压测脚本

/*
 * This Java source file was generated by the Gradle 'init' task.
 */
package week06;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import java.io.IOException;
public class App {
    public Long httpGet(String url) {
        OkHttpClient client = new OkHttpClient().newBuilder()
            //.addNetworkInterceptor(new NetworkInterceptorRecord())
            .build();
        Request request = new Request.Builder()
            .url(url)
            .build();
        try (Response response = client.newCall(request).execute()) {
            return response.receivedResponseAtMillis() - response.sentRequestAtMillis();
        } catch(IOException ex) {
            return 0L;
        }
    }
}

/*
 * This Java source file was generated by the Gradle 'init' task.
 */
package week06;
import org.junit.Test;
import static org.junit.Assert.*;
import java.util.List;
import java.util.ArrayList;
import java.util.stream.Collectors;
import java.util.concurrent.CompletableFuture;
import java.io.IOException;
public class AppTest {
    @Test public void testAppHasAGreeting() throws IOException{
        int times = 10;
        //
        String url = "https://www.baidu.com";
        List<App> apps = new ArrayList<>();
        for (int i = 0; i < times; i++) {
            apps.add(new App());
        }
        //
        for (int i = 0; i < times; i++) {
            long startReq = System.currentTimeMillis();
            List<Long> cost = apps.parallelStream()
                .map(app -> app.httpGet(url))
                .collect(Collectors.toList());
            long endReq = System.currentTimeMillis();
            System.out.println("共耗时:"+(endReq - startReq));
        }
        //
        //System.out.println("共耗时:"+(endReq - startReq));
        //assertEquals("app should have a greeting", times, cost.size());
    }
}