How to use the workflows.utils.get_workflow function in workflows

def test_workflow(self):
        """
        """
        workflows.utils.set_workflow(self.user, self.w)
        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, self.w)

def test_remove_workflow_1(self):
        """Removes workflow from model
        """
        ctype = ContentType.objects.get_for_model(self.user)

        result = workflows.utils.get_workflow(ctype)
        self.assertEqual(result, None)

        workflows.utils.set_workflow_for_model(ctype, self.w)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, self.w)

        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, self.w)

        workflows.utils.remove_workflow(ctype)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, None)

        result = workflows.utils.get_workflow_for_object(self.user)
        self.assertEqual(result, None)

def test_remove_workflow_from_model(self):
        """
        """
        ctype = ContentType.objects.get_for_model(self.user)

        result = workflows.utils.get_workflow(ctype)
        self.assertEqual(result, None)

        workflows.utils.set_workflow_for_model(ctype, self.w)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, self.w)

        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, self.w)

        workflows.utils.remove_workflow_from_model(ctype)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, None)

        result = workflows.utils.get_workflow_for_object(self.user)

def test_get_workflow_for_object(self):
        """
        """
        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, None)
        
        # Set workflow for a user
        workflows.utils.set_workflow_for_object(self.user, self.w)
        
        # Get workflow for the user        
        result = workflows.utils.get_workflow_for_object(self.user)
        self.assertEqual(result, self.w)

        # Set workflow for a FlatPage
        page_1 = FlatPage.objects.create(url="/page-1/", title="Page 1")
        workflows.utils.set_workflow_for_object(page_1, self.w)

        result = workflows.utils.get_workflow_for_object(self.user)
        self.assertEqual(result, self.w)

def test_remove_workflow_from_model(self):
        """
        """
        ctype = ContentType.objects.get_for_model(self.user)

        result = workflows.utils.get_workflow(ctype)
        self.assertEqual(result, None)

        workflows.utils.set_workflow_for_model(ctype, self.w)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, self.w)

        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, self.w)

        workflows.utils.remove_workflow_from_model(ctype)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, None)

        result = workflows.utils.get_workflow_for_object(self.user)
        self.assertEqual(result, None)

def test_remove_workflow_1(self):
        """Removes workflow from model
        """
        ctype = ContentType.objects.get_for_model(self.user)

        result = workflows.utils.get_workflow(ctype)
        self.assertEqual(result, None)

        workflows.utils.set_workflow_for_model(ctype, self.w)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, self.w)

        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, self.w)

        workflows.utils.remove_workflow(ctype)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, None)

        result = workflows.utils.get_workflow_for_object(self.user)

self.assertEqual(result, None)

        wp = Workflow.objects.create(name="Portal")

        # Set for model
        workflows.utils.set_workflow_for_model(ctype, wp)

        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, wp)

        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, wp)

        # Set for object
        workflows.utils.set_workflow_for_object(self.user, self.w)
        result = workflows.utils.get_workflow(self.user)
        self.assertEqual(result, self.w)

        # The model still have wp
        result = workflows.utils.get_workflow_for_model(ctype)
        self.assertEqual(result, wp)

def get_workflow(self):
        """Returns the current workflow of the object.
        """
        return workflows.utils.get_workflow(self)

def get_objects(self):
        """Returns all objects which have this workflow assigned. Globally
        (via the object's content type) or locally (via the object itself).
        """
        import workflows.utils
        objs = []

        # Get all objects whose content type has this workflow
        for wmr in WorkflowModelRelation.objects.filter(workflow=self):
            ctype = wmr.content_type
            # We have also to check whether the global workflow is not
            # overwritten.
            for obj in ctype.model_class().objects.all():
                if workflows.utils.get_workflow(obj) == self:
                    objs.append(obj)

        # Get all objects whose local workflow this workflow
        for wor in WorkflowObjectRelation.objects.filter(workflow=self):
            if wor.content not in objs:
                objs.append(wor.content)

        return objs