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37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
from unittest import TestCase
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from scrapy.downloadermiddlewares.defaultheaders import DefaultHeadersMiddleware
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from scrapy.http import Request
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from scrapy.spiders import Spider
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from scrapy.utils.test import get_crawler
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from scrapy.utils.python import to_bytes
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class TestDefaultHeadersMiddleware(TestCase):
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def get_defaults_spider_mw(self):
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crawler = get_crawler(Spider)
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spider = crawler._create_spider('foo')
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defaults = {
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to_bytes(k): [to_bytes(v)]
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for k, v in crawler.settings.get('DEFAULT_REQUEST_HEADERS').items()
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}
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return defaults, spider, DefaultHeadersMiddleware.from_crawler(crawler)
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def test_process_request(self):
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defaults, spider, mw = self.get_defaults_spider_mw()
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req = Request('http://www.scrapytest.org')
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mw.process_request(req, spider)
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self.assertEquals(req.headers, defaults)
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def test_update_headers(self):
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defaults, spider, mw = self.get_defaults_spider_mw()
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headers = {'Accept-Language': ['es'], 'Test-Header': ['test']}
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bytes_headers = {b'Accept-Language': [b'es'], b'Test-Header': [b'test']}
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req = Request('http://www.scrapytest.org', headers=headers)
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self.assertEquals(req.headers, bytes_headers)
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mw.process_request(req, spider)
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defaults.update(bytes_headers)
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self.assertEquals(req.headers, defaults)
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