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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 Microsoft.AspNetCore.Http;
using Xunit;
namespace Microsoft.AspNetCore.Routing
{
public class DefaultEndpointDataSourceTests
{
[Fact]
public void Constructor_Params_EndpointsInitialized()
{
// Arrange & Act
var dataSource = new DefaultEndpointDataSource(
new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "1"),
new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "2")
);
// Assert
Assert.Collection(dataSource.Endpoints,
endpoint => Assert.Equal("1", endpoint.DisplayName),
endpoint => Assert.Equal("2", endpoint.DisplayName));
}
[Fact]
public void Constructor_Params_ShouldMakeCopyOfEndpoints()
{
// Arrange
var endpoint1 = new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "1");
var endpoint2 = new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "2");
var endpoints = new[] { endpoint1, endpoint2 };
// Act
var dataSource = new DefaultEndpointDataSource(endpoints);
Array.Resize(ref endpoints, 1);
endpoints[0] = null;
// Assert
Assert.Equal(2, dataSource.Endpoints.Count);
Assert.Contains(endpoint1, dataSource.Endpoints);
Assert.Contains(endpoint2, dataSource.Endpoints);
}
[Fact]
public void Constructor_Params_ShouldThrowArgumentNullExceptionWhenEndpointsIsNull()
{
Endpoint[] endpoints = null;
var actual = Assert.Throws<ArgumentNullException>(() => new DefaultEndpointDataSource(endpoints));
Assert.Equal("endpoints", actual.ParamName);
}
[Fact]
public void Constructor_Enumerable_EndpointsInitialized()
{
// Arrange & Act
var dataSource = new DefaultEndpointDataSource(new List<Endpoint>
{
new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "1"),
new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "2")
});
// Assert
Assert.Collection(dataSource.Endpoints,
endpoint => Assert.Equal("1", endpoint.DisplayName),
endpoint => Assert.Equal("2", endpoint.DisplayName));
}
[Fact]
public void Constructor_Enumerable_ShouldMakeCopyOfEndpoints()
{
// Arrange
var endpoint1 = new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "1");
var endpoint2 = new Endpoint(TestConstants.EmptyRequestDelegate, EndpointMetadataCollection.Empty, "2");
var endpoints = new List<Endpoint> { endpoint1, endpoint2 };
// Act
var dataSource = new DefaultEndpointDataSource((IEnumerable<Endpoint>)endpoints);
endpoints.RemoveAt(0);
endpoints[0] = null;
// Assert
Assert.Equal(2, dataSource.Endpoints.Count);
Assert.Contains(endpoint1, dataSource.Endpoints);
Assert.Contains(endpoint2, dataSource.Endpoints);
}
[Fact]
public void Constructor_Enumerable_ShouldThrowArgumentNullExceptionWhenEndpointsIsNull()
{
IEnumerable<Endpoint> endpoints = null;
var actual = Assert.Throws<ArgumentNullException>(() => new DefaultEndpointDataSource(endpoints));
Assert.Equal("endpoints", actual.ParamName);
}
}
}
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