使用MockWebServer返回gzip响应

import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.Headers;
import okhttp3.MediaType;
import okhttp3.ResponseBody;
import java.io.IOException;
import java.util.zip.GZIPInputStream;

public class MockWebServerExample {
    public static void main(String[] args) throws IOException {
        MockWebServer server = new MockWebServer();

        // 定义预期的请求和响应
        MockResponse response = new MockResponse()
                .setResponseCode(200)
                .setHeader("Content-Encoding", "gzip")
                .setBody(gzipCompress("Hello, World!"));

        // 将预期的请求和响应入队
        server.enqueue(response);

        // 启动MockWebServer
        server.start();

        // 发送请求并获取响应
        OkHttpClient client = new OkHttpClient();
        Request request = new Request.Builder()
                .url(server.url("/"))
                .build();
        Response response = client.newCall(request).execute();

        // 解压缩响应
        String responseBody = ungzipResponse(response.body().bytes());

        // 打印响应结果
        System.out.println(responseBody);

        // 关闭MockWebServer
        server.shutdown();
    }

    // gzip压缩数据
    private static byte[] gzipCompress(String data) throws IOException {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        GZIPOutputStream gzip = new GZIPOutputStream(bos);
        gzip.write(data.getBytes("UTF-8"));
        gzip.close();
        return bos.toByteArray();
    }

    // 解压缩响应数据
    private static String ungzipResponse(byte[] data) throws IOException {
        ByteArrayInputStream bis = new ByteArrayInputStream(data);
        GZIPInputStream gzip = new GZIPInputStream(bis);
        BufferedReader br = new BufferedReader(new InputStreamReader(gzip, "UTF-8"));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line);
        }
        br.close();
        gzip.close();
        return sb.toString();
    }
}