斗鱼Unittest测试模块爬取
# -*- coding:utf-8 -*-
# python的测试模块
import unittest
from selenium import webdriver
from bs4 import BeautifulSoup
class douyuSelenium(unittest.TestCase):
# 初始化方法
def setUp(self):
self.driver = webdriver.PhantomJS(executable_path="./phantomjs-2.1.1-macosx/bin/phantomjs")
#具体的测试用例方法,一定要以test开头
def testDouyu(self):
self.driver.get('http://www.douyu.com/directory/all')
while True:
# 指定xml解析
soup = BeautifulSoup(self.driver.page_source, 'lxml')
# 返回当前页面所有房间标题列表 和 观众人数列表
titles = soup.find_all('h3', attrs={'class': 'ellipsis'})
nums = soup.find_all('span', attrs={'class': 'dy-num fr'})
# 使用zip()函数来可以把列表合并,并创建一个元组对的列表[(1,2), (3,4)]
for title, num in zip(nums, titles):
print u"房间标题: " + num.get_text().strip(), u"\t观众人数:" + title.get_text().strip()
# page_source.find()未找到内容则返回-1
if self.driver.page_source.find('shark-pager-disable-next') != -1:
break
# 模拟下一页点击
self.driver.find_element_by_class_name('shark-pager-next').click()
# 退出时的清理方法
def tearDown(self):
print '加载完成...'
self.driver.quit()
if __name__ == "__main__":
unittest.main()
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