使用Pact的JAVA合约测试(CDC)

Question

我正在尝试为该服务编写合约测试：

@RestController
@RequestMapping(path = "/api/form")
public class FormController {
private RestOperations restOperations;
@Autowired
public FormController(RestOperations restOperations) {
this.restOperations = restOperations;
}

@PostMapping(path = "/submit", consumes = MediaType.APPLICATION_JSON_UTF8_VALUE, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public ResponseEntity<SubmitFormResponse> submitForm(@RequestBody @Valid SubmitFormCommand submitFormCommand) {
return restOperations.postForEntity("http://127.0.0.1:9000/api/form/submit", submitFormCommand, SubmitFormResponse.class);
}
}

SubmitFormCommand 仅包含字符串"message"，SubmitFormResponse包含布尔值"success">

我的 RestClient 用于此服务：

@Component
public class FormControllerClient {
@Autowired
private RestOperations restOperations;
public ResponseEntity<SubmitFormResponse> submitForm(SubmitFormCommand submitFormCommand) {
HttpEntity<SubmitFormCommand> request = new HttpEntity<>(submitFormCommand);
return restOperations.exchange("http://localhost:1234/api/form/submit", HttpMethod.POST, request, SubmitFormResponse.class);
}

消费者的合约测试类看起来像这样：

@RunWith(SpringRunner.class)
@SpringBootTest
public class ContactFormClientTest {
@Rule
public PactProviderRuleMk2 pactProviderRuleMk2 = new PactProviderRuleMk2("formservice", "localhost", 1234, this);
@Autowired
private FormControllerClient formControllerClient;
@Pact(state = "provider accets submit contact form", provider = "formservice", consumer = "formclient")
public RequestResponsePact submitFormPact(PactDslWithProvider builder) {
return builder
.given("provider accetps form submit")
.uponReceiving("a request to POST form")
.path("/api/form/submit")
.method("POST")
.willRespondWith()
.status(200)
.matchHeader("Content-Type", "application/json;charset=UTF-8")
.body(new PactDslJsonBody()
.stringType("message", "TestMessage"))
.toPact();
}
@Test
@PactVerification(fragment = "submitFormPact")
public void verifySubmitFormPact() {
SubmitFormCommand submitFormCommand = new SubmitFormCommand("TestMessage");
ResponseEntity<SubmitFormResponse> response = formControllerClient.submitForm(submitFormCommand);
assertNotNull(response);
}
}

每次我运行测试时，它都会说"连接被拒绝"，我不明白我在设置中做错了什么，在这种情况下，我的FormController将是消费者，因为它调用另一个服务来提交表单。

pom中的插件.xml用于构建Pact文件看起来像这样：

<plugin>
<!-- mvn pact:publish  -->
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven_2.11</artifactId>
<version>3.5.10</version>
<configuration>
<pactDirectory>../pacts</pactDirectory>
<pactBrokerUrl>http://localhost:1234</pactBrokerUrl>
<projectVersion>${project.version}</projectVersion>
</configuration>
</plugin>

Answer 1

问题是您将请求正文放在响应中。您的协议应如下所示：

@Pact(state = "provider accets submit contact form", provider = "formservice", consumer = "formclient")
public RequestResponsePact submitFormPact(PactDslWithProvider builder) {
return builder
.given("provider accetps form submit")
.uponReceiving("a request to POST form")
.path("/api/form/submit")
.method("POST")
.body(new PactDslJsonBody()
.stringType("message", "TestMessage"))
.willRespondWith()
.status(200)
.matchHeader("Content-Type", "application/json;charset=UTF-8")
.body(new PactDslJsonBody()
.booleanType("sucess", true))
.toPact();
}