性能测试之nGrinder（2）——get请求

nGrinder主要分2大模块：性能测试（配置）、脚本

先创建脚本，脚本里维护请求

get请求范例脚本如下：

主要有1个点：参数化，从文件中获取参数（发现文件只能放在资源目录下，放其他目录提示找不到文件）

import static net.grinder.script.Grinder.grinder
import static org.junit.Assert.*
import static org.hamcrest.Matchers.*
import net.grinder.plugin.http.HTTPRequest
import net.grinder.plugin.http.HTTPPluginControl
import net.grinder.script.GTest
import net.grinder.script.Grinder
import net.grinder.scriptengine.groovy.junit.GrinderRunner
import net.grinder.scriptengine.groovy.junit.annotation.BeforeProcess
import net.grinder.scriptengine.groovy.junit.annotation.BeforeThread
// import static net.grinder.util.GrinderUtils.* // You can use this if you're using nGrinder after 3.2.3
import org.junit.Before
import org.junit.BeforeClass
import org.junit.Test
import org.junit.runner.RunWith

import java.util.Date
import java.util.List
import java.util.ArrayList

import HTTPClient.Cookie
import HTTPClient.CookieModule
import HTTPClient.HTTPResponse
import HTTPClient.NVPair

/**
 * A simple example using the HTTP plugin that shows the retrieval of a
 * single page via HTTP. 
 * 
 * This script is automatically generated by ngrinder.
 * 
 * @author admin
 */
@RunWith(GrinderRunner)
class TestRunner {

    public static GTest test
    public static HTTPRequest request
    public static NVPair[] headers = []
    public static NVPair[] params = []
    public static Cookie[] cookies = []
    public static List<String> memberidList
    public static String memberid

    @BeforeProcess
    public static void beforeProcess() {
        HTTPPluginControl.getConnectionDefaults().timeout = 6000
        test = new GTest(1, "voyager-xxxx-sit.gw")
        request = new HTTPRequest()
        // Set header datas
        List<NVPair> headerList = new ArrayList<NVPair>()
        headerList.add(new NVPair("token", "NTAyO4"))
        headerList.add(new NVPair("tenantId", "201"))
        headers = headerList.toArray()
        memberidList = new File("./resources/member_id.txt").readLines("GB2312")
        grinder.logger.info("before process.");
    }

    @BeforeThread 
    public void beforeThread() {
        test.record(this, "test")
        grinder.statistics.delayReports=true;
        grinder.logger.info("before thread.");
    }
    
    @Before
    public void before() {
        request.setHeaders(headers)
        cookies.each { CookieModule.addCookie(it, HTTPPluginControl.getThreadHTTPClientContext()) }
        memberid = memberidList.get(new Random().nextInt(memberidList.size())).toString()
        grinder.logger.info("before thread. init headers and cookies");
    }

    @Test
    public void test(){
        HTTPResponse result = request.GET("http://xxxxx.point/waiter/c/account/${memberid}", params)

        if (result.statusCode == 301 || result.statusCode == 302) {
            grinder.logger.warn("Warning. The response may not be correct. The response code was {}.", result.statusCode); 
        } else {
            assertThat(result.statusCode, is(200));
        }
    }
}