webdriver的定位与断言

2017-05-25  本文已影响54人  c4a1d989518e

定位

webdriver提供了一系列的对象定位方法,常用的有以下几种

<html>
    <head>
      <meta http-equiv="content-type" content="text/html;charset=utf-8" />
      <title>Form</title>
      <script type="text/javascript" async="" src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
      <link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet" />
      <script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
    </head>
    <body>
      <h3>simple login form</h3>
      <form class="form-horizontal">
        <div class="control-group">
          <label class="control-label" for="inputEmail">Email</label>
          <div class="controls">
            <input type="text" id="inputEmail" placeholder="Email" name="email">
          </div>
        </div>
        <div class="control-group">
          <label class="control-label" for="inputPassword">Password</label>
          <div class="controls">
            <input type="password" id="inputPassword" placeholder="Password" name="password">
          </div>
        </div>
<div class="control-group">
          <div class="controls">
            <label class="checkbox">
              <input type="checkbox"> Remember me
            </label>
            <button type="submit" class="btn">Sign in</button>
            <a href="#">register</a>
          </div>
        </div>
      </form>
    </body>
  </html>

定位示例代码

from selenium import webdriver
from time import sleep
import os
if 'HTTP_PROXY'in os.environ: del os.environ['HTTP_PROXY']

dr = webdriver.Chrome()
file_path = 'file:///' + os.path.abspath('form.html')
print file_path

dr.get(file_path)

# by id
dr.find_element_by_id('inputEmail').click()

# by name
dr.find_element_by_name('password').click()

# by tagname
print dr.find_element_by_tag_name('form').get_attribute('class')

# by class_name
e = dr.find_element_by_class_name('controls')
dr.execute_script('$(arguments[0]).fadeOut().fadeIn()', e)
sleep(1)

# by link text
link = dr.find_element_by_link_text('register')
dr.execute_script('$(arguments[0]).fadeOut().fadeIn()', link)
sleep(1)

# by partial link text
link = dr.find_element_by_partial_link_text('reg')
dr.execute_script('$(arguments[0]).fadeOut().fadeIn()', link)
sleep(1)

# by css selector
div = dr.find_element_by_css_selector('.controls')
dr.execute_script('$(arguments[0]).fadeOut().fadeIn()', div)
sleep(1)

# by xpath
dr.find_element_by_xpath('/html/body/form/div[3]/div/label/input').click()

sleep(2)
dr.quit()

断言

自动化测试中经常用到:

# -*- coding: utf-8 -*- 
from selenium import webdriver
from time import sleep
import os
if 'HTTP_PROXY'in os.environ: del os.environ['HTTP_PROXY']

dr = webdriver.Chrome()
file_path = 'file:///' + os.path.abspath('status.html')
dr.get(file_path)

text_field = dr.find_element_by_name('user')
print text_field.is_enabled()

# 直接用enabled?方法去判断该button的话返回的会是true
# 这是因为button是使用css方法去disabled的,并不是真正的disable
# 这时候需要判断其class里是否有disabled这值来判断其是否处于disable状态
print dr.find_element_by_class_name('btn').is_enabled()

# 隐藏掉text_field
# 判断其是否显示
dr.execute_script('$(arguments[0]).hide()', text_field)
print text_field.is_displayed()

# 使用click方法选择raido
radio = dr.find_element_by_name('radio')
radio.click()
print radio.is_selected()

# 判断元素是否存在
try:
    dr.find_element_by_id('none')
except: 
    print 'element does not exist'

dr.quit()

参考文章:

获取测试对象的状态

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