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from unittest import TestCase
from scrapy.conf import settings
from scrapy.contrib.spidermiddleware.urllength import UrlLengthMiddleware
from scrapy.http import Response, Request
from scrapy.spider import BaseSpider
class TestUrlLengthMiddleware(TestCase):
def setUp(self):
settings.disabled = False
settings.overrides['URLLENGTH_LIMIT'] = 25
self.spider = BaseSpider()
self.mw = UrlLengthMiddleware()
def test_process_spider_output(self):
res = Response('http://scrapytest.org')
short_url_req = Request('http://scrapytest.org/')
long_url_req = Request('http://scrapytest.org/this_is_a_long_url')
reqs = [short_url_req, long_url_req]
out = list(self.mw.process_spider_output(res, reqs, self.spider))
self.assertEquals(out, [short_url_req])
def tearDown(self):
del settings.overrides['URLLENGTH_LIMIT']
settings.disabled = True
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