.NET NUnit 测试 - Assembly.GetEntryAssembly() 为空 [英] .NET NUnit test - Assembly.GetEntryAssembly() is null

问题描述

当使用Assembly.GetEntryAssembly() 的类在单元测试中运行时，Assembly.GetEntryAssembly() 为null.

When class used Assembly.GetEntryAssembly() run in unit test, the Assembly.GetEntryAssembly() is null.

在单元测试期间是否有一些选项如何定义 Assembly.GetEntryAssembly()?

Is there some option how define Assembly.GetEntryAssembly() during unit testing?

推荐答案

你可以用 Rhino Mocks 做这样的事情:将 Assembly.GetEntryAssembly() 调用封装到一个带有接口 IAssemblyLoader 的类中，并将它注入到你正在测试的类中.这未经测试，但大致如下:

You could do something like this with Rhino Mocks: Encapsulate the Assembly.GetEntryAssembly() call into a class with interface IAssemblyLoader and inject it into the class your are testing. This is not tested but something along the lines of this:

[Test] public void TestSomething() {
  // arrange
  var stubbedAssemblyLoader = MockRepository.GenerateStub<IAssemblyLoader>();
  stubbedAssemblyLoader.Stub(x => x.GetEntryAssembly()).Return(Assembly.LoadFrom("assemblyFile"));

  // act      
  var myClassUnderTest = new MyClassUnderTest(stubbedAssemblyLoader);
  var result = myClassUnderTest.MethodToTest();

  // assert
  Assert.AreEqual("expected result", result);
}

public interface IAssemblyLoader {
  Assembly GetEntryAssembly();
}
public class AssemblyLoader : IAssemblyLoader {
  public Assembly GetEntryAssembly() {
    return Assembly.GetEntryAssembly();
  }
}

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