1 # ====================================================================
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
13 # ====================================================================
15 from lia.common.LiaTestCase import LiaTestCase
18 SimpleAnalyzer, Term, IndexSearcher, TermQuery, \
19 Highlighter, QueryScorer, StringReader, Version
22 class HighlightTest(LiaTestCase):
24 def testHighlighting(self):
26 text = "The quick brown fox jumps over the lazy dog"
28 query = TermQuery(Term("field", "fox"))
29 scorer = QueryScorer(query)
30 highlighter = Highlighter(scorer)
32 tokenStream = SimpleAnalyzer(Version.LUCENE_CURRENT).tokenStream("field", StringReader(text))
34 self.assertEqual("The quick brown <B>fox</B> jumps over the lazy dog",
35 highlighter.getBestFragment(tokenStream, text))
39 searcher = IndexSearcher(self.directory, True)
40 query = TermQuery(Term("title", "action"))
41 scoreDocs = searcher.search(query, 50).scoreDocs
43 scorer = QueryScorer(query)
44 highlighter = Highlighter(scorer)
46 for scoreDoc in scoreDocs:
47 doc = searcher.doc(scoreDoc.doc)
49 stream = SimpleAnalyzer(Version.LUCENE_CURRENT).tokenStream("title", StringReader(title))
50 fragment = highlighter.getBestFragment(stream, title)