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testCaseClasses.py内容如下：

 1 #!/usr/bin/python
 2 import time
 3 from time import ctime
 4 import os
 5 import sys
 6 import traceback
 7 class testCaseClasses(object):
 8         #def __init__(self,times = 100):
 9         #       self.times= times
10                 #print("resume_suspend = %d"%times)
11         def ADBCheck(self):
12                 """ 
13                 函数功能：检测ADB是否存在
14                 """
15                 if "\t" in os.popen("adb devices").read():
16                         #print ("%s:ADB CONNECTED"%ctime())
17                         pass
18                 else:
19                         print("%s:NOT CONNECTED !"%ctime())
20                         print("%s:TEST SCRIPTS STOP"%ctime())
21                         sys.exit(1)
22         def checkScreenSuspend(self):
23                 self.ADBCheck()
24                 infos = os.popen("adb shell dumpsys power").readlines()
25                 for i in infos:
26                         if "Display Power: state=" in i:
27                                 info = i.split("=")[1].strip("\n")  #分割，然后去掉"\n"
28                                 if info == "OFF":
29                                         time.sleep(10)
30                                         print("目前手机处于黑屏状态，唤醒")
31                                         os.popen('adb shell input keyevent 26')
32                                         time.sleep(2)
33                                         print("手机已唤醒")
34                                 else:
35                                         self.checkScreenSuspend()
36 
37 
38         def init(self):
39                 self.checkScreenSuspend()
40         def resume_suspend(self,times = 100):
41                 print("expect resume_suspend  = %d"%times)
42                 try:
43                         for i in range(0,times):
44                                 print(ctime()+":Press Power Key the %d times"%(i+1))
45                                 self.checkScreenSuspend()
46                 except:
47                         print('traceback.format_exc():\n%s'%traceback.format_exc())                                                                
StressTest_Resume_Suspend.py内容如下：
 1 #!/usr/bin/python
 2 import unittest
 3 from testCaseClasses import *
 4 class StressTest_Resume_Suspend(unittest.TestCase):
 5         '''
 6         def setUp(self):
 7                 pass
 8         def tearDown(self):
 9                 pass
10         '''
11         def testRun(self):
12                 testCase = testCaseClasses()
13                 testCase.init()
14                 testCase.resume_suspend(100)
15 
16 if __name__ == "__main__":
17         testcase = StressTest_Resume_Suspend()
18         testcase.testRun()

终端执行python3 StressTest_Resume_Suspend.py即可。