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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
from unittest import TestCase
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from scrapy.spidermiddlewares.depth import DepthMiddleware
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from scrapy.http import Response, Request
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from scrapy.spiders import Spider
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from scrapy.statscollectors import StatsCollector
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from scrapy.utils.test import get_crawler
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class TestDepthMiddleware(TestCase):
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def setUp(self):
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crawler = get_crawler(Spider)
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self.spider = crawler._create_spider('scrapytest.org')
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self.stats = StatsCollector(crawler)
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self.stats.open_spider(self.spider)
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self.mw = DepthMiddleware(1, self.stats, True)
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def test_process_spider_output(self):
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req = Request('http://scrapytest.org')
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resp = Response('http://scrapytest.org')
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resp.request = req
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result = [Request('http://scrapytest.org')]
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out = list(self.mw.process_spider_output(resp, result, self.spider))
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self.assertEqual(out, result)
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rdc = self.stats.get_value('request_depth_count/1', spider=self.spider)
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self.assertEqual(rdc, 1)
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req.meta['depth'] = 1
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out2 = list(self.mw.process_spider_output(resp, result, self.spider))
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self.assertEqual(out2, [])
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rdm = self.stats.get_value('request_depth_max', spider=self.spider)
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self.assertEqual(rdm, 1)
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def tearDown(self):
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self.stats.close_spider(self.spider, '')
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