理论与测试 Nunit [英] Theory vs Test Nunit

问题描述

我刚刚阅读了 Nunit 2.5 文档并遇到了 Theory属性，我在理解这与普通单元测试有何不同以及如何使用它时有点困难.

I was just reading through the Nunit 2.5 docs and came across the Theory attribute, and I'm having a little bit trouble understanding how this is different to a normal unit test and how it could be used.

它与普通测试有何不同?

What makes it different from a normal test?

你会在什么情况下使用这种测试?

What situations would you use this kind of test?

我似乎无法理解它:(

推荐答案

A Theory 类似于参数化测试，具有定义必须通过的假设的附加能力，这些假设在实际执行测试及其断言之前进行检查.

A Theory is similar to a parameterized test, with the additional ability to define assumptions under which it must pass, which are checked before actually performing the test and its assertions.

基本上，如果您有大量数据点并且想要检查应该保证的特定行为，则可以使用它 - 但并非总是如此，仅在特定前置条件.

Basically, it could be used if you have a lot of data points and want to check a certain behaviour that should be guaranteed - but not always, only under certain preconditions.

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