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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;
using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing.Patterns;
using Microsoft.AspNetCore.Routing.TestObjects;
using Xunit;
namespace Microsoft.AspNetCore.Routing.Matching;
public class DataSourceDependentMatcherTest
{
[Fact]
public void Matcher_Initializes_InConstructor()
{
// Arrange
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
// Act
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
// Assert
var inner = Assert.IsType<TestMatcher>(matcher.CurrentMatcher);
Assert.Empty(inner.Endpoints);
Assert.NotNull(lifetime.Cache);
}
[Fact]
public void Matcher_Reinitializes_WhenDataSourceChanges()
{
// Arrange
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
var endpoint = new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("a/b/c"),
0,
EndpointMetadataCollection.Empty,
"test");
// Act
dataSource.AddEndpoint(endpoint);
// Assert
var inner = Assert.IsType<TestMatcher>(matcher.CurrentMatcher);
Assert.Collection(
inner.Endpoints,
e => Assert.Same(endpoint, e));
}
[Fact]
public void Matcher_IgnoresUpdate_WhenDisposed()
{
// Arrange
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
var endpoint = new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("a/b/c"),
0,
EndpointMetadataCollection.Empty,
"test");
lifetime.Dispose();
// Act
dataSource.AddEndpoint(endpoint);
// Assert
var inner = Assert.IsType<TestMatcher>(matcher.CurrentMatcher);
Assert.Empty(inner.Endpoints);
}
[Fact]
public void Matcher_Ignores_NonRouteEndpoint()
{
// Arrange
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
var endpoint = new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "test");
dataSource.AddEndpoint(endpoint);
// Act
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
// Assert
var inner = Assert.IsType<TestMatcher>(matcher.CurrentMatcher);
Assert.Empty(inner.Endpoints);
}
[Fact]
public void Matcher_Ignores_SuppressedEndpoint()
{
// Arrange
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
var endpoint = new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/"),
0,
new EndpointMetadataCollection(new SuppressMatchingMetadata()),
"test");
dataSource.AddEndpoint(endpoint);
// Act
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
// Assert
var inner = Assert.IsType<TestMatcher>(matcher.CurrentMatcher);
Assert.Empty(inner.Endpoints);
}
[Fact]
public void Matcher_UnsuppressedEndpoint_IsUsed()
{
// Arrange
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
var endpoint = new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/"),
0,
new EndpointMetadataCollection(new SuppressMatchingMetadata(), new EncourageMatchingMetadata()),
"test");
dataSource.AddEndpoint(endpoint);
// Act
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
// Assert
var inner = Assert.IsType<TestMatcher>(matcher.CurrentMatcher);
Assert.Same(endpoint, Assert.Single(inner.Endpoints));
}
[Fact]
public void Matcher_ThrowsOnDuplicateEndpoints()
{
// Arrange
var expectedError = "Duplicate endpoint name 'Foo' found on '/bar' and '/foo'. Endpoint names must be globally unique.";
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
dataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/foo"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Foo")),
"/foo"
));
dataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/bar"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Foo")),
"/bar"
));
// Assert
var exception = Assert.Throws<InvalidOperationException>(
() => new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create));
Assert.Equal(expectedError, exception.Message);
}
[Fact]
public void Matcher_ThrowsOnDuplicateEndpointsFromMultipleSources()
{
// Arrange
var expectedError = "Duplicate endpoint name 'Foo' found on '/foo2' and '/foo'. Endpoint names must be globally unique.";
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
dataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/foo"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Foo")),
"/foo"
));
dataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/bar"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Bar")),
"/bar"
));
var anotherDataSource = new DynamicEndpointDataSource();
anotherDataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/foo2"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Foo")),
"/foo2"
));
var compositeDataSource = new CompositeEndpointDataSource(new[] { dataSource, anotherDataSource });
// Assert
var exception = Assert.Throws<InvalidOperationException>(
() => new DataSourceDependentMatcher(compositeDataSource, lifetime, TestMatcherBuilder.Create));
Assert.Equal(expectedError, exception.Message);
}
[Fact]
public void Matcher_ThrowsOnDuplicateEndpointAddedLater()
{
// Arrange
var expectedError = "Duplicate endpoint name 'Foo' found on '/bar' and '/foo'. Endpoint names must be globally unique.";
var dataSource = new DynamicEndpointDataSource();
var lifetime = new DataSourceDependentMatcher.Lifetime();
dataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/foo"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Foo")),
"/foo"
));
// Act (should be all good since no duplicate has been added yet)
var matcher = new DataSourceDependentMatcher(dataSource, lifetime, TestMatcherBuilder.Create);
// Assert that rerunning initializer throws AggregateException
var exception = Assert.Throws<AggregateException>(
() => dataSource.AddEndpoint(new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse("/bar"),
0,
new EndpointMetadataCollection(new EndpointNameMetadata("Foo")),
"/bar"
)));
Assert.Equal(expectedError, exception.InnerException.Message);
}
private class TestMatcherBuilder : MatcherBuilder
{
public static Func<MatcherBuilder> Create = () => new TestMatcherBuilder();
private List<RouteEndpoint> Endpoints { get; } = new List<RouteEndpoint>();
public override void AddEndpoint(RouteEndpoint endpoint)
{
Endpoints.Add(endpoint);
}
public override Matcher Build()
{
return new TestMatcher() { Endpoints = Endpoints, };
}
}
private class TestMatcher : Matcher
{
public IReadOnlyList<RouteEndpoint> Endpoints { get; set; }
public override Task MatchAsync(HttpContext httpContext)
{
throw new NotImplementedException();
}
}
private class EncourageMatchingMetadata : ISuppressMatchingMetadata
{
public bool SuppressMatching => false;
}
}
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