scrapy/scrapy/tests/test_downloadermiddleware_d...

31 lines
1.1 KiB
Python

from unittest import TestCase
from scrapy.conf import settings
from scrapy.contrib.downloadermiddleware.defaultheaders import DefaultHeadersMiddleware
from scrapy.http import Response, Request
from scrapy.spider import BaseSpider
class TestDefaultHeadersMiddleware(TestCase):
def setUp(self):
self.spider = BaseSpider('foo')
self.mw = DefaultHeadersMiddleware()
self.default_headers = dict([(k, [v]) for k, v in \
settings.get('DEFAULT_REQUEST_HEADERS').iteritems()])
def test_process_request(self):
req = Request('http://www.scrapytest.org')
self.mw.process_request(req, self.spider)
self.assertEquals(req.headers, self.default_headers)
def test_update_headers(self):
headers = {'Accept-Language': ['es'], 'Test-Header': ['test']}
req = Request('http://www.scrapytest.org', headers=headers)
self.assertEquals(req.headers, headers)
self.mw.process_request(req, self.spider)
self.default_headers.update(headers)
self.assertEquals(req.headers, self.default_headers)