"""This module provides misc utilities to test applications
:organization: Logilab
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
"""
__docformat__ = "restructuredtext en"
from copy import deepcopy
import simplejson
from logilab.common.testlib import TestCase
from logilab.common.pytest import nocoverage
from logilab.common.umessage import message_from_string
from logilab.common.deprecation import deprecated_function
from cubicweb.devtools import init_test_database, TestServerConfiguration, ApptestConfiguration
from cubicweb.devtools._apptest import TestEnvironment
from cubicweb.devtools.fake import FakeRequest
from cubicweb.dbapi import repo_connect, ConnectionProperties, ProgrammingError
MAILBOX = []
class Email:
def __init__(self, recipients, msg):
self.recipients = recipients
self.msg = msg
@property
def message(self):
return message_from_string(self.msg)
def __repr__(self):
return '<Email to %s with subject %s>' % (','.join(self.recipients),
self.message.get('Subject'))
class MockSMTP:
def __init__(self, server, port):
pass
def close(self):
pass
def sendmail(self, helo_addr, recipients, msg):
MAILBOX.append(Email(recipients, msg))
from cubicweb.server import hookhelper
hookhelper.SMTP = MockSMTP
def get_versions(self, checkversions=False):
"""return the a dictionary containing cubes used by this application
as key with their version as value, including cubicweb version. This is a
public method, not requiring a session id.
replace Repository.get_versions by this method if you don't want versions
checking
"""
vcconf = {'cubicweb': self.config.cubicweb_version()}
self.config.bootstrap_cubes()
for pk in self.config.cubes():
version = self.config.cube_version(pk)
vcconf[pk] = version
self.config._cubes = None
return vcconf
@property
def late_binding_env(self):
"""builds TestEnvironment as late as possible"""
if not hasattr(self, '_env'):
self.__class__._env = TestEnvironment('data', configcls=self.configcls,
requestcls=self.requestcls)
return self._env
class autoenv(type):
"""automatically set environment on EnvBasedTC subclasses if necessary
"""
def __new__(mcs, name, bases, classdict):
env = classdict.get('env')
# try to find env in one of the base classes
if env is None:
for base in bases:
env = getattr(base, 'env', None)
if env is not None:
classdict['env'] = env
break
if not classdict.get('__abstract__') and not classdict.get('env'):
classdict['env'] = late_binding_env
return super(autoenv, mcs).__new__(mcs, name, bases, classdict)
class EnvBasedTC(TestCase):
"""abstract class for test using an apptest environment
"""
__metaclass__ = autoenv
__abstract__ = True
env = None
configcls = ApptestConfiguration
requestcls = FakeRequest
# user / session management ###############################################
def user(self, req=None):
if req is None:
req = self.env.create_request()
return self.env.cnx.user(req)
else:
return req.user
def create_user(self, *args, **kwargs):
return self.env.create_user(*args, **kwargs)
def login(self, login, password=None):
return self.env.login(login, password)
def restore_connection(self):
self.env.restore_connection()
# db api ##################################################################
@nocoverage
def cursor(self, req=None):
return self.env.cnx.cursor(req or self.request())
@nocoverage
def execute(self, *args, **kwargs):
return self.env.execute(*args, **kwargs)
@nocoverage
def commit(self):
self.env.cnx.commit()
@nocoverage
def rollback(self):
try:
self.env.cnx.rollback()
except ProgrammingError:
pass
# other utilities #########################################################
def set_debug(self, debugmode):
from cubicweb.server import set_debug
set_debug(debugmode)
@property
def config(self):
return self.vreg.config
def session(self):
"""return current server side session (using default manager account)"""
return self.env.repo._sessions[self.env.cnx.sessionid]
def request(self, *args, **kwargs):
"""return a web interface request"""
return self.env.create_request(*args, **kwargs)
@nocoverage
def rset_and_req(self, *args, **kwargs):
return self.env.get_rset_and_req(*args, **kwargs)
def entity(self, rql, args=None, eidkey=None, req=None):
return self.execute(rql, args, eidkey, req=req).get_entity(0, 0)
def etype_instance(self, etype, req=None):
req = req or self.request()
e = self.env.vreg.etype_class(etype)(req, None, None)
e.eid = None
return e
def add_entity(self, etype, **kwargs):
rql = ['INSERT %s X' % etype]
# dict for replacement in RQL Request
rql_args = {}
if kwargs: #
rql.append(':')
# dict to define new entities variables
entities = {}
# assignement part of the request
sub_rql = []
for key, value in kwargs.iteritems():
# entities
if hasattr(value, 'eid'):
new_value = "%s__" % key.upper()
entities[new_value] = value.eid
rql_args[new_value] = value.eid
sub_rql.append("X %s %s" % (key, new_value))
# final attributes
else:
sub_rql.append('X %s %%(%s)s' % (key, key))
rql_args[key] = value
rql.append(', '.join(sub_rql))
if entities:
rql.append('WHERE')
# WHERE part of the request (to link entity to they eid)
sub_rql = []
for key, value in entities.iteritems():
sub_rql.append("%s eid %%(%s)s" % (key, key))
rql.append(', '.join(sub_rql))
rql = ' '.join(rql)
rset = self.execute(rql, rql_args)
return rset.get_entity(0, 0)
def set_option(self, optname, value):
self.vreg.config.global_set_option(optname, value)
def pviews(self, req, rset):
return sorted((a.id, a.__class__) for a in self.vreg.possible_views(req, rset))
def pactions(self, req, rset, skipcategories=('addrelated', 'siteactions', 'useractions')):
return [(a.id, a.__class__) for a in self.vreg.possible_vobjects('actions', req, rset)
if a.category not in skipcategories]
def pactions_by_cats(self, req, rset, categories=('addrelated',)):
return [(a.id, a.__class__) for a in self.vreg.possible_vobjects('actions', req, rset)
if a.category in categories]
paddrelactions = deprecated_function(pactions_by_cats)
def pactionsdict(self, req, rset, skipcategories=('addrelated', 'siteactions', 'useractions')):
res = {}
for a in self.vreg.possible_vobjects('actions', req, rset):
if a.category not in skipcategories:
res.setdefault(a.category, []).append(a.__class__)
return res
def remote_call(self, fname, *args):
"""remote call simulation"""
dump = simplejson.dumps
args = [dump(arg) for arg in args]
req = self.request(fname=fname, pageid='123', arg=args)
ctrl = self.env.app.select_controller('json', req)
return ctrl.publish(), req
# default test setup and teardown #########################################
def setup_database(self):
pass
def setUp(self):
self.restore_connection()
session = self.session()
#self.maxeid = self.execute('Any MAX(X)')
session.set_pool()
self.maxeid = session.system_sql('SELECT MAX(eid) FROM entities').fetchone()[0]
self.app = self.env.app
self.vreg = self.env.app.vreg
self.schema = self.vreg.schema
self.vreg.config.mode = 'test'
# set default-dest-addrs to a dumb email address to avoid mailbox or
# mail queue pollution
self.set_option('default-dest-addrs', ['whatever'])
self.setup_database()
self.commit()
MAILBOX[:] = [] # reset mailbox
@nocoverage
def tearDown(self):
self.rollback()
# self.env.restore_database()
self.env.restore_connection()
self.session().unsafe_execute('DELETE Any X WHERE X eid > %s' % self.maxeid)
self.commit()
# XXX
try:
from cubicweb.web import Redirect
from urllib import unquote
except ImportError:
pass # cubicweb-web not installed
else:
class ControllerTC(EnvBasedTC):
def setUp(self):
super(ControllerTC, self).setUp()
self.req = self.request()
self.ctrl = self.env.app.select_controller('edit', self.req)
def publish(self, req):
assert req is self.ctrl.req
try:
result = self.ctrl.publish()
req.cnx.commit()
except Redirect:
req.cnx.commit()
raise
return result
def expect_redirect_publish(self, req=None):
if req is not None:
self.ctrl = self.env.app.select_controller('edit', req)
else:
req = self.req
try:
res = self.publish(req)
except Redirect, ex:
try:
path, params = ex.location.split('?', 1)
except:
path, params = ex.location, ""
req._url = path
cleanup = lambda p: (p[0], unquote(p[1]))
params = dict(cleanup(p.split('=', 1)) for p in params.split('&') if p)
return req.relative_path(False), params # path.rsplit('/', 1)[-1], params
else:
self.fail('expected a Redirect exception')
def make_late_binding_repo_property(attrname):
@property
def late_binding(self):
"""builds cnx as late as possible"""
if not hasattr(self, attrname):
# sets explicit test mode here to avoid autoreload
from cubicweb.cwconfig import CubicWebConfiguration
CubicWebConfiguration.mode = 'test'
cls = self.__class__
config = self.repo_config or TestServerConfiguration('data')
cls._repo, cls._cnx = init_test_database('sqlite', config=config)
return getattr(self, attrname)
return late_binding
class autorepo(type):
"""automatically set repository on RepositoryBasedTC subclasses if necessary
"""
def __new__(mcs, name, bases, classdict):
repo = classdict.get('repo')
# try to find repo in one of the base classes
if repo is None:
for base in bases:
repo = getattr(base, 'repo', None)
if repo is not None:
classdict['repo'] = repo
break
if name != 'RepositoryBasedTC' and not classdict.get('repo'):
classdict['repo'] = make_late_binding_repo_property('_repo')
classdict['cnx'] = make_late_binding_repo_property('_cnx')
return super(autorepo, mcs).__new__(mcs, name, bases, classdict)
class RepositoryBasedTC(TestCase):
"""abstract class for test using direct repository connections
"""
__metaclass__ = autorepo
repo_config = None # set a particular config instance if necessary
# user / session management ###############################################
def create_user(self, user, groups=('users',), password=None, commit=True):
if password is None:
password = user
eid = self.execute('INSERT CWUser X: X login %(x)s, X upassword %(p)s,'
'X in_state S WHERE S name "activated"',
{'x': unicode(user), 'p': password})[0][0]
groups = ','.join(repr(group) for group in groups)
self.execute('SET X in_group Y WHERE X eid %%(x)s, Y name IN (%s)' % groups,
{'x': eid})
if commit:
self.commit()
self.session.reset_pool()
return eid
def login(self, login, password=None):
cnx = repo_connect(self.repo, unicode(login), password or login,
ConnectionProperties('inmemory'))
self.cnxs.append(cnx)
return cnx
def current_session(self):
return self.repo._sessions[self.cnxs[-1].sessionid]
def restore_connection(self):
assert len(self.cnxs) == 1, self.cnxs
cnx = self.cnxs.pop()
try:
cnx.close()
except Exception, ex:
print "exception occured while closing connection", ex
# db api ##################################################################
def execute(self, rql, args=None, eid_key=None):
assert self.session.id == self.cnxid
rset = self.__execute(self.cnxid, rql, args, eid_key)
rset.vreg = self.vreg
rset.req = self.session
# call to set_pool is necessary to avoid pb when using
# application entities for convenience
self.session.set_pool()
return rset
def commit(self):
self.__commit(self.cnxid)
self.session.set_pool()
def rollback(self):
self.__rollback(self.cnxid)
self.session.set_pool()
def close(self):
self.__close(self.cnxid)
# other utilities #########################################################
def set_debug(self, debugmode):
from cubicweb.server import set_debug
set_debug(debugmode)
def set_option(self, optname, value):
self.vreg.config.global_set_option(optname, value)
def add_entity(self, etype, **kwargs):
restrictions = ', '.join('X %s %%(%s)s' % (key, key) for key in kwargs)
rql = 'INSERT %s X' % etype
if kwargs:
rql += ': %s' % ', '.join('X %s %%(%s)s' % (key, key) for key in kwargs)
rset = self.execute(rql, kwargs)
return rset.get_entity(0, 0)
def default_user_password(self):
config = self.repo.config #TestConfiguration('data')
user = unicode(config.sources()['system']['db-user'])
passwd = config.sources()['system']['db-password']
return user, passwd
def close_connections(self):
for cnx in self.cnxs:
try:
cnx.rollback()
cnx.close()
except:
continue
self.cnxs = []
pactions = EnvBasedTC.pactions.im_func
pactionsdict = EnvBasedTC.pactionsdict.im_func
# default test setup and teardown #########################################
copy_schema = False
def _prepare(self):
MAILBOX[:] = [] # reset mailbox
if hasattr(self, 'cnxid'):
return
repo = self.repo
self.__execute = repo.execute
self.__commit = repo.commit
self.__rollback = repo.rollback
self.__close = repo.close
self.cnxid = self.cnx.sessionid
self.session = repo._sessions[self.cnxid]
# XXX copy schema since hooks may alter it and it may be not fully
# cleaned (missing some schema synchronization support)
try:
origschema = repo.__schema
except AttributeError:
origschema = repo.schema
repo.__schema = origschema
if self.copy_schema:
repo.schema = deepcopy(origschema)
repo.set_schema(repo.schema) # reset hooks
repo.vreg.update_schema(repo.schema)
self.cnxs = []
# reset caches, they may introduce bugs among tests
repo._type_source_cache = {}
repo._extid_cache = {}
repo.querier._rql_cache = {}
for source in repo.sources:
source.reset_caches()
for s in repo.sources:
if hasattr(s, '_cache'):
s._cache = {}
@property
def config(self):
return self.repo.config
@property
def vreg(self):
return self.repo.vreg
@property
def schema(self):
return self.repo.schema
def setUp(self):
self._prepare()
self.session.set_pool()
self.maxeid = self.session.system_sql('SELECT MAX(eid) FROM entities').fetchone()[0]
def tearDown(self):
self.close_connections()
self.rollback()
self.session.unsafe_execute('DELETE Any X WHERE X eid > %(x)s', {'x': self.maxeid})
self.commit()