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LazyWithMetadata_WhenMetadataIsSupplied.cs
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LazyWithMetadata_WhenMetadataIsSupplied.cs
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using System;
using Autofac.Test.Features.Metadata.TestTypes;
using Xunit;
namespace Autofac.Test.Features.LazyDependencies
{
public class LazyWithMetadata_WhenMetadataIsSupplied
{
private const int SuppliedValue = 123;
private IContainer _container;
public LazyWithMetadata_WhenMetadataIsSupplied()
{
var builder = new ContainerBuilder();
builder.RegisterType<object>().WithMetadata("TheInt", SuppliedValue);
_container = builder.Build();
}
[Fact]
public void ValuesAreProvidedFromMetadata()
{
var meta = _container.Resolve<Lazy<object, MyMeta>>();
Assert.Equal(SuppliedValue, meta.Metadata.TheInt);
}
[Fact]
public void ValuesProvidedAreUniqueToEachRegistration()
{
var builder = new ContainerBuilder();
builder.RegisterType<object>().WithMetadata("TheInt", 123);
builder.RegisterType<string>().WithMetadata("TheInt", 321);
_container = builder.Build();
var meta1 = _container.Resolve<Lazy<object, MyMeta>>();
Assert.Equal(123, meta1.Metadata.TheInt);
var meta2 = _container.Resolve<Lazy<string, MyMeta>>();
Assert.Equal(321, meta2.Metadata.TheInt);
}
[Fact]
public void ValuesProvidedFromMetadataOverrideDefaults()
{
var meta = _container.Resolve<Lazy<object, MyMetaWithDefault>>();
Assert.Equal(SuppliedValue, meta.Metadata.TheInt);
}
[Fact]
public void ValuesBubbleUpThroughAdapters()
{
var meta = _container.Resolve<Lazy<Func<object>, MyMeta>>();
Assert.Equal(SuppliedValue, meta.Metadata.TheInt);
}
}
}