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如何使用emma统计代码执行覆盖率

来源:成都博为峰软件测试培训时间:2023/4/6 11:50:47

  使用 emma 2.1 (emma-stable-2.1.5320-lib)

  1. 新建 /home/q/java/emmalib 目录, 将emma.jar 与 emma_ant.jar 放入

  2. 复制 /server/bin/mobileserver/runServer.sh 到 runServer_emma.sh

  修改启动语句

  nohup java -Xmx1800M -Xms800m -Xbootclasspath/p:/home/q/java/emmalib/emma.jar -Djava.nio.channels.spi.SelectorProvider=sun.nio.ch.EPollSelectorProvider -XX:+AggressiveOpts -XX:+UseParallelGC -server -classpath "$jarFile" com.qunar.common.mobileArc.MobileServer conf/TaLog.property conf/TripServer.property >> $LOG_HOME/error.log 2>&1 &

  复制 /server/bin/mobileserver/stopServer.sh 到 stopServer_emma.sh

  添加覆盖率导出命令

  插入 emma 统计代码

  使用root账号

  1. 备份mobileserver.jar

  cp /server/TripAssistant/mobile-server.jar $MOB_JAR_BAK/mobile-server.jar.{$timestamp}

  2. 执行插入命令

  java -cp /home/q/java/emmalib/emma.jar emma instr -m overwrite -cp mobile-server.jar -out coverage.em

  输出如下:

  EMMA: processing instrumentation path ...

  EMMA: instrumentation path processed in 3117 ms

  EMMA: [1000 class(es) instrumented, 126 resource(s) copied]

  EMMA: metadata merged into [/server/TripAssistant/coverage.em]

  3. 运行mobileserver runServer_emma.sh

  sudo sh /server/bin/mobileserver/stopServer.sh && sudo sh /server/bin/mobileserver/runServer_emma.sh

  在 /server/mobileserverlog/error.log中可见:

  EMMA: collecting runtime coverage data ...

  EMMA: runtime controller started on port [47653]

  emma control 进程已启动

  [root@# /server/mobileserverlog]# netstat -na | grep 47653

  tcp 0 0 0.0.0.0:47653 0.0.0.0:* LISTEN 20926/java

  4. 执行 覆盖率文件导出命令

  java -cp /home/q/java/emmalib/emma.jar emma ctl -connect localhost:47653 -command coverage.get,coverage.ec

  可见输出:

  EMMA: processing control command sequence ...

  EMMA: executing [coverage.get (coverage.ec,true,true)] ...

  EMMA: coverage.get: local copy of coverage data merged into [/server/TripAssistant/coverage.ec]

  EMMA: coverage.get: command completed in 79 ms

  EMMA: control command sequence complete

  并且当前目录生成文件 coverage.ec

  5. 生成报告

  java -cp /home/q/java/emmalib/emma.jar emma report -r html -in coverage.em,coverage.ec

  指定源代码生产覆盖率报告(需先上传源码)

  java -cp /home/q/java/emmalib/emma.jar emma report -r html -in /server/TripAssistant/coverage.em,/server/TripAssistant/coverage.ec -Dreport.html.out.file=mycoverage/coverage.html -sp /home/liang.zhou/mob_code_dir/mobs_trunk/src/main/java

  emma 方式启动 mobserver

  ==================================

  1. 判断mobserver.jar size, 大于5M 为已插入过, 小于5M为未插入(需要执行插入)

  2. 执行插入

  3. 启动

  4. 检查启动状态

  47653 端口打开

  mobileserver 进程打开

  emma 方式停止 mobserver

  ==================================

  1. 检查47653端口打开状态, 检查coverage.em是否存在

  2. 导出覆盖率文件 coverage.ec, 备份coverage.em (加上时间戳)

  3. 导出覆盖率HTML report (加上对应时间戳)

  4. kill mobserver 进程

  ls -lt mobile-server.jar

  判断 $? == 0

  判断mobile-server.jar size是否大于 5M

  #!/bin/bash

  function stop_mob_server(){

  #!/bin/bash

  function stop_mob_server(){

  pid=`ps aux | grep MobileServer | grep -v grep | awk '

  Unknown macro: {print $2}

  '`

  ` kill -9 $

  Unknown macro: {pid}

  `

  sleep 1

  echo "Stop mobileserver success."

  }

  #判断 emma ctl 是否启动

  port_check_result=`netstat -na | grep 47653 | awk '

  Unknown macro: {print $1}

  '`

  if [ -z $

  Unknown macro: {port_check_result}

  ]; then

  echo "Emma ctl port 47653 is not LISTEN. Coverage.ec export operation aborted."

  else

  #emma ctl 为启动状态,导出 coverage.ec, 并备份至 /home/q/mobsrv_cov

  if []

  fi

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