proper licensing information (LGPL-2.1). Hope I get it right this time.
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# logilab-common is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
from __future__ import with_statement
from cubicweb.devtools.testlib import CubicWebTC
from cubicweb import ValidationError
from cubicweb.server.session import security_enabled
def add_wf(self, etype, name=None, default=False):
if name is None:
name = etype
wf = self.execute('INSERT Workflow X: X name %(n)s', {'n': unicode(name)}).get_entity(0, 0)
self.execute('SET WF workflow_of ET WHERE WF eid %(wf)s, ET name %(et)s',
{'wf': wf.eid, 'et': etype})
if default:
self.execute('SET ET default_workflow WF WHERE WF eid %(wf)s, ET name %(et)s',
{'wf': wf.eid, 'et': etype})
return wf
def parse_hist(wfhist):
return [(ti.previous_state.name, ti.new_state.name,
ti.transition and ti.transition.name, ti.comment)
for ti in wfhist]
class WorkflowBuildingTC(CubicWebTC):
def test_wf_construction(self):
wf = add_wf(self, 'Company')
foo = wf.add_state(u'foo', initial=True)
bar = wf.add_state(u'bar')
self.assertEquals(wf.state_by_name('bar').eid, bar.eid)
self.assertEquals(wf.state_by_name('barrr'), None)
baz = wf.add_transition(u'baz', (foo,), bar, ('managers',))
self.assertEquals(wf.transition_by_name('baz').eid, baz.eid)
self.assertEquals(len(baz.require_group), 1)
self.assertEquals(baz.require_group[0].name, 'managers')
def test_duplicated_state(self):
wf = add_wf(self, 'Company')
wf.add_state(u'foo', initial=True)
self.commit()
wf.add_state(u'foo')
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'name-subject': 'workflow already have a state of that name'})
# no pb if not in the same workflow
wf2 = add_wf(self, 'Company')
foo = wf2.add_state(u'foo', initial=True)
self.commit()
# gnark gnark
bar = wf.add_state(u'bar')
self.commit()
bar.set_attributes(name=u'foo')
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'name-subject': 'workflow already have a state of that name'})
def test_duplicated_transition(self):
wf = add_wf(self, 'Company')
foo = wf.add_state(u'foo', initial=True)
bar = wf.add_state(u'bar')
wf.add_transition(u'baz', (foo,), bar, ('managers',))
wf.add_transition(u'baz', (bar,), foo)
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'name-subject': 'workflow already have a transition of that name'})
# no pb if not in the same workflow
wf2 = add_wf(self, 'Company')
foo = wf.add_state(u'foo', initial=True)
bar = wf.add_state(u'bar')
wf.add_transition(u'baz', (foo,), bar, ('managers',))
self.commit()
# gnark gnark
biz = wf.add_transition(u'biz', (bar,), foo)
self.commit()
biz.set_attributes(name=u'baz')
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'name-subject': 'workflow already have a transition of that name'})
class WorkflowTC(CubicWebTC):
def setup_database(self):
rschema = self.schema['in_state']
for rdef in rschema.rdefs.values():
self.assertEquals(rdef.cardinality, '1*')
self.member = self.create_user('member')
def test_workflow_base(self):
e = self.create_user('toto')
self.assertEquals(e.state, 'activated')
e.change_state('deactivated', u'deactivate 1')
self.commit()
e.change_state('activated', u'activate 1')
self.commit()
e.change_state('deactivated', u'deactivate 2')
self.commit()
e.clear_related_cache('wf_info_for', 'object')
self.assertEquals([tr.comment for tr in e.reverse_wf_info_for],
['deactivate 1', 'activate 1', 'deactivate 2'])
self.assertEquals(e.latest_trinfo().comment, 'deactivate 2')
def test_possible_transitions(self):
user = self.entity('CWUser X')
trs = list(user.possible_transitions())
self.assertEquals(len(trs), 1)
self.assertEquals(trs[0].name, u'deactivate')
self.assertEquals(trs[0].destination(None).name, u'deactivated')
# test a std user get no possible transition
cnx = self.login('member')
# fetch the entity using the new session
trs = list(cnx.user().possible_transitions())
self.assertEquals(len(trs), 0)
def _test_manager_deactivate(self, user):
user.clear_related_cache('in_state', 'subject')
self.assertEquals(len(user.in_state), 1)
self.assertEquals(user.state, 'deactivated')
trinfo = user.latest_trinfo()
self.assertEquals(trinfo.previous_state.name, 'activated')
self.assertEquals(trinfo.new_state.name, 'deactivated')
self.assertEquals(trinfo.comment, 'deactivate user')
self.assertEquals(trinfo.comment_format, 'text/plain')
return trinfo
def test_change_state(self):
user = self.user()
user.change_state('deactivated', comment=u'deactivate user')
trinfo = self._test_manager_deactivate(user)
self.assertEquals(trinfo.transition, None)
def test_set_in_state_bad_wf(self):
wf = add_wf(self, 'CWUser')
s = wf.add_state(u'foo', initial=True)
self.commit()
with security_enabled(self.session, write=False):
ex = self.assertRaises(ValidationError, self.session.execute,
'SET X in_state S WHERE X eid %(x)s, S eid %(s)s',
{'x': self.user().eid, 's': s.eid}, 'x')
self.assertEquals(ex.errors, {'in_state-subject': "state doesn't belong to entity's workflow. "
"You may want to set a custom workflow for this entity first."})
def test_fire_transition(self):
user = self.user()
user.fire_transition('deactivate', comment=u'deactivate user')
user.clear_all_caches()
self.assertEquals(user.state, 'deactivated')
self._test_manager_deactivate(user)
trinfo = self._test_manager_deactivate(user)
self.assertEquals(trinfo.transition.name, 'deactivate')
def test_goback_transition(self):
wf = self.session.user.current_workflow
asleep = wf.add_state('asleep')
wf.add_transition('rest', (wf.state_by_name('activated'), wf.state_by_name('deactivated')),
asleep)
wf.add_transition('wake up', asleep)
user = self.create_user('stduser')
user.fire_transition('rest')
self.commit()
user.fire_transition('wake up')
self.commit()
self.assertEquals(user.state, 'activated')
user.fire_transition('deactivate')
self.commit()
user.fire_transition('rest')
self.commit()
user.fire_transition('wake up')
self.commit()
user.clear_all_caches()
self.assertEquals(user.state, 'deactivated')
# XXX test managers can change state without matching transition
def _test_stduser_deactivate(self):
ueid = self.member.eid
self.create_user('tutu')
cnx = self.login('tutu')
req = self.request()
member = req.entity_from_eid(self.member.eid)
ex = self.assertRaises(ValidationError,
member.fire_transition, 'deactivate')
self.assertEquals(ex.errors, {'by_transition-subject': "transition may not be fired"})
cnx.close()
cnx = self.login('member')
req = self.request()
member = req.entity_from_eid(self.member.eid)
member.fire_transition('deactivate')
cnx.commit()
ex = self.assertRaises(ValidationError,
member.fire_transition, 'activate')
self.assertEquals(ex.errors, {'by_transition-subject': "transition may not be fired"})
def test_fire_transition_owned_by(self):
self.execute('INSERT RQLExpression X: X exprtype "ERQLExpression", '
'X expression "X owned_by U", T condition X '
'WHERE T name "deactivate"')
self._test_stduser_deactivate()
def test_fire_transition_has_update_perm(self):
self.execute('INSERT RQLExpression X: X exprtype "ERQLExpression", '
'X expression "U has_update_permission X", T condition X '
'WHERE T name "deactivate"')
self._test_stduser_deactivate()
def test_swf_base(self):
"""subworkflow
+-----------+ tr1 +-----------+
| swfstate1 | ------>| swfstate2 |
+-----------+ +-----------+
| tr2 +-----------+
`------>| swfstate3 |
+-----------+
main workflow
+--------+ swftr1 +--------+
| state1 | -------[swfstate2]->| state2 |
+--------+ | +--------+
| +--------+
`-[swfstate3]-->| state3 |
+--------+
"""
# sub-workflow
swf = add_wf(self, 'CWGroup', name='subworkflow')
swfstate1 = swf.add_state(u'swfstate1', initial=True)
swfstate2 = swf.add_state(u'swfstate2')
swfstate3 = swf.add_state(u'swfstate3')
tr1 = swf.add_transition(u'tr1', (swfstate1,), swfstate2)
tr2 = swf.add_transition(u'tr2', (swfstate1,), swfstate3)
# main workflow
mwf = add_wf(self, 'CWGroup', name='main workflow', default=True)
state1 = mwf.add_state(u'state1', initial=True)
state2 = mwf.add_state(u'state2')
state3 = mwf.add_state(u'state3')
swftr1 = mwf.add_wftransition(u'swftr1', swf, state1,
[(swfstate2, state2), (swfstate3, state3)])
self.assertEquals(swftr1.destination(None).eid, swfstate1.eid)
# workflows built, begin test
self.group = self.request().create_entity('CWGroup', name=u'grp1')
self.commit()
self.assertEquals(self.group.current_state.eid, state1.eid)
self.assertEquals(self.group.current_workflow.eid, mwf.eid)
self.assertEquals(self.group.main_workflow.eid, mwf.eid)
self.assertEquals(self.group.subworkflow_input_transition(), None)
self.group.fire_transition('swftr1', u'go')
self.commit()
self.group.clear_all_caches()
self.assertEquals(self.group.current_state.eid, swfstate1.eid)
self.assertEquals(self.group.current_workflow.eid, swf.eid)
self.assertEquals(self.group.main_workflow.eid, mwf.eid)
self.assertEquals(self.group.subworkflow_input_transition().eid, swftr1.eid)
self.group.fire_transition('tr1', u'go')
self.commit()
self.group.clear_all_caches()
self.assertEquals(self.group.current_state.eid, state2.eid)
self.assertEquals(self.group.current_workflow.eid, mwf.eid)
self.assertEquals(self.group.main_workflow.eid, mwf.eid)
self.assertEquals(self.group.subworkflow_input_transition(), None)
# force back to swfstate1 is impossible since we can't any more find
# subworkflow input transition
ex = self.assertRaises(ValidationError,
self.group.change_state, swfstate1, u'gadget')
self.assertEquals(ex.errors, {'to_state-subject': "state doesn't belong to entity's workflow"})
self.rollback()
# force back to state1
self.group.change_state('state1', u'gadget')
self.group.fire_transition('swftr1', u'au')
self.group.clear_all_caches()
self.group.fire_transition('tr2', u'chapeau')
self.commit()
self.group.clear_all_caches()
self.assertEquals(self.group.current_state.eid, state3.eid)
self.assertEquals(self.group.current_workflow.eid, mwf.eid)
self.assertEquals(self.group.main_workflow.eid, mwf.eid)
self.assertListEquals(parse_hist(self.group.workflow_history),
[('state1', 'swfstate1', 'swftr1', 'go'),
('swfstate1', 'swfstate2', 'tr1', 'go'),
('swfstate2', 'state2', 'swftr1', 'exiting from subworkflow subworkflow'),
('state2', 'state1', None, 'gadget'),
('state1', 'swfstate1', 'swftr1', 'au'),
('swfstate1', 'swfstate3', 'tr2', 'chapeau'),
('swfstate3', 'state3', 'swftr1', 'exiting from subworkflow subworkflow'),
])
def test_swf_exit_consistency(self):
# sub-workflow
swf = add_wf(self, 'CWGroup', name='subworkflow')
swfstate1 = swf.add_state(u'swfstate1', initial=True)
swfstate2 = swf.add_state(u'swfstate2')
tr1 = swf.add_transition(u'tr1', (swfstate1,), swfstate2)
# main workflow
mwf = add_wf(self, 'CWGroup', name='main workflow', default=True)
state1 = mwf.add_state(u'state1', initial=True)
state2 = mwf.add_state(u'state2')
state3 = mwf.add_state(u'state3')
mwf.add_wftransition(u'swftr1', swf, state1,
[(swfstate2, state2), (swfstate2, state3)])
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'subworkflow_exit-subject': u"can't have multiple exits on the same state"})
def test_swf_fire_in_a_row(self):
# sub-workflow
subwf = add_wf(self, 'CWGroup', name='subworkflow')
xsigning = subwf.add_state('xsigning', initial=True)
xaborted = subwf.add_state('xaborted')
xsigned = subwf.add_state('xsigned')
xabort = subwf.add_transition('xabort', (xsigning,), xaborted)
xsign = subwf.add_transition('xsign', (xsigning,), xsigning)
xcomplete = subwf.add_transition('xcomplete', (xsigning,), xsigned,
type=u'auto')
# main workflow
twf = add_wf(self, 'CWGroup', name='mainwf', default=True)
created = twf.add_state(_('created'), initial=True)
identified = twf.add_state(_('identified'))
released = twf.add_state(_('released'))
closed = twf.add_state(_('closed'))
twf.add_wftransition(_('identify'), subwf, (created,),
[(xsigned, identified), (xaborted, created)])
twf.add_wftransition(_('release'), subwf, (identified,),
[(xsigned, released), (xaborted, identified)])
twf.add_wftransition(_('close'), subwf, (released,),
[(xsigned, closed), (xaborted, released)])
self.commit()
group = self.request().create_entity('CWGroup', name=u'grp1')
self.commit()
for trans in ('identify', 'release', 'close'):
group.fire_transition(trans)
self.commit()
def test_swf_magic_tr(self):
# sub-workflow
subwf = add_wf(self, 'CWGroup', name='subworkflow')
xsigning = subwf.add_state('xsigning', initial=True)
xaborted = subwf.add_state('xaborted')
xsigned = subwf.add_state('xsigned')
xabort = subwf.add_transition('xabort', (xsigning,), xaborted)
xsign = subwf.add_transition('xsign', (xsigning,), xsigned)
# main workflow
twf = add_wf(self, 'CWGroup', name='mainwf', default=True)
created = twf.add_state(_('created'), initial=True)
identified = twf.add_state(_('identified'))
released = twf.add_state(_('released'))
twf.add_wftransition(_('identify'), subwf, created,
[(xaborted, None), (xsigned, identified)])
twf.add_wftransition(_('release'), subwf, identified,
[(xaborted, None)])
self.commit()
group = self.request().create_entity('CWGroup', name=u'grp1')
self.commit()
for trans, nextstate in (('identify', 'xsigning'),
('xabort', 'created'),
('identify', 'xsigning'),
('xsign', 'identified'),
('release', 'xsigning'),
('xabort', 'identified')
):
group.fire_transition(trans)
self.commit()
group.clear_all_caches()
self.assertEquals(group.state, nextstate)
class CustomWorkflowTC(CubicWebTC):
def setup_database(self):
self.member = self.create_user('member')
def test_custom_wf_replace_state_no_history(self):
"""member in inital state with no previous history, state is simply
redirected when changing workflow
"""
wf = add_wf(self, 'CWUser')
wf.add_state('asleep', initial=True)
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': self.member.eid})
self.member.clear_all_caches()
self.assertEquals(self.member.state, 'activated')# no change before commit
self.commit()
self.member.clear_all_caches()
self.assertEquals(self.member.current_workflow.eid, wf.eid)
self.assertEquals(self.member.state, 'asleep')
self.assertEquals(self.member.workflow_history, ())
def test_custom_wf_replace_state_keep_history(self):
"""member in inital state with some history, state is redirected and
state change is recorded to history
"""
self.member.fire_transition('deactivate')
self.member.fire_transition('activate')
wf = add_wf(self, 'CWUser')
wf.add_state('asleep', initial=True)
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': self.member.eid})
self.commit()
self.member.clear_all_caches()
self.assertEquals(self.member.current_workflow.eid, wf.eid)
self.assertEquals(self.member.state, 'asleep')
self.assertEquals(parse_hist(self.member.workflow_history),
[('activated', 'deactivated', 'deactivate', None),
('deactivated', 'activated', 'activate', None),
('activated', 'asleep', None, 'workflow changed to "CWUser"')])
def test_custom_wf_no_initial_state(self):
"""try to set a custom workflow which has no initial state"""
self.member.fire_transition('deactivate')
wf = add_wf(self, 'CWUser')
wf.add_state('asleep')
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': self.member.eid})
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'custom_workflow-subject': u'workflow has no initial state'})
def test_custom_wf_bad_etype(self):
"""try to set a custom workflow which doesn't apply to entity type"""
wf = add_wf(self, 'Company')
wf.add_state('asleep', initial=True)
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': self.member.eid}, 'x')
ex = self.assertRaises(ValidationError, self.commit)
self.assertEquals(ex.errors, {'custom_workflow-subject': 'workflow isn\'t a workflow for this type'})
def test_del_custom_wf(self):
"""member in some state shared by the new workflow, nothing has to be
done
"""
self.member.fire_transition('deactivate')
wf = add_wf(self, 'CWUser')
wf.add_state('asleep', initial=True)
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': self.member.eid})
self.commit()
self.execute('DELETE X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': self.member.eid})
self.member.clear_all_caches()
self.assertEquals(self.member.state, 'asleep')# no change before commit
self.commit()
self.member.clear_all_caches()
self.assertEquals(self.member.current_workflow.name, "default user workflow")
self.assertEquals(self.member.state, 'activated')
self.assertEquals(parse_hist(self.member.workflow_history),
[('activated', 'deactivated', 'deactivate', None),
('deactivated', 'asleep', None, 'workflow changed to "CWUser"'),
('asleep', 'activated', None, 'workflow changed to "default user workflow"'),])
class AutoTransitionTC(CubicWebTC):
def setup_custom_wf(self):
wf = add_wf(self, 'CWUser')
asleep = wf.add_state('asleep', initial=True)
dead = wf.add_state('dead')
wf.add_transition('rest', asleep, asleep)
wf.add_transition('sick', asleep, dead, type=u'auto',
conditions=({'expr': u'X surname "toto"',
'mainvars': u'X'},))
return wf
def test_auto_transition_fired(self):
wf = self.setup_custom_wf()
user = self.create_user('member')
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': user.eid})
self.commit()
user.clear_all_caches()
self.assertEquals(user.state, 'asleep')
self.assertEquals([t.name for t in user.possible_transitions()],
['rest'])
user.fire_transition('rest')
self.commit()
user.clear_all_caches()
self.assertEquals(user.state, 'asleep')
self.assertEquals([t.name for t in user.possible_transitions()],
['rest'])
self.assertEquals(parse_hist(user.workflow_history),
[('asleep', 'asleep', 'rest', None)])
user.set_attributes(surname=u'toto') # fulfill condition
self.commit()
user.fire_transition('rest')
self.commit()
user.clear_all_caches()
self.assertEquals(user.state, 'dead')
self.assertEquals(parse_hist(user.workflow_history),
[('asleep', 'asleep', 'rest', None),
('asleep', 'asleep', 'rest', None),
('asleep', 'dead', 'sick', None),])
def test_auto_transition_custom_initial_state_fired(self):
wf = self.setup_custom_wf()
user = self.create_user('member', surname=u'toto')
self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
{'wf': wf.eid, 'x': user.eid})
self.commit()
self.assertEquals(user.state, 'dead')
def test_auto_transition_initial_state_fired(self):
wf = self.execute('Any WF WHERE ET default_workflow WF, '
'ET name %(et)s', {'et': 'CWUser'}).get_entity(0, 0)
dead = wf.add_state('dead')
wf.add_transition('sick', wf.state_by_name('activated'), dead,
type=u'auto', conditions=({'expr': u'X surname "toto"',
'mainvars': u'X'},))
self.commit()
user = self.create_user('member', surname=u'toto')
self.commit()
self.assertEquals(user.state, 'dead')
class WorkflowHooksTC(CubicWebTC):
def setUp(self):
CubicWebTC.setUp(self)
self.wf = self.session.user.current_workflow
self.session.set_pool()
self.s_activated = self.wf.state_by_name('activated').eid
self.s_deactivated = self.wf.state_by_name('deactivated').eid
self.s_dummy = self.wf.add_state(u'dummy').eid
self.wf.add_transition(u'dummy', (self.s_deactivated,), self.s_dummy)
ueid = self.create_user('stduser', commit=False).eid
# test initial state is set
rset = self.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
{'x' : ueid})
self.failIf(rset, rset.rows)
self.commit()
initialstate = self.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
{'x' : ueid})[0][0]
self.assertEquals(initialstate, u'activated')
# give access to users group on the user's wf transitions
# so we can test wf enforcing on euser (managers don't have anymore this
# enforcement
self.execute('SET X require_group G '
'WHERE G name "users", X transition_of WF, WF eid %(wf)s',
{'wf': self.wf.eid})
self.commit()
# XXX currently, we've to rely on hooks to set initial state, or to use execute
# def test_initial_state(self):
# cnx = self.login('stduser')
# cu = cnx.cursor()
# self.assertRaises(ValidationError, cu.execute,
# 'INSERT CWUser X: X login "badaboum", X upassword %(pwd)s, '
# 'X in_state S WHERE S name "deactivated"', {'pwd': 'oops'})
# cnx.close()
# # though managers can do whatever he want
# self.execute('INSERT CWUser X: X login "badaboum", X upassword %(pwd)s, '
# 'X in_state S, X in_group G WHERE S name "deactivated", G name "users"', {'pwd': 'oops'})
# self.commit()
# test that the workflow is correctly enforced
def _cleanup_msg(self, msg):
"""remove the variable part of one specific error message"""
lmsg = msg.split()
lmsg.pop(1)
lmsg.pop()
return ' '.join(lmsg)
def test_transition_checking1(self):
cnx = self.login('stduser')
user = cnx.user(self.session)
ex = self.assertRaises(ValidationError,
user.fire_transition, 'activate')
self.assertEquals(self._cleanup_msg(ex.errors['by_transition-subject']),
u"transition isn't allowed from")
cnx.close()
def test_transition_checking2(self):
cnx = self.login('stduser')
user = cnx.user(self.session)
ex = self.assertRaises(ValidationError,
user.fire_transition, 'dummy')
self.assertEquals(self._cleanup_msg(ex.errors['by_transition-subject']),
u"transition isn't allowed from")
cnx.close()
def test_transition_checking3(self):
cnx = self.login('stduser')
session = self.session
user = cnx.user(session)
user.fire_transition('deactivate')
cnx.commit()
session.set_pool()
ex = self.assertRaises(ValidationError,
user.fire_transition, 'deactivate')
self.assertEquals(self._cleanup_msg(ex.errors['by_transition-subject']),
u"transition isn't allowed from")
# get back now
user.fire_transition('activate')
cnx.commit()
cnx.close()
if __name__ == '__main__':
from logilab.common.testlib import unittest_main
unittest_main()