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# Copyright (c) 2017 crocoite contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import asyncio, socket
from operator import itemgetter
from http.server import BaseHTTPRequestHandler
from datetime import datetime
from yarl import URL
from aiohttp import web
from multidict import CIMultiDict
from hypothesis import given
import hypothesis.strategies as st
from hypothesis.provisional import domains
import pytest
from .browser import RequestResponsePair, SiteLoader, Request, \
UnicodeBody, ReferenceTimestamp, Base64Body, UnicodeBody, Request, \
Response, NavigateError, PageIdle, FrameNavigated
from .logger import Logger, Consumer
from .devtools import Crashed, Process
# if you want to know what’s going on:
#import logging
#logging.basicConfig(level=logging.DEBUG)
class AssertConsumer (Consumer):
def __call__ (self, **kwargs):
assert 'uuid' in kwargs
assert 'msg' in kwargs
assert 'context' in kwargs
return kwargs
@pytest.fixture
def logger ():
return Logger (consumer=[AssertConsumer ()])
@pytest.fixture
async def loader (logger):
async with Process () as browser, SiteLoader (browser, logger) as l:
yield l
@pytest.mark.asyncio
async def test_crash (loader):
with pytest.raises (Crashed):
await loader.tab.Page.crash ()
@pytest.mark.asyncio
async def test_invalidurl (loader):
host = 'nonexistent.example'
# make sure the url does *not* resolve (some DNS intercepting ISP’s mess
# with this)
loop = asyncio.get_event_loop ()
try:
resolved = await loop.getaddrinfo (host, None)
except socket.gaierror:
url = URL.build (scheme='http', host=host)
with pytest.raises (NavigateError):
await loader.navigate (url)
else:
pytest.skip (f'host {host} resolved to {resolved}')
timestamp = st.one_of (
st.integers(min_value=0, max_value=2**32-1),
st.floats (min_value=0, max_value=2**32-1),
)
@given(timestamp, timestamp, timestamp)
def test_referencetimestamp (relativeA, absoluteA, relativeB):
ts = ReferenceTimestamp (relativeA, absoluteA)
absoluteA = datetime.utcfromtimestamp (absoluteA)
absoluteB = ts (relativeB)
assert (absoluteA < absoluteB and relativeA < relativeB) or \
(absoluteA >= absoluteB and relativeA >= relativeB)
assert abs ((absoluteB - absoluteA).total_seconds () - (relativeB - relativeA)) < 10e-6
def urls ():
""" Build http/https URL """
scheme = st.sampled_from (['http', 'https'])
# Path must start with a slash
pathSt = st.builds (lambda x: '/' + x, st.text ())
args = st.fixed_dictionaries ({
'scheme': scheme,
'host': domains (),
'port': st.one_of (st.none (), st.integers (min_value=1, max_value=2**16-1)),
'path': pathSt,
'query_string': st.text (),
'fragment': st.text (),
})
return st.builds (lambda x: URL.build (**x), args)
def urlsStr ():
return st.builds (lambda x: str (x), urls ())
asciiText = st.text (st.characters (min_codepoint=32, max_codepoint=126))
def chromeHeaders ():
# token as defined by https://tools.ietf.org/html/rfc7230#section-3.2.6
token = st.sampled_from('abcdefghijklmnopqrstuvwxyz0123456789!#$%&\'*+-.^_`|~')
# XXX: the value should be asciiText without leading/trailing spaces
return st.dictionaries (token, token)
def fixedDicts (fixed, dynamic):
return st.builds (lambda x, y: x.update (y), st.fixed_dictionaries (fixed), st.lists (dynamic))
def chromeRequestWillBeSent (reqid, url):
methodSt = st.sampled_from (['GET', 'POST', 'PUT', 'DELETE'])
return st.fixed_dictionaries ({
'requestId': reqid,
'initiator': st.just ('Test'),
'wallTime': timestamp,
'timestamp': timestamp,
'request': st.fixed_dictionaries ({
'url': url,
'method': methodSt,
'headers': chromeHeaders (),
# XXX: postData, hasPostData
})
})
def chromeResponseReceived (reqid, url):
mimeTypeSt = st.one_of (st.none (), st.just ('text/html'))
remoteIpAddressSt = st.one_of (st.none (), st.just ('127.0.0.1'))
protocolSt = st.one_of (st.none (), st.just ('h2'))
statusCodeSt = st.integers (min_value=100, max_value=999)
typeSt = st.sampled_from (['Document', 'Stylesheet', 'Image', 'Media',
'Font', 'Script', 'TextTrack', 'XHR', 'Fetch', 'EventSource',
'WebSocket', 'Manifest', 'SignedExchange', 'Ping',
'CSPViolationReport', 'Other'])
return st.fixed_dictionaries ({
'requestId': reqid,
'timestamp': timestamp,
'type': typeSt,
'response': st.fixed_dictionaries ({
'url': url,
'requestHeaders': chromeHeaders (), # XXX: make this optional
'headers': chromeHeaders (),
'status': statusCodeSt,
'statusText': asciiText,
'mimeType': mimeTypeSt,
'remoteIPAddress': remoteIpAddressSt,
'protocol': protocolSt,
})
})
def chromeReqResp ():
# XXX: will this gnerated the same url for all testcases?
reqid = st.shared (st.text (), 'reqresp')
url = st.shared (urlsStr (), 'reqresp')
return st.tuples (chromeRequestWillBeSent (reqid, url),
chromeResponseReceived (reqid, url))
def requestResponsePair ():
def f (creq, cresp, hasPostData, reqBody, respBody):
i = RequestResponsePair ()
i.fromRequestWillBeSent (creq)
i.request.hasPostData = hasPostData
if hasPostData:
i.request.body = reqBody
if cresp is not None:
i.fromResponseReceived (cresp)
if respBody is not None:
i.response.body = respBody
return i
bodySt = st.one_of (
st.none (),
st.builds (UnicodeBody, st.text ()),
st.builds (Base64Body.fromBytes, st.binary ())
)
return st.builds (lambda reqresp, hasPostData, reqBody, respBody:
f (reqresp[0], reqresp[1], hasPostData, reqBody, respBody),
chromeReqResp (), st.booleans (), bodySt, bodySt)
@given(chromeReqResp ())
def test_requestResponsePair (creqresp):
creq, cresp = creqresp
item = RequestResponsePair ()
assert item.id is None
assert item.url is None
assert item.request is None
assert item.response is None
item.fromRequestWillBeSent (creq)
assert item.id == creq['requestId']
url = URL (creq['request']['url'])
assert item.url == url
assert item.request is not None
assert item.request.timestamp == datetime.utcfromtimestamp (creq['wallTime'])
assert set (item.request.headers.keys ()) == set (creq['request']['headers'].keys ())
assert item.response is None
item.fromResponseReceived (cresp)
# url will not be overwritten
assert item.id == creq['requestId'] == cresp['requestId']
assert item.url == url
assert item.request is not None
assert set (item.request.headers.keys ()) == set (cresp['response']['requestHeaders'].keys ())
assert item.response is not None
assert set (item.response.headers.keys ()) == set (cresp['response']['headers'].keys ())
assert (item.response.timestamp - item.request.timestamp).total_seconds () - \
(cresp['timestamp'] - creq['timestamp']) < 10e-6
@given(chromeReqResp ())
def test_requestResponsePair_eq (creqresp):
creq, cresp = creqresp
item = RequestResponsePair ()
item2 = RequestResponsePair ()
assert item == item
assert item == item2
item.fromRequestWillBeSent (creq)
assert item != item2
item2.fromRequestWillBeSent (creq)
assert item == item
assert item == item2
item.fromResponseReceived (cresp)
assert item != item2
item2.fromResponseReceived (cresp)
assert item == item
assert item == item2
# XXX: test for inequality with different parameters
### Google Chrome integration tests ###
serverUrl = URL.build (scheme='http', host='localhost', port=8080)
items = [
RequestResponsePair (
url=serverUrl.with_path ('/encoding/utf-8'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'text/html; charset=utf-8')]),
body=UnicodeBody ('äöü'), mimeType='text/html')
),
RequestResponsePair (
url=serverUrl.with_path ('/encoding/latin1'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'text/html; charset=latin1')]),
body=UnicodeBody ('äöü'), mimeType='text/html')
),
RequestResponsePair (
url=serverUrl.with_path ('/encoding/utf-16'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'text/html; charset=utf-16')]),
body=UnicodeBody ('äöü'), mimeType='text/html')
),
RequestResponsePair (
url=serverUrl.with_path ('/encoding/ISO-8859-1'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'text/html; charset=ISO-8859-1')]),
body=UnicodeBody ('äöü'), mimeType='text/html')
),
RequestResponsePair (
url=serverUrl.with_path ('/status/200'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'text/plain')]),
body=b'',
mimeType='text/plain'),
),
# redirects never have a response body
RequestResponsePair (
url=serverUrl.with_path ('/status/301'),
request=Request (method='GET'),
response=Response (status=301,
headers=CIMultiDict ([('Content-Type', 'text/plain'),
('Location', str (serverUrl.with_path ('/status/301/redirected')))]),
body=None,
mimeType='text/plain'),
),
RequestResponsePair (
url=serverUrl.with_path ('/image/png'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'image/png')]),
body=Base64Body.fromBytes (b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x00\x00\x00\x00:~\x9bU\x00\x00\x00\nIDAT\x08\x1dc\xf8\x0f\x00\x01\x01\x01\x006_g\x80\x00\x00\x00\x00IEND\xaeB`\x82'),
mimeType='image/png'),
),
RequestResponsePair (
url=serverUrl.with_path ('/script/alert'),
request=Request (method='GET'),
response=Response (status=200, headers=CIMultiDict ([('Content-Type', 'text/html; charset=utf-8')]),
body=UnicodeBody ('''<html><body><script>
window.addEventListener("beforeunload", function (e) {
e.returnValue = "bye?";
return e.returnValue;
});
alert("stopping here");
if (confirm("are you sure?") || prompt ("42?")) {
window.location = "/nonexistent";
}
</script></body></html>'''), mimeType='text/html')
),
]
@pytest.mark.asyncio
# would be nice if we could use hypothesis here somehow
@pytest.mark.parametrize("golden", items)
async def test_integration_item (loader, golden):
async def f (req):
body = golden.response.body
contentType = golden.response.headers.get ('content-type', '') if golden.response.headers is not None else ''
charsetOff = contentType.find ('charset=')
if isinstance (body, UnicodeBody) and charsetOff != -1:
encoding = contentType[charsetOff+len ('charset='):]
body = golden.response.body.decode ('utf-8').encode (encoding)
return web.Response (body=body, status=golden.response.status,
headers=golden.response.headers)
app = web.Application ()
app.router.add_route (golden.request.method, golden.url.path, f)
runner = web.AppRunner(app)
await runner.setup()
site = web.TCPSite(runner, serverUrl.host, serverUrl.port)
try:
await site.start()
except Exception as e:
pytest.skip (e)
haveReqResp = False
haveNavigated = False
try:
await loader.navigate (golden.url)
it = loader.__aiter__ ()
while True:
try:
item = await asyncio.wait_for (it.__anext__ (), timeout=1)
except asyncio.TimeoutError:
break
# XXX: can only check the first req/resp right now (due to redirect)
if isinstance (item, RequestResponsePair) and not haveReqResp:
# we do not know this in advance
item.request.initiator = None
item.request.headers = None
item.remoteIpAddress = None
item.protocol = None
item.resourceType = None
if item.response:
assert item.response.statusText is not None
item.response.statusText = None
del item.response.headers['server']
del item.response.headers['content-length']
del item.response.headers['date']
assert item == golden
haveReqResp = True
elif isinstance (item, FrameNavigated):
# XXX: can’t check this, because of the redirect
#assert item.url == golden.url
haveNavigated = True
finally:
assert haveReqResp
assert haveNavigated
await runner.cleanup ()
def test_page_idle ():
for v in (True, False):
idle = PageIdle (v)
assert bool (idle) == v
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