LP #142478: normalize terms passed to ``PLexicon.queryLexicon``

o Use the lexicon's pipeline (e.g., case flattening, stop word removal, etc.).

doc/CHANGES.rst

@@ -8,6 +8,12 @@ http://docs.zope.org/zope2/releases/.
 2.12.5 (unreleased)
 -------------------
 
+Bugs Fixed
+++++++++++
+
+- LP #142478:  normalize terms passed to ``PLexicon.queryLexicon`` using
+  the lexicon's pipeline (e.g., case flattening, stop word removal, etc.)
+
 
 2.12.4 (2010-04-05)
 -------------------

src/Products/ZCTextIndex/ZCTextIndex.py

@@ -358,7 +358,7 @@ class PLexicon(Lexicon, Implicit, SimpleItem):
         """
         if words:
             wids = []
-            for word in words:
+            for word in self.parseTerms(words):
                 wids.extend(self.globToWordIds(word))
             words = [self.get_word(wid) for wid in wids]
         else:

src/Products/ZCTextIndex/tests/testZCTextIndex.py

@@ -691,6 +691,21 @@ class PLexiconTests(unittest.TestCase):
         self.assertEqual(list(info['page_range']), [0])
         self.assertEqual(info['page_columns'], [['aaa', 'bbb']])
 
+    def test_queryLexicon_uses_pipeline_for_normalization(self):
+        from Products.ZCTextIndex.Lexicon import CaseNormalizer
+        WORDS = 'aaa bbb ccc ddd eee fff ggg'.split()
+        lexicon = self._makeOne('test', 'Testing', CaseNormalizer())
+        lexicon.sourceToWordIds(WORDS)
+        info = lexicon.queryLexicon(REQUEST=None, words=['AA*', 'Bbb*'])
+        self.assertEqual(info['page'], 0)
+        self.assertEqual(info['rows'], 20)
+        self.assertEqual(info['cols'], 4)
+        self.assertEqual(info['start_word'], 1)
+        self.assertEqual(info['end_word'], 2)
+        self.assertEqual(info['word_count'], 2)
+        self.assertEqual(list(info['page_range']), [0])
+        self.assertEqual(info['page_columns'], [['aaa', 'bbb']])
+
 
 def test_suite():
     s = unittest.TestSuite()