起订量并抛出 SqlException

Now, I could change this to state that it should throw Exception, but that wouldn't work for me, because my method should return one status code if it is a SqlException and another if it is any other exception. That's what my unit test is testing.

有没有什么方法可以在不改变我正在测试的方法的逻辑或不测试这个场景的情况下实现这一点?

Is there any way to achieve this without either changing the logic of the method I'm testing, or not testing this scenario?

推荐答案

这应该可行:

using System.Runtime.Serialization;

var exception = FormatterServices.GetUninitializedObject(typeof(SqlException)) 
                as SqlException;

mockAccountDAL.Setup(m => m.CreateAccount(It.IsAny<string>(), "Display Name 2", 
                     It.IsAny<string>())).Throws(exception);

但是，使用 GetUninitializedObject 有这个警告:

However, using GetUninitializedObject has this caveat:

因为对象的新实例被初始化为零并且没有构造函数运行时，对象可能不代表一个状态被该对象视为有效.

Because the new instance of the object is initialized to zero and no constructors are run, the object might not represent a state that is regarded as valid by that object.

如果这会导致任何问题，您可能可以使用一些更复杂的反射魔法来创建它，但这种方式可能是最简单的(如果可行的话).

If this causes any problems, you can probably create it using some more involved reflection magic but this way is probably the simplest (if it works).

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