我让 xUnit/Moq/AutoFixture 成功地协同工作,以便我可以通过测试方法输入参数自动模拟对象。我创建了一个自定义[AutoMoqData]
我在每次测试中使用的属性。这是该属性的代码:
using System.Linq;
using AutoFixture;
using AutoFixture.AutoMoq;
using AutoFixture.Xunit2;
namespace Shared.TestResources.AutoFixture
{
public class AutoMoqDataAttribute : AutoDataAttribute
{
public AutoMoqDataAttribute() : base(() => new Fixture().Customize(new CompositeCustomization(new AutoMoqCustomization(), new SupportMutableValueTypesCustomization())))
{
this.Fixture.Behaviors.OfType<ThrowingRecursionBehavior>().ToList().ForEach(b => Fixture.Behaviors.Remove(b));
this.Fixture.Behaviors.Add(new OmitOnRecursionBehavior());
}
}
}
这有效,但我收到以下编译警告:warning CS0618: 'AutoDataAttribute.Fixture' is obsolete: 'Fixture is created lazily for the performance efficiency, so this property is deprecated as it activates the fixture immediately. If you need to customize the fixture, do that in the factory method passed to the constructor.'
我通过用一个包围它来消除警告#pragma
:
using System.Linq;
using AutoFixture;
using AutoFixture.AutoMoq;
using AutoFixture.Xunit2;
namespace Shared.TestResources.AutoFixture
{
public class AutoMoqDataAttribute : AutoDataAttribute
{
public AutoMoqDataAttribute() : base(() => new Fixture().Customize(new CompositeCustomization(new AutoMoqCustomization(), new SupportMutableValueTypesCustomization())))
{
#pragma warning disable 0618
this.Fixture.Behaviors.OfType<ThrowingRecursionBehavior>().ToList().ForEach(b => Fixture.Behaviors.Remove(b));
this.Fixture.Behaviors.Add(new OmitOnRecursionBehavior());
#pragma warning restore 0618
}
}
}
但是,我想正确设置它,而不必假装警告不存在。问题是,我无法找出其中两行的正确语法#pragma
.
有任何想法吗?
只需使用带有 body 的 lambda 来额外配置fixture
返回之前的实例:
public class AutoMoqDataAttribute : AutoDataAttribute
{
public AutoMoqDataAttribute() : base(() =>
{
var fixture = new Fixture().Customize(new CompositeCustomization(
new AutoMoqCustomization(),
new SupportMutableValueTypesCustomization()));
fixture.Behaviors.OfType<ThrowingRecursionBehavior>().ToList().ForEach(b => Fixture.Behaviors.Remove(b));
fixture.Behaviors.Add(new OmitOnRecursionBehavior());
return fixture;
})
{
}
}
这样一来Fixture
激活将是真正的惰性,您将获得预期的性能优化;-)
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