Added test business template and unit test

for the compatibility of PortalTypeWorkflowChainTemplateItem
installed with different version of code.

product/ERP5/tests/testBusinessTemplateCompatibilityWithPreviouslyInstalledVersion.py

+# -*- coding: utf-8 -*-
+##############################################################################
+#
+# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
+#          Aurelien Calonne <aurel@nexedi.com>
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# of the License, or (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+##############################################################################
+
+from Products.ERP5Type.tests.ERP5TypeTestCase import ERP5TypeTestCase
+from App.config import getConfiguration
+import shutil
+import os
+import tempfile
+from Products.ERP5.genbt5list import generateInformation
+from zLOG import LOG
+from Products.ERP5.Document.BusinessTemplate import PortalTypeWorkflowChainTemplateItem
+from copy import deepcopy
+from lxml.etree import parse
+from Products.ERP5Type.Globals import PersistentMapping
+from Products.ERP5.genbt5list import main as genbt5list
+
+
+def _old_portal_type_workflow_chain_template_item_preinstall(self, context, installed_item, **kw):
+  '''
+    version of PortalTypeWorkflowChainTemplateItem.preinstall 
+    copied from 8229186069c17a5454e024e1e664e2871b7f1576
+  '''
+  modified_object_list = {}
+  new_dict = PersistentMapping()
+  # Fix key from installed bt if necessary
+  for key, value in installed_item._objects.iteritems():
+    if not 'portal_type_workflow_chain/' in key:
+      key = 'portal_type_workflow_chain/%s' % (key)
+    new_dict[key] = value
+  if new_dict:
+    installed_item._objects = new_dict
+  for path in self._objects:
+    if path in installed_item._objects:
+      # compare object to see it there is changes
+      new_object = self._objects[path]
+      old_object = installed_item._objects[path]
+      if isinstance(new_object, str):
+        new_object = new_object.split(self._chain_string_separator)
+      if isinstance(old_object, str):
+        old_object = old_object.split(self._chain_string_separator)
+      new_object.sort()
+      old_object.sort()
+      if new_object != old_object:
+        modified_object_list.update({path : ['Modified', self.getTemplateTypeName()]})
+    else: # new object
+      modified_object_list.update({path : ['New', self.getTemplateTypeName()]})
+  # get removed object
+  for path in installed_item._objects:
+    if path not in self._objects:
+      modified_object_list.update({path : ['Removed', self.getTemplateTypeName()]})
+  return modified_object_list
+
+def _old_portal_type_workflow_chain_template_item_importFile(self, file_name, file):
+  '''
+    version of PortalTypeWorkflowChainTemplateItem._importFile 
+    copied from 8229186069c17a5454e024e1e664e2871b7f1576
+  '''
+  if not file_name.endswith('.xml'):
+    LOG('Business Template', 0, 'Skipping file "%s"' % (file_name, ))
+    return
+  # import workflow chain for portal_type
+  result_dict = {}
+  xml = parse(file)
+  chain_list = xml.findall('chain')
+  for chain in chain_list:
+    portal_type = chain.find('type').text
+    workflow_chain = chain.find('workflow').text or ''
+    if 'portal_type_workflow_chain/' not in portal_type:
+      key = 'portal_type_workflow_chain/%s' % (portal_type,)
+    else:
+      key = portal_type
+    result_dict[key] = workflow_chain.split(self._chain_string_separator)
+  self._objects = result_dict
+
+class TestBusinessTemplateCompatibilityWithPreviouslyInstalledVersion(ERP5TypeTestCase):
+
+  def test_compatibility_on_portal_type_workflow_chain_template_item(self):
+    current_preinstall = deepcopy(PortalTypeWorkflowChainTemplateItem.preinstall)
+    current_importFile = deepcopy(PortalTypeWorkflowChainTemplateItem.importFile)
+    old_preinstall = _old_portal_type_workflow_chain_template_item_preinstall
+    old_importFile = _old_portal_type_workflow_chain_template_item_importFile
+
+    # set PortalTypeWorkflowChainTemplateItem to old version
+    PortalTypeWorkflowChainTemplateItem.preinstall = old_preinstall
+    PortalTypeWorkflowChainTemplateItem._importFile = old_importFile
+
+    # import and install test business template
+    repository_path = os.path.join(os.path.dirname(__file__), 'test_data')
+    template_path = os.path.join(repository_path,
+      'BusinessTemplate_test_compatibility_with_previously_installed_version')
+
+    self.template_tool = self.getTemplateTool()
+    import_template = self.template_tool.download(url='file:'+template_path)
+    import_template.install(force=1)
+
+    # check that the workflow chain was installed in the portal correctly
+    pw = self.getWorkflowTool()
+    foo_chain = pw._chains_by_type['Foo']
+    self.assertEquals(len(foo_chain), 1)
+    self.assertEquals(foo_chain[0], 'edit_workflow')
+
+    # check that modified_object_list is empty (maybe not needed here)
+    modified_object_list = import_template.preinstall(check_dependencies = 0)
+    self.assertEquals(len(modified_object_list), 0)
+
+    # set PortalTypeWorkflowChainTemplateItem to current version
+    PortalTypeWorkflowChainTemplateItem.preinstall = current_preinstall
+    PortalTypeWorkflowChainTemplateItem._importFile = current_importFile
+
+    # check that modified_object_list is empty
+    modified_object_list = import_template.preinstall(check_dependencies = 0)
+    self.assertEquals(len(modified_object_list), 0)

product/ERP5/tests/test_data/BusinessTemplate_test_compatibility_with_previously_installed_version/PortalTypeTemplateItem/portal_types/Foo.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Base Type" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Foo</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Foo Type</string> </value>
+        </item>
+        <item>
+            <key> <string>type_class</string> </key>
+            <value> <string>XMLObject</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

product/ERP5/tests/test_data/BusinessTemplate_test_compatibility_with_previously_installed_version/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml

+<workflow_chain>
+ <chain>
+  <type>Foo</type>
+  <workflow>edit_workflow</workflow>
+ </chain>
+</workflow_chain>

product/ERP5/tests/test_data/BusinessTemplate_test_compatibility_with_previously_installed_version/bt/template_format_version

+1
\ No newline at end of file

product/ERP5/tests/test_data/BusinessTemplate_test_compatibility_with_previously_installed_version/bt/template_portal_type_id_list

+Foo
\ No newline at end of file

product/ERP5/tests/test_data/BusinessTemplate_test_compatibility_with_previously_installed_version/bt/template_portal_type_workflow_chain_list

+Foo | edit_workflow

product/ERP5/tests/test_data/BusinessTemplate_test_compatibility_with_previously_installed_version/bt/title

+BusinessTemplate_test_compatibility_with_previously_installed_version
\ No newline at end of file