python+selenium实例： 鼠标移动到某行记录，拼接，并执行相关的操作，ActionChains perform的使用

#coding: utf-8
import unittest
from selenium import webdriver
import time
from selenium.webdriver.common.action_chains import ActionChains

class LoginCase(unittest.TestCase):

def setUp(self): #每个用例执行之前执行
print 'before test'
self.dr = webdriver.Chrome()
self.dr.get('http://localhost/wordpress/wp-login.php')

def test_delete_post(self):
user_name = password = 'admin'
self.login(user_name, password)

content = title = 'this is title %s' %(time.time())
post_id = self.create_post_and_return_its_id(title, content)
self.dr.get('http://localhost/wordpress/wp-admin/edit.php')
row_id = 'post-' + post_id
the_row = self.by_id(row_id)

ActionChains(self.dr).move_to_element(the_row).perform()
the_row.find_element_by_css_selector('.submitdelete').click()

self.assertNotEqual(self.by_css('.row-title').text, title)

def create_post(self, title, content):
self.dr.get('http://localhost/wordpress/wp-admin/post-new.php')
self.by_name('post_title').send_keys(title)
self.set_content(content)
self.by_name('publish').click()

def create_post_and_return_its_id(self, title, content):
self.create_post(title, content)
link_text = self.by_id('sample-permalink').text
tokens = link_text.split('=')
return tokens[-1]

def set_content(self, text):
js = "document.getElementById('content_ifr').contentWindow.document.body.innerText = '%s'" %(text)
print js
self.dr.execute_script(js)

def set_content_with_html(self, html):
html = html.replace(" ", ' ')
js = "document.getElementById('content_ifr').contentWindow.document.body.innerHTML = '%s'" %(html)
print js
self.dr.execute_script(js)

def login(self, user_name, password):
self.by_id('user_login').send_keys(user_name)
self.by_id('user_pass').send_keys(password)
self.by_id('wp-submit').click()

def by_id(self, the_id):
return self.dr.find_element_by_id(the_id)

def by_css(self, css):
return self.dr.find_element_by_css_selector(css)

def by_name(self, name):
return self.dr.find_element_by_name(name)

def tearDown(self): #每个用例执行之后
print 'after every test'
self.dr.quit()

if __name__ == '__main__':
unittest.main()