import webtest from pywb.webapp.pywb_init import create_wb_router from pywb.framework.wsgi_wrappers import init_app from pywb.cdx.cdxobject import CDXObject MEMENTO_DATETIME = 'Memento-Datetime' ACCEPT_DATETIME = 'Accept-Datetime' LINK = 'Link' VARY = 'Vary' LINK_FORMAT = 'application/link-format' class TestWb: TEST_CONFIG = 'tests/test_config_memento.yaml' def setup(self): self.app = init_app(create_wb_router, load_yaml=True, config_file=self.TEST_CONFIG) self.testapp = webtest.TestApp(self.app) def get_links(self, resp): return map(lambda x: x.strip(), resp.headers[LINK].split(',')) def make_timemap_link(self, url): format_ = '; rel="timemap"; type="{1}"' return format_.format(url, LINK_FORMAT) # Below functionality is for archival (non-proxy) mode # It is designed to conform to Memento protocol Pattern 2.1 # http://www.mementoweb.org/guide/rfc/#Pattern2.1 def test_timegate_latest(self): """ TimeGate with no Accept-Datetime header """ resp = self.testapp.get('/pywb/http://www.iana.org/_css/2013.1/screen.css') assert resp.status_int == 302 assert resp.headers[VARY] == 'accept-datetime' links = self.get_links(resp) assert '; rel="original"' in links assert self.make_timemap_link('http://www.iana.org/_css/2013.1/screen.css') in links assert MEMENTO_DATETIME not in resp.headers assert '/pywb/20140127171239/http://www.iana.org/_css/2013.1/screen.css' in resp.headers['Location'] def test_timegate_accept_datetime(self): """ TimeGate with Accept-Datetime header """ headers = {ACCEPT_DATETIME: 'Sun, 26 Jan 2014 20:08:04'} resp = self.testapp.get('/pywb/http://www.iana.org/_css/2013.1/screen.css', headers=headers) assert resp.status_int == 302 assert resp.headers[VARY] == 'accept-datetime' links = self.get_links(resp) assert '; rel="original"' in links assert self.make_timemap_link('http://www.iana.org/_css/2013.1/screen.css') in links assert MEMENTO_DATETIME not in resp.headers assert '/pywb/20140126200804/http://www.iana.org/_css/2013.1/screen.css' in resp.headers['Location'] def test_non_timegate_intermediate_redir(self): """ Not a timegate, but an 'intermediate resource', redirect to closest timestamp """ headers = {ACCEPT_DATETIME: 'Sun, 26 Jan 2014 20:08:04'} # not a timegate, partial timestamp /2014/ present resp = self.testapp.get('/pywb/2014/http://www.iana.org/_css/2013.1/screen.css', headers=headers) assert resp.status_int == 302 # no vary header assert VARY not in resp.headers links = self.get_links(resp) assert '; rel="original"' in links assert MEMENTO_DATETIME not in resp.headers # redirect to latest, not negotiation via Accept-Datetime assert '/pywb/20140127171239/' in resp.headers['Location'] def test_memento_url(self): """ Memento response, 200 capture """ resp = self.testapp.get('/pywb/20140126200804/http://www.iana.org/_css/2013.1/screen.css') assert resp.status_int == 200 assert VARY not in resp.headers links = self.get_links(resp) assert '; rel="original"' in links assert '; rel="timegate"' in links assert self.make_timemap_link('http://www.iana.org/_css/2013.1/screen.css') in links assert resp.headers[MEMENTO_DATETIME] == 'Sun, 26 Jan 2014 20:08:04 GMT' def test_302_memento(self): """ Memento (capture) of a 302 response """ resp = self.testapp.get('/pywb/20140128051539/http://www.iana.org/domains/example') assert resp.status_int == 302 assert VARY not in resp.headers links = self.get_links(resp) assert '; rel="original"' in links assert '; rel="timegate"' in links assert self.make_timemap_link('http://www.iana.org/domains/example') in links assert resp.headers[MEMENTO_DATETIME] == 'Tue, 28 Jan 2014 05:15:39 GMT' def test_timemap(self): """ Test application/link-format timemap """ resp = self.testapp.get('/pywb/timemap/*/http://example.com?example=1') assert resp.status_int == 200 assert resp.content_type == LINK_FORMAT lines = resp.body.split('\n') assert len(lines) == 5 assert lines[0] == '; \ rel="self"; type="application/link-format"; from="Fri, 03 Jan 2014 03:03:21 GMT",' assert lines[1] == '; rel="original",' assert lines[2] == '; rel="timegate",' assert lines[3] == '; \ rel="memento"; datetime="Fri, 03 Jan 2014 03:03:21 GMT",' assert lines[4] == '; \ rel="memento"; datetime="Fri, 03 Jan 2014 03:03:41 GMT"' # Below functions test pywb proxy mode behavior # They are designed to roughly conform to Memento protocol Pattern 1.3 # with the exception that the original resource is not available def test_proxy_latest_memento(self): """ Proxy Mode memento with no Accept-Datetime Both a timegate and a memento """ # simulate proxy mode by setting REQUEST_URI request_uri = 'http://www.iana.org/_css/2013.1/screen.css' extra = dict(REQUEST_URI=request_uri, SCRIPT_NAME='') resp = self.testapp.get('/x-ignore-this-x', extra_environ=extra) assert resp.status_int == 200 # for timegate assert resp.headers[VARY] == 'accept-datetime' # for memento links = self.get_links(resp) assert '; rel="original timegate"' in links #assert self.make_timemap_link('http://www.iana.org/_css/2013.1/screen.css') in links assert resp.headers[MEMENTO_DATETIME] == 'Mon, 27 Jan 2014 17:12:39 GMT' def test_proxy_accept_datetime_memento(self): """ Proxy Mode memento with specific Accept-Datetime Both a timegate and a memento """ # simulate proxy mode by setting REQUEST_URI request_uri = 'http://www.iana.org/_css/2013.1/screen.css' extra = dict(REQUEST_URI=request_uri, SCRIPT_NAME='') headers = {ACCEPT_DATETIME: 'Sun, 26 Jan 2014 20:08:04'} resp = self.testapp.get('/x-ignore-this-x', extra_environ=extra, headers=headers) assert resp.status_int == 200 # for timegate assert resp.headers[VARY] == 'accept-datetime' # for memento links = self.get_links(resp) assert '; rel="original timegate"' in links #assert self.make_timemap_link('http://www.iana.org/_css/2013.1/screen.css') in links assert resp.headers[MEMENTO_DATETIME] == 'Sun, 26 Jan 2014 20:08:04 GMT' def test_error_bad_accept_datetime(self): """ 400 response for bad accept_datetime """ headers = {ACCEPT_DATETIME: 'Sun'} resp = self.testapp.get('/pywb/http://www.iana.org/_css/2013.1/screen.css', headers=headers, status=400) assert resp.status_int == 400 def test_error_bad_accept_datetime_proxy(self): """ 400 response for bad accept_datetime with proxy mode """ request_uri = 'http://www.iana.org/_css/2013.1/screen.css' extra = dict(REQUEST_URI=request_uri, SCRIPT_NAME='') headers = {ACCEPT_DATETIME: 'Sun, abc'} resp = self.testapp.get('/x-ignore-this-x', extra_environ=extra, headers=headers, status=400) assert resp.status_int == 400