scrapy/tests/test_command_shell.py

145 lines
5.0 KiB
Python

from os.path import join
from twisted.trial import unittest
from twisted.internet import defer
from scrapy.commands.shell import guess_scheme
from scrapy.utils.testsite import SiteTest
from scrapy.utils.testproc import ProcessTest
from tests import tests_datadir
class ShellURLTest(unittest.TestCase):
def test_file_uri_relative001(self):
# FIXME: 'index.html' is interpreted as a domain name
# is this correct?
url = guess_scheme('index.html')
assert url.startswith('http://')
def test_file_uri_relative002(self):
url = guess_scheme('./index.html')
assert url.startswith('file://')
def test_file_uri_relative003(self):
url = guess_scheme('../data/index.html')
assert url.startswith('file://')
def test_file_uri_relative004(self):
url = guess_scheme('subdir/index.html')
assert url.startswith('file://')
def test_file_uri_absolute001(self):
"""Absolute file paths get prepended with "file://" scheme"""
iurl = '/home/user/www/index.html'
url = guess_scheme(iurl)
self.assertEquals(url, 'file://'+iurl)
def test_file_uri_scheme(self):
"""Output File URI does not change if "file://" scheme is set"""
iurl = 'file:///home/user/www/index.html'
url = guess_scheme(iurl)
self.assertEquals(url, iurl)
def test_file_uri_windows(self):
raise unittest.SkipTest("Windows filepath are not supported for scrapy shell")
url = guess_scheme('C:\absolute\path\to\a\file.html')
assert url.startswith('file://')
def test_http_url_001(self):
url = guess_scheme('index.html')
assert url.startswith('http://')
def test_http_url_002(self):
url = guess_scheme('example.com')
assert url.startswith('http://')
def test_http_url_003(self):
url = guess_scheme('www.example.com')
assert url.startswith('http://')
def test_http_url_004(self):
url = guess_scheme('www.example.com/index')
assert url.startswith('http://')
def test_http_url_005(self):
url = guess_scheme('www.example.com/index.html')
assert url.startswith('http://')
def test_http_url_scheme(self):
"""An full HTTP URL is unaltered"""
iurl = 'http://www.example.com/index.html'
url = guess_scheme(iurl)
self.assertEquals(url, iurl)
class ShellTest(ProcessTest, SiteTest, unittest.TestCase):
command = 'shell'
@defer.inlineCallbacks
def test_empty(self):
_, out, _ = yield self.execute(['-c', 'item'])
assert b'{}' in out
@defer.inlineCallbacks
def test_response_body(self):
_, out, _ = yield self.execute([self.url('/text'), '-c', 'response.body'])
assert b'Works' in out
@defer.inlineCallbacks
def test_response_type_text(self):
_, out, _ = yield self.execute([self.url('/text'), '-c', 'type(response)'])
assert b'TextResponse' in out
@defer.inlineCallbacks
def test_response_type_html(self):
_, out, _ = yield self.execute([self.url('/html'), '-c', 'type(response)'])
assert b'HtmlResponse' in out
@defer.inlineCallbacks
def test_response_selector_html(self):
xpath = 'response.xpath("//p[@class=\'one\']/text()").extract()[0]'
_, out, _ = yield self.execute([self.url('/html'), '-c', xpath])
self.assertEqual(out.strip(), b'Works')
@defer.inlineCallbacks
def test_response_encoding_gb18030(self):
_, out, _ = yield self.execute([self.url('/enc-gb18030'), '-c', 'response.encoding'])
self.assertEqual(out.strip(), b'gb18030')
@defer.inlineCallbacks
def test_redirect(self):
_, out, _ = yield self.execute([self.url('/redirect'), '-c', 'response.url'])
assert out.strip().endswith(b'/redirected')
@defer.inlineCallbacks
def test_request_replace(self):
url = self.url('/text')
code = "fetch('{0}') or fetch(response.request.replace(method='POST'))"
errcode, out, _ = yield self.execute(['-c', code.format(url)])
self.assertEqual(errcode, 0, out)
@defer.inlineCallbacks
def test_local_file(self):
filepath = join(tests_datadir, 'test_site/index.html')
_, out, _ = yield self.execute([filepath, '-c', 'item'])
assert b'{}' in out
@defer.inlineCallbacks
def test_local_nofile(self):
filepath = 'file:///tests/sample_data/test_site/nothinghere.html'
errcode, out, err = yield self.execute([filepath, '-c', 'item'],
check_code=False)
self.assertEqual(errcode, 1, out or err)
self.assertIn(b'No such file or directory', err)
@defer.inlineCallbacks
def test_dns_failures(self):
url = 'www.somedomainthatdoesntexi.st'
errcode, out, err = yield self.execute([url, '-c', 'item'],
check_code=False)
self.assertEqual(errcode, 1, out or err)
self.assertIn(b'DNS lookup failed', err)