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from unittest import TestCase
from scrapy.contrib.spidermiddleware.urlfilter import UrlFilterMiddleware
from scrapy.http import Response, Request
from scrapy.spider import BaseSpider
from scrapy.utils.url import canonicalize_url
class TestUrlFilterMiddleware(TestCase):
def setUp(self):
self.spider = BaseSpider()
self.mw = UrlFilterMiddleware()
def test_process_spider_output(self):
res = Response('http://scrapytest.org')
req_url = 'http://scrapytest.org/?last=1&first=2'
reqs = [Request(req_url)]
out = list(self.mw.process_spider_output(res, reqs, self.spider))
self.assertEquals(out[0].url, canonicalize_url(req_url))
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