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 unittest import TestCase, main
19 class PrefixQueryTestCase(TestCase):
21 Unit tests ported from Java Lucene
24 def testPrefixQuery(self):
26 directory = RAMDirectory()
28 categories = ["/Computers", "/Computers/Mac", "/Computers/Windows"]
29 writer = IndexWriter(directory, WhitespaceAnalyzer(), True,
30 IndexWriter.MaxFieldLength.LIMITED)
31 for category in categories:
33 doc.add(Field("category", category,
34 Field.Store.YES, Field.Index.NOT_ANALYZED))
35 writer.addDocument(doc)
39 query = PrefixQuery(Term("category", "/Computers"))
40 searcher = IndexSearcher(directory, True)
41 topDocs = searcher.search(query, 50)
42 self.assertEqual(3, topDocs.totalHits,
43 "All documents in /Computers category and below")
45 query = PrefixQuery(Term("category", "/Computers/Mac"))
46 topDocs = searcher.search(query, 50)
47 self.assertEqual(1, topDocs.totalHits, "One in /Computers/Mac")
50 if __name__ == "__main__":
53 if '-loop' in sys.argv:
54 sys.argv.remove('-loop')