mirror of https://github.com/scrapy/scrapy.git
121 lines
4.4 KiB
Python
121 lines
4.4 KiB
Python
from os.path import join
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import pytest
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from twisted.trial import unittest
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from twisted.internet import defer
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from scrapy.commands.shell import guess_scheme
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from scrapy.utils.testsite import SiteTest
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from scrapy.utils.testproc import ProcessTest
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from tests import tests_datadir
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class ShellTest(ProcessTest, SiteTest, unittest.TestCase):
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command = 'shell'
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@defer.inlineCallbacks
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def test_empty(self):
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_, out, _ = yield self.execute(['-c', 'item'])
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assert b'{}' in out
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@defer.inlineCallbacks
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def test_response_body(self):
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_, out, _ = yield self.execute([self.url('/text'), '-c', 'response.body'])
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assert b'Works' in out
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@defer.inlineCallbacks
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def test_response_type_text(self):
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_, out, _ = yield self.execute([self.url('/text'), '-c', 'type(response)'])
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assert b'TextResponse' in out
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@defer.inlineCallbacks
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def test_response_type_html(self):
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_, out, _ = yield self.execute([self.url('/html'), '-c', 'type(response)'])
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assert b'HtmlResponse' in out
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@defer.inlineCallbacks
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def test_response_selector_html(self):
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xpath = 'response.xpath("//p[@class=\'one\']/text()").extract()[0]'
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_, out, _ = yield self.execute([self.url('/html'), '-c', xpath])
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self.assertEqual(out.strip(), b'Works')
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@defer.inlineCallbacks
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def test_response_encoding_gb18030(self):
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_, out, _ = yield self.execute([self.url('/enc-gb18030'), '-c', 'response.encoding'])
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self.assertEqual(out.strip(), b'gb18030')
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@defer.inlineCallbacks
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def test_redirect(self):
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_, out, _ = yield self.execute([self.url('/redirect'), '-c', 'response.url'])
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assert out.strip().endswith(b'/redirected')
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@defer.inlineCallbacks
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def test_request_replace(self):
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url = self.url('/text')
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code = "fetch('{0}') or fetch(response.request.replace(method='POST'))"
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errcode, out, _ = yield self.execute(['-c', code.format(url)])
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self.assertEqual(errcode, 0, out)
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@defer.inlineCallbacks
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def test_local_file(self):
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filepath = join(tests_datadir, 'test_site/index.html')
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_, out, _ = yield self.execute([filepath, '-c', 'item'])
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assert b'{}' in out
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@defer.inlineCallbacks
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def test_local_nofile(self):
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filepath = 'file:///tests/sample_data/test_site/nothinghere.html'
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errcode, out, err = yield self.execute([filepath, '-c', 'item'],
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check_code=False)
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self.assertEqual(errcode, 1, out or err)
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self.assertIn(b'No such file or directory', err)
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@defer.inlineCallbacks
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def test_dns_failures(self):
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url = 'www.somedomainthatdoesntexi.st'
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errcode, out, err = yield self.execute([url, '-c', 'item'],
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check_code=False)
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self.assertEqual(errcode, 1, out or err)
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self.assertIn(b'DNS lookup failed', err)
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@pytest.mark.parametrize("url, scheme", [
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('/index', 'file://'),
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('/index.html', 'file://'),
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('./index.html', 'file://'),
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('../index.html', 'file://'),
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('../../index.html', 'file://'),
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('./data/index.html', 'file://'),
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('.hidden/data/index.html', 'file://'),
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('/home/user/www/index.html', 'file://'),
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('//home/user/www/index.html', 'file://'),
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('file:///home/user/www/index.html', 'file://'),
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('index.html', 'http://'),
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('example.com', 'http://'),
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('www.example.com', 'http://'),
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('www.example.com/index.html', 'http://'),
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('http://example.com', 'http://'),
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('http://example.com/index.html', 'http://'),
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('localhost', 'http://'),
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('localhost/index.html', 'http://'),
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# some corner cases (default to http://)
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('/', 'http://'),
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('.../test', 'http://'),
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pytest.mark.xfail(
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(r'C:\absolute\path\to\a\file.html', 'file://'),
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reason = 'Windows filepath are not supported for scrapy shell'
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),
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])
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def test_guess_scheme(url, scheme):
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guessed_url = guess_scheme(url)
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assert guessed_url.startswith(scheme), \
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'Wrong scheme guessed: for `%s` got `%s`, expected `%s...`' % (
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url, guessed_url, scheme)
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