devtools/__init__.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 13 Sep 2010 14:48:29 +0200
branchstable
changeset 6224 1f4beef3962d
parent 6164 ceb6951f9d2f
child 6281 a013a68fe8ec
permissions -rw-r--r--
Added tag cubicweb-debian-version-3.9.6-1 for changeset 7d2cab567735
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# copyright 2003-2010 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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"""Test tools for cubicweb
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"""
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__docformat__ = "restructuredtext en"
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import os
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import sys
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import logging
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from datetime import timedelta
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from os.path import (abspath, join, exists, basename, dirname, normpath, split,
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                     isfile, isabs)
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from logilab.common.date import strptime
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from cubicweb import CW_SOFTWARE_ROOT, ConfigurationError, schema, cwconfig
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from cubicweb.server.serverconfig import ServerConfiguration
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from cubicweb.etwist.twconfig import TwistedConfiguration
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cwconfig.CubicWebConfiguration.cls_adjust_sys_path()
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# db auto-population configuration #############################################
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SYSTEM_ENTITIES = schema.SCHEMA_TYPES | set((
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    'CWGroup', 'CWUser', 'CWProperty',
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    'Workflow', 'State', 'BaseTransition', 'Transition', 'WorkflowTransition',
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    'TrInfo', 'SubWorkflowExitPoint',
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    ))
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SYSTEM_RELATIONS = schema.META_RTYPES | set((
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    # workflow related
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    'workflow_of', 'state_of', 'transition_of', 'initial_state', 'default_workflow',
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    'allowed_transition', 'destination_state', 'from_state', 'to_state',
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    'condition', 'subworkflow', 'subworkflow_state', 'subworkflow_exit',
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    'custom_workflow', 'in_state', 'wf_info_for',
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    # cwproperty
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    'for_user',
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    # schema definition
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    'specializes',
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    'relation_type', 'from_entity', 'to_entity',
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    'constrained_by', 'cstrtype', 'widget',
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    'read_permission', 'update_permission', 'delete_permission', 'add_permission',
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    # permission
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    'in_group', 'require_group', 'require_permission',
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    # deducted from other relations
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    'primary_email',
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    ))
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# content validation configuration #############################################
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# validators are used to validate (XML, DTD, whatever) view's content
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# validators availables are :
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#  'dtd' : validates XML + declared DTD
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#  'xml' : guarantees XML is well formed
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#  None : do not try to validate anything
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# {'vid': validator}
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VIEW_VALIDATORS = {}
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# cubicweb test configuration ##################################################
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BASE_URL = 'http://testing.fr/cubicweb/'
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DEFAULT_SOURCES = {'system': {'adapter' : 'native',
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                              'db-encoding' : 'UTF-8', #'ISO-8859-1',
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                              'db-user' : u'admin',
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                              'db-password' : 'gingkow',
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                              'db-name' : 'tmpdb',
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                              'db-driver' : 'sqlite',
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                              'db-host' : None,
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                              },
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                   'admin' : {'login': u'admin',
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                              'password': u'gingkow',
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                              },
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                   }
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class TestServerConfiguration(ServerConfiguration):
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    mode = 'test'
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    set_language = False
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    read_instance_schema = False
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    init_repository = True
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    db_require_setup = True
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    options = cwconfig.merge_options(ServerConfiguration.options + (
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        ('anonymous-user',
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         {'type' : 'string',
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          'default': None,
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          'help': 'login of the CubicWeb user account to use for anonymous user (if you want to allow anonymous)',
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          'group': 'main', 'level': 1,
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          }),
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        ('anonymous-password',
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         {'type' : 'string',
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          'default': None,
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          'help': 'password of the CubicWeb user account matching login',
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          'group': 'main', 'level': 1,
0
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          }),
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        ))
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0
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    def __init__(self, appid, log_threshold=logging.CRITICAL+10):
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        ServerConfiguration.__init__(self, appid)
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        self.init_log(log_threshold, force=True)
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        # need this, usually triggered by cubicweb-ctl
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        self.load_cwctl_plugins()
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    anonymous_user = TwistedConfiguration.anonymous_user.im_func
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0
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    @property
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    def apphome(self):
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        if exists(self.appid):
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            return abspath(self.appid)
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        # cube test
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        return abspath('..')
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    appdatahome = apphome
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    def load_configuration(self):
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        super(TestServerConfiguration, self).load_configuration()
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        self.global_set_option('anonymous-user', 'anon')
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        self.global_set_option('anonymous-password', 'anon')
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        # no undo support in tests
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        self.global_set_option('undo-support', '')
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0
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    def main_config_file(self):
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        """return instance's control configuration file"""
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        return join(self.apphome, '%s.conf' % self.name)
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    def instance_md5_version(self):
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        return ''
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    def bootstrap_cubes(self):
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        try:
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            super(TestServerConfiguration, self).bootstrap_cubes()
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        except IOError:
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            # no cubes
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            self.init_cubes( () )
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    sourcefile = None
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    def sources_file(self):
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        """define in subclasses self.sourcefile if necessary"""
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        if self.sourcefile:
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            print 'Reading sources from', self.sourcefile
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            sourcefile = self.sourcefile
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            if not isabs(sourcefile):
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                sourcefile = join(self.apphome, sourcefile)
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        else:
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            sourcefile = super(TestServerConfiguration, self).sources_file()
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        return sourcefile
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    def sources(self):
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        """By default, we run tests with the sqlite DB backend.  One may use its
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        own configuration by just creating a 'sources' file in the test
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        directory from wich tests are launched or by specifying an alternative
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        sources file using self.sourcefile.
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        """
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        sources = super(TestServerConfiguration, self).sources()
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        if not sources:
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            sources = DEFAULT_SOURCES
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        return sources
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0
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class BaseApptestConfiguration(TestServerConfiguration, TwistedConfiguration):
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    repo_method = 'inmemory'
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    options = cwconfig.merge_options(TestServerConfiguration.options
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                                     + TwistedConfiguration.options)
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    cubicweb_appobject_path = TestServerConfiguration.cubicweb_appobject_path | TwistedConfiguration.cubicweb_appobject_path
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    cube_appobject_path = TestServerConfiguration.cube_appobject_path | TwistedConfiguration.cube_appobject_path
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    def available_languages(self, *args):
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        return ('en', 'fr', 'de')
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0
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    def pyro_enabled(self):
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        # but export PYRO_MULTITHREAD=0 or you get problems with sqlite and
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        # threads
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        return True
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class ApptestConfiguration(BaseApptestConfiguration):
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0
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    def __init__(self, appid, log_threshold=logging.CRITICAL, sourcefile=None):
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        BaseApptestConfiguration.__init__(self, appid, log_threshold=log_threshold)
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        self.init_repository = sourcefile is None
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        self.sourcefile = sourcefile
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class RealDatabaseConfiguration(ApptestConfiguration):
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    """configuration class for tests to run on a real database.
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    The intialization is done by specifying a source file path.
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    Important note: init_test_database / reset_test_database steps are
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    skipped. It's thus up to the test developer to implement setUp/tearDown
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    accordingly.
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    Example usage::
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      class MyTests(CubicWebTC):
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          _config = RealDatabseConfiguration('myapp',
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                                             sourcefile='/path/to/sources')
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          def test_something(self):
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              rset = self.execute('Any X WHERE X is CWUser')
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              self.view('foaf', rset)
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    """
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    db_require_setup = False    # skip init_db / reset_db steps
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    read_instance_schema = True # read schema from database
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# test database handling #######################################################
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def init_test_database(config=None, configdir='data'):
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    """init a test database for a specific driver"""
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    from cubicweb.dbapi import in_memory_cnx
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    config = config or TestServerConfiguration(configdir)
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    sources = config.sources()
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    driver = sources['system']['db-driver']
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    if config.db_require_setup:
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        if driver == 'sqlite':
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            init_test_database_sqlite(config)
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        elif driver == 'postgres':
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            init_test_database_postgres(config)
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        else:
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            raise ValueError('no initialization function for driver %r' % driver)
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    config._cubes = None # avoid assertion error
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    repo, cnx = in_memory_cnx(config, unicode(sources['admin']['login']),
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                              password=sources['admin']['password'] or 'xxx')
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    if driver == 'sqlite':
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        install_sqlite_patch(repo.querier)
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    return repo, cnx
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def reset_test_database(config):
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    """init a test database for a specific driver"""
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    if not config.db_require_setup:
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        return
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    driver = config.sources()['system']['db-driver']
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    if driver == 'sqlite':
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        reset_test_database_sqlite(config)
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    elif driver == 'postgres':
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        init_test_database_postgres(config)
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    else:
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        raise ValueError('no reset function for driver %r' % driver)
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### postgres test database handling ############################################
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def init_test_database_postgres(config):
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    """initialize a fresh postgresql databse used for testing purpose"""
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    from logilab.database import get_db_helper
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    from cubicweb.server import init_repository
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    from cubicweb.server.serverctl import (createdb, system_source_cnx,
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                                           _db_sys_cnx)
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    source = config.sources()['system']
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    dbname = source['db-name']
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    templdbname = dbname + '_template'
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    helper = get_db_helper('postgres')
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    # connect on the dbms system base to create our base
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    dbcnx = _db_sys_cnx(source, 'CREATE DATABASE and / or USER', verbose=0)
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    cursor = dbcnx.cursor()
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    try:
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        if dbname in helper.list_databases(cursor):
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            cursor.execute('DROP DATABASE %s' % dbname)
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        if not templdbname in helper.list_databases(cursor):
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            source['db-name'] = templdbname
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            createdb(helper, source, dbcnx, cursor)
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            dbcnx.commit()
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            cnx = system_source_cnx(source, special_privs='LANGUAGE C', verbose=0)
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            templcursor = cnx.cursor()
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            # XXX factorize with db-create code
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            helper.init_fti_extensions(templcursor)
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            # install plpythonu/plpgsql language if not installed by the cube
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            langs = sys.platform == 'win32' and ('plpgsql',) or ('plpythonu', 'plpgsql')
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            for extlang in langs:
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                helper.create_language(templcursor, extlang)
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            cnx.commit()
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            templcursor.close()
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            cnx.close()
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            init_repository(config, interactive=False)
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            source['db-name'] = dbname
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    except:
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        dbcnx.rollback()
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        # XXX drop template
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        raise
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    createdb(helper, source, dbcnx, cursor, template=templdbname)
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    dbcnx.commit()
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    dbcnx.close()
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### sqlserver2005 test database handling #######################################
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def init_test_database_sqlserver2005(config):
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    """initialize a fresh sqlserver databse used for testing purpose"""
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    if config.init_repository:
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        from cubicweb.server import init_repository
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        init_repository(config, interactive=False, drop=True)
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### sqlite test database handling ##############################################
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def cleanup_sqlite(dbfile, removetemplate=False):
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    try:
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        os.remove(dbfile)
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        os.remove('%s-journal' % dbfile)
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    except OSError:
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        pass
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    if removetemplate:
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        try:
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            os.remove('%s-template' % dbfile)
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        except OSError:
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            pass
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def reset_test_database_sqlite(config):
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    import shutil
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    dbfile = config.sources()['system']['db-name']
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    cleanup_sqlite(dbfile)
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    template = '%s-template' % dbfile
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   327
    if exists(template):
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   328
        shutil.copy(template, dbfile)
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   329
        return True
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   330
    return False
0
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   331
2773
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   332
def init_test_database_sqlite(config):
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   333
    """initialize a fresh sqlite databse used for testing purpose"""
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   334
    # remove database file if it exists
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   335
    if not reset_test_database_sqlite(config):
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diff changeset
   336
        # initialize the database
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   337
        import shutil
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   338
        from cubicweb.server import init_repository
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   339
        init_repository(config, interactive=False)
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   340
        dbfile = config.sources()['system']['db-name']
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   341
        shutil.copy(dbfile, '%s-template' % dbfile)
0
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diff changeset
   342
1802
d628defebc17 delete-trailing-whitespace + some copyright update
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diff changeset
   343
2732
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   344
def install_sqlite_patch(querier):
0
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   345
    """This patch hotfixes the following sqlite bug :
298
3e6d32667140 [doc] Fix docstring indentation.
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diff changeset
   346
       - http://www.sqlite.org/cvstrac/tktview?tn=1327,33
3e6d32667140 [doc] Fix docstring indentation.
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   347
       (some dates are returned as strings rather thant date objects)
0
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   348
    """
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   349
    if hasattr(querier.__class__, '_devtools_sqlite_patched'):
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   350
        return # already monkey patched
0
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   351
    def wrap_execute(base_execute):
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   352
        def new_execute(*args, **kwargs):
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            rset = base_execute(*args, **kwargs)
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   354
            if rset.description:
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   355
                found_date = False
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   356
                for row, rowdesc in zip(rset, rset.description):
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   357
                    for cellindex, (value, vtype) in enumerate(zip(row, rowdesc)):
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   358
                        if vtype in ('Date', 'Datetime') and type(value) is unicode:
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   359
                            found_date = True
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diff changeset
   360
                            value = value.rsplit('.', 1)[0]
0
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   361
                            try:
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   362
                                row[cellindex] = strptime(value, '%Y-%m-%d %H:%M:%S')
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diff changeset
   363
                            except:
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   364
                                row[cellindex] = strptime(value, '%Y-%m-%d')
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diff changeset
   365
                        if vtype == 'Time' and type(value) is unicode:
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   366
                            found_date = True
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   367
                            try:
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   368
                                row[cellindex] = strptime(value, '%H:%M:%S')
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   369
                            except:
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   370
                                # DateTime used as Time?
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   371
                                row[cellindex] = strptime(value, '%Y-%m-%d %H:%M:%S')
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   372
                        if vtype == 'Interval' and type(value) is int:
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diff changeset
   373
                            found_date = True
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diff changeset
   374
                            row[cellindex] = timedelta(0, value, 0) # XXX value is in number of seconds?
0
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diff changeset
   375
                    if not found_date:
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diff changeset
   376
                        break
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diff changeset
   377
            return rset
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diff changeset
   378
        return new_execute
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diff changeset
   379
    querier.__class__.execute = wrap_execute(querier.__class__.execute)
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parents: 298
diff changeset
   380
    querier.__class__._devtools_sqlite_patched = True