web/test/unittest_viewselector.py
author David Douard <david.douard@logilab.fr>
Fri, 03 Jul 2015 13:43:40 +0200
changeset 10504 3755cd64fff8
parent 10319 0d3ede4865a8
child 10589 7c23b7de2b8d
permissions -rw-r--r--
[doc] small rst fixes and cleanups in changelog files Related to #4832808

# -*- coding: utf-8 -*-
# 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/>.
"""XXX rename, split, reorganize this"""

from logilab.common.testlib import unittest_main

from cubicweb.devtools.testlib import CubicWebTC
from cubicweb import Binary, UnknownProperty
from cubicweb.predicates import (is_instance,
                                 specified_etype_implements, rql_condition)
from cubicweb.web import NoSelectableObject
from cubicweb.web.action import Action

from cubicweb.web.views import (primary, baseviews, tableview,
                                editforms, management, actions, startup, cwuser, schema, xbel,
                                vcard, owl, treeview, idownloadable, wdoc, debug, cwuser,
                                cwproperties, cwsources, xmlrss, rdf, csvexport, json,
                                undohistory)


USERACTIONS = [actions.UserPreferencesAction,
               actions.UserInfoAction,
               actions.LogoutAction]
SITEACTIONS = [actions.ManageAction]
FOOTERACTIONS = [wdoc.HelpAction,
                 wdoc.AboutAction,
                 actions.PoweredByAction]
MANAGEACTIONS = [actions.SiteConfigurationAction,
                 schema.ViewSchemaAction,
                 cwuser.ManageUsersAction,
                 cwsources.ManageSourcesAction,
                 debug.SiteInfoAction]

if hasattr(rdf, 'RDFView'): # not available if rdflib not installed
    RDFVIEWS = [('rdf', rdf.RDFView), ('n3rdf', rdf.RDFN3View)]
else:
    RDFVIEWS = []

class ViewSelectorTC(CubicWebTC):

    def setup_database(self):
        with self.admin_access.repo_cnx() as cnx:
            cnx.create_entity('BlogEntry', title=u"une news !", content=u"cubicweb c'est beau")
            cnx.create_entity('Bookmark', title=u"un signet !", path=u"view?vid=index")
            cnx.create_entity('EmailAddress', address=u"devel@logilab.fr", alias=u'devel')
            cnx.create_entity('Tag', name=u'x')
            cnx.commit()

class VRegistryTC(ViewSelectorTC):
    """test the view selector"""

    def _test_registered(self, registry, content):
        try:
            expected = getattr(self, 'all_%s' % registry)
        except AttributeError:
            return
        if registry == 'hooks':
            self.assertEqual(len(content), expected, content)
            return
        try:
            self.assertSetEqual(list(content), expected)
        except Exception:
            print registry, sorted(expected), sorted(content)
            print 'no more', [v for v in expected if not v in content]
            print 'missing', [v for v in content if not v in expected]
            raise

    def setUp(self):
        super(VRegistryTC, self).setUp()
        assert self.vreg['views']['propertiesform']

    def test_possible_views_none_rset(self):
        with self.admin_access.web_request() as req:
            self.assertListEqual(self.pviews(req, None),
                                 [('cw.sources-management', cwsources.CWSourcesManagementView),
                                  ('cw.users-and-groups-management', cwuser.UsersAndGroupsManagementView),
                                  ('gc', debug.GCView),
                                  ('index', startup.IndexView),
                                  ('info', debug.ProcessInformationView),
                                  ('manage', startup.ManageView),
                                  ('owl', owl.OWLView),
                                  ('propertiesform', cwproperties.CWPropertiesForm),
                                  ('registry', debug.RegistryView),
                                  ('schema', schema.SchemaView),
                                  ('siteinfo', debug.SiteInfoView),
                                  ('systempropertiesform', cwproperties.SystemCWPropertiesForm),
                                  ('undohistory', undohistory.UndoHistoryView)])

    def test_possible_views_noresult(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('Any X WHERE X eid 999999')
            self.assertListEqual(self.pviews(req, rset),
                    [('csvexport', csvexport.CSVRsetView),
                     ('ecsvexport', csvexport.CSVEntityView),
                     ('ejsonexport', json.JsonEntityView),
                     ('jsonexport', json.JsonRsetView),
                     ])

    def test_possible_views_one_egroup(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('CWGroup X WHERE X name "managers"')
            self.assertCountEqual(self.pviews(req, rset),
                                  RDFVIEWS +
                                  [('csvexport', csvexport.CSVRsetView),
                                   ('ecsvexport', csvexport.CSVEntityView),
                                   ('ejsonexport', json.JsonEntityView),
                                   ('filetree', treeview.FileTreeView),
                                   ('jsonexport', json.JsonRsetView),
                                   ('list', baseviews.ListView),
                                   ('oneline', baseviews.OneLineView),
                                   ('owlabox', owl.OWLABOXView),
                                   ('primary', cwuser.CWGroupPrimaryView),
                                   ('rsetxml', xmlrss.XMLRsetView),
                                   ('rss', xmlrss.RSSView),
                                   ('sameetypelist', baseviews.SameETypeListView),
                                   ('security', management.SecurityManagementView),
                                   ('table', tableview.RsetTableView),
                                   ('text', baseviews.TextView),
                                   ('treeview', treeview.TreeView),
                                   ('xbel', xbel.XbelView),
                                   ('xml', xmlrss.XMLView)])

    def test_possible_views_multiple_egroups(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('CWGroup X')
            self.assertCountEqual(self.pviews(req, rset),
                                  RDFVIEWS +
                                  [('csvexport', csvexport.CSVRsetView),
                                   ('ecsvexport', csvexport.CSVEntityView),
                                   ('ejsonexport', json.JsonEntityView),
                                   ('filetree', treeview.FileTreeView),
                                   ('jsonexport', json.JsonRsetView),
                                   ('list', baseviews.ListView),
                                   ('oneline', baseviews.OneLineView),
                                   ('owlabox', owl.OWLABOXView),
                                   ('primary', cwuser.CWGroupPrimaryView),
                                   ('rsetxml', xmlrss.XMLRsetView),
                                   ('rss', xmlrss.RSSView),
                                   ('sameetypelist', baseviews.SameETypeListView),
                                   ('security', management.SecurityManagementView),
                                   ('table', tableview.RsetTableView),
                                   ('text', baseviews.TextView),
                                   ('treeview', treeview.TreeView),
                                   ('xbel', xbel.XbelView),
                                   ('xml', xmlrss.XMLView),
                                   ])

    def test_propertiesform_admin(self):
        assert self.vreg['views']['propertiesform']
        with self.admin_access.web_request() as req:
            rset1 = req.execute('CWUser X WHERE X login "admin"')
            self.assertTrue(self.vreg['views'].select('propertiesform', req, rset=None))
            self.assertTrue(self.vreg['views'].select('propertiesform', req, rset=rset1))
            rset2 = req.execute('CWUser X WHERE X login "anon"')
            self.assertTrue(self.vreg['views'].select('propertiesform', req, rset=rset2))

    def test_propertiesform_anon(self):
        with self.new_access(u'anon').web_request() as req:
            rset1 = req.execute('CWUser X WHERE X login "admin"')
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'propertiesform', req, rset=None)
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'propertiesform', req, rset=rset1)
            rset2 = req.execute('CWUser X WHERE X login "anon"')
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'propertiesform', req, rset=rset2)

    def test_propertiesform_jdoe(self):
        with self.admin_access.repo_cnx() as cnx:
            self.create_user(cnx, u'jdoe')
            cnx.commit()
        with self.new_access(u'jdoe').web_request() as req:
            rset1 = req.execute('CWUser X WHERE X login "admin"')
            rset2 = req.execute('CWUser X WHERE X login "jdoe"')
            self.assertTrue(self.vreg['views'].select('propertiesform', req, rset=None))
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'propertiesform', req, rset=rset1)
            self.assertTrue(self.vreg['views'].select('propertiesform', req, rset=rset2))

    def test_possible_views_multiple_different_types(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('Any X')
            self.assertCountEqual(self.pviews(req, rset),
                                  RDFVIEWS +
                                  [('csvexport', csvexport.CSVRsetView),
                                   ('ecsvexport', csvexport.CSVEntityView),
                                   ('ejsonexport', json.JsonEntityView),
                                   ('filetree', treeview.FileTreeView),
                                   ('jsonexport', json.JsonRsetView),
                                   ('list', baseviews.ListView),
                                   ('oneline', baseviews.OneLineView),
                                   ('owlabox', owl.OWLABOXView),
                                   ('primary', primary.PrimaryView),
                                   ('rsetxml', xmlrss.XMLRsetView),
                                   ('rss', xmlrss.RSSView),
                                   ('security', management.SecurityManagementView),
                                   ('table', tableview.RsetTableView),
                                   ('text', baseviews.TextView),
                                   ('treeview', treeview.TreeView),
                                   ('xbel', xbel.XbelView),
                                   ('xml', xmlrss.XMLView),
                                  ])

    def test_possible_views_any_rset(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('Any N, X WHERE X in_group Y, Y name N')
            self.assertListEqual(self.pviews(req, rset),
                                 [('csvexport', csvexport.CSVRsetView),
                                  ('jsonexport', json.JsonRsetView),
                                  ('rsetxml', xmlrss.XMLRsetView),
                                  ('table', tableview.RsetTableView),
                                  ])

    def test_possible_views_multiple_eusers(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('CWUser X')
            self.assertCountEqual(self.pviews(req, rset),
                                  RDFVIEWS +
                                  [('csvexport', csvexport.CSVRsetView),
                                   ('ecsvexport', csvexport.CSVEntityView),
                                   ('ejsonexport', json.JsonEntityView),
                                   ('filetree', treeview.FileTreeView),
                                   ('foaf', cwuser.FoafView),
                                   ('jsonexport', json.JsonRsetView),
                                   ('list', baseviews.ListView),
                                   ('oneline', baseviews.OneLineView),
                                   ('owlabox', owl.OWLABOXView),
                                   ('primary', primary.PrimaryView),
                                   ('rsetxml', xmlrss.XMLRsetView),
                                   ('rss', xmlrss.RSSView),
                                   ('sameetypelist', baseviews.SameETypeListView),
                                   ('security', management.SecurityManagementView),
                                   ('table', tableview.RsetTableView),
                                   ('text', baseviews.TextView),
                                   ('treeview', treeview.TreeView),
                                   ('vcard', vcard.VCardCWUserView),
                                   ('xbel', xbel.XbelView),
                                   ('xml', xmlrss.XMLView),
                                   ])

    def test_possible_actions_none_rset(self):
        with self.admin_access.web_request() as req:
            self.assertDictEqual(self.pactionsdict(req, None, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'footer': FOOTERACTIONS})

    def test_possible_actions_no_entity(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('Any X WHERE X eid 999999')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  })

    def test_possible_actions_same_type_entities(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('CWGroup X')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  'mainactions': [actions.MultipleEditAction],
                                  'moreactions': [actions.DeleteAction,
                                                  actions.AddNewAction]})

    def test_possible_actions_different_types_entities(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('Any X')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  'moreactions': [actions.DeleteAction],
                                  })

    def test_possible_actions_final_entities(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('Any N, X WHERE X in_group Y, Y name N')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  })

    def test_possible_actions_eetype_cwuser_entity(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('CWEType X WHERE X name "CWUser"')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  'mainactions': [actions.ModifyAction,
                                                  actions.ViewSameCWEType],
                                  'moreactions': [actions.ManagePermissionsAction,
                                                  actions.AddRelatedActions,
                                                  actions.DeleteAction,
                                                  actions.CopyAction,
                                                  ],
                                  })


    def test_select_creation_form(self):
        rset = None
        with self.admin_access.web_request() as req:
            # creation form
            req.form['etype'] = 'CWGroup'
            self.assertIsInstance(self.vreg['views'].select('creation', req, rset=rset),
                                  editforms.CreationFormView)

        with self.admin_access.web_request() as req:
            # custom creation form
            class CWUserCreationForm(editforms.CreationFormView):
                __select__ = specified_etype_implements('CWUser')

            self.vreg._loadedmods[__name__] = {}
            self.vreg.register(CWUserCreationForm)
            req.form['etype'] = 'CWUser'

            self.assertIsInstance(self.vreg['views'].select('creation', req, rset=rset),
                                  CWUserCreationForm)

    def test_select_view(self):
        # no entity
        rset = None
        with self.admin_access.web_request() as req:
            self.assertIsInstance(self.vreg['views'].select('index', req, rset=rset),
                                  startup.IndexView)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'primary', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'table', req, rset=rset)

            # no entity
            rset = req.execute('Any X WHERE X eid 999999')
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'index', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'creation', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'primary', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'table', req, rset=rset)
            # one entity
            rset = req.execute('CWGroup X WHERE X name "managers"')
            self.assertIsInstance(self.vreg['views'].select('primary', req, rset=rset),
                                  primary.PrimaryView)
            self.assertIsInstance(self.vreg['views'].select('list', req, rset=rset),
                                  baseviews.ListView)
            self.assertIsInstance(self.vreg['views'].select('edition', req, rset=rset),
                                  editforms.EditionFormView)
            self.assertIsInstance(self.vreg['views'].select('table', req, rset=rset),
                                  tableview.RsetTableView)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'creation', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'index', req, rset=rset)
            # list of entities of the same type
            rset = req.execute('CWGroup X')
            self.assertIsInstance(self.vreg['views'].select('primary', req, rset=rset),
                                  primary.PrimaryView)
            self.assertIsInstance(self.vreg['views'].select('list', req, rset=rset),
                                  baseviews.ListView)
            self.assertIsInstance(self.vreg['views'].select('table', req, rset=rset),
                                  tableview.RsetTableView)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'creation', req, rset=rset)
            # list of entities of different types
            rset = req.execute('Any X')
            self.assertIsInstance(self.vreg['views'].select('primary', req, rset=rset),
                                  primary.PrimaryView)
            self.assertIsInstance(self.vreg['views'].select('list', req, rset=rset),
                                  baseviews.ListView)
            self.assertIsInstance(self.vreg['views'].select('table', req, rset=rset),
                                  tableview.RsetTableView)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'creation', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'index', req, rset=rset)
            # whatever
            rset = req.execute('Any N, X WHERE X in_group Y, Y name N')
            self.assertIsInstance(self.vreg['views'].select('table', req, rset=rset),
                                  tableview.RsetTableView)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'index', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'creation', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'primary', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'list', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'edition', req, rset=rset)
            # mixed query
            rset = req.execute('Any U,G WHERE U is CWUser, G is CWGroup')
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'edition', req, rset=rset)
            self.assertRaises(NoSelectableObject,
                              self.vreg['views'].select, 'creation', req, rset=rset)
            self.assertIsInstance(self.vreg['views'].select('table', req, rset=rset),
                                  tableview.RsetTableView)

    def test_interface_selector(self):
        with self.admin_access.web_request() as req:
            req.create_entity('File', data_name=u'bim.png', data=Binary('bim'))
            # image primary view priority
            rset = req.execute('File X WHERE X data_name "bim.png"')
            self.assertIsInstance(self.vreg['views'].select('primary', req, rset=rset),
                                  idownloadable.IDownloadablePrimaryView)


    def test_score_entity_selector(self):
        with self.admin_access.web_request() as req:
            req.create_entity('File', data_name=u'bim.png', data=Binary('bim'))
            # image/ehtml primary view priority
            rset = req.execute('File X WHERE X data_name "bim.png"')
            self.assertIsInstance(self.vreg['views'].select('image', req, rset=rset),
                                  idownloadable.ImageView)
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'ehtml', req, rset=rset)

            fileobj = req.create_entity('File', data_name=u'bim.html', data=Binary('<html>bam</html'))
            # image/ehtml primary view priority
            rset = req.execute('File X WHERE X data_name "bim.html"')
            self.assertIsInstance(self.vreg['views'].select('ehtml', req, rset=rset),
                                  idownloadable.EHTMLView)
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'image', req, rset=rset)

            fileobj = req.create_entity('File', data_name=u'bim.txt', data=Binary('boum'))
            # image/ehtml primary view priority
            rset = req.execute('File X WHERE X data_name "bim.txt"')
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'image', req, rset=rset)
            self.assertRaises(NoSelectableObject, self.vreg['views'].select, 'ehtml', req, rset=rset)


    def _test_view(self, vid, rql, args):
        with self.admin_access.web_request() as req:
            if rql is None:
                rset = None
            else:
                rset = req.execute(rql)
            try:
                obj = self.vreg['views'].select(vid, req, rset=rset, **args)
                return obj.render(**args)
            except Exception:
                print vid, rset, args
                raise

    def test_form(self):
        for vid, rql, args in (
            #('creation', 'Any X WHERE X eid 999999', {}),
            ('edition', 'CWGroup X WHERE X name "managers"', {}),
            ('copy', 'CWGroup X WHERE X name "managers"', {}),
            ('muledit', 'CWGroup X', {}),
            #('muledit', 'Any X', {}),
            ):
            self._test_view(vid, rql, args)


    def test_properties(self):
        self.assertEqual(sorted(k for k in self.vreg['propertydefs'].iterkeys()
                                if k.startswith('ctxcomponents.edit_box')),
                         ['ctxcomponents.edit_box.context',
                          'ctxcomponents.edit_box.order',
                          'ctxcomponents.edit_box.visible'])
        self.assertEqual([k for k in self.vreg['propertyvalues'].iterkeys()
                          if not k.startswith('system.version')],
                         [])
        self.assertEqual(self.vreg.property_value('ctxcomponents.edit_box.visible'), True)
        self.assertEqual(self.vreg.property_value('ctxcomponents.edit_box.order'), 2)
        self.assertEqual(self.vreg.property_value('ctxcomponents.possible_views_box.visible'), False)
        self.assertEqual(self.vreg.property_value('ctxcomponents.possible_views_box.order'), 10)
        self.assertRaises(UnknownProperty, self.vreg.property_value, 'ctxcomponents.actions_box')



class CWETypeRQLAction(Action):
    __regid__ = 'testaction'
    __select__ = is_instance('CWEType') & rql_condition('X name "CWEType"')
    title = 'bla'


class RQLActionTC(ViewSelectorTC):

    def setUp(self):
        super(RQLActionTC, self).setUp()
        self.vreg._loadedmods[__name__] = {}
        self.vreg.register(CWETypeRQLAction)
        actionsreg = self.vreg['actions']
        actionsreg['testaction'][0].__registered__(actionsreg)

    def tearDown(self):
        super(RQLActionTC, self).tearDown()
        del self.vreg['actions']['testaction']

    def test(self):
        with self.admin_access.web_request() as req:
            rset = req.execute('CWEType X WHERE X name "CWEType"')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'mainactions': [actions.ModifyAction, actions.ViewSameCWEType],
                                  'moreactions': [actions.ManagePermissionsAction,
                                                  actions.AddRelatedActions,
                                                  actions.DeleteAction,
                                                  actions.CopyAction,
                                                  CWETypeRQLAction,
                                                  ],
                                  })
            rset = req.execute('CWEType X WHERE X name "CWRType"')
            self.assertDictEqual(self.pactionsdict(req, rset, skipcategories=()),
                                 {'useractions': USERACTIONS,
                                  'siteactions': SITEACTIONS,
                                  'footer': FOOTERACTIONS,
                                  'manage': MANAGEACTIONS,
                                  'mainactions': [actions.ModifyAction, actions.ViewSameCWEType],
                                  'moreactions': [actions.ManagePermissionsAction,
                                                  actions.AddRelatedActions,
                                                  actions.DeleteAction,
                                                  actions.CopyAction,]
                                  })



if __name__ == '__main__':
    unittest_main()