コード例 #1
0
class ZCIndexTestsBase:

    def setUp(self):
        self.lexicon = PLexicon('lexicon', '',
                                Splitter(),
                                CaseNormalizer(),
                                StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        self.zc_index = ZCTextIndex('name',
                                    None,
                                    caller,
                                    self.IndexFactory,
                                    'text',
                                    'lexicon')
        self.index = self.zc_index.index


    def parserFailure(self, query):
        self.assertRaises(ParseError, self.zc_index.query, query)

    def parserSuccess(self, query, n):
        r, num = self.zc_index.query(query)
        self.assertEqual(num, n)
        if n:
            self.assertEqual(r[0][0], 1)

    def testMultipleAttributes(self):
        lexicon = PLexicon('lexicon', '',
                            Splitter(),
                            CaseNormalizer(),
                            StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name',
                                None,
                                caller,
                                self.IndexFactory,
                               'text1,text2',
                               'lexicon')
        doc = Indexable2('foo bar', 'alpha omega')
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('foo')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('foo alpha')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('foo alpha gamma')
        self.assertEqual(len(nbest), 0)

    def testListAttributes(self):
        lexicon = PLexicon('lexicon', '',
                            Splitter(),
                            CaseNormalizer(),
                            StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name',
                                None,
                                caller,
                                self.IndexFactory,
                               'text1,text2',
                               'lexicon')
        doc = Indexable2('Hello Tim', \
                         ['Now is the winter of our discontent',
                          'Made glorious summer by this sun of York', ])
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('glorious')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('York Tim')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('Tuesday Tim York')
        self.assertEqual(len(nbest), 0)

    def testStopWords(self):
        # the only non-stopword is question
        text = ("to be or not to be "
                "that is the question")
        doc = Indexable(text)
        self.zc_index.index_object(1, doc)
        for word in text.split():
            if word != "question":
                wids = self.lexicon.termToWordIds(word)
                self.assertEqual(wids, [])
        self.assertEqual(len(self.index.get_words(1)), 1)

        self.parserSuccess('question', 1)
        self.parserSuccess('question AND to AND be', 1)
        self.parserSuccess('to AND question AND be', 1)
        self.parserSuccess('question AND NOT gardenia', 1)
        self.parserSuccess('question AND gardenia', 0)
        self.parserSuccess('gardenia', 0)
        self.parserSuccess('question OR gardenia', 1)
        self.parserSuccess('question AND NOT to AND NOT be', 1)
        self.parserSuccess('question OR to OR be', 1)
        self.parserSuccess('question to be', 1)

        self.parserFailure('to be')
        self.parserFailure('to AND be')
        self.parserFailure('to OR be')
        self.parserFailure('to AND NOT be')
        self.parserFailure('to AND NOT question')
        self.parserFailure('to AND NOT gardenia')

    def testDocUpdate(self):
        docid = 1   # doesn't change -- we index the same doc repeatedly
        N = len(text)
        stop = get_stopdict()

        d = {} # word -> list of version numbers containing that word
        for version, i in zip(text, range(N)):
            # use a simple splitter rather than an official one
            words = [w for w in re.split("\W+", version.lower())
                     if len(w) > 1 and not stop.has_key(w)]
            word_seen = {}
            for w in words:
                if not word_seen.has_key(w):
                    d.setdefault(w, []).append(i)
                    word_seen[w] = 1

        unique = {} # version number -> list of words unique to that version
        common = [] # list of words common to all versions
        for w, versionlist in d.items():
            if len(versionlist) == 1:
                unique.setdefault(versionlist[0], []).append(w)
            elif len(versionlist) == N:
                common.append(w)
        self.assert_(len(common) > 0)
        self.assert_(len(unique) > 0)

        for version, i in zip(text, range(N)):
            doc = Indexable(version)
            self.zc_index.index_object(docid, doc)
            for w in common:
                nbest, total = self.zc_index.query(w)
                self.assertEqual(total, 1, "did not find %s" % w)
            for k, v in unique.items():
                if k == i:
                    continue
                for w in v:
                    nbest, total = self.zc_index.query(w)
                    self.assertEqual(total, 0, "did not expect to find %s" % w)
コード例 #2
0
class ZCIndexTestsBase(object):

    def setUp(self):
        self.lexicon = PLexicon('lexicon', '',
                                Splitter(),
                                CaseNormalizer(),
                                StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        self.zc_index = ZCTextIndex('name',
                                    None,
                                    caller,
                                    self.IndexFactory,
                                    'text',
                                    'lexicon')
        self.index = self.zc_index.index

    def parserFailure(self, query):
        self.assertRaises(ParseError, self.zc_index.query, query)

    def parserSuccess(self, query, n):
        r, num = self.zc_index.query(query)
        self.assertEqual(num, n)
        if n:
            self.assertEqual(r[0][0], 1)

    def testMultipleAttributes(self):
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name',
                               None,
                               caller,
                               self.IndexFactory,
                               'text1,text2',
                               'lexicon')
        doc = Indexable2('foo bar', 'alpha omega')
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('foo')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('foo alpha')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('foo alpha gamma')
        self.assertEqual(len(nbest), 0)

    def testListAttributes(self):
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name',
                               None,
                               caller,
                               self.IndexFactory,
                               'text1,text2',
                               'lexicon')
        doc = Indexable2('Hello Tim',
                         ['Now is the winter of our discontent',
                          'Made glorious summer by this sun of York', ])
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('glorious')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('York Tim')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('Tuesday Tim York')
        self.assertEqual(len(nbest), 0)

    def testReindex(self):
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name',
                               None,
                               caller,
                               self.IndexFactory,
                               'text',
                               'lexicon')
        doc = Indexable('Hello Tim')
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('glorious')
        self.assertEqual(len(nbest), 0)
        nbest, total = zc_index.query('Tim')
        self.assertEqual(len(nbest), 1)
        # reindex with another value
        doc.text = 'Goodbye George'
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('Tim')
        self.assertEqual(len(nbest), 0)
        nbest, total = zc_index.query('Goodbye')
        self.assertEqual(len(nbest), 1)
        # reindex with an empty value
        doc.text = ''
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('George')
        self.assertEqual(len(nbest), 0)

    def testStopWords(self):
        # the only non-stopword is question
        text = ('to be or not to be '
                'that is the question')
        doc = Indexable(text)
        self.zc_index.index_object(1, doc)
        for word in text.split():
            if word != 'question':
                wids = self.lexicon.termToWordIds(word)
                self.assertEqual(wids, [])
        self.assertEqual(len(self.index.get_words(1)), 1)

        self.parserSuccess('question', 1)
        self.parserSuccess('question AND to AND be', 1)
        self.parserSuccess('to AND question AND be', 1)
        self.parserSuccess('question AND NOT gardenia', 1)
        self.parserSuccess('question AND gardenia', 0)
        self.parserSuccess('gardenia', 0)
        self.parserSuccess('question OR gardenia', 1)
        self.parserSuccess('question AND NOT to AND NOT be', 1)
        self.parserSuccess('question OR to OR be', 1)
        self.parserSuccess('question to be', 1)

        self.parserFailure('to be')
        self.parserFailure('to AND be')
        self.parserFailure('to OR be')
        self.parserFailure('to AND NOT be')
        self.parserFailure('to AND NOT question')
        self.parserFailure('to AND NOT gardenia')

    def testDocUpdate(self):
        docid = 1   # doesn't change -- we index the same doc repeatedly
        N = len(text)
        stop = get_stopdict()

        d = {}  # word -> list of version numbers containing that word
        for version, i in zip(text, range(N)):
            # use a simple splitter rather than an official one
            words = [w for w in re.split(r'\W+', version.lower())
                     if len(w) > 1 and w not in stop]
            word_seen = {}
            for w in words:
                if w not in word_seen:
                    d.setdefault(w, []).append(i)
                    word_seen[w] = 1

        unique = {}  # version number -> list of words unique to that version
        common = []  # list of words common to all versions
        for w, versionlist in d.items():
            if len(versionlist) == 1:
                unique.setdefault(versionlist[0], []).append(w)
            elif len(versionlist) == N:
                common.append(w)
        self.assertGreater(len(common), 0)
        self.assertGreater(len(unique), 0)

        for version, i in zip(text, range(N)):
            doc = Indexable(version)
            self.zc_index.index_object(docid, doc)
            for w in common:
                nbest, total = self.zc_index.query(w)
                self.assertEqual(total, 1, 'did not find {0}'.format(w))
            for k, v in unique.items():
                if k == i:
                    continue
                for w in v:
                    nbest, total = self.zc_index.query(w)
                    self.assertEqual(
                        total, 0,
                        'did not expect to find {0}'.format(w)
                    )

    def testLexiconIsNotFoundRaisesLookupError(self):
        caller = LexiconHolder(self.lexicon)
        with self.assertRaises(LookupError):
            ZCTextIndex(
                'name',
                extra=None,
                caller=caller,
            )

    def testInvalidIndexTypeRaisesValueError(self):
        caller = LexiconHolder(self.lexicon)

        class Extra(object):
            index_type = 'Some invalid index type'
        with self.assertRaises(ValueError):
            ZCTextIndex(
                'name',
                extra=Extra,
                caller=caller,
                index_factory=None,
                lexicon_id='lexicon'
            )
コード例 #3
0
ファイル: testZCTextIndex.py プロジェクト: bendavis78/zope
class ZCIndexTestsBase:
    def setUp(self):
        self.lexicon = PLexicon('lexicon', '', Splitter(), CaseNormalizer(),
                                StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        self.zc_index = ZCTextIndex('name', None, caller, self.IndexFactory,
                                    'text', 'lexicon')
        self.index = self.zc_index.index

    def parserFailure(self, query):
        self.assertRaises(ParseError, self.zc_index.query, query)

    def parserSuccess(self, query, n):
        r, num = self.zc_index.query(query)
        self.assertEqual(num, n)
        if n:
            self.assertEqual(r[0][0], 1)

    def testMultipleAttributes(self):
        lexicon = PLexicon('lexicon', '', Splitter(), CaseNormalizer(),
                           StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name', None, caller, self.IndexFactory,
                               'text1,text2', 'lexicon')
        doc = Indexable2('foo bar', 'alpha omega')
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('foo')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('foo alpha')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('foo alpha gamma')
        self.assertEqual(len(nbest), 0)

    def testListAttributes(self):
        lexicon = PLexicon('lexicon', '', Splitter(), CaseNormalizer(),
                           StopWordRemover())
        caller = LexiconHolder(self.lexicon)
        zc_index = ZCTextIndex('name', None, caller, self.IndexFactory,
                               'text1,text2', 'lexicon')
        doc = Indexable2('Hello Tim', \
                         ['Now is the winter of our discontent',
                          'Made glorious summer by this sun of York', ])
        zc_index.index_object(1, doc)
        nbest, total = zc_index.query('glorious')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('York Tim')
        self.assertEqual(len(nbest), 1)
        nbest, total = zc_index.query('Tuesday Tim York')
        self.assertEqual(len(nbest), 0)

    def testStopWords(self):
        # the only non-stopword is question
        text = ("to be or not to be " "that is the question")
        doc = Indexable(text)
        self.zc_index.index_object(1, doc)
        for word in text.split():
            if word != "question":
                wids = self.lexicon.termToWordIds(word)
                self.assertEqual(wids, [])
        self.assertEqual(len(self.index.get_words(1)), 1)

        self.parserSuccess('question', 1)
        self.parserSuccess('question AND to AND be', 1)
        self.parserSuccess('to AND question AND be', 1)
        self.parserSuccess('question AND NOT gardenia', 1)
        self.parserSuccess('question AND gardenia', 0)
        self.parserSuccess('gardenia', 0)
        self.parserSuccess('question OR gardenia', 1)
        self.parserSuccess('question AND NOT to AND NOT be', 1)
        self.parserSuccess('question OR to OR be', 1)
        self.parserSuccess('question to be', 1)

        self.parserFailure('to be')
        self.parserFailure('to AND be')
        self.parserFailure('to OR be')
        self.parserFailure('to AND NOT be')
        self.parserFailure('to AND NOT question')
        self.parserFailure('to AND NOT gardenia')

    def testDocUpdate(self):
        docid = 1  # doesn't change -- we index the same doc repeatedly
        N = len(text)
        stop = get_stopdict()

        d = {}  # word -> list of version numbers containing that word
        for version, i in zip(text, range(N)):
            # use a simple splitter rather than an official one
            words = [
                w for w in re.split("\W+", version.lower())
                if len(w) > 1 and not stop.has_key(w)
            ]
            word_seen = {}
            for w in words:
                if not word_seen.has_key(w):
                    d.setdefault(w, []).append(i)
                    word_seen[w] = 1

        unique = {}  # version number -> list of words unique to that version
        common = []  # list of words common to all versions
        for w, versionlist in d.items():
            if len(versionlist) == 1:
                unique.setdefault(versionlist[0], []).append(w)
            elif len(versionlist) == N:
                common.append(w)
        self.assert_(len(common) > 0)
        self.assert_(len(unique) > 0)

        for version, i in zip(text, range(N)):
            doc = Indexable(version)
            self.zc_index.index_object(docid, doc)
            for w in common:
                nbest, total = self.zc_index.query(w)
                self.assertEqual(total, 1, "did not find %s" % w)
            for k, v in unique.items():
                if k == i:
                    continue
                for w in v:
                    nbest, total = self.zc_index.query(w)
                    self.assertEqual(total, 0, "did not expect to find %s" % w)