详解python uiautomator2 watcher的使用方法

详解python uiautomator2 watcher的使用方法

该方是基于uiautomator2如下版本进行验证的：

PS C:windowssystem32> pip show uiautomator2
Name: uiautomator2
Version: 1.2.2
Summary: Python Wrapper for Android UiAutomator2 test tool
Home-page: https://github.com/codeskyblue/uiautomator2
Author: codeskyblue
Author-email: codeskyblue@gmail.com
License: MIT
Location: c:program filespython36libsite-packages
Requires: six, progress, whichcraft, logzero, lxml, adbutils, retry, Pillow, requests, humanize
Required-by: weditor, atx

　　下面贴出githup上关于该方法的使用

 

Watcher
 You can register watchers to perform some actions when a selector does not find a match.
 Register Watcher
 When a selector can not find a match, uiautomator2 will run all registered watchers.
 Click target when conditions match
 d.watcher("AUTO_FC_WHEN_ANR").when(text="ANR").when(text="Wait") 
 .click(text="Force Close")
 # d.watcher(name) ## creates a new named watcher.
 # .when(condition) ## the UiSelector condition of the watcher.
 # .click(target) ## perform click action on the target UiSelector.
 There is also a trick about click. You can use click without arguments.
 d.watcher("alert").when(text="OK").click()
 # Same as
 d.watcher("alert").when(text="OK").click(text="OK")
 Press key when a condition becomes true
 d.watcher("AUTO_FC_WHEN_ANR").when(text="ANR").when(text="Wait") 
 .press("back", "home")
 # d.watcher(name) ## creates a new named watcher.
 # .when(condition) ## the UiSelector condition of the watcher.
 # .press(, ..., .() ## press keys one by one in sequence.
 Check if the named watcher triggered
 A watcher is triggered, which means the watcher was run and all its conditions matched.
 d.watcher("watcher_name").triggered
 # true in case of the specified watcher triggered, else false
 Remove a named watcher
 # remove the watcher
 d.watcher("watcher_name").remove()
 List all watchers
 d.watchers
 # a list of all registered watchers
 Check for any triggered watcher
 d.watchers.triggered
 # true in case of any watcher triggered
 Reset all triggered watchers
 # reset all triggered watchers, after that, d.watchers.triggered will be false.
 d.watchers.reset()
 Remove watchers
 # remove all registered watchers
 d.watchers.remove()
 # remove the named watcher, same as d.watcher("watcher_name").remove()
 d.watchers.remove("watcher_name")
 Force to run all watchers
 # force to run all registered watchers
 d.watchers.run()

注：里面涉及的watcher_name可以自定义，可以做到见名知意即可

watcher的使用是要先注册（第9行至20行均是注册watcher的方法），然后激活watcher(第56行)，注意这个激活方法只是一个瞬时激活，就是说使用之后即销毁，不会一直存于后台。那这样的话在实际的使用场景中怎么使用这个功能呢，下面看一段脚本 1 # -*- coding:utf-8 -*-

import uiautomator2 as u2
import time
d = u2.connect()
cfg = MTBFConfig()
package = cfg.getstr("Admit", "pkg", "config")
PACKAGELIST = package.split(",")
print(PACKAGELIST)
d.watcher("‎‏‎‎‎‎‎‏‎‏‏‏‎‎‎‎‎‏‎‎‏‎‎‎‎‏‏‏‏‏‏‏‏‎‎‎‎‎‎‎‎‎‏‎‎‎‏‎‎‏‏‎‏‎‏‎‎‎‏‏‏‎‏‏‏‎‏‏‎‎‎‏‏‏‏‏‏‏‎‎‏‎‎‏‏‎‎‎‏‎‎‎‏‏‏‎ALLOW‎‏‎‎‏‎").when(text="‎‏‎‎‎‎‎‏‎‏‏‏‎‎‎‎‎‏‎‎‏‎‎‎‎‏‏‏‏‏‏‏‏‎‎‎‎‎‎‎‎‎‏‎‎‎‏‎‎‏‏‎‏‎‏‎‎‎‏‏‏‎‏‏‏‎‏‏‎‎‎‏‏‏‏‏‏‏‎‎‏‎‎‏‏‎‎‎‏‎‎‎‏‏‏‎ALLOW‎‏‎‎‏‎").click(text="‎‏‎‎‎‎‎‏‎‏‏‏‎‎‎‎‎‏‎‎‏‎‎‎‎‏‏‏‏‏‏‏‏‎‎‎‎‎‎‎‎‎‏‎‎‎‏‎‎‏‏‎‏‎‏‎‎‎‏‏‏‎‏‏‏‎‏‏‎‎‎‏‏‏‏‏‏‏‎‎‏‎‎‏‏‎‎‎‏‎‎‎‏‏‏‎ALLOW‎‏‎‎‏‎")
#d.watchers.run()
print(d.watchers)
time.sleep(2)
pkglen = len(PACKAGELIST)
print(("There are %d package for test") %pkglen)
class Admit(object):
 def main(self):
   for i in range(pkglen):
     k = 0
     for j in range(5):
if d.info['currentPackageName'] != PACKAGELIST[i]:
  d.app_start(PACKAGELIST[i])
  print(PACKAGELIST[i])
  time.sleep(1)
  k += 1
if k == 3:
  print("Can not enter "+ str(PACKAGELIST[i]))
  return False
     if PACKAGELIST[i] == 'com.google.android.contacts':
print("hello")
if d(description = "Open navigation drawer").exists(timeout = 5):
  d(description = "Open navigation drawer").click()
if d(text = "Settings").exists(timeout = 5):
  d(text = "Settings").click()
if d(resourceId="android:id/title", text = "import").exists(timeout=5):
  d(resourceId="android:id/title", text = "import").click()
  time.sleep(3)
if d(resourceId = "android:id/button1", text = "OK").exists(timeout = 5):
  d(resourceId = "android:id/button1", text = "OK").click()
  time.sleep(1)
  d.watchers.run() //在上面OK点击之后会d出一个权限访问的许可，所以这个时候需要激活一次watcher把d框关掉，以便不影响后续测试，所以就一个原则，哪里可能会有d框就在哪里激活watcher
if __name__=="__main__":
 ad = Admit()
 ad.main()

总结

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