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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;
namespace Microsoft.AspNetCore.Routing;
public class EndpointMetadataCollectionTests
{
[Fact]
public void Constructor_Enumeration_ContainsValues()
{
// Arrange & Act
var metadata = new EndpointMetadataCollection(new List<object>
{
1,
2,
3,
});
// Assert
Assert.Equal(3, metadata.Count);
Assert.Collection(metadata,
value => Assert.Equal(1, value),
value => Assert.Equal(2, value),
value => Assert.Equal(3, value));
}
[Fact]
public void Constructor_ParamsArray_ContainsValues()
{
// Arrange & Act
var metadata = new EndpointMetadataCollection(1, 2, 3);
// Assert
Assert.Equal(3, metadata.Count);
Assert.Collection(metadata,
value => Assert.Equal(1, value),
value => Assert.Equal(2, value),
value => Assert.Equal(3, value));
}
[Fact]
public void GetOrderedMetadata_CanReturnEmptyCollection()
{
// Arrange
var metadata = new EndpointMetadataCollection(1, 2, 3);
// Act
var ordered = metadata.GetOrderedMetadata<string>();
Assert.Same(Array.Empty<string>(), ordered);
}
[Fact]
public void GetOrderedMetadata_CanReturnNonEmptyCollection()
{
// Arrange
var metadata = new EndpointMetadataCollection("1", "2");
// Act
var ordered1 = metadata.GetOrderedMetadata<string>();
var ordered2 = metadata.GetOrderedMetadata<string>();
Assert.Same(ordered1, ordered2);
Assert.Equal(new string[] { "1", "2" }, ordered1);
}
[Fact]
public void GetRequiredMetadata_CanReturnMetadata()
{
// Arrange
var metadata = new EndpointMetadataCollection(1, "2");
// Act
var requiredMetadata = metadata.GetRequiredMetadata<string>();
Assert.Equal("2", requiredMetadata);
}
[Fact]
public void GetRequiredMetadata_ThrowsWhenMetadataNotFound()
{
// Arrange
var metadata = new EndpointMetadataCollection(1, 2);
// Act
Assert.Throws<InvalidOperationException>(() => metadata.GetRequiredMetadata<string>());
}
}
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