cubicweb/entities/test/unittest_wfobjs.py
changeset 11057 0b59724cb3f2
parent 10663 54b8a1f249fb
child 12508 a8c1ea390400
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/entities/test/unittest_wfobjs.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,705 @@
+# copyright 2003-2014 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.
+#
+# CubicWeb 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 cubicweb import ValidationError
+from cubicweb.devtools.testlib import CubicWebTC
+
+def add_wf(shell, etype, name=None, default=False):
+    if name is None:
+        name = etype
+    return shell.add_workflow(name, etype, default=default,
+                              ensure_workflowable=False)
+
+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):
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'Company')
+            foo = wf.add_state(u'foo', initial=True)
+            bar = wf.add_state(u'bar')
+            self.assertEqual(wf.state_by_name('bar').eid, bar.eid)
+            self.assertEqual(wf.state_by_name('barrr'), None)
+            baz = wf.add_transition(u'baz', (foo,), bar, ('managers',))
+            self.assertEqual(wf.transition_by_name('baz').eid, baz.eid)
+            self.assertEqual(len(baz.require_group), 1)
+            self.assertEqual(baz.require_group[0].name, 'managers')
+
+    def test_duplicated_state(self):
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'Company')
+            wf.add_state(u'foo', initial=True)
+            shell.commit()
+            with self.assertRaises(ValidationError) as cm:
+                wf.add_state(u'foo')
+            self.assertEqual({'name': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              'state_of': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              '': u'some relations violate a unicity constraint'},
+                             cm.exception.errors)
+            shell.rollback()
+            # no pb if not in the same workflow
+            wf2 = add_wf(shell, 'Company')
+            foo = wf2.add_state(u'foo', initial=True)
+            shell.commit()
+            # gnark gnark
+            bar = wf.add_state(u'bar')
+            shell.commit()
+            with self.assertRaises(ValidationError) as cm:
+                bar.cw_set(name=u'foo')
+            shell.rollback()
+            self.assertEqual({'name': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              'state_of': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              '': u'some relations violate a unicity constraint'},
+                             cm.exception.errors)
+
+    def test_duplicated_transition(self):
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'Company')
+            foo = wf.add_state(u'foo', initial=True)
+            bar = wf.add_state(u'bar')
+            wf.add_transition(u'baz', (foo,), bar, ('managers',))
+            with self.assertRaises(ValidationError) as cm:
+                wf.add_transition(u'baz', (bar,), foo)
+            self.assertEqual({'name': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              'transition_of': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              '': u'some relations violate a unicity constraint'},
+                             cm.exception.errors)
+            shell.rollback()
+            # no pb if not in the same workflow
+            wf2 = add_wf(shell, 'Company')
+            foo = wf2.add_state(u'foo', initial=True)
+            bar = wf2.add_state(u'bar')
+            wf2.add_transition(u'baz', (foo,), bar, ('managers',))
+            shell.commit()
+            # gnark gnark
+            biz = wf2.add_transition(u'biz', (bar,), foo)
+            shell.commit()
+            with self.assertRaises(ValidationError) as cm:
+                biz.cw_set(name=u'baz')
+            shell.rollback()
+            self.assertEqual({'name': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              'transition_of': u'%(KEY-rtype)s is part of violated unicity constraint',
+                              '': u'some relations violate a unicity constraint'},
+                             cm.exception.errors)
+
+
+class WorkflowTC(CubicWebTC):
+
+    def setup_database(self):
+        rschema = self.schema['in_state']
+        for rdef in rschema.rdefs.values():
+            self.assertEqual(rdef.cardinality, '1*')
+        with self.admin_access.client_cnx() as cnx:
+            self.member_eid = self.create_user(cnx, 'member').eid
+            cnx.commit()
+
+    def test_workflow_base(self):
+        with self.admin_access.web_request() as req:
+            e = self.create_user(req, 'toto')
+            iworkflowable = e.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.state, 'activated')
+            iworkflowable.change_state('deactivated', u'deactivate 1')
+            req.cnx.commit()
+            iworkflowable.change_state('activated', u'activate 1')
+            req.cnx.commit()
+            iworkflowable.change_state('deactivated', u'deactivate 2')
+            req.cnx.commit()
+            e.cw_clear_relation_cache('wf_info_for', 'object')
+            self.assertEqual([tr.comment for tr in e.reverse_wf_info_for],
+                              ['deactivate 1', 'activate 1', 'deactivate 2'])
+            self.assertEqual(iworkflowable.latest_trinfo().comment, 'deactivate 2')
+
+    def test_possible_transitions(self):
+        with self.admin_access.web_request() as req:
+            user = req.execute('CWUser X').get_entity(0, 0)
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            trs = list(iworkflowable.possible_transitions())
+            self.assertEqual(len(trs), 1)
+            self.assertEqual(trs[0].name, u'deactivate')
+            self.assertEqual(trs[0].destination(None).name, u'deactivated')
+        # test a std user get no possible transition
+        with self.new_access('member').web_request() as req:
+            # fetch the entity using the new session
+            trs = list(req.user.cw_adapt_to('IWorkflowable').possible_transitions())
+            self.assertEqual(len(trs), 0)
+
+    def _test_manager_deactivate(self, user):
+        iworkflowable = user.cw_adapt_to('IWorkflowable')
+        user.cw_clear_relation_cache('in_state', 'subject')
+        self.assertEqual(len(user.in_state), 1)
+        self.assertEqual(iworkflowable.state, 'deactivated')
+        trinfo = iworkflowable.latest_trinfo()
+        self.assertEqual(trinfo.previous_state.name, 'activated')
+        self.assertEqual(trinfo.new_state.name, 'deactivated')
+        self.assertEqual(trinfo.comment, 'deactivate user')
+        self.assertEqual(trinfo.comment_format, 'text/plain')
+        return trinfo
+
+    def test_change_state(self):
+        with self.admin_access.client_cnx() as cnx:
+            user = cnx.user
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            iworkflowable.change_state('deactivated', comment=u'deactivate user')
+            trinfo = self._test_manager_deactivate(user)
+            self.assertEqual(trinfo.transition, None)
+
+    def test_set_in_state_bad_wf(self):
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'CWUser')
+            s = wf.add_state(u'foo', initial=True)
+            shell.commit()
+        with self.admin_access.repo_cnx() as cnx:
+            with cnx.security_enabled(write=False):
+                with self.assertRaises(ValidationError) as cm:
+                    cnx.execute('SET X in_state S WHERE X eid %(x)s, S eid %(s)s',
+                                {'x': cnx.user.eid, 's': s.eid})
+                self.assertEqual(cm.exception.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):
+        with self.admin_access.client_cnx() as cnx:
+            user = cnx.user
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            iworkflowable.fire_transition('deactivate', comment=u'deactivate user')
+            user.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.state, 'deactivated')
+            self._test_manager_deactivate(user)
+            trinfo = self._test_manager_deactivate(user)
+            self.assertEqual(trinfo.transition.name, 'deactivate')
+
+    def test_goback_transition(self):
+        with self.admin_access.web_request() as req:
+            wf = req.user.cw_adapt_to('IWorkflowable').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(req, 'stduser')
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            iworkflowable.fire_transition('rest')
+            req.cnx.commit()
+            iworkflowable.fire_transition('wake up')
+            req.cnx.commit()
+            self.assertEqual(iworkflowable.state, 'activated')
+            iworkflowable.fire_transition('deactivate')
+            req.cnx.commit()
+            iworkflowable.fire_transition('rest')
+            req.cnx.commit()
+            iworkflowable.fire_transition('wake up')
+            req.cnx.commit()
+            user.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.state, 'deactivated')
+
+    # XXX test managers can change state without matching transition
+
+    def _test_stduser_deactivate(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.create_user(cnx, 'tutu')
+        with self.new_access('tutu').web_request() as req:
+            iworkflowable = req.entity_from_eid(self.member_eid).cw_adapt_to('IWorkflowable')
+            with self.assertRaises(ValidationError) as cm:
+                iworkflowable.fire_transition('deactivate')
+            self.assertEqual(cm.exception.errors, {'by_transition-subject': "transition may not be fired"})
+        with self.new_access('member').web_request() as req:
+            iworkflowable = req.entity_from_eid(self.member_eid).cw_adapt_to('IWorkflowable')
+            iworkflowable.fire_transition('deactivate')
+            req.cnx.commit()
+            with self.assertRaises(ValidationError) as cm:
+                iworkflowable.fire_transition('activate')
+            self.assertEqual(cm.exception.errors, {'by_transition-subject': "transition may not be fired"})
+
+    def test_fire_transition_owned_by(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute('INSERT RQLExpression X: X exprtype "ERQLExpression", '
+                        'X expression "X owned_by U", T condition X '
+                        'WHERE T name "deactivate"')
+            cnx.commit()
+        self._test_stduser_deactivate()
+
+    def test_fire_transition_has_update_perm(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute('INSERT RQLExpression X: X exprtype "ERQLExpression", '
+                        'X expression "U has_update_permission X", T condition X '
+                        'WHERE T name "deactivate"')
+            cnx.commit()
+        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
+        with self.admin_access.shell() as shell:
+            swf = add_wf(shell, '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(shell, '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)])
+            swf.cw_clear_all_caches()
+            self.assertEqual(swftr1.destination(None).eid, swfstate1.eid)
+        # workflows built, begin test
+        with self.admin_access.web_request() as req:
+            group = req.create_entity('CWGroup', name=u'grp1')
+            req.cnx.commit()
+            iworkflowable = group.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.current_state.eid, state1.eid)
+            self.assertEqual(iworkflowable.current_workflow.eid, mwf.eid)
+            self.assertEqual(iworkflowable.main_workflow.eid, mwf.eid)
+            self.assertEqual(iworkflowable.subworkflow_input_transition(), None)
+            iworkflowable.fire_transition('swftr1', u'go')
+            req.cnx.commit()
+            group.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.current_state.eid, swfstate1.eid)
+            self.assertEqual(iworkflowable.current_workflow.eid, swf.eid)
+            self.assertEqual(iworkflowable.main_workflow.eid, mwf.eid)
+            self.assertEqual(iworkflowable.subworkflow_input_transition().eid, swftr1.eid)
+            iworkflowable.fire_transition('tr1', u'go')
+            req.cnx.commit()
+            group.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.current_state.eid, state2.eid)
+            self.assertEqual(iworkflowable.current_workflow.eid, mwf.eid)
+            self.assertEqual(iworkflowable.main_workflow.eid, mwf.eid)
+            self.assertEqual(iworkflowable.subworkflow_input_transition(), None)
+            # force back to swfstate1 is impossible since we can't any more find
+            # subworkflow input transition
+            with self.assertRaises(ValidationError) as cm:
+                iworkflowable.change_state(swfstate1, u'gadget')
+            self.assertEqual(cm.exception.errors, {'to_state-subject': "state doesn't belong to entity's workflow"})
+            req.cnx.rollback()
+            # force back to state1
+            iworkflowable.change_state('state1', u'gadget')
+            iworkflowable.fire_transition('swftr1', u'au')
+            group.cw_clear_all_caches()
+            iworkflowable.fire_transition('tr2', u'chapeau')
+            req.cnx.commit()
+            group.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.current_state.eid, state3.eid)
+            self.assertEqual(iworkflowable.current_workflow.eid, mwf.eid)
+            self.assertEqual(iworkflowable.main_workflow.eid, mwf.eid)
+            self.assertListEqual(parse_hist(iworkflowable.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):
+        with self.admin_access.shell() as shell:
+            # sub-workflow
+            swf = add_wf(shell, '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(shell, '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)])
+            with self.assertRaises(ValidationError) as cm:
+                shell.commit()
+            self.assertEqual(cm.exception.errors, {'subworkflow_exit-subject': u"can't have multiple exits on the same state"})
+
+    def test_swf_fire_in_a_row(self):
+        with self.admin_access.shell() as shell:
+            # sub-workflow
+            subwf = add_wf(shell, '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(shell, '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)])
+            shell.commit()
+        with self.admin_access.repo_cnx() as cnx:
+            group = cnx.create_entity('CWGroup', name=u'grp1')
+            cnx.commit()
+            iworkflowable = group.cw_adapt_to('IWorkflowable')
+            for trans in ('identify', 'release', 'close'):
+                iworkflowable.fire_transition(trans)
+                cnx.commit()
+
+
+    def test_swf_magic_tr(self):
+        with self.admin_access.shell() as shell:
+            # sub-workflow
+            subwf = add_wf(shell, '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(shell, '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)])
+            shell.commit()
+        with self.admin_access.web_request() as req:
+            group = req.create_entity('CWGroup', name=u'grp1')
+            req.cnx.commit()
+            iworkflowable = group.cw_adapt_to('IWorkflowable')
+            for trans, nextstate in (('identify', 'xsigning'),
+                                     ('xabort', 'created'),
+                                     ('identify', 'xsigning'),
+                                     ('xsign', 'identified'),
+                                     ('release', 'xsigning'),
+                                     ('xabort', 'identified')
+                                     ):
+                iworkflowable.fire_transition(trans)
+                req.cnx.commit()
+                group.cw_clear_all_caches()
+                self.assertEqual(iworkflowable.state, nextstate)
+
+    def test_replace_state(self):
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'CWGroup', name='groupwf', default=True)
+            s_new = wf.add_state('new', initial=True)
+            s_state1 = wf.add_state('state1')
+            wf.add_transition('tr', (s_new,), s_state1)
+            shell.commit()
+
+        with self.admin_access.repo_cnx() as cnx:
+            group = cnx.create_entity('CWGroup', name=u'grp1')
+            cnx.commit()
+
+            iwf = group.cw_adapt_to('IWorkflowable')
+            iwf.fire_transition('tr')
+            cnx.commit()
+            group.cw_clear_all_caches()
+
+            wf = cnx.entity_from_eid(wf.eid)
+            wf.add_state('state2')
+            with cnx.security_enabled(write=False):
+                wf.replace_state('state1', 'state2')
+            cnx.commit()
+
+            self.assertEqual(iwf.state, 'state2')
+            self.assertEqual(iwf.latest_trinfo().to_state[0].name, 'state2')
+
+
+class CustomWorkflowTC(CubicWebTC):
+
+    def setup_database(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.member_eid = self.create_user(cnx, 'member').eid
+
+    def test_custom_wf_replace_state_no_history(self):
+        """member in inital state with no previous history, state is simply
+        redirected when changing workflow
+        """
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'CWUser')
+            wf.add_state('asleep', initial=True)
+        with self.admin_access.web_request() as req:
+            req.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                     {'wf': wf.eid, 'x': self.member_eid})
+            member = req.entity_from_eid(self.member_eid)
+            iworkflowable = member.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.state, 'activated') # no change before commit
+            req.cnx.commit()
+            member.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.current_workflow.eid, wf.eid)
+            self.assertEqual(iworkflowable.state, 'asleep')
+            self.assertEqual(iworkflowable.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
+        """
+        with self.admin_access.web_request() as req:
+            member = req.entity_from_eid(self.member_eid)
+            iworkflowable = member.cw_adapt_to('IWorkflowable')
+            iworkflowable.fire_transition('deactivate')
+            iworkflowable.fire_transition('activate')
+            req.cnx.commit()
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'CWUser')
+            wf.add_state('asleep', initial=True)
+            shell.rqlexec('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                          {'wf': wf.eid, 'x': self.member_eid})
+        with self.admin_access.web_request() as req:
+            member = req.entity_from_eid(self.member_eid)
+            iworkflowable = member.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.current_workflow.eid, wf.eid)
+            self.assertEqual(iworkflowable.state, 'asleep')
+            self.assertEqual(parse_hist(iworkflowable.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"""
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'CWUser')
+            wf.add_state('asleep')
+            shell.rqlexec('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                          {'wf': wf.eid, 'x': self.member_eid})
+            with self.assertRaises(ValidationError) as cm:
+                shell.commit()
+            self.assertEqual(cm.exception.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"""
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'Company')
+            wf.add_state('asleep', initial=True)
+            shell.rqlexec('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                         {'wf': wf.eid, 'x': self.member_eid})
+            with self.assertRaises(ValidationError) as cm:
+                shell.commit()
+            self.assertEqual(cm.exception.errors, {'custom_workflow-subject': u"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
+        """
+        with self.admin_access.web_request() as req:
+            member = req.entity_from_eid(self.member_eid)
+            iworkflowable = member.cw_adapt_to('IWorkflowable')
+            iworkflowable.fire_transition('deactivate')
+            req.cnx.commit()
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, 'CWUser')
+            wf.add_state('asleep', initial=True)
+            shell.rqlexec('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                         {'wf': wf.eid, 'x': self.member_eid})
+            shell.commit()
+        with self.admin_access.web_request() as req:
+            req.execute('DELETE X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                         {'wf': wf.eid, 'x': self.member_eid})
+            member = req.entity_from_eid(self.member_eid)
+            iworkflowable = member.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.state, 'asleep')# no change before commit
+            req.cnx.commit()
+            member.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.current_workflow.name, "default user workflow")
+            self.assertEqual(iworkflowable.state, 'activated')
+            self.assertEqual(parse_hist(iworkflowable.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):
+        with self.admin_access.shell() as shell:
+            wf = add_wf(shell, '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()
+        with self.admin_access.web_request() as req:
+            user = self.create_user(req, 'member')
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            req.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                        {'wf': wf.eid, 'x': user.eid})
+            req.cnx.commit()
+            user.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.state, 'asleep')
+            self.assertEqual([t.name for t in iworkflowable.possible_transitions()],
+                              ['rest'])
+            iworkflowable.fire_transition('rest')
+            req.cnx.commit()
+            user.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.state, 'asleep')
+            self.assertEqual([t.name for t in iworkflowable.possible_transitions()],
+                              ['rest'])
+            self.assertEqual(parse_hist(iworkflowable.workflow_history),
+                              [('asleep', 'asleep', 'rest', None)])
+            user.cw_set(surname=u'toto') # fulfill condition
+            req.cnx.commit()
+            iworkflowable.fire_transition('rest')
+            req.cnx.commit()
+            user.cw_clear_all_caches()
+            self.assertEqual(iworkflowable.state, 'dead')
+            self.assertEqual(parse_hist(iworkflowable.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()
+        with self.admin_access.web_request() as req:
+            user = self.create_user(req, 'member', surname=u'toto')
+            req.execute('SET X custom_workflow WF WHERE X eid %(x)s, WF eid %(wf)s',
+                        {'wf': wf.eid, 'x': user.eid})
+            req.cnx.commit()
+            user.cw_clear_all_caches()
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.state, 'dead')
+
+    def test_auto_transition_initial_state_fired(self):
+        with self.admin_access.web_request() as req:
+            wf = req.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'},))
+            req.cnx.commit()
+        with self.admin_access.web_request() as req:
+            user = self.create_user(req, 'member', surname=u'toto')
+            req.cnx.commit()
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            self.assertEqual(iworkflowable.state, 'dead')
+
+
+class WorkflowHooksTC(CubicWebTC):
+
+    def setUp(self):
+        CubicWebTC.setUp(self)
+        with self.admin_access.web_request() as req:
+            self.wf = req.user.cw_adapt_to('IWorkflowable').current_workflow
+            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(req, 'stduser', commit=False).eid
+            # test initial state is set
+            rset = req.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
+                                {'x' : ueid})
+            self.assertFalse(rset, rset.rows)
+            req.cnx.commit()
+            initialstate = req.execute('Any N WHERE S name N, X in_state S, X eid %(x)s',
+                                        {'x' : ueid})[0][0]
+            self.assertEqual(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
+            req.execute('SET X require_group G '
+                         'WHERE G name "users", X transition_of WF, WF eid %(wf)s',
+                         {'wf': self.wf.eid})
+            req.cnx.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):
+        with self.new_access('stduser').repo_cnx() as cnx:
+            user = cnx.user
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            with self.assertRaises(ValidationError) as cm:
+                iworkflowable.fire_transition('activate')
+            self.assertEqual(self._cleanup_msg(cm.exception.errors['by_transition-subject']),
+                             u"transition isn't allowed from")
+
+    def test_transition_checking2(self):
+        with self.new_access('stduser').repo_cnx() as cnx:
+            user = cnx.user
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            with self.assertRaises(ValidationError) as cm:
+                iworkflowable.fire_transition('dummy')
+            self.assertEqual(self._cleanup_msg(cm.exception.errors['by_transition-subject']),
+                             u"transition isn't allowed from")
+
+    def test_transition_checking3(self):
+        with self.new_access('stduser').repo_cnx() as cnx:
+            user = cnx.user
+            iworkflowable = user.cw_adapt_to('IWorkflowable')
+            iworkflowable.fire_transition('deactivate')
+            cnx.commit()
+            with self.assertRaises(ValidationError) as cm:
+                iworkflowable.fire_transition('deactivate')
+            self.assertEqual(self._cleanup_msg(cm.exception.errors['by_transition-subject']),
+                                                u"transition isn't allowed from")
+            cnx.rollback()
+            # get back now
+            iworkflowable.fire_transition('activate')
+            cnx.commit()
+
+
+if __name__ == '__main__':
+    from logilab.common.testlib import unittest_main
+    unittest_main()