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
|
from unittest import TestCase
from scrapy.downloadermiddlewares.defaultheaders import DefaultHeadersMiddleware
from scrapy.http import Request
from scrapy.spiders import Spider
from scrapy.utils.test import get_crawler
from scrapy.utils.python import to_bytes
class TestDefaultHeadersMiddleware(TestCase):
def get_defaults_spider_mw(self):
crawler = get_crawler(Spider)
spider = crawler._create_spider('foo')
defaults = {
to_bytes(k): [to_bytes(v)]
for k, v in crawler.settings.get('DEFAULT_REQUEST_HEADERS').items()
}
return defaults, spider, DefaultHeadersMiddleware.from_crawler(crawler)
def test_process_request(self):
defaults, spider, mw = self.get_defaults_spider_mw()
req = Request('http://www.scrapytest.org')
mw.process_request(req, spider)
self.assertEqual(req.headers, defaults)
def test_update_headers(self):
defaults, spider, mw = self.get_defaults_spider_mw()
headers = {'Accept-Language': ['es'], 'Test-Header': ['test']}
bytes_headers = {b'Accept-Language': [b'es'], b'Test-Header': [b'test']}
req = Request('http://www.scrapytest.org', headers=headers)
self.assertEqual(req.headers, bytes_headers)
mw.process_request(req, spider)
defaults.update(bytes_headers)
self.assertEqual(req.headers, defaults)
|
