entities/test/unittest_wfobjs.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 25 Aug 2009 18:31:16 +0200
branch3.5
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parent 2985 79185b3ccf2c
child 3023 7864fee8b4ec
child 3206 5a51ac97f1d3
permissions -rw-r--r--
[wf] test and hooks for WorkflowTransition support
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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, default=False):
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    if name is None:
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        name = etype
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    wf = self.execute('INSERT Workflow X: X name %(n)s', {'n': unicode(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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    if default:
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        self.execute('SET ET default_workflow WF 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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        self.commit()
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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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        # no pb if not in the same workflow
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        wf2 = add_wf(self, 'Company')
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        foo = wf2.add_state(u'foo', initial=True)
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        self.commit()
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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_set_in_state_bad_wf(self):
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        wf = add_wf(self, 'CWUser')
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        s = wf.add_state(u'foo', initial=True)
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        self.commit()
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        ex = self.assertRaises(ValidationError, self.session().unsafe_execute,
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                               'SET X in_state S WHERE X eid %(x)s, S eid %(s)s',
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                               {'x': self.user().eid, 's': s.eid}, 'x')
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        self.assertEquals(ex.errors, {'in_state': "state doesn't belong to entity's workflow. "
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                                      "You may want to set a custom workflow for this entity first."})
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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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        user.clear_all_caches()
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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 test_subworkflow_base(self):
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        """subworkflow
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        +-----------+  tr1   +-----------+
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        | swfstate1 | ------>| swfstate2 |
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        +-----------+        +-----------+
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                  |  tr2  +-----------+
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                  `------>| swfstate3 |
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                          +-----------+
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        main workflow
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        +--------+  swftr1             +--------+
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        | state1 | -------[swfstate2]->| state2 |
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        +--------+     |               +--------+
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                       |               +--------+
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                       `-[swfstate3]-->| state3 |
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                                       +--------+
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        """
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        # sub-workflow
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        swf = add_wf(self, 'CWGroup', name='subworkflow')
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        swfstate1 = swf.add_state(u'swfstate1', initial=True)
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        swfstate2 = swf.add_state(u'swfstate2')
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        swfstate3 = swf.add_state(u'swfstate3')
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        tr1 = swf.add_transition(u'tr1', (swfstate1,), swfstate2)
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        tr2 = swf.add_transition(u'tr2', (swfstate1,), swfstate3)
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        # main workflow
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        mwf = add_wf(self, 'CWGroup', name='main workflow', default=True)
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        state1 = mwf.add_state(u'state1', initial=True)
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        state2 = mwf.add_state(u'state2')
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        state3 = mwf.add_state(u'state3')
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        swftr1 = mwf.add_wftransition(u'swftr1', swf, state1,
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                                      [(swfstate2, state2), (swfstate3, state3)])
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        self.assertEquals(swftr1.destination().eid, swfstate1.eid)
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        # workflows built, begin test
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        self.group = self.add_entity('CWGroup', name=u'grp1')
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        self.commit()
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        self.assertEquals(self.group.current_state.eid, state1.eid)
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        self.assertEquals(self.group.current_workflow.eid, mwf.eid)
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        self.assertEquals(self.group.main_workflow.eid, mwf.eid)
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        self.assertEquals(self.group.subworkflow_input_transition(), None)
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        self.group.fire_transition('swftr1', u'go')
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   203
        self.commit()
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        self.group.clear_all_caches()
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        self.assertEquals(self.group.current_state.eid, swfstate1.eid)
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        self.assertEquals(self.group.current_workflow.eid, swf.eid)
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        self.assertEquals(self.group.main_workflow.eid, mwf.eid)
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        self.assertEquals(self.group.subworkflow_input_transition().eid, swftr1.eid)
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        self.group.fire_transition('tr1', u'go')
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        self.commit()
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   211
        self.group.clear_all_caches()
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        self.assertEquals(self.group.current_state.eid, state2.eid)
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        self.assertEquals(self.group.current_workflow.eid, mwf.eid)
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        self.assertEquals(self.group.main_workflow.eid, mwf.eid)
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        self.assertEquals(self.group.subworkflow_input_transition(), None)
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        # force back to swfstate1 is impossible since we can't any more find
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        # subworkflow input transition
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        ex = self.assertRaises(ValidationError,
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                               self.group.change_state, swfstate1, u'gadget')
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        self.assertEquals(ex.errors, {'to_state': "state doesn't belong to entity's current workflow"})
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   221
        self.rollback()
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        # force back to state1
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        self.group.change_state('state1', u'gadget')
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   224
        self.group.fire_transition('swftr1', u'au')
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        self.group.clear_all_caches()
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        self.group.fire_transition('tr2', u'chapeau')
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        self.commit()
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        self.group.clear_all_caches()
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        self.assertEquals(self.group.current_state.eid, state3.eid)
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        self.assertEquals(self.group.current_workflow.eid, mwf.eid)
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        self.assertEquals(self.group.main_workflow.eid, mwf.eid)
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        self.assertListEquals(parse_hist(self.group.workflow_history),
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                              [('state1', 'swfstate1', 'swftr1', 'go'),
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                               ('swfstate1', 'swfstate2', 'tr1', 'go'),
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                               ('swfstate2', 'state2', 'swftr1', 'exiting from subworkflow subworkflow'),
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                               ('state2', 'state1', None, 'gadget'),
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                               ('state1', 'swfstate1', 'swftr1', 'au'),
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                               ('swfstate1', 'swfstate3', 'tr2', 'chapeau'),
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                               ('swfstate3', 'state3', 'swftr1', 'exiting from subworkflow subworkflow'),
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                               ])
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    def test_subworkflow_exit_consistency(self):
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        # sub-workflow
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        swf = add_wf(self, 'CWGroup', name='subworkflow')
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        swfstate1 = swf.add_state(u'swfstate1', initial=True)
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        swfstate2 = swf.add_state(u'swfstate2')
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        tr1 = swf.add_transition(u'tr1', (swfstate1,), swfstate2)
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        # main workflow
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        mwf = add_wf(self, 'CWGroup', name='main workflow', default=True)
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        state1 = mwf.add_state(u'state1', initial=True)
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        state2 = mwf.add_state(u'state2')
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        state3 = mwf.add_state(u'state3')
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        mwf.add_wftransition(u'swftr1', swf, state1,
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                             [(swfstate2, state2), (swfstate2, state3)])
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        ex = self.assertRaises(ValidationError, self.commit)
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        self.assertEquals(ex.errors, {'subworkflow_exit': u"can't have multiple exits on the same state"})
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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_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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   306
        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 doesn't apply to entity type"""
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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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   354
        self.s_deactivated = self.wf.state_by_name('deactivated').eid
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   355
        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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   359
        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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   361
        self.failIf(rset, rset.rows)
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   362
        self.commit()
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   363
        initialstate = self.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
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   364
                                    {'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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   369
        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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   375
        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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   378
        self.commit()
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   379
        RepositoryBasedTC.tearDown(self)
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   380
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   381
    # 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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   383
    #     cnx = self.login('stduser')
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    #     cu = cnx.cursor()
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   385
    #     self.assertRaises(ValidationError, cu.execute,
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   386
    #                       'INSERT CWUser X: X login "badaboum", X upassword %(pwd)s, '
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   387
    #                       'X in_state S WHERE S name "deactivated"', {'pwd': 'oops'})
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   388
    #     cnx.close()
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   389
    #     # though managers can do whatever he want
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   390
    #     self.execute('INSERT CWUser X: X login "badaboum", X upassword %(pwd)s, '
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   391
    #                  'X in_state S, X in_group G WHERE S name "deactivated", G name "users"', {'pwd': 'oops'})
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   392
    #     self.commit()
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diff changeset
   393
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   394
    # test that the workflow is correctly enforced
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diff changeset
   395
    def test_transition_checking1(self):
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diff changeset
   396
        cnx = self.login('stduser')
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diff changeset
   397
        user = cnx.user(self.current_session())
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diff changeset
   398
        ex = self.assertRaises(ValidationError,
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diff changeset
   399
                               user.fire_transition, 'activate')
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diff changeset
   400
        self.assertEquals(ex.errors, {'by_transition': u"transition isn't allowed"})
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parents:
diff changeset
   401
        cnx.close()
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diff changeset
   402
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diff changeset
   403
    def test_transition_checking2(self):
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parents:
diff changeset
   404
        cnx = self.login('stduser')
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parents:
diff changeset
   405
        user = cnx.user(self.current_session())
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diff changeset
   406
        assert user.state == 'activated'
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diff changeset
   407
        ex = self.assertRaises(ValidationError,
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diff changeset
   408
                               user.fire_transition, 'dummy')
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diff changeset
   409
        self.assertEquals(ex.errors, {'by_transition': u"transition isn't allowed"})
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parents:
diff changeset
   410
        cnx.close()
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parents:
diff changeset
   411
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diff changeset
   412
    def test_transition_checking3(self):
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parents:
diff changeset
   413
        cnx = self.login('stduser')
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parents:
diff changeset
   414
        session = self.current_session()
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parents:
diff changeset
   415
        user = cnx.user(session)
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parents:
diff changeset
   416
        user.fire_transition('deactivate')
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parents:
diff changeset
   417
        cnx.commit()
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parents:
diff changeset
   418
        session.set_pool()
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parents:
diff changeset
   419
        ex = self.assertRaises(ValidationError,
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parents:
diff changeset
   420
                               user.fire_transition, 'deactivate')
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parents:
diff changeset
   421
        self.assertEquals(ex.errors, {'by_transition': u"transition isn't allowed"})
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parents:
diff changeset
   422
        # get back now
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parents:
diff changeset
   423
        user.fire_transition('activate')
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parents:
diff changeset
   424
        cnx.commit()
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parents:
diff changeset
   425
        cnx.close()
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parents:
diff changeset
   426
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff changeset
   427
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diff changeset
   428
if __name__ == '__main__':
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parents:
diff changeset
   429
    from logilab.common.testlib import unittest_main
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parents:
diff changeset
   430
    unittest_main()