[英]ServiceBusTrigger Unit testing with XUNIT
I have an Azure Function as below.我有一个 Azure 函数,如下所示。 In the following code, I'm adding a product to the database using Repository & EF Core.
在以下代码中,我使用 Repository 和 EF Core 将产品添加到数据库中。 Is there any way we can test it using
Xunit
?有什么方法可以使用
Xunit
进行测试吗? Currently, I'm testing this using Azure Service Bus Explorer
.目前,我正在使用
Azure Service Bus Explorer
对此进行测试。
[FunctionName("SaveProductData")]
public void Run([ServiceBusTrigger("mytopicname", Connection = "ServiceBusConnectionString")]
ProductItemUpdate message, ILogger log)
{
var product = new Domain.Entities.Product()
{
... prop init goes here.....
};
log.LogInformation($"Processed Product - Sain: {message.ProductId}");
_productRepository.Add(product);
}
To elaborate on scottdavidwalker's comment with a full example:用一个完整的例子来详细说明 scottdavidwalker 的评论:
public class SaveProductDataTests
{
private readonly Mock<IProductRepository> _mockProductRepository = new Mock<IProductRepository>();
private readonly Mock<ILogger> _mockLogger = new Mock<ILogger>();
private readonly SaveProductData _saveProductData;
public SaveProductDataTests()
{
_saveProductData = new SaveProductData(_mockProductRepository.Object);
}
[Fact]
public void Given_When_Then()
{
// arrange
var productItemUpdate = new ProductItemUpdate();
// act
_saveProductData.Run(productItemUpdate, _mockLogger.Object);
// assert
_mockProductRepository.Verify(x => x.Add(It.Is<Product>(p => p.SomeProperty == "xyz")));
}
}
You need to create an instance of the class you are testing and mock the dependencies.您需要创建一个正在测试的类的实例并模拟依赖项。
The Azure function is essentially a method ( .Run()
) inside the class which you can call on the instance. Azure 函数本质上是类中的一个方法 (
.Run()
),您可以在实例上调用它。
In your unit test, you create the data to trigger the method and then make assertions on your mocks for what you expect to happen when the code runs for real.在你的单元测试中,你创建数据来触发方法,然后在你的模拟上做出断言,当代码真正运行时你期望发生什么。
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