entities/test/unittest_wfobjs.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 21 Aug 2009 08:45:55 +0200
branch3.5
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parent 2939 a613cc003ab7
child 2954 48507919b6e3
permissions -rw-r--r--
test and implements workflow changes
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from cubicweb.devtools.apptest import EnvBasedTC
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from cubicweb import ValidationError
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def add_wf(self, etype, name=None):
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    if name is None:
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        name = unicode(etype)
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    wf = self.execute('INSERT Workflow X: X name %(n)s', {'n': name}).get_entity(0, 0)
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    self.execute('SET WF workflow_of ET WHERE WF eid %(wf)s, ET name %(et)s',
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                 {'wf': wf.eid, 'et': etype})
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    return wf
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def parse_hist(wfhist):
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    return [(ti.previous_state.name, ti.new_state.name,
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             ti.transition and ti.transition.name, ti.comment)
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            for ti in wfhist]
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class WorkflowBuildingTC(EnvBasedTC):
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    def test_wf_construction(self):
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        wf = add_wf(self, 'Company')
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        foo = wf.add_state(u'foo', initial=True)
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        bar = wf.add_state(u'bar')
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        self.assertEquals(wf.state_by_name('bar').eid, bar.eid)
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        self.assertEquals(wf.state_by_name('barrr'), None)
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        baz = wf.add_transition(u'baz', (foo,), bar, ('managers',))
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        self.assertEquals(wf.transition_by_name('baz').eid, baz.eid)
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        self.assertEquals(len(baz.require_group), 1)
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        self.assertEquals(baz.require_group[0].name, 'managers')
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    def test_duplicated_state(self):
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        wf = add_wf(self, 'Company')
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        wf.add_state(u'foo', initial=True)
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        wf.add_state(u'foo')
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        ex = self.assertRaises(ValidationError, self.commit)
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        # XXX enhance message
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        self.assertEquals(ex.errors, {'state_of': 'unique constraint S name N, Y state_of O, Y name N failed'})
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    def test_duplicated_transition(self):
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        wf = add_wf(self, 'Company')
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        foo = wf.add_state(u'foo', initial=True)
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        bar = wf.add_state(u'bar')
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        wf.add_transition(u'baz', (foo,), bar, ('managers',))
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        wf.add_transition(u'baz', (bar,), foo)
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        ex = self.assertRaises(ValidationError, self.commit)
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        # XXX enhance message
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        self.assertEquals(ex.errors, {'transition_of': 'unique constraint S name N, Y transition_of O, Y name N failed'})
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class WorkflowTC(EnvBasedTC):
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    def setup_database(self):
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        rschema = self.schema['in_state']
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        for x, y in rschema.iter_rdefs():
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            self.assertEquals(rschema.rproperty(x, y, 'cardinality'), '1*')
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        self.member = self.create_user('member')
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    def test_workflow_base(self):
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        e = self.create_user('toto')
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        self.assertEquals(e.state, 'activated')
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        e.change_state('deactivated', u'deactivate 1')
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        self.commit()
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        e.change_state('activated', u'activate 1')
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        self.commit()
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        e.change_state('deactivated', u'deactivate 2')
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        self.commit()
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        e.clear_related_cache('wf_info_for', 'object')
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        self.assertEquals([tr.comment for tr in e.reverse_wf_info_for],
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                          ['deactivate 1', 'activate 1', 'deactivate 2'])
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        self.assertEquals(e.latest_trinfo().comment, 'deactivate 2')
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    def test_possible_transitions(self):
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        user = self.entity('CWUser X')
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        trs = list(user.possible_transitions())
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        self.assertEquals(len(trs), 1)
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        self.assertEquals(trs[0].name, u'deactivate')
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        self.assertEquals(trs[0].destination().name, u'deactivated')
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        # test a std user get no possible transition
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        cnx = self.login('member')
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        # fetch the entity using the new session
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        trs = list(cnx.user().possible_transitions())
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        self.assertEquals(len(trs), 0)
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    def _test_manager_deactivate(self, user):
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        user.clear_related_cache('in_state', 'subject')
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        self.assertEquals(len(user.in_state), 1)
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        self.assertEquals(user.state, 'deactivated')
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        trinfo = user.latest_trinfo()
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        self.assertEquals(trinfo.previous_state.name, 'activated')
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        self.assertEquals(trinfo.new_state.name, 'deactivated')
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        self.assertEquals(trinfo.comment, 'deactivate user')
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        self.assertEquals(trinfo.comment_format, 'text/plain')
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        return trinfo
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    def test_change_state(self):
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        user = self.user()
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        user.change_state('deactivated', comment=u'deactivate user')
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        trinfo = self._test_manager_deactivate(user)
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        self.assertEquals(trinfo.transition, None)
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    def test_fire_transition(self):
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        user = self.user()
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        user.fire_transition('deactivate', comment=u'deactivate user')
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        self.assertEquals(user.state, 'deactivated')
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        self._test_manager_deactivate(user)
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        trinfo = self._test_manager_deactivate(user)
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        self.assertEquals(trinfo.transition.name, 'deactivate')
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    # XXX test managers can change state without matching transition
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    def _test_stduser_deactivate(self):
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        ueid = self.member.eid
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        self.create_user('tutu')
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        cnx = self.login('tutu')
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        req = self.request()
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        member = req.entity_from_eid(self.member.eid)
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        ex = self.assertRaises(ValidationError,
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                               member.fire_transition, 'deactivate')
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        self.assertEquals(ex.errors, {'by_transition': "transition may not be fired"})
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        cnx.close()
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        cnx = self.login('member')
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        req = self.request()
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        member = req.entity_from_eid(self.member.eid)
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        member.fire_transition('deactivate')
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        cnx.commit()
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        ex = self.assertRaises(ValidationError,
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                               member.fire_transition, 'activate')
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        self.assertEquals(ex.errors, {'by_transition': "transition may not be fired"})
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    def test_fire_transition_owned_by(self):
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        self.execute('INSERT RQLExpression X: X exprtype "ERQLExpression", '
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                     'X expression "X owned_by U", T condition X '
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                     'WHERE T name "deactivate"')
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        self._test_stduser_deactivate()
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    def test_fire_transition_has_update_perm(self):
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        self.execute('INSERT RQLExpression X: X exprtype "ERQLExpression", '
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                     'X expression "U has_update_permission X", T condition X '
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                     'WHERE T name "deactivate"')
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        self._test_stduser_deactivate()
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    def _init_wf_with_shared_state_or_tr(self):
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        req = self.request()
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        etypes = dict(self.execute('Any N, ET WHERE ET is CWEType, ET name N'
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                                   ', ET name IN ("CWGroup", "Bookmark")'))
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        self.grpwf = req.create_entity('Workflow', ('workflow_of', 'ET'),
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                                       ET=etypes['CWGroup'], name=u'group workflow')
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        self.bmkwf = req.execute('Any X WHERE X is Workflow, X workflow_of ET, ET name "Bookmark"').get_entity(0, 0)
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        self.state1 = self.grpwf.add_state(u'state1', initial=True)
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        self.execute('SET S state_of WF WHERE S eid %(s)s, WF eid %(wf)s',
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                     {'s': self.state1.eid, 'wf': self.bmkwf.eid})
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        self.execute('SET WF initial_state S WHERE S eid %(s)s, WF eid %(wf)s',
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                     {'s': self.state1.eid, 'wf': self.bmkwf.eid})
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        self.state2 = self.grpwf.add_state(u'state2')
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        self.group = self.add_entity('CWGroup', name=u't1')
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        self.bookmark = self.add_entity('Bookmark', title=u'111', path=u'/view')
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        # commit to link to the initial state
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        self.commit()
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    def test_transitions_selection(self):
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        """
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        ------------------------  tr1    -----------------
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        | state1 (CWGroup, Bookmark) | ------> | state2 (CWGroup) |
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        ------------------------         -----------------
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                  |  tr2    ------------------
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                  `------>  | state3 (Bookmark) |
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                            ------------------
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        """
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        self._init_wf_with_shared_state_or_tr()
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        state3 = self.bmkwf.add_state(u'state3')
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        tr1 = self.grpwf.add_transition(u'tr1', (self.state1,), self.state2)
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        tr2 = self.bmkwf.add_transition(u'tr2', (self.state1,), state3)
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        transitions = list(self.group.possible_transitions())
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        self.assertEquals(len(transitions), 1)
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        self.assertEquals(transitions[0].name, 'tr1')
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        transitions = list(self.bookmark.possible_transitions())
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        self.assertEquals(len(transitions), 1)
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        self.assertEquals(transitions[0].name, 'tr2')
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    def test_transitions_selection2(self):
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        """
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        ------------------------  tr1 (Bookmark)   -----------------------
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        | state1 (CWGroup, Bookmark) | -------------> | state2 (CWGroup,Bookmark) |
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        ------------------------                -----------------------
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                  |  tr2 (CWGroup)                     |
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                  `---------------------------------/
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        """
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        self._init_wf_with_shared_state_or_tr()
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        self.execute('SET S state_of WF WHERE S eid %(s)s, WF eid %(wf)s',
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                     {'s': self.state2.eid, 'wf': self.bmkwf.eid})
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        tr1 = self.bmkwf.add_transition(u'tr1', (self.state1,), self.state2)
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        tr2 = self.grpwf.add_transition(u'tr2', (self.state1,), self.state2)
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        transitions = list(self.group.possible_transitions())
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        self.assertEquals(len(transitions), 1)
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        self.assertEquals(transitions[0].name, 'tr2')
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        transitions = list(self.bookmark.possible_transitions())
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        self.assertEquals(len(transitions), 1)
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        self.assertEquals(transitions[0].name, 'tr1')
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2949
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class CustomWorkflowTC(EnvBasedTC):
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    def setup_database(self):
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        self.member = self.create_user('member')
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    def tearDown(self):
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        super(CustomWorkflowTC, self).tearDown()
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        self.execute('DELETE X custom_workflow WF')
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    def test_custom_wf_replace_state_no_history(self):
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        """member in inital state with no previous history, state is simply
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        redirected when changing workflow
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        """
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        wf = add_wf(self, 'CWUser')
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        wf.add_state('asleep', initial=True)
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        self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        self.member.clear_all_caches()
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        self.assertEquals(self.member.state, 'activated')# no change before commit
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        self.commit()
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        self.member.clear_all_caches()
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        self.assertEquals(self.member.current_workflow.eid, wf.eid)
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        self.assertEquals(self.member.state, 'asleep')
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        self.assertEquals(self.member.workflow_history, [])
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    def test_custom_wf_replace_state_keep_history(self):
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        """member in inital state with some history, state is redirected and
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        state change is recorded to history
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        """
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        self.member.fire_transition('deactivate')
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        self.member.fire_transition('activate')
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        wf = add_wf(self, 'CWUser')
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        wf.add_state('asleep', initial=True)
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        self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        self.commit()
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        self.member.clear_all_caches()
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        self.assertEquals(self.member.current_workflow.eid, wf.eid)
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        self.assertEquals(self.member.state, 'asleep')
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        self.assertEquals(parse_hist(self.member.workflow_history),
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                          [('activated', 'deactivated', 'deactivate', None),
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                           ('deactivated', 'activated', 'activate', None),
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                           ('activated', 'asleep', None, 'workflow changed to "CWUser"')])
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    def test_custom_wf_shared_state(self):
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        """member in some state shared by the new workflow, nothing has to be
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        done
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        """
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        self.member.fire_transition('deactivate')
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        self.assertEquals(self.member.state, 'deactivated')
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        wf = add_wf(self, 'CWUser')
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        wf.add_state('asleep', initial=True)
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        self.execute('SET S state_of WF WHERE S name "deactivated", WF eid %(wf)s',
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                     {'wf': wf.eid})
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        self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        self.commit()
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        self.member.clear_all_caches()
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        self.assertEquals(self.member.current_workflow.eid, wf.eid)
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        self.assertEquals(self.member.state, 'deactivated')
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        self.assertEquals(parse_hist(self.member.workflow_history),
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                          [('activated', 'deactivated', 'deactivate', None)])
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    def test_custom_wf_no_initial_state(self):
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        """try to set a custom workflow which has no initial state"""
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        self.member.fire_transition('deactivate')
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        wf = add_wf(self, 'CWUser')
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        wf.add_state('asleep')
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        self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        ex = self.assertRaises(ValidationError, self.commit)
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        self.assertEquals(ex.errors, {'custom_workflow': u'workflow has no initial state'})
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    def test_custom_wf_bad_etype(self):
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        """try to set a custom workflow which has no initial state"""
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        self.member.fire_transition('deactivate')
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        wf = add_wf(self, 'Company')
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        wf.add_state('asleep', initial=True)
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        self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        ex = self.assertRaises(ValidationError, self.commit)
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        self.assertEquals(ex.errors, {'custom_workflow': 'constraint S is ET, O workflow_of ET failed'})
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    def test_del_custom_wf(self):
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        """member in some state shared by the new workflow, nothing has to be
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        done
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        """
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        self.member.fire_transition('deactivate')
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        wf = add_wf(self, 'CWUser')
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        wf.add_state('asleep', initial=True)
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        self.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        self.commit()
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        self.execute('DELETE X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
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                     {'wf': wf.eid, 'x': self.member.eid})
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        self.member.clear_all_caches()
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        self.assertEquals(self.member.state, 'asleep')# no change before commit
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        self.commit()
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        self.member.clear_all_caches()
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        self.assertEquals(self.member.current_workflow.name, "CWUser workflow")
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        self.assertEquals(self.member.state, 'activated')
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        self.assertEquals(parse_hist(self.member.workflow_history),
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                          [('activated', 'deactivated', 'deactivate', None),
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                           ('deactivated', 'asleep', None, 'workflow changed to "CWUser"'),
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                           ('asleep', 'activated', None, 'workflow changed to "CWUser workflow"'),])
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2920
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from cubicweb.devtools.apptest import RepositoryBasedTC
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class WorkflowHooksTC(RepositoryBasedTC):
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    def setUp(self):
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        RepositoryBasedTC.setUp(self)
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        self.wf = self.session.user.current_workflow
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        self.s_activated = self.wf.state_by_name('activated').eid
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        self.s_deactivated = self.wf.state_by_name('deactivated').eid
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        self.s_dummy = self.wf.add_state(u'dummy').eid
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        self.wf.add_transition(u'dummy', (self.s_deactivated,), self.s_dummy)
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        ueid = self.create_user('stduser', commit=False)
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        # test initial state is set
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        rset = self.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
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                            {'x' : ueid})
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        self.failIf(rset, rset.rows)
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        self.commit()
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        initialstate = self.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
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                                    {'x' : ueid})[0][0]
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        self.assertEquals(initialstate, u'activated')
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        # give access to users group on the user's wf transitions
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        # so we can test wf enforcing on euser (managers don't have anymore this
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        # enforcement
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        self.execute('SET X require_group G '
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                     'WHERE G name "users", X transition_of WF, WF eid %(wf)s',
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                     {'wf': self.wf.eid})
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        self.commit()
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    def tearDown(self):
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        self.execute('DELETE X require_group G '
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                     'WHERE G name "users", X transition_of WF, WF eid %(wf)s',
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                     {'wf': self.wf.eid})
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        self.commit()
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        RepositoryBasedTC.tearDown(self)
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    # XXX currently, we've to rely on hooks to set initial state, or to use unsafe_execute
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    # def test_initial_state(self):
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    #     cnx = self.login('stduser')
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    #     cu = cnx.cursor()
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    #     self.assertRaises(ValidationError, cu.execute,
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    #                       'INSERT CWUser X: X login "badaboum", X upassword %(pwd)s, '
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    #                       'X in_state S WHERE S name "deactivated"', {'pwd': 'oops'})
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    #     cnx.close()
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    #     # though managers can do whatever he want
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    #     self.execute('INSERT CWUser X: X login "badaboum", X upassword %(pwd)s, '
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    #                  'X in_state S, X in_group G WHERE S name "deactivated", G name "users"', {'pwd': 'oops'})
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    #     self.commit()
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    # test that the workflow is correctly enforced
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    def test_transition_checking1(self):
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        cnx = self.login('stduser')
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        user = cnx.user(self.current_session())
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        ex = self.assertRaises(ValidationError,
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                               user.fire_transition, 'activate')
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        self.assertEquals(ex.errors, {'by_transition': u"transition isn't allowed"})
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        cnx.close()
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    def test_transition_checking2(self):
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        cnx = self.login('stduser')
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        user = cnx.user(self.current_session())
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        assert user.state == 'activated'
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        ex = self.assertRaises(ValidationError,
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                               user.fire_transition, 'dummy')
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        self.assertEquals(ex.errors, {'by_transition': u"transition isn't allowed"})
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        cnx.close()
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    def test_transition_checking3(self):
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        cnx = self.login('stduser')
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        session = self.current_session()
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        user = cnx.user(session)
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        user.fire_transition('deactivate')
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        cnx.commit()
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        session.set_pool()
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        ex = self.assertRaises(ValidationError,
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                               user.fire_transition, 'deactivate')
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        self.assertEquals(ex.errors, {'by_transition': u"transition isn't allowed"})
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   384
        # get back now
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        user.fire_transition('activate')
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   386
        cnx.commit()
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   387
        cnx.close()
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   388
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   389
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if __name__ == '__main__':
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   391
    from logilab.common.testlib import unittest_main
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    unittest_main()