/usr/share/pyshared/zope/index/text/tests/test_cosineindex.py is in python-zope.index 3.6.4-0ubuntu1.
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#
# Copyright (c) 2002, 2009 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Text Index Tests
"""
import unittest
class CosineIndexTestBase:
# Subclasses must define '_getBTreesFamily'
def _getTargetClass(self):
from zope.index.text.cosineindex import CosineIndex
return CosineIndex
def _makeOne(self):
from zope.index.text.lexicon import Lexicon
from zope.index.text.lexicon import Splitter
lexicon = Lexicon(Splitter())
return self._getTargetClass()(lexicon, family=self._getBTreesFamily())
def test_class_conforms_to_IInjection(self):
from zope.interface.verify import verifyClass
from zope.index.interfaces import IInjection
verifyClass(IInjection, self._getTargetClass())
def test_instance_conforms_to_IInjection(self):
from zope.interface.verify import verifyObject
from zope.index.interfaces import IInjection
verifyObject(IInjection, self._makeOne())
def test_class_conforms_to_IStatistics(self):
from zope.interface.verify import verifyClass
from zope.index.interfaces import IStatistics
verifyClass(IStatistics, self._getTargetClass())
def test_instance_conforms_to_IStatistics(self):
from zope.interface.verify import verifyObject
from zope.index.interfaces import IStatistics
verifyObject(IStatistics, self._makeOne())
def test_class_conforms_to_ILexiconBasedIndex(self):
from zope.interface.verify import verifyClass
from zope.index.text.interfaces import ILexiconBasedIndex
verifyClass(ILexiconBasedIndex, self._getTargetClass())
def test_instance_conforms_to_ILexiconBasedIndex(self):
from zope.interface.verify import verifyObject
from zope.index.text.interfaces import ILexiconBasedIndex
verifyObject(ILexiconBasedIndex, self._makeOne())
def test_class_conforms_to_IExtendedQuerying(self):
from zope.interface.verify import verifyClass
from zope.index.text.interfaces import IExtendedQuerying
verifyClass(IExtendedQuerying, self._getTargetClass())
def test_instance_conforms_to_IExtendedQuerying(self):
from zope.interface.verify import verifyObject
from zope.index.text.interfaces import IExtendedQuerying
verifyObject(IExtendedQuerying, self._makeOne())
def test__search_wids_empty_wids(self):
index = self._makeOne()
index.index_doc(1, 'one two three')
self.assertEqual(index._search_wids(()), [])
def test__search_wids_non_empty_wids(self):
TEXT = 'one two three'
index = self._makeOne()
index.index_doc(1, TEXT )
wids = [index._lexicon._wids[x] for x in TEXT.split()]
relevances = index._search_wids(wids)
self.assertEqual(len(relevances), len(wids))
for relevance in relevances:
self.failUnless(isinstance(relevance[0], index.family.IF.Bucket))
self.assertEqual(len(relevance[0]), 1)
self.failUnless(isinstance(relevance[0][1], float))
self.failUnless(isinstance(relevance[1], float))
def test_query_weight_empty_wids(self):
index = self._makeOne()
index.index_doc(1, 'one two three')
self.assertEqual(index.query_weight(()), 0.0)
def test_query_weight_oov_wids(self):
index = self._makeOne()
index.index_doc(1, 'one two three')
self.assertEqual(index.query_weight(['nonesuch']), 0.0)
def test_query_weight_hit_single_occurence(self):
index = self._makeOne()
index.index_doc(1, 'one two three')
self.failUnless(0.0 < index.query_weight(['one']) < 1.0)
def test_query_weight_hit_multiple_occurences(self):
index = self._makeOne()
index.index_doc(1, 'one one two three one')
self.failUnless(0.0 < index.query_weight(['one']) < 1.0)
class CosineIndexTest32(CosineIndexTestBase, unittest.TestCase):
def _getBTreesFamily(self):
import BTrees
return BTrees.family32
class CosineIndexTest64(CosineIndexTestBase, unittest.TestCase):
def _getBTreesFamily(self):
import BTrees
return BTrees.family64
def test_suite():
return unittest.TestSuite((
unittest.makeSuite(CosineIndexTest32),
unittest.makeSuite(CosineIndexTest64),
))
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