fix the problem noted in r28801, those test fails when running after TestItem,

because TestItem was changing global site preference.
Instead of modifying the site preference that will affect individual variation
of all products, set individual base category list on the product in createVariatedResource


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28829 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testItem.py

@@ -30,7 +30,6 @@ import unittest
 
 import transaction
 from DateTime import DateTime
-from Testing import ZopeTestCase
 from Products.ERP5Type.tests.ERP5TypeTestCase import ERP5TypeTestCase
 from Products.ERP5Type.tests.utils import reindex
 from AccessControl.SecurityManagement import newSecurityManager
@@ -79,20 +78,13 @@ class TestItemMixin(TestSaleInvoiceMixin):
     return resource
   
   def createVariatedResource(self,title=None):
-    preference = self.portal.portal_preferences
-    portal_workflow = self.portal.portal_workflow
-    pref = preference.newContent(portal_type='System Preference')
-    pref.setPreferredProductIndividualVariationBaseCategoryList(['size'])
-    portal_workflow.doActionFor(pref, 'enable_action')
-    transaction.commit()
-    self.tic()
-    
     resource_portal_type = 'Product'
     resource_module = self.portal.getDefaultModule(resource_portal_type)
     resource = resource_module.newContent(portal_type=resource_portal_type)
     resource.edit(
       title = "VariatedResource%s" % resource.getId(),
     )
+    resource.setIndividualVariationBaseCategoryList(('size',))
     resource.setQuantityUnit('unit/piece')
     resource.setAggregatedPortalTypeList('Item')
     resource.setRequiredAggregatedPortalTypeList('Item')
@@ -754,8 +746,6 @@ class TestItemScripts(ERP5TypeTestCase):
     return cell
 
   def test_Item_getVariationCategoryList(self):
-    ZopeTestCase._print("\nWARNING test_Item_getVariationCategoryList"
-      " fails when it is executed after TestItem, and with the same portal_id")
     self.assertEquals([], self.item.Item_getVariationCategoryList())
     self._makeSalePackingListCellWithVariation()
     self.assertEquals(['size/small'], self.item.Item_getVariationCategoryList())
@@ -763,8 +753,6 @@ class TestItemScripts(ERP5TypeTestCase):
         self.item.Item_getVariationCategoryList(at_date=DateTime() - 2))
 
   def test_Item_getVariationRangeCategoryItemList(self):
-    ZopeTestCase._print("\nWARNING test_Item_getVariationRangeCategoryItemList"
-      " fails when it is executed after TestItem, and with the same portal_id")
     self.assertEquals([], self.item.Item_getVariationRangeCategoryItemList())
     self._makeSalePackingListCellWithVariation()
     self.assertEquals([['Big', 'size/big'],