add a begining for spell checking tests. More work is required on this topic. The

first goal is to add test method dynamically (like testXHTML) to test all
workflow states. This will permit to close the #691 bug.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40060 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testSpellChecking.py

+# -*- coding: utf-8 -*-
+##############################################################################
+#
+# Copyright (c) 2010 Nexedi SA and Contributors. All Rights Reserved.
+#               Fabien Morin <fabien@nexedi.com
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsability 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
+# garantees 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
+# as published by the Free Software Foundation; either version 2
+# 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.
+#
+##############################################################################
+
+import unittest
+from Products.ERP5.tests.testXHTML import TestXHTML
+from Products.ERP5Type.tests.ERP5TypeTestCase import ERP5TypeTestCase
+import popen2
+
+class aspell:
+    def __init__(self):
+        self._f = popen2.Popen3("aspell -l en_GB -a")
+        self._f.fromchild.readline() #skip the credit line
+    def __call__(self, words):
+        words = words.split(' ')
+        output = []
+        for word in words:
+            self._f.tochild.write(word+'\n')
+            self._f.tochild.flush()
+            s = self._f.fromchild.readline().strip()
+            self._f.fromchild.readline() #skip the blank line
+            if s == "*":
+                output.append(None)
+            elif s[0] == '#':
+                output.append("No Suggestions")
+            else:
+                output.append(s.split(':')[1].strip().split(', '))
+        return output
+
+class TestSpellChecking(ERP5TypeTestCase):
+
+  run_all_test = 1
+  spellChecker = aspell()
+
+  def getTitle(self):
+    return "Spell Checking Test"
+
+  def getBusinessTemplateList(self):
+    return (
+      'erp5_base',)
+
+  def validate_spell(self, word):
+    '''
+      validate the spell. Return True if the word is well spelled, False else,
+      whith an error message
+    '''
+    result = self.spellChecker(word)
+    message = ''
+    if result != [None] and result != ['No Suggestions']:
+      message = '"%s" is missspelled, suggestion are : "%s"' % \
+          (word, '", "'.join(result[0]))
+    if result == ['No Suggestions']:
+      message = '"%s" is missspelled, there is no suggestion.' % word
+    return result == [None], message
+
+  def test_checkSpellChecker(self):
+    # check a well spelled world
+    self.assertEquals((self.validate_spell('cancelled')), (True, ''))
+
+    # check some suggestion are given for a small mistake
+    self.assertEquals(self.validate_spell('canceled')[0], False)
+    self.assertTrue(len(self.validate_spell('canceled')[1]) > 0)
+
+    # check no suggestion are given for a very bad spelled word
+    self.assertEquals(self.validate_spell('cancelefqfdsqfdsfqdsf')[0], False)
+    self.assertTrue('no suggestion' in self.validate_spell('cancelefqfdsqfdsfqdsf')[1])
+
+def test_suite():
+  suite = unittest.TestSuite()
+  suite.addTest(unittest.makeSuite(TestSpellChecking))
+  return suite