[英]C# PACT - Consumer Driven Contact testing - writing test for provider
I am trying to get my head about PACT and I am using the PACT-Net library to achieve this. 我正在努力使自己对PACT有所了解,并且正在使用PACT-Net库来实现这一目标。
My tests on the Consumer are working fine but I am trying to setup the tests on the Provider. 我对使用者的测试工作正常,但是我正在尝试对提供者进行测试。 I am using the basic Web API project that loads when you use the Web API template within Visual Studio - which creates the Values API controller. 我正在使用在Visual Studio中使用Web API模板时加载的基本Web API项目,该模板创建了Values API控制器。 I am just testing the Get IEumerable<string>
method as an end to end test of the process. 我只是在测试Get IEumerable<string>
方法作为该过程的端到端测试。 I am also following the example on the PACT-Net github site. 我也在PACT-Net github站点上关注该示例。 Here is the test I have so far: 这是我到目前为止的测试:
[Fact]
public void EnsureValuesReturnedFromApi()
{
var config = new PactVerifierConfig
{
Outputters = new List<IOutput>
{
new XUnitOutput(_output)
}
};
using (WebApp.Start<TestStartup>(serviceUri))
{
var pactVerifier = new PactVerifier(config);
pactVerifier.ProviderState($"{serviceUri}/provider-states")
.ServiceProvider("Values API", serviceUri)
.HonoursPactWith("Consumer")
.PactUri("http://localhost:8080/pacts/provider/Values%20API/consumer/Consumer/latest")
.Verify();
}
}
When ever I run the unit test I get the following error: 每当我运行单元测试时,都会出现以下错误:
Reading pact at http://localhost:8080/pacts/provider/Values%20API/consumer/Consumer/latest
Verifying a pact between Consumer and Values API
Given When I want the values
Getting a list
with GET /api/values
returns a response which
has status code 200 (FAILED - 1)
has a matching body (FAILED - 2)
includes headers
"Accept" with value "application/json" (FAILED - 3)
"Content-Type" with value "application/json" (FAILED - 4)
Failures:
1) Verifying a pact between Consumer and Values API Given When I want the values Getting a list with GET /api/values returns a response which has status code 200
Failure/Error: set_up_provider_state interaction.provider_state, options[:consumer]
Pact::ProviderVerifier::SetUpProviderStateError:
Error setting up provider state 'When I want the values' for consumer 'Consumer' at http://localhost:9222/provider-states. response status=500 response body=
2) Verifying a pact between Consumer and Values API Given When I want the values Getting a list with GET /api/values returns a response which has a matching body
Failure/Error: set_up_provider_state interaction.provider_state, options[:consumer]
Pact::ProviderVerifier::SetUpProviderStateError:
Error setting up provider state 'When I want the values' for consumer 'Consumer' at http://localhost:9222/provider-states. response status=500 response body=
3) Verifying a pact between Consumer and Values API Given When I want the values Getting a list with GET /api/values returns a response which includes headers "Accept" with value "application/json"
Failure/Error: set_up_provider_state interaction.provider_state, options[:consumer]
Pact::ProviderVerifier::SetUpProviderStateError:
Error setting up provider state 'When I want the values' for consumer 'Consumer' at http://localhost:9222/provider-states. response status=500 response body=
4) Verifying a pact between Consumer and Values API Given When I want the values Getting a list with GET /api/values returns a response which includes headers "Content-Type" with value "application/json"
Failure/Error: set_up_provider_state interaction.provider_state, options[:consumer]
Pact::ProviderVerifier::SetUpProviderStateError:
Error setting up provider state 'When I want the values' for consumer 'Consumer' at http://localhost:9222/provider-states. response status=500 response body=
1 interaction, 1 failure
Failed interactions:
* Getting a list given When I want the values
I guess my question is, do I need to actually test the HTTP calls to /api/values or am I missing something else? 我想我的问题是,我是否需要实际测试对/ api / values的HTTP调用,还是缺少其他内容?
Thanks 谢谢
So after speaking to a colleague and getting a hint, it was down to the Startup class. 因此,在与同事交谈并获得提示后,该问题由Startup类负责。 I hadn't realised it effectively starts the web application so 我没有意识到它可以有效地启动Web应用程序,所以
public class TestStartup
{
public void Configuration(IAppBuilder app)
{
var startup = new Startup();
app.Use<ProviderStateMiddleware>();
startup.Configuration(app);
}
}
calls the startup class within the application: 在应用程序内调用启动类:
public class Startup
{
public void Configuration(IAppBuilder app)
{
var httpConfig = new HttpConfiguration();
httpConfig.MapHttpAttributeRoutes();
httpConfig.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional }
);
var appXmlType = httpConfig.Formatters.XmlFormatter.SupportedMediaTypes
.FirstOrDefault(t => t.MediaType == "application/xml");
httpConfig.Formatters.XmlFormatter.SupportedMediaTypes.Remove(appXmlType);
app.UseWebApi(httpConfig);
}
}
and my unit test passed. 我的单元测试通过了。 Hope this helps someone. 希望这对某人有帮助。
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