使用mockserver来进行http接口mock

前言

进行单元测试时，必须要mock掉第三方的依赖调用，而mockserver提供了足够的api来支持这种http的mock，现在简单介绍如何使用mockserver进行http接口mock。

依赖

mockserver依赖
1. <dependency>
2. <groupId>org.mock-server</groupId>
3. <artifactId>mockserver-netty</artifactId>
4. <version>3.10.4</version>
5. </dependency>
httpclient依赖

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.3.3</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.3.2</version>
</dependency>

httpclient的版本可能会出现不一致的情况，抛出异常，以上的这个版本匹配是没有异常的组合。

举例

package com.yuliang.dubbo.service;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.junit.Rule;
import org.junit.Test;
import org.mockserver.client.server.MockServerClient;
import org.mockserver.junit.MockServerRule;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockserver.model.HttpRequest.request;
import static org.mockserver.model.HttpResponse.response;
/**
* Created by leo on 16/8/16.
*/
public class MockServerTest {
@Rule
public MockServerRule server = new MockServerRule(this, 5000);
@Test
public void testMockServer() throws IOException {
MockServerClient mockClient = new MockServerClient("localhost", 5000);
String expected = "{ message: 'incorrect username and password combination' }";
mockClient.when(
request()
.withPath("/hello/John")
.withMethod("GET")
// .withHeader(new Header(HttpHeaders.ACCEPT, MediaType.TEXT_PLAIN))
// .withQueryStringParameter(new Parameter("my-token", "12345"))
).respond(
response()
.withStatusCode(200)
.withBody(expected)
);
CloseableHttpClient client = HttpClients.createDefault();
HttpGet httpGet = new HttpGet("http://localhost:5000/hello/John");
CloseableHttpResponse response = client.execute(httpGet);
//验证输出是否是正确
InputStream content = response.getEntity().getContent();
InputStreamReader inputStreamReader = new InputStreamReader(content);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String responseText = bufferedReader.readLine();
assertThat(responseText, equalTo(expected));
}
}

mock http post请求
1. @Test
2. public void testPostMockServer() throws IOException {
3. MockServerClient mockClient = new MockServerClient("localhost", 5000);
4. String expected = "You have logged in successfully.";
5. mockClient.when(
6. request()
7. .withPath("/hello/John")
8. .withMethod("POST")
9. .withHeader(new Header(HttpHeaders.ACCEPT, MediaType.TEXT_PLAIN))
10. // .withQueryStringParameter(new Parameter("my-token", "12345"))
11. .withBody("username=foo&password=123456")
12. ).respond(
13. response()
14. .withStatusCode(200)
15. .withBody(expected)
16. );
17. CloseableHttpClient client = HttpClients.createDefault();
18. HttpPost httpPost = new HttpPost("http://localhost:5000/hello/John");
19. httpPost.addHeader("Accept", "text/plain");
20. ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
21. nameValuePairs.add(new BasicNameValuePair("username", "foo"));
22. nameValuePairs.add(new BasicNameValuePair("password", "123456"));
23. httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
24. CloseableHttpResponse response = client.execute(httpPost);
25. //验证输出是否是正确
26. InputStream content = response.getEntity().getContent();
27. InputStreamReader inputStreamReader = new InputStreamReader(content);
28. BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
29. String responseText = bufferedReader.readLine();
30. assertThat(responseText, equalTo(expected));
31. }

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使用mockserver来进行http接口mock

前言

依赖

举例

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