# 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 pytest from operator import itemgetter from http.server import BaseHTTPRequestHandler from pychrome.exceptions import TimeoutException from .browser import Item, SiteLoader, ChromeService, NullService, BrowserCrashed from .logger import Logger, Consumer class TItem (Item): """ This should be as close to Item as possible """ __slots__ = ('bodySend', '_body', '_requestBody') base = 'http://localhost:8000/' def __init__ (self, path, status, headers, bodyReceive, bodySend=None, requestBody=None, failed=False): super ().__init__ (tab=None) self.chromeResponse = {'response': {'headers': headers, 'status': status, 'url': self.base + path}} self._body = bodyReceive, False self.bodySend = bodyReceive if not bodySend else bodySend self._requestBody = requestBody, False self.failed = failed @property def body (self): return self._body @property def requestBody (self): return self._requestBody testItems = [ TItem ('binary', 200, {'Content-Type': 'application/octet-stream'}, b'\x00\x01\x02', failed=True), TItem ('attachment', 200, {'Content-Type': 'text/plain; charset=utf-8', 'Content-Disposition': 'attachment; filename="attachment.txt"', }, 'This is a simple text file with umlauts. ÄÖU.'.encode ('utf8'), failed=True), TItem ('encoding/utf8', 200, {'Content-Type': 'text/plain; charset=utf-8'}, 'This is a test, äöü μνψκ ¥¥¥¿ýý¡'.encode ('utf8')), TItem ('encoding/iso88591', 200, {'Content-Type': 'text/plain; charset=ISO-8859-1'}, 'This is a test, äöü.'.encode ('utf8'), 'This is a test, äöü.'.encode ('ISO-8859-1')), TItem ('encoding/latin1', 200, {'Content-Type': 'text/plain; charset=latin1'}, 'This is a test, äöü.'.encode ('utf8'), 'This is a test, äöü.'.encode ('latin1')), TItem ('image', 200, {'Content-Type': 'image/png'}, # 1×1 png image 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'), TItem ('empty', 200, {}, b''), TItem ('redirect/301/empty', 301, {'Location': '/empty'}, b''), TItem ('redirect/301/redirect/301/empty', 301, {'Location': '/redirect/301/empty'}, b''), TItem ('nonexistent', 404, {}, b''), TItem ('html', 200, {'Content-Type': 'html'}, ''.encode ('utf8')), TItem ('html/alert', 200, {'Content-Type': 'html'}, ''.encode ('utf8')), TItem ('html/fetchPost', 200, {'Content-Type': 'html'}, r"""""".encode ('utf8')), TItem ('html/fetchPost/binary', 200, {'Content-Type': 'application/octet-stream'}, b'\x00', requestBody=b'\x00'), TItem ('html/fetchPost/form', 200, {'Content-Type': 'application/octet-stream'}, b'\x00', requestBody=b'data=%21'), # XXX: these should trigger the need for getRequestPostData, but they don’t. oh well. TItem ('html/fetchPost/binary/large', 200, {'Content-Type': 'application/octet-stream'}, b'\x00', requestBody=(100*1024)*b'\x00'), TItem ('html/fetchPost/form/large', 200, {'Content-Type': 'application/octet-stream'}, b'\x00', requestBody=b'data=' + (100*1024)*b'%21'), ] testItemMap = dict ([(item.parsedUrl.path, item) for item in testItems]) class RequestHandler (BaseHTTPRequestHandler): def do_GET(self): item = testItemMap.get (self.path) if item: self.send_response (item.response['status']) for k, v in item.response['headers'].items (): self.send_header (k, v) body = item.bodySend self.send_header ('Content-Length', len (body)) self.end_headers() self.wfile.write (body) return do_POST = do_GET def log_message (self, format, *args): pass @pytest.fixture def http (): def run (): import http.server PORT = 8000 httpd = http.server.HTTPServer (("localhost", PORT), RequestHandler) print ('starting http server') httpd.serve_forever() from multiprocessing import Process p = Process (target=run) p.start () yield p p.terminate () p.join () class AssertConsumer (Consumer): def __call__ (self, **kwargs): assert 'uuid' in kwargs assert 'msg' in kwargs assert 'context' in kwargs @pytest.fixture def logger (): return Logger (consumer=[AssertConsumer ()]) @pytest.fixture def loader (http, logger): def f (path): if path.startswith ('/'): path = 'http://localhost:8000{}'.format (path) return SiteLoader (browser, path, logger) print ('loader setup') with ChromeService () as browser: yield f print ('loader teardown') def itemsLoaded (l, items): items = dict ([(i.parsedUrl.path, i) for i in items]) timeout = 5 while True: if not l.notify.wait (timeout) and len (items) > 0: assert False, 'timeout' if len (l.queue) > 0: item = l.queue.popleft () if isinstance (item, Exception): raise item assert item.chromeResponse is not None golden = items.pop (item.parsedUrl.path) if not golden: assert False, 'url {} not supposed to be fetched'.format (item.url) assert item.failed == golden.failed if item.failed: # response will be invalid if request failed continue assert item.body[0] == golden.body[0] assert item.requestBody[0] == golden.requestBody[0] assert item.response['status'] == golden.response['status'] assert item.statusText == BaseHTTPRequestHandler.responses.get (item.response['status'])[0] for k, v in golden.responseHeaders: actual = list (map (itemgetter (1), filter (lambda x: x[0] == k, item.responseHeaders))) assert v in actual # check queue at least once if not items: break def literalItem (lf, item, deps=[]): with lf (item.parsedUrl.path) as l: l.start () itemsLoaded (l, [item] + deps) def test_empty (loader): literalItem (loader, testItemMap['/empty']) def test_redirect (loader): literalItem (loader, testItemMap['/redirect/301/empty'], [testItemMap['/empty']]) # chained redirects literalItem (loader, testItemMap['/redirect/301/redirect/301/empty'], [testItemMap['/redirect/301/empty'], testItemMap['/empty']]) def test_encoding (loader): """ Text responses are transformed to UTF-8. Make sure this works correctly. """ for item in {testItemMap['/encoding/utf8'], testItemMap['/encoding/latin1'], testItemMap['/encoding/iso88591']}: literalItem (loader, item) def test_binary (loader): """ Browser should ignore content it cannot display (i.e. octet-stream) """ literalItem (loader, testItemMap['/binary']) def test_image (loader): """ Images should be displayed inline """ literalItem (loader, testItemMap['/image']) def test_attachment (loader): """ And downloads won’t work in headless mode, even if it’s just a text file """ literalItem (loader, testItemMap['/attachment']) def test_html (loader): literalItem (loader, testItemMap['/html'], [testItemMap['/image'], testItemMap['/nonexistent']]) # make sure alerts are dismissed correctly (image won’t load otherwise) literalItem (loader, testItemMap['/html/alert'], [testItemMap['/image']]) def test_post (loader): """ XHR POST request with binary data""" literalItem (loader, testItemMap['/html/fetchPost'], [testItemMap['/html/fetchPost/binary'], testItemMap['/html/fetchPost/binary/large'], testItemMap['/html/fetchPost/form'], testItemMap['/html/fetchPost/form/large']]) def test_crash (loader): with loader ('/html') as l: l.start () try: l.tab.Page.crash (_timeout=1) except TimeoutException: pass q = l.queue assert isinstance (q.popleft (), BrowserCrashed) def test_invalidurl (loader): url = 'http://nonexistent.example/' with loader (url) as l: l.start () q = l.queue if not l.notify.wait (10): assert False, 'timeout' it = q.popleft () assert it.failed def test_nullservice (): """ Null service returns the url as is """ url = 'http://localhost:12345' with NullService (url) as u: assert u == url