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from unittest import TestCase
from scrapy.http import Response, Request
from scrapy.spider import BaseSpider
from scrapy.contrib.spidermiddleware.offsite import OffsiteMiddleware
class TestOffsiteMiddleware(TestCase):
def setUp(self):
self.spider = self._get_spider()
self.mw = OffsiteMiddleware()
self.mw.spider_opened(self.spider)
def _get_spider(self):
return BaseSpider('foo', allowed_domains=['scrapytest.org', 'scrapy.org'])
def test_process_spider_output(self):
res = Response('http://scrapytest.org')
onsite_reqs = [Request('http://scrapytest.org/1'),
Request('http://scrapy.org/1'),
Request('http://sub.scrapy.org/1'),
Request('http://offsite.tld/letmepass', dont_filter=True)]
offsite_reqs = [Request('http://scrapy2.org'),
Request('http://offsite.tld/')]
reqs = onsite_reqs + offsite_reqs
out = list(self.mw.process_spider_output(res, reqs, self.spider))
self.assertEquals(out, onsite_reqs)
def tearDown(self):
self.mw.spider_closed(self.spider)
class TestOffsiteMiddleware2(TestOffsiteMiddleware):
def _get_spider(self):
return BaseSpider('foo', allowed_domains=None)
def test_process_spider_output(self):
res = Response('http://scrapytest.org')
reqs = [Request('http://a.com/b.html'), Request('http://b.com/1')]
out = list(self.mw.process_spider_output(res, reqs, self.spider))
self.assertEquals(out, reqs)
class TestOffsiteMiddleware3(TestOffsiteMiddleware2):
def _get_spider(self):
return BaseSpider('foo')
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