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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 Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing.Patterns;
using static Microsoft.AspNetCore.Routing.Matching.HttpMethodMatcherPolicy;
namespace Microsoft.AspNetCore.Routing.Matching;
public class HttpMethodMatcherPolicyTest
{
[Fact]
public void INodeBuilderPolicy_AppliesToNode_EndpointWithoutMetadata_ReturnsFalse()
{
// Arrange
var endpoints = new[] { CreateEndpoint("/", null), };
var policy = (INodeBuilderPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.False(result);
}
[Fact]
public void INodeBuilderPolicy_AppliesToNode_EndpointWithoutHttpMethods_ReturnsFalse()
{
// Arrange
var endpoints = new[]
{
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
};
var policy = (INodeBuilderPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.False(result);
}
[Fact]
public void INodeBuilderPolicy_AppliesToNode_EndpointHasHttpMethods_ReturnsTrue()
{
// Arrange
var endpoints = new[]
{
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
};
var policy = (INodeBuilderPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.True(result);
}
[Fact]
public void INodeBuilderPolicy_AppliesToNode_EndpointIsDynamic_ReturnsFalse()
{
// Arrange
var endpoints = new[]
{
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", }), new DynamicEndpointMetadata()),
};
var policy = (INodeBuilderPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.False(result);
}
[Fact]
public void IEndpointSelectorPolicy_AppliesToNode_EndpointWithoutMetadata_ReturnsTrue()
{
// Arrange
var endpoints = new[] { CreateEndpoint("/", null, new DynamicEndpointMetadata()), };
var policy = (IEndpointSelectorPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.True(result);
}
[Fact]
public void IEndpointSelectorPolicy_AppliesToNode_EndpointWithoutHttpMethods_ReturnsTrue()
{
// Arrange
var endpoints = new[]
{
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>()), new DynamicEndpointMetadata()),
};
var policy = (IEndpointSelectorPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.True(result);
}
[Fact]
public void IEndpointSelectorPolicy_AppliesToNode_EndpointHasHttpMethods_ReturnsTrue()
{
// Arrange
var endpoints = new[]
{
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>()), new DynamicEndpointMetadata()),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
};
var policy = (IEndpointSelectorPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.True(result);
}
[Fact]
public void IEndpointSelectorPolicy_AppliesToNode_EndpointIsNotDynamic_ReturnsFalse()
{
// Arrange
var endpoints = new[]
{
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
};
var policy = (IEndpointSelectorPolicy)CreatePolicy();
// Act
var result = policy.AppliesToEndpoints(endpoints);
// Assert
Assert.False(result);
}
[Theory]
[InlineData(1)]
[InlineData(2)]
public async Task IEndpointSelectorPolicy_ApplyAsync_ProcessesInvalidCandidate(int candidateNum)
{
var policy = (IEndpointSelectorPolicy)CreatePolicy();
var endpoints = new RouteEndpoint[candidateNum];
for (int i = 0; i < candidateNum; i++)
{
endpoints[i] = CreateEndpoint("/", new HttpMethodMetadata(new[] { "DEL" }));
}
var candidates = new CandidateSet(endpoints, new RouteValueDictionary[endpoints.Length], Enumerable.Repeat<int>(-1, candidateNum).ToArray());
var httpContext = new DefaultHttpContext();
await policy.ApplyAsync(httpContext, candidates);
Assert.Equal(httpContext.GetEndpoint().Metadata, EndpointMetadataCollection.Empty);
Assert.True(string.Equals(httpContext.GetEndpoint().DisplayName, Http405EndpointDisplayName, StringComparison.OrdinalIgnoreCase));
}
[Fact]
public void GetEdges_GroupsByHttpMethod()
{
// Arrange
var endpoints = new[]
{
// These are arrange in an order that we won't actually see in a product scenario. It's done
// this way so we can verify that ordering is preserved by GetEdges.
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", "PUT", "POST" })),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "PUT", "POST" })),
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
};
var policy = CreatePolicy();
// Act
var edges = policy.GetEdges(endpoints);
// Assert
Assert.Collection(
edges.OrderBy(e => e.State),
e =>
{
Assert.Equal(new EdgeKey(AnyMethod, isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("GET", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[0], endpoints[1], endpoints[2], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("POST", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], endpoints[3], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("PUT", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], endpoints[3], endpoints[4], }, e.Endpoints.ToArray());
});
}
[Fact]
public void GetEdges_GroupsByHttpMethod_Cors()
{
// Arrange
var endpoints = new[]
{
// These are arrange in an order that we won't actually see in a product scenario. It's done
// this way so we can verify that ordering is preserved by GetEdges.
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>())),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", "PUT", "POST" }, acceptCorsPreflight: true)),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "PUT", "POST" })),
CreateEndpoint("/", new HttpMethodMetadata(Array.Empty<string>(), acceptCorsPreflight: true)),
};
var policy = CreatePolicy();
// Act
var edges = policy.GetEdges(endpoints);
// Assert
Assert.Collection(
edges.OrderBy(e => e.State),
e =>
{
Assert.Equal(new EdgeKey(AnyMethod, isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey(AnyMethod, isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("GET", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[0], endpoints[1], endpoints[2], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("GET", isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[2], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("POST", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], endpoints[3], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("POST", isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[2], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("PUT", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], endpoints[3], endpoints[4], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("PUT", isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[2], endpoints[4], }, e.Endpoints.ToArray());
});
}
[Fact] // See explanation in GetEdges for how this case is different
public void GetEdges_GroupsByHttpMethod_CreatesHttp405Endpoint()
{
// Arrange
var endpoints = new[]
{
// These are arrange in an order that we won't actually see in a product scenario. It's done
// this way so we can verify that ordering is preserved by GetEdges.
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", "PUT", "POST" })),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "PUT", "POST" })),
};
var policy = CreatePolicy();
// Act
var edges = policy.GetEdges(endpoints);
// Assert
Assert.Collection(
edges.OrderBy(e => e.State),
e =>
{
Assert.Equal(new EdgeKey(AnyMethod, isCorsPreflightRequest: false), e.State);
Assert.Equal(Http405EndpointDisplayName, e.Endpoints.Single().DisplayName);
},
e =>
{
Assert.Equal(new EdgeKey("GET", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[0], endpoints[1], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("POST", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("PUT", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], }, e.Endpoints.ToArray());
});
}
[Fact] // See explanation in GetEdges for how this case is different
public void GetEdges_GroupsByHttpMethod_CreatesHttp405Endpoint_CORS()
{
// Arrange
var endpoints = new[]
{
// These are arrange in an order that we won't actually see in a product scenario. It's done
// this way so we can verify that ordering is preserved by GetEdges.
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", })),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "GET", "PUT", "POST" }, acceptCorsPreflight: true)),
CreateEndpoint("/", new HttpMethodMetadata(new[] { "PUT", "POST" })),
};
var policy = CreatePolicy();
// Act
var edges = policy.GetEdges(endpoints);
// Assert
Assert.Collection(
edges.OrderBy(e => e.State),
e =>
{
Assert.Equal(new EdgeKey(AnyMethod, isCorsPreflightRequest: false), e.State);
Assert.Equal(Http405EndpointDisplayName, e.Endpoints.Single().DisplayName);
},
e =>
{
Assert.Equal(new EdgeKey("GET", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[0], endpoints[1], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("GET", isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[1], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("POST", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("POST", isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[1], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("PUT", isCorsPreflightRequest: false), e.State);
Assert.Equal(new[] { endpoints[1], endpoints[2], }, e.Endpoints.ToArray());
},
e =>
{
Assert.Equal(new EdgeKey("PUT", isCorsPreflightRequest: true), e.State);
Assert.Equal(new[] { endpoints[1], }, e.Endpoints.ToArray());
});
}
private static RouteEndpoint CreateEndpoint(string template, HttpMethodMetadata httpMethodMetadata, params object[] more)
{
var metadata = new List<object>();
if (httpMethodMetadata != null)
{
metadata.Add(httpMethodMetadata);
}
if (more != null)
{
metadata.AddRange(more);
}
return new RouteEndpoint(
TestConstants.EmptyRequestDelegate,
RoutePatternFactory.Parse(template),
0,
new EndpointMetadataCollection(metadata),
$"test: {template}");
}
private static HttpMethodMatcherPolicy CreatePolicy()
{
return new HttpMethodMatcherPolicy();
}
private class DynamicEndpointMetadata : IDynamicEndpointMetadata
{
public bool IsDynamic => true;
}
}
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