Moq 测试是否在 returns void 的方法中更改了属性

Moq test if an attribute was changed in a method that returns void

我想知道是否可以使用 Moq 进行测试,如果对象中的某些属性被某种方法更改,则该方法必须无效。

我想检查产品的属性 "FlgActive" 是否已从 true 更改为 false。

delete 方法无效,它只是将该标志更改为 false。

如果可能的话,我应该在我的设置中添加什么来检查?

示例:

测试

[TestMethod]
    public void DeletedProductFlagShouldBeFalse() //RN03
    {
        var product = new Product() { Id = 1, Name = "aaaaaa", Code = "aaaaaa", FlgActive = true };
        var so = new ServiceOrder() {  };

        var mockProductRepository = new Mock<IProductRepository>();
        mockProductRepository.Setup(p => p.Delete(product));

        var mockServiceOrderRepository = new Mock<IServiceOrderRepository>();
        mockServiceOrderRepository.Setup(o => o.GetProductById(product.Id)).Returns(new List<ServiceOrder> { so });

        var service = new ProductService(mockProductRepository.Object, mockServiceOrderRepository.Object);

        service.Delete(product);

        mockProductRepository.Verify(c => c.Delete(It.IsAny<Product>()), Times.Once());
        mockProductRepository.Verify((s => s.Commit()), Times.Once());

        Assert.IsFalse(product.FlgActive);
    }

服务

public void Delete(Product product)
    {
        Validate(product);
        repo.Delete(product);
        repo.Commit();
    }

存储库

public void Delete(Product product)
    {
        try
        {
            product.FlgActive = false;
            Update(product);
        }
        catch (Exception ex)
        {
            throw new Exception(ex.Message, ex);
        }
    }

将标志设置为 false 的不是您的服务,因此您不应从您的服务中测试该行为。该单元的工作是验证产品,然后将删除委托给存储库。

因此您可以从测试中删除该部分并重命名它:

[TestMethod]
public void DeletionShouldBeSentToRepository() //RN03
{
    var product = new Product() { Id = 1, Name = "aaaaaa", Code = "aaaaaa", FlgActive = true };
    var so = new ServiceOrder() {  };

    var mockProductRepository = new Mock<IProductRepository>();
    mockProductRepository.Setup(p => p.Delete(product));

    var mockServiceOrderRepository = new Mock<IServiceOrderRepository>();
    mockServiceOrderRepository.Setup(o => o.GetProductById(product.Id)).Returns(new List<ServiceOrder> { so });

    var service = new ProductService(mockProductRepository.Object, mockServiceOrderRepository.Object);

    service.Delete(product);

    mockProductRepository.Verify(c => c.Delete(product), Times.Once());
    mockProductRepository.Verify((s => s.Commit()), Times.Once());
}

注意:我很乐意确认我们将优质产品发送到仓库。我已将您的 It.IsAny 替换为您之前创建的产品。

既然我们已经涵盖了您服务的职责,我们可以测试存储库本身的删除行为,它应该如下所示:

[TestMethod]
public void DeletedProductFlagShouldBeFalse() //RN03
{
    var product = new Product() { Id = 1, Name = "aaaaaa", Code = "aaaaaa", FlgActive = true };

    IProductRepository repository = new ProductRepository();

    repository.Delete(product);

    Assert.IsFalse(product.FlgActive);
}

进行单元测试时,重要的是只测试当前 class 的行为,而不是副作用。