def test_http_request(self):
request = Request('http://example.com')
request.fields['hello'] = 'world'
new_request = convert_http_request(request)
self.assertEqual('example.com', new_request.host)
self.assertEqual('world', new_request.get_header('Hello'))
def test_xml_detect(self):
self.assertTrue(
XMLDetector.is_file(io.BytesIO(
'<?xml version='.encode('utf-16le'))))
self.assertFalse(
XMLDetector.is_file(
io.BytesIO('<!DOCTYPE html><html><body>'.encode('utf-16le'))))
self.assertFalse(XMLDetector.is_file(io.BytesIO(b'<html><body>hello')))
self.assertTrue(XMLDetector.is_file(io.BytesIO(b'<?xml version')))
self.assertTrue(
XMLDetector.is_url(URLInfo.parse('example.com/index.xml')))
self.assertFalse(
XMLDetector.is_url(URLInfo.parse('example.com/image.jpg')))
self.assertTrue(
XMLDetector.is_request(Request('example.com/index.xml')))
self.assertFalse(
XMLDetector.is_request(Request('example.com/image.jpg')))
response = Response(200, 'OK')
response.fields['Content-Type'] = 'text/xml'
self.assertTrue(XMLDetector.is_response(response))
response = Response(200, 'OK')
response.fields['Content-Type'] = 'application/xml'
self.assertTrue(XMLDetector.is_response(response))
response = Response(200, 'OK')
response.fields['Content-Type'] = 'image/png'
self.assertFalse(XMLDetector.is_response(response))
def test_basic_requests(self):
proxy_http_client = Client(recorder=DebugPrintRecorder())
proxy_server = HTTPProxyServer(proxy_http_client)
proxy_socket, proxy_port = tornado.testing.bind_unused_port()
yield From(trollius.start_server(proxy_server, sock=proxy_socket))
connection_pool = HTTPProxyConnectionPool(('127.0.0.1', proxy_port))
http_client = Client(connection_pool=connection_pool,
recorder=DebugPrintRecorder())
for dummy in range(3):
with http_client.session() as session:
response = yield From(session.fetch(Request(self.get_url('/'))))
self.assertEqual(200, response.status_code)
file = io.BytesIO()
yield From(session.read_content(file=file))
data = file.getvalue().decode('ascii', 'replace')
self.assertTrue(data.endswith('</html>'))
with http_client.session() as session:
response = yield From(session.fetch(Request(
self.get_url('/always_error'))))
self.assertEqual(500, response.status_code)
self.assertEqual('Dragon In Data Center', response.reason)
file = io.BytesIO()
yield From(session.read_content(file=file))
data = file.getvalue().decode('ascii', 'replace')
self.assertEqual('Error', data)
def test_client_did_not_complete(self):
client = Client()
with warnings.catch_warnings(record=True) as warn_list:
warnings.simplefilter("always")
with client.session() as session:
request = Request(self.get_url('/'))
yield From(session.fetch(request))
self.assertFalse(session.done())
for warn_obj in warn_list:
print(warn_obj)
# Unrelated warnings may occur in PyPy
# https://travis-ci.org/chfoo/wpull/jobs/51420202
self.assertGreaterEqual(len(warn_list), 1)
for warn_obj in warn_list:
if str(warn_obj.message) == 'HTTP session did not complete.':
break
else:
self.fail('Warning did not occur.')
client = Client()
with self.assertRaises(MyException):
with client.session() as session:
request = Request(self.get_url('/'))
yield From(session.fetch(request))
raise MyException('Oops')
def test_connection_reuse(self):
stream = self.new_stream()
request = Request(self.get_url('/'))
request.version = 'HTTP/1.0'
response, dummy = yield From(self.fetch(stream, request))
self.assertEqual(200, response.status_code)
response, dummy = yield From(self.fetch(stream, request))
self.assertEqual(200, response.status_code)
def test_request(self):
request = Request('http://example.com/robots.txt')
request.prepare_for_send()
self.assertEqual(
(b'GET /robots.txt HTTP/1.1\r\n'
b'Host: example.com\r\n'
b'\r\n'),
request.to_bytes()
)
def test_overrun(self):
stream = self.new_stream()
request = Request(self.get_url('/overrun'))
for dummy in range(3):
response, content = yield From(self.fetch(stream, request))
self.assertEqual(b'a' * 100, content)
request = Request(self.get_url('/'))
yield From(self.fetch(stream, request))
def test_header_early_close(self):
stream = self.new_stream()
request = Request(self.get_url('/header_early_close'))
try:
yield From(self.fetch(stream, request))
except NetworkError:
pass
else:
self.fail() # pragma: no cover
request = Request(self.get_url('/'))
yield From(self.fetch(stream, request))
def test_to_dict_body(self):
request = Request()
request.body = Body()
request_dict = request.to_dict()
self.assertTrue(request_dict['body'])
request.body.close()
request = Request()
request.body = NotImplemented
request_dict = request.to_dict()
self.assertFalse(request_dict['body'])
response = Response()
response.body = Body()
response_dict = response.to_dict()
self.assertTrue(response_dict['body'])
response.body.close()
response = Response()
response.body = NotImplemented
response_dict = response.to_dict()
self.assertFalse(response_dict['body'])
def test_html_detect(self):
self.assertTrue(HTMLReader.is_file(
io.BytesIO('<html><body>hi</body></html>'.encode('utf-16le'))
))
self.assertFalse(HTMLReader.is_file(
io.BytesIO('hello world!'.encode('utf-16le'))
))
self.assertTrue(HTMLReader.is_file(
io.BytesIO(b'<title>hello</title>hi')
))
self.assertTrue(HTMLReader.is_file(
io.BytesIO(b'<html><body>hello')
))
self.assertTrue(HTMLReader.is_file(
io.BytesIO(
b'The document has moved <a href="somewhere.html">here</a>'
)
))
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.htm'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.html'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.dhtm'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.xhtml'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.xht'))
)
self.assertFalse(
HTMLReader.is_url(URLInfo.parse('example.com/image.jpg'))
)
self.assertTrue(
HTMLReader.is_request(Request.new('example.com/index.html'))
)
self.assertFalse(
HTMLReader.is_request(Request.new('example.com/image.jpg'))
)
response = Response('HTTP/1.0', '200', 'OK')
response.fields['Content-Type'] = 'text/html'
self.assertTrue(HTMLReader.is_response(response))
response = Response('HTTP/1.0', '200', 'OK')
response.fields['Content-Type'] = 'image/png'
self.assertFalse(HTMLReader.is_response(response))
def test_html_detect(self):
self.assertTrue(HTMLReader.is_file(
io.BytesIO('<html><body>hi</body></html>'.encode('utf-16le'))
))
self.assertFalse(HTMLReader.is_file(
io.BytesIO('hello world!'.encode('utf-16le'))
))
self.assertTrue(HTMLReader.is_file(
io.BytesIO(b'<title>hello</title>hi')
))
self.assertTrue(HTMLReader.is_file(
io.BytesIO(b'<html><body>hello')
))
self.assertTrue(HTMLReader.is_file(
io.BytesIO(
b'The document has moved <a href="somewhere.html">here</a>'
)
))
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.htm'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.html'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.dhtm'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.xhtml'))
)
self.assertTrue(
HTMLReader.is_url(URLInfo.parse('example.com/index.xht'))
)
self.assertFalse(
HTMLReader.is_url(URLInfo.parse('example.com/image.jpg'))
)
self.assertTrue(
HTMLReader.is_request(Request.new('example.com/index.html'))
)
self.assertFalse(
HTMLReader.is_request(Request.new('example.com/image.jpg'))
)
response = Response('HTTP/1.0', '200', 'OK')
response.fields['Content-Type'] = 'text/html'
self.assertTrue(HTMLReader.is_response(response))
response = Response('HTTP/1.0', '200', 'OK')
response.fields['Content-Type'] = 'image/png'
self.assertFalse(HTMLReader.is_response(response))
def test_warc_recorder_rollback(self):
warc_filename = 'asdf.warc'
warc_prefix = 'asdf'
with open(warc_filename, 'wb') as warc_file:
warc_file.write(b'a' * 10)
warc_recorder = WARCRecorder(
warc_prefix,
params=WARCRecorderParams(
compress=False,
)
)
request = HTTPRequest('http://example.com/')
request.address = ('0.0.0.0', 80)
response = HTTPResponse(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
response.body.write(b'KITTEH DOGE')
with warc_recorder.session() as session:
session.pre_request(request)
session.request_data(request.to_bytes())
class BadRecord(WARCRecord):
def __init__(self, original_record):
super().__init__()
self.block_file = original_record.block_file
self.fields = original_record.fields
def __iter__(self):
for dummy in range(1000):
yield b"where's my elephant?"
raise OSError('Oops')
session._child_session._request_record = \
BadRecord(session._child_session._request_record)
original_offset = os.path.getsize(warc_filename)
with self.assertRaises((OSError, IOError)):
session.request(request)
new_offset = os.path.getsize(warc_filename)
self.assertEqual(new_offset, original_offset)
self.assertFalse(os.path.exists(warc_filename + '-wpullinc'))
_logger.debug('original offset {0}'.format(original_offset))
def test_warc_max_size_and_append(self):
file_prefix = 'asdf'
with open('asdf-00000.warc', 'w'):
pass
with open('asdf-00001.warc', 'w'):
pass
warc_recorder = WARCRecorder(
file_prefix,
params=WARCRecorderParams(
compress=False,
max_size=1,
appending=True
),
)
request = HTTPRequest('http://example.com/1')
request.address = ('0.0.0.0', 80)
response = HTTPResponse(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
response.body.write(b'BLAH')
with warc_recorder.session() as session:
session.pre_request(request)
session.request_data(request.to_bytes())
session.request(request)
session.pre_response(response)
session.response_data(response.to_bytes())
session.response_data(response.body.content())
session.response(response)
warc_recorder.close()
self.assertTrue(os.path.exists('asdf-00000.warc'))
self.assertTrue(os.path.exists('asdf-00001.warc'))
self.assertTrue(os.path.exists('asdf-00002.warc'))
self.assertTrue(os.path.exists('asdf-00003.warc'))
self.assertTrue(os.path.exists('asdf-meta.warc'))
self.assertEqual(0, os.path.getsize('asdf-00000.warc'))
self.assertEqual(0, os.path.getsize('asdf-00001.warc'))
self.assertNotEqual(0, os.path.getsize('asdf-00002.warc'))
self.assertNotEqual(0, os.path.getsize('asdf-00003.warc'))
self.assertNotEqual(0, os.path.getsize('asdf-meta.warc'))
def test_javascript_heavy_inline_monstrosity(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'twitchplayspokemonfirered.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertIn(
'http://cdn.bulbagarden.net/upload/archive/a/a4/'
'20090718115357%21195Quagsire.png',
inline_urls
)
self.assertIn(
'http://www.google.com/url?q=http%3A%2F%2Fwww.reddit.com%2F'
'user%2FGoldenSandslash15&sa=D&sntz=1&'
'usg=AFQjCNElFBxZYdNm5mWoRSncf5tbdIJQ-A',
linked_urls
)
def test_sitemap_scraper_xml(self):
scraper = SitemapScraper()
request = Request.new('http://example.com/sitemap.xml')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
response.body.content_file.write(
b'''<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>http://www.example.com/</loc>
<lastmod>2005-01-01</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
</urlset>
'''
)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual({
'http://www.example.com/',
},
linked_urls
)
self.assertFalse(inline_urls)
def test_sitemap_scraper_xml_index(self):
scraper = SitemapScraper()
request = Request.new('http://example.com/sitemap.xml')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
response.body.content_file.write(
b'''<?xml version="1.0" encoding="UTF-8"?>
<sitemapindex
xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<sitemap>
<loc>http://www.example.com/sitemap1.xml.gz</loc>
<lastmod>2004-10-01T18:23:17+00:00</lastmod>
</sitemap>
</sitemapindex>
'''
)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual({
'http://www.example.com/sitemap1.xml.gz',
},
linked_urls
)
self.assertFalse(inline_urls)
def test_rss_as_html(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
response.fields['content-type'] = 'application/rss+xml'
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'rss.xml')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
self.assertTrue(scrape_info)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertFalse(
inline_urls
)
self.assertEqual(
{
'http://www.someexamplerssdomain.com/main.html',
'http://www.wikipedia.org/'
},
linked_urls
)
def test_xhtml_invalid(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'xhtml_invalid.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual(
{
'http://example.com/image.png',
'http://example.com/script.js',
},
inline_urls
)
self.assertEqual(
{
'http://example.com/link'
},
linked_urls
)
def test_html_krokozyabry(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'text/html; charset=KOI8-R'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples',
'krokozyabry.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual('koi8-r', scrape_result.encoding)
self.assertEqual(
set(),
inline_urls
)
self.assertEqual(
{'http://example.com/Кракозябры'},
linked_urls
)
def test_xhtml_invalid(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples',
'xhtml_invalid.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual(
{
'http://example.com/image.png',
'http://example.com/script.js',
},
inline_urls
)
self.assertEqual(
{
'http://example.com/link'
},
linked_urls
)
def test_html_krokozyabry(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
response.fields['content-type'] = 'text/html; charset=KOI8-R'
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples',
'krokozyabry.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual('koi8-r', scrape_info['encoding'])
self.assertEqual(
set(),
inline_urls
)
self.assertEqual(
{'http://example.com/Кракозябры'},
linked_urls
)
def test_html_not_quite_charset(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples',
'videogame_top.htm')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertIn(
'http://example.com/copyright_2001_2006_rtype.gif',
inline_urls
)
self.assertIn(
'http://www.geocities.jp/gamehouse_grindcrusher/',
linked_urls
)
def test_sitemap_scraper_xml(self):
scraper = SitemapScraper(self.get_html_parser())
request = Request('http://example.com/sitemap.xml')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
response.body.write(b'''<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>http://www.example.com/</loc>
<lastmod>2005-01-01</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
</urlset>
''')
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual({
'http://www.example.com/',
}, linked_urls)
self.assertFalse(inline_urls)
def test_sitemap_scraper_xml_index(self):
scraper = SitemapScraper(self.get_html_parser())
request = Request('http://example.com/sitemap.xml')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
response.body.write(b'''<?xml version="1.0" encoding="UTF-8"?>
<sitemapindex
xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<sitemap>
<loc>http://www.example.com/sitemap1.xml.gz</loc>
<lastmod>2004-10-01T18:23:17+00:00</lastmod>
</sitemap>
</sitemapindex>
''')
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual({
'http://www.example.com/sitemap1.xml.gz',
}, linked_urls)
self.assertFalse(inline_urls)
def test_fetch_disallow(self):
http_client = MockHTTPClient()
pool = RobotsTxtPool()
client = RichClient(http_client, pool)
session = MockRobotsTxtRichClientSession(
client, Request.new('http://example.com'))
self.assertEqual(RobotsState.unknown, session._robots_state)
request = session.next_request
self.assertTrue(request.url_info.url.endswith('robots.txt'))
response = Response('HTTP/1.0', 200, 'OK')
response.body.content_file = io.StringIO('User-agent:*\nDisallow: /\n')
http_client.response = response
yield session.fetch()
self.assertEqual(RobotsState.denied, session._robots_state)
request = session.next_request
self.assertIsNone(request)
try:
yield session.fetch()
except RobotsDenied:
pass
else:
self.fail()
self.assertTrue(session.done)
def test_sitemap_scraper_xml_index(self):
scraper = SitemapScraper()
request = Request.new('http://example.com/sitemap.xml')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
response.body.content_file.write(
b'''<?xml version="1.0" encoding="UTF-8"?>
<sitemapindex
xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<sitemap>
<loc>http://www.example.com/sitemap1.xml.gz</loc>
<lastmod>2004-10-01T18:23:17+00:00</lastmod>
</sitemap>
</sitemapindex>
'''
)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual({
'http://www.example.com/sitemap1.xml.gz',
},
linked_urls
)
self.assertFalse(inline_urls)
def test_html_soup(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['Refresh'] = 'yes'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples', 'soup.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual(
{'http://example.com/ABOUTM~1.JPG'},
inline_urls
)
self.assertEqual(
{
'http://example.com/BLOG',
'http://example.com/web ring/Join.htm',
},
linked_urls
)
def test_javascript_heavy_inline_monstrosity(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples',
'twitchplayspokemonfirered.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertIn(
'http://cdn.bulbagarden.net/upload/archive/a/a4/'
'20090718115357%21195Quagsire.png',
inline_urls
)
self.assertIn(
'http://www.google.com/url?q=http%3A%2F%2Fwww.reddit.com%2F'
'user%2FGoldenSandslash15&sa=D&sntz=1&'
'usg=AFQjCNElFBxZYdNm5mWoRSncf5tbdIJQ-A',
linked_urls
)
def test_redirect_loop(self):
http_client = MockHTTPClient()
pool = RobotsTxtPool()
client = RichClient(http_client, pool)
session = MockRobotsTxtRichClientSession(
client, Request.new('http://example.com')
)
self.assertEqual(RobotsState.unknown, session._robots_state)
for dummy in range(21):
request = session.next_request
self.assertTrue(request.url_info.url.endswith('robots.txt'))
response = Response('HTTP/1.0', 302, 'See else')
response.url_info = request.url_info
response.fields['location'] = '/robots.txt'
http_client.response = response
yield session.fetch()
request = session.next_request
self.assertTrue(request)
response = Response('HTTP/1.0', 200, 'OK')
http_client.response = response
yield session.fetch()
self.assertEqual(RobotsState.ok, session._robots_state)
print(session.next_request)
self.assertTrue(session.done)
def test_fetch_disallow(self):
http_client = MockHTTPClient()
pool = RobotsTxtPool()
client = RichClient(http_client, pool)
session = MockRobotsTxtRichClientSession(
client, Request.new('http://example.com')
)
self.assertEqual(RobotsState.unknown, session._robots_state)
request = session.next_request
self.assertTrue(request.url_info.url.endswith('robots.txt'))
response = Response('HTTP/1.0', 200, 'OK')
response.body.content_file = io.StringIO('User-agent:*\nDisallow: /\n')
http_client.response = response
yield session.fetch()
self.assertEqual(RobotsState.denied, session._robots_state)
request = session.next_request
self.assertIsNone(request)
try:
yield session.fetch()
except RobotsDenied:
pass
else:
self.fail()
self.assertTrue(session.done)
def test_rss_as_html(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'application/rss+xml'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples', 'rss.xml')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
self.assertTrue(scrape_result)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertFalse(
inline_urls
)
self.assertEqual(
{
'http://www.someexamplerssdomain.com/main.html',
'http://www.wikipedia.org/'
},
linked_urls
)
def test_client_duration_timeout(self):
client = Client()
with self.assertRaises(DurationTimeout), client.session() as session:
request = Request(self.get_url('/sleep_long'))
yield From(session.fetch(request))
yield From(session.read_content(duration_timeout=0.1))
def test_html_soup(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
response.fields['Refresh'] = 'yes'
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'soup.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual(
{'http://example.com/ABOUTM~1.JPG'},
inline_urls
)
self.assertEqual(
{
'http://example.com/BLOG',
'http://example.com/web ring/Join.htm',
},
linked_urls
)
def test_html_soup(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
response.fields['Refresh'] = 'yes'
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'soup.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual(
{'http://example.com/ABOUTM~1.JPG'},
inline_urls
)
self.assertEqual(
{
'http://example.com/BLOG',
'http://example.com/web ring/Join.htm',
},
linked_urls
)
def test_html_scraper_links_base_href(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples',
'basehref.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual('utf-8', scrape_info['encoding'])
self.assertEqual({
'http://cdn.example.com/stylesheet1.css',
'http://www.example.com/stylesheet2.css',
'http://example.com/a/stylesheet3.css',
'http://example.com/a/dir/image1.png',
'http://example.com/dir/image2.png',
'http://example.net/image3.png',
'http://example.com/dir/image4.png',
},
inline_urls
)
self.assertEqual({
'http://example.com/a/'
},
linked_urls
)
def test_html_krokozyabry(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
response.fields['content-type'] = 'text/html; charset=KOI8-R'
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'krokozyabry.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual('koi8-r', scrape_info['encoding'])
self.assertEqual(
set(),
inline_urls
)
self.assertEqual(
{'http://example.com/Кракозябры'},
linked_urls
)
def test_rss_as_html(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, '')
response.fields['content-type'] = 'application/rss+xml'
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'rss.xml')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
self.assertTrue(scrape_info)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertFalse(
inline_urls
)
self.assertEqual(
{
'http://www.someexamplerssdomain.com/main.html',
'http://www.wikipedia.org/'
},
linked_urls
)
def test_html_scraper_links_base_href(self):
scraper = HTMLScraper()
request = Request.new('http://example.com/')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
html_file_path = os.path.join(os.path.dirname(__file__),
'testing', 'samples', 'basehref.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body.content_file)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual('utf-8', scrape_info['encoding'])
self.assertEqual({
'http://cdn.example.com/stylesheet1.css',
'http://www.example.com/stylesheet2.css',
'http://example.com/a/stylesheet3.css',
'http://example.com/a/dir/image1.png',
'http://example.com/dir/image2.png',
'http://example.net/image3.png',
'http://example.com/dir/image4.png',
},
inline_urls
)
self.assertEqual({
'http://example.com/a/'
},
linked_urls
)
def test_sitemap_scraper_xml(self):
scraper = SitemapScraper()
request = Request.new('http://example.com/sitemap.xml')
response = Response('HTTP/1.0', 200, 'OK')
with wpull.util.reset_file_offset(response.body.content_file):
response.body.content_file.write(
b'''<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>http://www.example.com/</loc>
<lastmod>2005-01-01</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
</urlset>
'''
)
scrape_info = scraper.scrape(request, response)
inline_urls = scrape_info['inline_urls']
linked_urls = scrape_info['linked_urls']
self.assertEqual({
'http://www.example.com/',
},
linked_urls
)
self.assertFalse(inline_urls)
def test_xhtml_invalid(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples',
'xhtml_invalid.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual(
{
'http://example.com/image.png',
'http://example.com/script.js',
},
inline_urls
)
self.assertEqual(
{
'http://example.com/link'
},
linked_urls
)
def test_server_error(self):
http_client = MockHTTPClient()
pool = RobotsTxtPool()
client = RichClient(http_client, pool)
session = MockRobotsTxtRichClientSession(
client, Request.new('http://example.com')
)
self.assertEqual(RobotsState.unknown, session._robots_state)
for dummy in range(21):
request = session.next_request
self.assertTrue(request.url_info.url.endswith('robots.txt'))
response = Response('HTTP/1.0', 500, 'Opps')
http_client.response = response
yield session.fetch()
request = session.next_request
self.assertIsNone(request)
try:
yield session.fetch()
except RobotsDenied:
pass
else:
self.fail()
self.assertTrue(session.done)
def test_status_line_only(self):
stream = self.new_stream('127.0.0.1', self._port)
request = Request(self.get_url('/status_line_only'))
response, content = yield From(self.fetch(stream, request))
self.assertEqual(200, response.status_code)
self.assertEqual(b'Hey', content)
def test_utf8_header(self):
stream = self.new_stream()
request = Request(self.get_url('/utf8_header'))
response, dummy = yield From(self.fetch(stream, request))
self.assertEqual(200, response.status_code)
self.assertEqual('🐱'.encode('utf-8').decode('latin-1'),
response.fields['whoa'])
def test_false_gzip(self):
stream = self.new_stream('127.0.0.1', self._port)
request = Request(self.get_url('/false_gzip'))
response, content = yield From(self.fetch(stream, request))
self.assertEqual('gzip', response.fields['Content-Encoding'])
self.assertEqual(b'a' * 100, content)
def test_content_length_and_chunked(self):
stream = self.new_stream()
request = Request(self.get_url('/content_length_and_chunked'))
response, content = yield From(self.fetch(stream, request))
self.assertEqual(200, response.status_code)
self.assertEqual('chunked', response.fields['Transfer-Encoding'])
self.assertEqual(b'hello world!', content)
def test_ssl_fail(self):
connection = Connection('localhost', self.get_http_port())
try:
yield connection.fetch(Request.new(self.get_url('/')))
except SSLVerficationError:
pass
else:
self.fail()
def test_request(self):
request = Request.new('http://example.com/robots.txt')
self.assertEqual(
(b'GET /robots.txt HTTP/1.1\r\n'
b'Host: example.com\r\n'
b'\r\n'),
request.header()
)
def test_connection_reuse(self):
connection = Connection('localhost', self._port)
request = Request.new(self.get_url('/'))
request.version = 'HTTP/1.0'
response = yield connection.fetch(request)
self.assertEqual(200, response.status_code)
response = yield connection.fetch(request)
self.assertEqual(200, response.status_code)
def test_warc_recorder_journal(self):
warc_filename = 'asdf.warc'
warc_prefix = 'asdf'
warc_recorder = WARCRecorder(
warc_prefix,
params=WARCRecorderParams(
compress=False,
)
)
request = HTTPRequest('http://example.com/')
request.address = ('0.0.0.0', 80)
response = HTTPResponse(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
response.body.write(b'KITTEH DOGE')
with warc_recorder.session() as session:
session.pre_request(request)
session.request_data(request.to_bytes())
test_instance = self
class MockRecord(WARCRecord):
def __init__(self, original_record):
super().__init__()
self.block_file = original_record.block_file
self.fields = original_record.fields
def __iter__(self):
print(list(os.walk('.')))
test_instance.assertTrue(
os.path.exists(warc_filename + '-wpullinc')
)
for dummy in range(1000):
yield b"where's my elephant?"
session._child_session._request_record = \
MockRecord(session._child_session._request_record)
session.request(request)
self.assertFalse(os.path.exists(warc_filename + '-wpullinc'))
def test_connection_refused(self):
connection = Connection('localhost', 1)
try:
yield connection.fetch(
Request.new('http://localhost:1/'))
except ConnectionRefused:
pass
else:
self.fail()
def test_client_exception_throw(self):
client = Client()
try:
yield client.fetch(Request.new('http://wpull-no-exist.invalid'))
except NetworkError:
pass
else:
self.fail()
def test_no_such_host(self):
connection = Connection('wpull-no-exist.invalid', 80)
try:
yield connection.fetch(
Request.new('http://wpull-no-exist.invalid'))
except NetworkError:
pass
else:
self.fail()
def test_connection_timeout(self):
connection = Connection('1.0.0.0', 1, connect_timeout=0.1)
try:
yield connection.fetch(
Request.new('http://1.0.0.0:1/'))
except NetworkError:
pass
else:
self.fail()
def test_read_timeout(self):
connection = Connection('localhost', self._port, read_timeout=0.1)
request = Request.new(self.get_url('/sleep_long'))
try:
yield connection.fetch(request)
except NetworkError:
pass
else:
self.fail()
def _read_request_header(self):
request = Request()
for dummy in range(100):
line = yield From(self._reader.readline())
_logger.debug(__('Got line {0}', line))
if line[-1:] != b'\n':
return
if not line.strip():
break
request.parse(line)
else:
raise ProtocolError('Request has too many headers.')
raise Return(request)
def test_buffer_overflow(self):
connection = Connection('localhost', self._port,
connect_timeout=2.0, read_timeout=5.0, buffer_size=1000)
request = Request.new(self.get_url('/buffer_overflow'))
try:
yield connection.fetch(request)
except (ProtocolError, NetworkError):
pass
else:
self.fail()
def test_basic(self):
http_client = Client()
client = RichClient(http_client)
session = client.session(Request.new(self.get_url('/')))
self.assertFalse(session.done)
response = yield session.fetch()
self.assertEqual(200, response.status_code)
self.assertTrue(session.done)
def test_http_request(self):
request = Request.new('http://example.com')
request.fields['hello'] = 'world'
new_request = convert_http_request(request)
if sys.version_info[0] == 2:
self.assertEqual('example.com', new_request.get_host())
else:
self.assertEqual('example.com', new_request.host)
self.assertEqual('world', new_request.get_header('Hello'))