Step01: Python脚本开发
文件路径:D://wl//testproject//Fone-grpc//project1//test_client.py
Python 脚本作用:
1.通过 grpc 调用底层 c++ 的接口,做数据库的数据插入与查询操作,然后将返回的结果进行拼接与输出。
2.代码内里将每一次调用后返回的内容进行拼接后,并做了成功信息的统计,输出成功的次数为3,输出后会转给 jmeter 内里的脚本获取。
- from __future__ import print_function
- import logging
- import sys
- import grpc
- import Storage_pb2 # Storage_pb2.py which contains our generated request and response classes
- import StorageService_pb2_grpc # StorageService_pb2_grpc.py which contains our generated client and server classes.
- host="10.10.1.117:50066"
- def run():
- result=""
- with grpc.insecure_channel(host) as channel:
- resp0=StorageService_pb2_grpc.FOneStorageStub(channel).InsertKVS(Storage_pb2.PUpsertKVS(
- DBName="MergeLog",TableName="MergeLog",KeyValues=[{"Key":b'',"Key":b''}],Upsert=True,Transaction=True
- ))
- result+=str(resp0)
- with grpc.insecure_channel(host) as channel:
- stud1=StorageService_pb2_grpc.FOneStorageStub(channel)
- resp1=stud1.InsertV(Storage_pb2.PInsertV(DBName="MergeLog", TableName="MergeLog", Value=b"1"))
- result += str(resp1)
-
- with grpc.insecure_channel(host) as channel:
- stud2=StorageService_pb2_grpc.FOneStorageStub(channel)
- resp2=stud2.FindOne(Storage_pb2.PFindK(DBName="MergeLog", TableName="MergeLog", Key="1"))
- result += str(resp2)
- result=result.replace("\n", " ")
- result=result.count("Successful return: 0")
- print(result)
- if __name__ == '__main__':
- logging.basicConfig()
- run()
复制代码 PS:在当地调试好脚本,确保符合预期。
Step02: Jmeter 创建 beanshell 取样器
脚本内容如下:
- import java.io.BufferedReader;
- import java.io.InputStreamReader;
- log.info("----------------------------start to exe");
- String command = "cmd /c python D://wl//testproject//Fone-grpc//project1//test_client.py"; //定义要执行的python文件路径
- String var;
- Runtime rt = Runtime.getRuntime();
- Process pr = rt.exec(command); //执行上面的python脚本
- pr.waitFor()
- BufferedReader b = new BufferedReader(new InputStreamReader(pr.getInputStream())); // 转换执行脚本后的返回响应
- String line = "";
- StringBuilder response = new StringBuilder();
- while ((line = b.readLine()) != null) {
- response.append(line);
- }
- String response_data = response.toString();
- log.info(response_data);
- if(response_data.equals("3")){ // 判断响应的内容是否有3次,如果不是3次就表示执行失败了
- log.info("---------------------------success end exe");
- }else{
- log.error("--------------------------failed end exe"); //这里的输出一次会记录一次失败次数
- }
- b.close();
复制代码 Step03: 实行效果
通过 jmeter 工具进行并发操作,对后端底层接口进行压力测试,效果不错,效果图如下所示。
Step04: Jmeter日志输出
- 2023-02-22 17:26:08,539 INFO o.a.j.t.JMeterThread: Stopping because end time detected by thread: 线程组--python 1-33
- 2023-02-22 17:26:08,539 INFO o.a.j.t.JMeterThread: Thread finished: 线程组--python 1-33
- 2023-02-22 17:26:08,597 INFO o.a.j.u.BeanShellTestElement: 3
- 2023-02-22 17:26:08,597 INFO o.a.j.u.BeanShellTestElement: ---------------------------success end exe
- 2023-02-22 17:26:08,598 INFO o.a.j.t.JMeterThread: Stopping because end time detected by thread: 线程组--python 1-82
- 2023-02-22 17:26:08,598 INFO o.a.j.t.JMeterThread: Thread finished: 线程组--python 1-82
- 2023-02-22 17:26:08,608 INFO o.a.j.u.BeanShellTestElement: 2
- 2023-02-22 17:26:08,608 ERROR o.a.j.u.BeanShellTestElement: --------------------------failed end exe
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