如何使用 REST Assured 将 Pact 测试的动态 id 从提供者注入到消费者

Question

我需要使用 Pact 测试和 REST Assured 检查 /meeting/id 类型的 api。 id 可能会更改，我想在测试之前创建一个项目并注入他们的 id 以覆盖作为合同 url 路径的一部分设置的内容，但不知道该怎么做？

这里是我的消费者：

@ExtendWith(PactConsumerTestExt.class)
public class PactConsumerTest {

Map<String, String> headers = new HashMap<>();


String storeMeetingPath = "/meeting/256";

@Pact(provider = VC, consumer = ED_UI)
public RequestResponsePact createPact(PactDslWithProvider builder) {

    headers.put("Content-Type", "application/json");
    headers.put("Accept", "application/json");

    return builder
            .given("A request to retrieve a meeting for a user")
            .uponReceiving("A request to retrieve a meeting for a user")
            .path(storeMeetingPath)
            .method("GET")
            .headers(headers)
            .willRespondWith()
            .body(new PactDslJsonBody()
                    .integerType("meetingId", 3)
                    .stringType("meetingTitle", "My title")
                    .stringType("meetingDescription", "My description"))
            .status(200)
            .toPact();
}


@Test
@PactTestFor(providerName = VC, port = "8080")
public void runTest() {

    //Mock url
    RestAssured.baseURI = "http://localhost:8080";
    RequestSpecification rq = RestAssured
            .given()
            .headers(headers)
            .when();

    rq.get(storeMeetingPath);

}

}

这里是我的提供者：

@Provider(VC)
@PactFolder("target/pacts")
public class PactProviderTest {

@TestTemplate
@ExtendWith(PactVerificationInvocationContextProvider.class)
void pactTestTemplate(PactVerificationContext context, HttpRequest request) {
    request.addHeader("Authorization", AUTHORIZATION_TOKEN);
    context.verifyInteraction();
}

@BeforeEach
void before(PactVerificationContext context) {
    context.setTarget(new HttpsTestTarget(getBasePactEndpoint(), 443, "/"));

    // Will create a meeting and retrieve the id from here but how to use this to overwrite what is there on the consumer?       

    getAuthorizationToken(UserType.TEACHER);
}

@State("A request to retrieve a meeting for a user")
public void sampleState() {

}

}

非常感谢。

Answer 1

我已经知道了这个问题的答案，如果它可能对其他人有所帮助：

替换消费者合同上的这一行

.path(storeMeetingPath)

有

.pathFromProviderState("/meeting/${id}", "/meeting/500") // 500 is just a sample for the data type to be inferred. It can be any value from that same type.

这样我们就有了一个带有默认值的模板。

并在提供者方面进行更改

@State("A request to retrieve a meeting for a user")
public void sampleState() {

} 

改为使用它，以便它返回一个映射，该映射将为要注入的元素设置键和值。

@State("A request to retrieve a meeting for a user")
public Map sampleState() {

    Map<String, Integer> map = new HashMap<>();
    map.put("id", 391); // id for the meeting I want to retrieve.

    return map;
}

辅助文档：

消费者：https://github.com/DiUS/pact-jvm/tree/master/consumer#having-values-injected-from-provider-state-callbacks

提供者：https://github.com/DiUS/pact-jvm/tree/master/provider/junit#returning-values-that-can-be-injected