ERP5Workflow: add permission/roles acquisition testing

bt5/erp5_workflow_test/TestTemplateItem/portal_components/test.erp5.testWorkflowAndDCWorkflow.py

@@ -262,17 +262,27 @@ class TestConvertedWorkflow(TestERP5WorkflowMixin):
     self.logMessage("    Verify permission roles dict on 'current' state")
     permission_roles_dict = workflow.state_current\
                               .getStatePermissionRolesDict()
-    self.tic()
-
     self.assertIn(permission, permission_roles_dict)
 
     self.logMessage("    Change roles for '" + permission +
-                    "' on state and update role list for permission ")
+                    "' on state and update role list for permission")
     permission_roles_dict[permission] = ['Assignor']
+    workflow.state_current.setAcquirePermissionList([])
+    workflow.updateRoleMappingsFor(text_document)
+    self.tic()
+
+    self.logMessage("    Check document permissions/roles mapping was updated "
+                   + "(it should be a tuple, as there is no acquisition)")
+    self.assertEqual(getattr(text_document, permission_key), ('Assignor',))
+
+    self.logMessage("    Configure acquisition for '" + permission +
+                    "' on state and update role list for permission")
+    workflow.state_current.setAcquirePermissionList([permission])
     workflow.updateRoleMappingsFor(text_document)
     self.tic()
 
-    self.logMessage("    Check document permissions/roles mapping was updated")
+    self.logMessage("    Check document permissions/roles mapping is now" +
+                    " a list (acquisition)")
     self.assertEqual(getattr(text_document, permission_key), ['Assignor'])
 
     self.logMessage("    Restore original configuration")