forked from scrapy/scrapy
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_downloadermiddleware_useragent.py
53 lines (44 loc) · 2.16 KB
/
test_downloadermiddleware_useragent.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
from unittest import TestCase
from scrapy.spider import Spider
from scrapy.http import Request
from scrapy.contrib.downloadermiddleware.useragent import UserAgentMiddleware
from scrapy.utils.test import get_crawler
class UserAgentMiddlewareTest(TestCase):
def get_spider_and_mw(self, default_useragent):
crawler = get_crawler(Spider, {'USER_AGENT': default_useragent})
spider = crawler._create_spider('foo')
return spider, UserAgentMiddleware.from_crawler(crawler)
def test_default_agent(self):
spider, mw = self.get_spider_and_mw('default_useragent')
req = Request('http://scrapytest.org/')
assert mw.process_request(req, spider) is None
self.assertEquals(req.headers['User-Agent'], 'default_useragent')
def test_remove_agent(self):
# settings UESR_AGENT to None should remove the user agent
spider, mw = self.get_spider_and_mw('default_useragent')
spider.user_agent = None
mw.spider_opened(spider)
req = Request('http://scrapytest.org/')
assert mw.process_request(req, spider) is None
assert req.headers.get('User-Agent') is None
def test_spider_agent(self):
spider, mw = self.get_spider_and_mw('default_useragent')
spider.user_agent = 'spider_useragent'
mw.spider_opened(spider)
req = Request('http://scrapytest.org/')
assert mw.process_request(req, spider) is None
self.assertEquals(req.headers['User-Agent'], 'spider_useragent')
def test_header_agent(self):
spider, mw = self.get_spider_and_mw('default_useragent')
spider.user_agent = 'spider_useragent'
mw.spider_opened(spider)
req = Request('http://scrapytest.org/', headers={'User-Agent': 'header_useragent'})
assert mw.process_request(req, spider) is None
self.assertEquals(req.headers['User-Agent'], 'header_useragent')
def test_no_agent(self):
spider, mw = self.get_spider_and_mw(None)
spider.user_agent = None
mw.spider_opened(spider)
req = Request('http://scrapytest.org/')
assert mw.process_request(req, spider) is None
assert 'User-Agent' not in req.headers