# ====================================================================
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
# ====================================================================

from lia.common.LiaTestCase import LiaTestCase

from lucene import Term, IndexSearcher, PrefixQuery, TermQuery


class PrefixQueryTest(LiaTestCase):

    def testPrefix(self):

        searcher = IndexSearcher(self.directory)

        # search for programming books, including subcategories
        term = Term("category", "/technology/computers/programming")
        query = PrefixQuery(term)

        hits = searcher.search(query)
        programmingAndBelow = hits.length()

        # only programming books, not subcategories
        hits = searcher.search(TermQuery(term))
        justProgramming = hits.length()

        self.assert_(programmingAndBelow > justProgramming)