/usr/share/pyshared/zope/index/text/tests/test_baseindex.py is in python-zope.index 3.6.4-0ubuntu1.
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#
# Copyright (c) 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 BaseIndexTestBase:
# Subclasses must define '_getBTreesFamily'
def _getTargetClass(self):
from zope.index.text.baseindex import BaseIndex
return BaseIndex
def _makeOne(self, family=None):
from zope.index.text.lexicon import Lexicon
from zope.index.text.lexicon import Splitter
if family is None:
family = self._getBTreesFamily()
lexicon = Lexicon(Splitter())
return self._getTargetClass()(lexicon, family=family)
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_empty(self):
index = self._makeOne()
self.assertEqual(len(index._wordinfo), 0)
self.assertEqual(len(index._docweight), 0)
self.assertEqual(len(index._docwords), 0)
self.assertEqual(index.wordCount(), 0)
self.assertEqual(index.documentCount(), 0)
self.failIf(index.has_doc(1))
def test_clear_doesnt_lose_family(self):
import BTrees
index = self._makeOne(family=BTrees.family64)
index.clear()
self.failUnless(index.family is BTrees.family64)
def test_wordCount_method_raises_NotImplementedError(self):
class DerviedDoesntSet_wordCount(self._getTargetClass()):
def __init__(self):
pass
index = DerviedDoesntSet_wordCount()
self.assertRaises(NotImplementedError, index.wordCount)
def test_documentCount_method_raises_NotImplementedError(self):
class DerviedDoesntSet_documentCount(self._getTargetClass()):
def __init__(self):
pass
index = DerviedDoesntSet_documentCount()
self.assertRaises(NotImplementedError, index.documentCount)
def test_index_doc_simple(self):
index = self._makeOne()
# Fake out _get_frequencies, which is supposed to be overridden.
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
count = index.index_doc(1, 'one two three')
self.assertEqual(count, 3)
self.assertEqual(index.wordCount(), 3)
self.failUnless(index._lexicon._wids['one'] in index._wordinfo)
self.failUnless(index._lexicon._wids['two'] in index._wordinfo)
self.failUnless(index._lexicon._wids['three'] in index._wordinfo)
self.assertEqual(index.documentCount(), 1)
self.failUnless(index.has_doc(1))
self.failUnless(1 in index._docwords)
self.failUnless(1 in index._docweight)
wids = index.get_words(1)
self.assertEqual(len(wids), 3)
self.failUnless(index._lexicon._wids['one'] in wids)
self.failUnless(index._lexicon._wids['two'] in wids)
self.failUnless(index._lexicon._wids['three'] in wids)
def test_index_doc_existing_docid(self):
index = self._makeOne()
# Fake out _get_frequencies, which is supposed to be overridden.
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
count = index.index_doc(1, 'two three four')
self.assertEqual(count, 3)
self.assertEqual(index.wordCount(), 3)
self.failIf(index._lexicon._wids['one'] in index._wordinfo)
self.failUnless(index._lexicon._wids['two'] in index._wordinfo)
self.failUnless(index._lexicon._wids['three'] in index._wordinfo)
self.failUnless(index._lexicon._wids['four'] in index._wordinfo)
wids = index.get_words(1)
self.assertEqual(len(wids), 3)
self.failIf(index._lexicon._wids['one'] in wids)
self.failUnless(index._lexicon._wids['two'] in wids)
self.failUnless(index._lexicon._wids['three'] in wids)
self.failUnless(index._lexicon._wids['four'] in wids)
def test_index_doc_upgrades_wordCount_documentCount(self):
index = self._makeOne()
# Simulate old instances which didn't have these as attributes
del index.wordCount
del index.documentCount
# Fake out _get_frequencies, which is supposed to be overridden.
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
count = index.index_doc(1, 'one two three')
self.assertEqual(count, 3)
self.assertEqual(index.wordCount(), 3)
self.assertEqual(index.documentCount(), 1)
def test__reindex_doc_identity(self):
index = self._makeOne()
# Fake out _get_frequencies, which is supposed to be overridden.
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
# Don't mutate _wordinfo if no changes
def _dont_go_here(*args, **kw):
assert 0
index._add_wordinfo = index._del_wordinfo = _dont_go_here
count = index._reindex_doc(1, 'one two three')
self.assertEqual(count, 3)
self.assertEqual(index.wordCount(), 3)
self.failUnless(index._lexicon._wids['one'] in index._wordinfo)
self.failUnless(index._lexicon._wids['two'] in index._wordinfo)
self.failUnless(index._lexicon._wids['three'] in index._wordinfo)
wids = index.get_words(1)
self.assertEqual(len(wids), 3)
self.failUnless(index._lexicon._wids['one'] in wids)
self.failUnless(index._lexicon._wids['two'] in wids)
self.failUnless(index._lexicon._wids['three'] in wids)
def test__reindex_doc_disjoint(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
# Fake out _get_frequencies, which is supposed to be overridden.
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
count = index._reindex_doc(1, 'four five six')
self.assertEqual(count, 3)
self.assertEqual(index.wordCount(), 3)
self.failIf(index._lexicon._wids['one'] in index._wordinfo)
self.failIf(index._lexicon._wids['two'] in index._wordinfo)
self.failIf(index._lexicon._wids['three'] in index._wordinfo)
self.failUnless(index._lexicon._wids['four'] in index._wordinfo)
self.failUnless(index._lexicon._wids['five'] in index._wordinfo)
self.failUnless(index._lexicon._wids['six'] in index._wordinfo)
wids = index.get_words(1)
self.assertEqual(len(wids), 3)
self.failIf(index._lexicon._wids['one'] in wids)
self.failIf(index._lexicon._wids['two'] in wids)
self.failIf(index._lexicon._wids['three'] in wids)
self.failUnless(index._lexicon._wids['four'] in wids)
self.failUnless(index._lexicon._wids['five'] in wids)
self.failUnless(index._lexicon._wids['six'] in wids)
def test__reindex_doc_subset(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
# Fake out _get_frequencies, which is supposed to be overridden.
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
count = index._reindex_doc(1, 'two three')
self.assertEqual(count, 2)
self.assertEqual(index.wordCount(), 2)
self.failIf(index._lexicon._wids['one'] in index._wordinfo)
self.failUnless(index._lexicon._wids['two'] in index._wordinfo)
self.failUnless(index._lexicon._wids['three'] in index._wordinfo)
wids = index.get_words(1)
self.assertEqual(len(wids), 2)
self.failIf(index._lexicon._wids['one'] in wids)
self.failUnless(index._lexicon._wids['two'] in wids)
self.failUnless(index._lexicon._wids['three'] in wids)
def test__reindex_doc_superset(self): # TODO
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
# Fake out _get_frequencies, which is supposed to be overridden.
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
count = index._reindex_doc(1, 'one two three four five six')
self.assertEqual(count, 6)
self.assertEqual(index.wordCount(), 6)
self.failUnless(index._lexicon._wids['one'] in index._wordinfo)
self.failUnless(index._lexicon._wids['two'] in index._wordinfo)
self.failUnless(index._lexicon._wids['three'] in index._wordinfo)
self.failUnless(index._lexicon._wids['four'] in index._wordinfo)
self.failUnless(index._lexicon._wids['five'] in index._wordinfo)
self.failUnless(index._lexicon._wids['six'] in index._wordinfo)
wids = index.get_words(1)
self.assertEqual(len(wids), 6)
self.failUnless(index._lexicon._wids['one'] in wids)
self.failUnless(index._lexicon._wids['two'] in wids)
self.failUnless(index._lexicon._wids['three'] in wids)
self.failUnless(index._lexicon._wids['four'] in wids)
self.failUnless(index._lexicon._wids['five'] in wids)
self.failUnless(index._lexicon._wids['six'] in wids)
def test__get_frequencies_raises_NotImplementedError(self):
index = self._makeOne()
self.assertRaises(NotImplementedError, index._get_frequencies, ())
def test_unindex_doc_simple(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
# Fake out _get_frequencies, which is supposed to be overridden.
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
index.unindex_doc(1)
self.assertEqual(index.wordCount(), 0)
self.failIf(index._lexicon._wids['one'] in index._wordinfo)
self.failIf(index._lexicon._wids['two'] in index._wordinfo)
self.failIf(index._lexicon._wids['three'] in index._wordinfo)
self.assertEqual(index.documentCount(), 0)
self.failIf(index.has_doc(1))
self.failIf(1 in index._docwords)
self.failIf(1 in index._docweight)
self.assertRaises(KeyError, index.get_words, 1)
def test_unindex_doc_upgrades_wordCount_documentCount(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
# Fake out _get_frequencies, which is supposed to be overridden.
index._get_frequencies = _faux_get_frequencies
index.index_doc(1, 'one two three')
# Simulate old instances which didn't have these as attributes
del index.wordCount
del index.documentCount
index.unindex_doc(1)
self.assertEqual(index.wordCount(), 0)
self.failIf(index._lexicon._wids['one'] in index._wordinfo)
self.failIf(index._lexicon._wids['two'] in index._wordinfo)
self.failIf(index._lexicon._wids['three'] in index._wordinfo)
self.assertEqual(index.documentCount(), 0)
self.failIf(index.has_doc(1))
self.failIf(1 in index._docwords)
self.failIf(1 in index._docweight)
self.assertRaises(KeyError, index.get_words, 1)
def test_search_w_empty_term(self):
index = self._makeOne()
self.assertEqual(index.search(''), None)
def test_search_w_oov_term(self):
index = self._makeOne()
def _faux_search_wids(wids):
assert len(wids) == 0
return []
index._search_wids = _faux_search_wids
self.assertEqual(dict(index.search('nonesuch')), {})
def test_search_hit(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
def _faux_search_wids(wids):
assert len(wids) == 1
assert index._lexicon._wids['hit'] in wids
result = index.family.IF.Bucket()
result[1] = 1.0
return [(result, 1)]
index._search_wids = _faux_search_wids
index.index_doc(1, 'hit')
self.assertEqual(dict(index.search('hit')), {1: 1.0})
def test_search_glob_w_empty_term(self):
index = self._makeOne()
def _faux_search_wids(wids):
assert len(wids) == 0
return []
index._search_wids = _faux_search_wids
self.assertEqual(dict(index.search_glob('')), {})
def test_search_glob_w_oov_term(self):
index = self._makeOne()
def _faux_search_wids(wids):
assert len(wids) == 0
return []
index._search_wids = _faux_search_wids
self.assertEqual(dict(index.search_glob('nonesuch*')), {})
def test_search_glob_hit(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
def _faux_search_wids(wids):
assert len(wids) == 1
assert index._lexicon._wids['hitter'] in wids
result = index.family.IF.Bucket()
result[1] = 1.0
return [(result, 1)]
index._search_wids = _faux_search_wids
index.index_doc(1, 'hitter')
self.assertEqual(dict(index.search_glob('hit*')), {1: 1.0})
def test_search_phrase_w_empty_term(self):
index = self._makeOne()
def _faux_search_wids(wids):
assert len(wids) == 0
return []
index._search_wids = _faux_search_wids
self.assertEqual(dict(index.search_phrase('')), {})
def test_search_phrase_w_oov_term(self):
index = self._makeOne()
self.assertEqual(dict(index.search_phrase('nonesuch')), {})
def test_search_phrase_hit(self):
index = self._makeOne()
def _faux_get_frequencies(wids):
return dict([(y, x) for x, y in enumerate(wids)]), 1
index._get_frequencies = _faux_get_frequencies
def _faux_search_wids(wids):
assert len(wids) == 3
assert index._lexicon._wids['hit'] in wids
assert index._lexicon._wids['the'] in wids
assert index._lexicon._wids['nail'] in wids
result = index.family.IF.Bucket()
result[1] = 1.0
return [(result, 1)]
index._search_wids = _faux_search_wids
index.index_doc(1, 'hit the nail on the head')
self.assertEqual(dict(index.search_phrase('hit the nail')), {1: 1.0})
def test__search_wids_raises_NotImplementedError(self):
index = self._makeOne()
self.assertRaises(NotImplementedError, index._search_wids, ())
def test_query_weight_raises_NotImplementedError(self):
index = self._makeOne()
self.assertRaises(NotImplementedError, index.query_weight, ())
def test__add_wordinfo_simple(self):
index = self._makeOne()
# Simulate old instances which didn't have these as attributes
index._add_wordinfo(123, 4, 1)
self.assertEqual(index.wordCount(), 1)
self.assertEqual(index._wordinfo[123], {1: 4})
def test__add_wordinfo_upgrades_wordCount(self):
index = self._makeOne()
# Simulate old instances which didn't have these as attributes
del index.wordCount
index._add_wordinfo(123, 4, 1)
self.assertEqual(index.wordCount(), 1)
def test__add_wordinfo_promotes_dict_to_tree_at_DICT_CUTOFF(self):
index = self._makeOne()
index.DICT_CUTOFF = 2
index._add_wordinfo(123, 4, 1)
index._add_wordinfo(123, 5, 2)
self.failUnless(isinstance(index._wordinfo[123], dict))
index._add_wordinfo(123, 6, 3)
self.failUnless(isinstance(index._wordinfo[123],
index.family.IF.BTree))
self.assertEqual(dict(index._wordinfo[123]), {1: 4, 2: 5, 3: 6})
def test__mass_add_wordinfo_promotes_dict_to_tree_at_DICT_CUTOFF(self):
index = self._makeOne()
index.DICT_CUTOFF = 2
index._add_wordinfo(123, 4, 1)
index._add_wordinfo(123, 5, 2)
index._mass_add_wordinfo({123: 6, 124: 1}, 3)
self.failUnless(isinstance(index._wordinfo[123],
index.family.IF.BTree))
self.assertEqual(dict(index._wordinfo[123]), {1: 4, 2: 5, 3: 6})
def test__del_wordinfo_no_residual_docscore(self):
index = self._makeOne()
# Simulate old instances which didn't have these as attributes
index._add_wordinfo(123, 4, 1)
index._del_wordinfo(123, 1)
self.assertEqual(index.wordCount(), 0)
self.assertRaises(KeyError, index._wordinfo.__getitem__, 123)
def test__del_wordinfo_w_residual_docscore(self):
index = self._makeOne()
# Simulate old instances which didn't have these as attributes
index._add_wordinfo(123, 4, 1)
index._add_wordinfo(123, 5, 2)
index._del_wordinfo(123, 1)
self.assertEqual(index.wordCount(), 1)
self.assertEqual(index._wordinfo[123], {2: 5})
def test__del_wordinfo_upgrades_wordCount(self):
index = self._makeOne()
index._add_wordinfo(123, 4, 1)
# Simulate old instances which didn't have these as attributes
del index.wordCount
index._del_wordinfo(123, 1)
self.assertEqual(index.wordCount(), 0)
class BaseIndexTest32(BaseIndexTestBase, unittest.TestCase):
def _getBTreesFamily(self):
import BTrees
return BTrees.family32
class BaseIndexTest64(BaseIndexTestBase, unittest.TestCase):
def _getBTreesFamily(self):
import BTrees
return BTrees.family64
def test_suite():
return unittest.TestSuite((
unittest.makeSuite(BaseIndexTest32),
unittest.makeSuite(BaseIndexTest64),
))
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