new { controller = "Home", action = "Blog", extra = "42" });
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var expectedValues = new RouteValueDictionary(
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new { controller = "Home", action = "Store", extra = "42" });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.True(canGenerateLink);
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Assert.Equal("/slug/Home/Store", link);
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Assert.Equal(expectedValues.OrderBy(kvp => kvp.Key), constraint.Values.OrderBy(kvp => kvp.Key));
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}
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// Non-parameter default values from the routing generating a link are not in the 'values'
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// collection when constraints are processed.
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[Fact]
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public void GetLink_ConstraintsDontSeeDefaults_WhenTheyArentParameters()
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{
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// Arrange
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var constraint = new CapturingConstraint();
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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template: "slug/Home/Store",
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defaults: new { controller = "Home", action = "Store", otherthing = "17" },
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constraints: new { c = constraint });
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var context = CreateRouteValuesContext(
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suppliedValues: new { action = "Store" },
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ambientValues: new { controller = "Home", action = "Blog" });
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var expectedValues = new RouteValueDictionary(
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new { controller = "Home", action = "Store" });
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// Act
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var link = linkGenerator.GetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/slug/Home/Store", link);
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Assert.Equal(expectedValues.OrderBy(kvp => kvp.Key), constraint.Values.OrderBy(kvp => kvp.Key));
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}
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// Default values are visible to the constraint when they are used to fill a parameter.
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[Fact]
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public void GetLink_ConstraintsSeesDefault_WhenThereItsAParamter()
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{
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// Arrange
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var constraint = new CapturingConstraint();
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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template: "slug/{controller}/{action}",
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defaults: new { action = "Index" },
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constraints: new { c = constraint, });
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var context = CreateRouteValuesContext(
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suppliedValues: new { controller = "Shopping" },
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ambientValues: new { controller = "Home", action = "Blog" });
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var expectedValues = new RouteValueDictionary(
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new { controller = "Shopping", action = "Index" });
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// Act
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var link = linkGenerator.GetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/slug/Shopping", link);
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Assert.Equal(expectedValues, constraint.Values);
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}
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// Default values from the routing generating a link are in the 'values' collection when
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// constraints are processed - IFF they are specified as values or ambient values.
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[Fact]
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public void GetLink_ConstraintsSeeDefaults_IfTheyAreSpecifiedOrAmbient()
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{
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// Arrange
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var constraint = new CapturingConstraint();
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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template: "slug/Home/Store",
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defaults: new { controller = "Home", action = "Store", otherthing = "17", thirdthing = "13" },
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constraints: new { c = constraint, });
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var context = CreateRouteValuesContext(
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suppliedValues: new { action = "Store", thirdthing = "13" },
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ambientValues: new { controller = "Home", action = "Blog", otherthing = "17" });
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var expectedValues = new RouteValueDictionary(
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new { controller = "Home", action = "Store", otherthing = "17", thirdthing = "13" });
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// Act
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var link = linkGenerator.GetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/slug/Home/Store", link);
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Assert.Equal(expectedValues.OrderBy(kvp => kvp.Key), constraint.Values.OrderBy(kvp => kvp.Key));
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}
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[Fact]
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public void GetLink_InlineConstraints_Success()
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{
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// Arrange
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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template: "Home/Index/{id:int}",
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defaults: new { controller = "Home", action = "Index" },
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constraints: new { });
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var context = CreateRouteValuesContext(
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suppliedValues: new { action = "Index", controller = "Home", id = 4 });
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// Act
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var link = linkGenerator.GetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues);
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// Assert
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Assert.Equal("/Home/Index/4", link);
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}
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[Fact]
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public void GetLink_InlineConstraints_NonMatchingvalue()
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{
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// Arrange
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var linkGenerator = CreateLinkGenerator();
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var endpoint = CreateEndpoint(
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template: "Home/Index/{id}",
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defaults: new { controller = "Home", action = "Index" },
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constraints: new {id = "int"});
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var context = CreateRouteValuesContext(
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suppliedValues: new { action = "Index", controller = "Home", id = "not-an-integer" });
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// Act
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var canGenerateLink = linkGenerator.TryGetLink(
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new DefaultHttpContext(),
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new[] { endpoint },
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context.ExplicitValues,
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context.AmbientValues,
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out var link);
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// Assert
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Assert.False(canGenerateLink);
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}
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[Fact]
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public void GetLink_InlineConstraints_OptionalParameter_ValuePresent()
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{
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// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "Home/Index/{id:int?}",
|
|
defaults: new { controller = "Home", action = "Index" },
|
|
constraints: new { });
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", id = 98 });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/98", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_InlineConstraints_OptionalParameter_ValueNotPresent()
|
|
{
|
|
// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "Home/Index/{id?}",
|
|
defaults: new { controller = "Home", action = "Index" },
|
|
constraints: new { id = "int" });
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_InlineConstraints_OptionalParameter_ValuePresent_ConstraintFails()
|
|
{
|
|
// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "Home/Index/{id?}",
|
|
defaults: new { controller = "Home", action = "Index" },
|
|
constraints: new { id = "int" });
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", id = "not-an-integer" });
|
|
|
|
// Act
|
|
var canGenerateLink = linkGenerator.TryGetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues,
|
|
out var link);
|
|
|
|
// Assert
|
|
Assert.False(canGenerateLink);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_InlineConstraints_MultipleInlineConstraints()
|
|
{
|
|
// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "Home/Index/{id:int:range(1,20)}",
|
|
defaults: new { controller = "Home", action = "Index" },
|
|
constraints: new { });
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", id = 14 });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/14", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_InlineConstraints_CompositeInlineConstraint_Fails()
|
|
{
|
|
// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "Home/Index/{id:int:range(1,20)}",
|
|
defaults: new { controller = "Home", action = "Index" },
|
|
constraints: new { });
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", id = 50 });
|
|
|
|
// Act
|
|
var canGenerateLink = linkGenerator.TryGetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues,
|
|
out var link);
|
|
|
|
// Assert
|
|
Assert.False(canGenerateLink);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_InlineConstraints_CompositeConstraint_FromConstructor()
|
|
{
|
|
// Arrange
|
|
var constraint = new MaxLengthRouteConstraint(20);
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "Home/Index/{name}",
|
|
defaults: new { controller = "Home", action = "Index" },
|
|
constraints: new { name = constraint });
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", name = "products" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/products", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_OptionalParameter_ParameterPresentInValues()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("{controller}/{action}/{name?}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", name = "products" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/products", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_OptionalParameter_ParameterNotPresentInValues()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("{controller}/{action}/{name?}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_ParameterNotPresentInTemplate_PresentInValues()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("{controller}/{action}/{name}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", name = "products", format = "json" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/products?format=json", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_OptionalParameter_FollowedByDotAfterSlash_ParameterPresent()
|
|
{
|
|
// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint(
|
|
template: "{controller}/{action}/.{name?}");
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home", name = "products" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/.products", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_OptionalParameter_FollowedByDotAfterSlash_ParameterNotPresent()
|
|
{
|
|
// Arrange
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var endpoint = CreateEndpoint("{controller}/{action}/.{name?}");
|
|
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
new DefaultHttpContext(),
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index/", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_OptionalParameter_InSimpleSegment()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("{controller}/{action}/{name?}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { action = "Index", controller = "Home" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/Home/Index", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_TwoOptionalParameters_OneValueFromAmbientValues()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("a/{b=15}/{c?}/{d?}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { },
|
|
ambientValues: new { c = "17" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/a/15/17", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_OptionalParameterAfterDefault_OneValueFromAmbientValues()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("a/{b=15}/{c?}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { },
|
|
ambientValues: new { c = "17" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/a/15/17", link);
|
|
}
|
|
|
|
[Fact]
|
|
public void GetLink_TwoOptionalParametersAfterDefault_LastValueFromAmbientValues()
|
|
{
|
|
// Arrange
|
|
var endpoint = CreateEndpoint("a/{b=15}/{c?}/{d?}");
|
|
var linkGenerator = CreateLinkGenerator();
|
|
var context = CreateRouteValuesContext(
|
|
suppliedValues: new { },
|
|
ambientValues: new { d = "17" });
|
|
|
|
// Act
|
|
var link = linkGenerator.GetLink(
|
|
httpContext: null,
|
|
new[] { endpoint },
|
|
context.ExplicitValues,
|
|
context.AmbientValues);
|
|
|
|
// Assert
|
|
Assert.Equal("/a", link);
|
|
}
|
|
|
|
private RouteValuesBasedEndpointFinderContext CreateRouteValuesContext(object suppliedValues, object ambientValues = null)
|
|
{
|
|
var context = new RouteValuesBasedEndpointFinderContext();
|
|
context.ExplicitValues = new RouteValueDictionary(suppliedValues);
|
|
context.AmbientValues = new RouteValueDictionary(ambientValues);
|
|
return context;
|
|
}
|
|
|
|
private MatcherEndpoint CreateEndpoint(
|
|
string template,
|
|
object defaults = null,
|
|
object constraints = null,
|
|
int order = 0,
|
|
EndpointMetadataCollection metadata = null)
|
|
{
|
|
return new MatcherEndpoint(
|
|
MatcherEndpoint.EmptyInvoker,
|
|
RoutePatternFactory.Parse(template, defaults, constraints),
|
|
new RouteValueDictionary(),
|
|
order,
|
|
metadata,
|
|
null);
|
|
}
|
|
|
|
private LinkGenerator CreateLinkGenerator()
|
|
{
|
|
return new DefaultLinkGenerator(
|
|
new DefaultMatchProcessorFactory(
|
|
Options.Create(new RouteOptions()),
|
|
Mock.Of<IServiceProvider>()),
|
|
new DefaultObjectPool<UriBuildingContext>(new UriBuilderContextPooledObjectPolicy()),
|
|
NullLogger<DefaultLinkGenerator>.Instance);
|
|
}
|
|
}
|
|
}
|