devtools/fake.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Tue, 23 Oct 2012 15:00:53 +0200
changeset 8576 c9c72ac10db3
parent 8562 0d2fb4604265
child 8816 fe321c0f6d13
permissions -rw-r--r--
[merge] reintegrate that black sheep
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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""Fake objects to ease testing of cubicweb without a fully working environment
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"""
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__docformat__ = "restructuredtext en"
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from logilab.database import get_db_helper
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from cubicweb.req import RequestSessionBase
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from cubicweb.cwvreg import CWRegistryStore
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from cubicweb.web.request import CubicWebRequestBase
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from cubicweb.web.http_headers import Headers
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from cubicweb.devtools import BASE_URL, BaseApptestConfiguration
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class FakeConfig(dict, BaseApptestConfiguration):
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    translations = {}
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    uiprops = {}
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    https_uiprops = {}
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    apphome = None
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    debugmode = False
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    def __init__(self, appid='data', apphome=None, cubes=()):
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        self.appid = appid
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        self.apphome = apphome
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        self._cubes = cubes
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        self['auth-mode'] = 'cookie'
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        self['uid'] = None
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        self['base-url'] = BASE_URL
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        self['rql-cache-size'] = 3000
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        self.datadir_url = BASE_URL + 'data/'
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        self.https_datadir_url = (BASE_URL + 'data/').replace('http://', 'https://')
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    def cubes(self, expand=False):
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        return self._cubes
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    def sources(self):
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        return {'system': {'db-driver': 'sqlite'}}
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class FakeRequest(CubicWebRequestBase):
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    """test implementation of an cubicweb request object"""
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    def __init__(self, *args, **kwargs):
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        if not (args or 'vreg' in kwargs):
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            kwargs['vreg'] = CWRegistryStore(FakeConfig(), initlog=False)
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        kwargs['https'] = False
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        self._http_method = kwargs.pop('method', 'GET')
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        self._url = kwargs.pop('url', None) or 'view?rql=Blop&vid=blop'
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        super(FakeRequest, self).__init__(*args, **kwargs)
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        self._session_data = {}
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    def set_cookie(self, name, value, maxage=300, expires=None, secure=False):
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        super(FakeRequest, self).set_cookie(name, value, maxage, expires, secure)
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        cookie = self.get_response_header('Set-Cookie')
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        self._headers_in.setHeader('Cookie', cookie)
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    ## Implement request abstract API
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    def header_accept_language(self):
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        """returns an ordered list of preferred languages"""
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        return ('en',)
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    def http_method(self):
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        return self._http_method
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    def relative_path(self, includeparams=True):
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        """return the normalized path of the request (ie at least relative
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        to the instance's root, but some other normalization may be needed
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        so that the returned path may be used to compare to generated urls
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        """
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        if self._url.startswith(BASE_URL):
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            url = self._url[len(BASE_URL):]
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        else:
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            url = self._url
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        if includeparams:
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            return url
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        return url.split('?', 1)[0]
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    def set_request_header(self, header, value, raw=False):
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        """set an incoming HTTP header (For test purpose only)"""
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        if isinstance(value, basestring):
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            value = [value]
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        if raw: #
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            # adding encoded header is important, else page content
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            # will be reconverted back to unicode and apart unefficiency, this
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            # may cause decoding problem (e.g. when downloading a file)
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            self._headers_in.setRawHeaders(header, value)
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        else: #
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            self._headers_in.setHeader(header, value) #
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    def get_response_header(self, header, default=None, raw=False):
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        """return output header (For test purpose only"""
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        if raw: #
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            return self.headers_out.getRawHeaders(header, [default])[0]
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        return self.headers_out.getHeader(header, default)
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    def build_url_params(self, **kwargs):
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        # overriden to get predictable resultts
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        args = []
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        for param, values in sorted(kwargs.iteritems()):
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            if not isinstance(values, (list, tuple)):
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                values = (values,)
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            for value in values:
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                assert value is not None
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                args.append(u'%s=%s' % (param, self.url_quote(value)))
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        return '&'.join(args)
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class FakeUser(object):
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    login = 'toto'
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    eid = 0
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    def in_groups(self, groups):
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        return True
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class FakeSession(RequestSessionBase):
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    def __init__(self, repo=None, user=None, vreg=None):
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        self.repo = repo
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        if vreg is None:
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            vreg = getattr(self.repo, 'vreg', None)
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        if vreg is None:
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            vreg = CWRegistryStore(FakeConfig(), initlog=False)
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        self.vreg = vreg
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        self.cnxset = FakeConnectionsSet()
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        self.user = user or FakeUser()
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        self.is_internal_session = False
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        self.transaction_data = {}
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    def execute(self, *args, **kwargs):
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        pass
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    def commit(self, *args):
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        self.transaction_data.clear()
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    def close(self, *args):
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        pass
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    def system_sql(self, sql, args=None):
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        pass
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    def set_entity_cache(self, entity):
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        pass
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    def security_enabled(self, read=False, write=False):
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        class FakeCM(object):
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            def __enter__(self): pass
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            def __exit__(self, exctype, exc, traceback): pass
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        return FakeCM()
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    # for use with enabled_security context manager
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    read_security = write_security = True
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    def init_security(self, *args):
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        return None, None
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    def reset_security(self, *args):
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        return
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class FakeRepo(object):
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    querier = None
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    def __init__(self, schema, vreg=None, config=None):
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        self.extids = {}
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        self.eids = {}
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        self._count = 0
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        self.schema = schema
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        self.config = config or FakeConfig()
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        self.vreg = vreg or CWRegistryStore(self.config, initlog=False)
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        self.vreg.schema = schema
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        self.sources = []
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    def internal_session(self):
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        return FakeSession(self)
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    def extid2eid(self, source, extid, etype, session, insert=True):
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        try:
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            return self.extids[extid]
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        except KeyError:
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            if not insert:
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                return None
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            self._count += 1
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            eid = self._count
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            entity = source.before_entity_insertion(session, extid, etype, eid)
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            self.extids[extid] = eid
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            self.eids[eid] = extid
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            source.after_entity_insertion(session, extid, entity)
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            return eid
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0
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    def eid2extid(self, source, eid, session=None):
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        return self.eids[eid]
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class FakeSource(object):
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    dbhelper = get_db_helper('sqlite')
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    def __init__(self, uri):
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        self.uri = uri
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class FakeConnectionsSet(object):
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    def source(self, uri):
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        return FakeSource(uri)