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search_engine_query_parser_tests.py
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search_engine_query_parser_tests.py
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# -*- coding: utf-8 -*-
##
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## CDS Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Unit tests for the search engine query parsers."""
__revision__ = \
"$Id$"
import unittest
from invenio import search_engine_query_parser
from invenio.testutils import make_test_suite, run_test_suite
from invenio.search_engine import perform_request_search
class TestSearchQueryParenthesisedParser(unittest.TestCase):
"""Test parenthesis parsing."""
def test_parse_query(self):
"""parenthesised search query parser - queries with parentheses"""
parser = search_engine_query_parser.SearchQueryParenthesisedParser()
# test if normal queries are parsed
self.assertEqual(parser.parse_query('expr1'),
['+', 'expr1'])
self.assertEqual(parser.parse_query('(expr1)'),
['+', 'expr1'])
self.assertEqual(parser.parse_query("expr1 - (expr2)"),
['+', 'expr1', '-', 'expr2'])
self.assertEqual(parser.parse_query("+ expr1 - (expr2)"),
['+', 'expr1', '-', 'expr2'])
self.assertEqual(parser.parse_query("expr1 (expr2)"),
['+', 'expr1', '+', 'expr2'])
self.assertEqual(['+', 'expr1', '-', 'expr2'],
parser.parse_query("(expr1) - expr2"))
self.assertEqual(parser.parse_query("(expr1)-(expr2)"),
['+', 'expr1', '-', 'expr2'])
self.assertEqual(parser.parse_query("-(expr1)-(expr2)"),
['-', 'expr1', '-', 'expr2'])
self.assertEqual(parser.parse_query('(expr1) - expr2 + (expr3) | expr4'),
['+', 'expr1', '-', 'expr2', '+', 'expr3', '|', 'expr4'])
self.assertEqual(parser.parse_query('(expr1) - expr2 + (expr3)'),
['+', 'expr1', '-', 'expr2', '+', 'expr3'])
self.assertEqual(parser.parse_query('(expr1) - expr2 + (expr3 | expr4) | "expr5 + expr6"'),
['+', 'expr1', '-', 'expr2', '+', 'expr3 | expr4', '|', '"expr5 + expr6"'])
# test special cases - parentheses after quotas
self.assertEqual(parser.parse_query('"expr1" (expr2) expr3'),
['+', '"expr1"', '+', 'expr2', '+', 'expr3'])
# test parsing of queries with missing operators.
# in this case default operator + should be included on place of the missing one
self.assertEqual(parser.parse_query('(expr1) expr2 (expr3) | expr4'),
['+', 'expr1', '+', 'expr2', '+', 'expr3', '|', 'expr4'])
def test_parsing_of_nested_or_mismatched_parentheses(self):
"""parenthesised search query parser - queries containing nested or mismatched parentheses"""
parser = search_engine_query_parser.SearchQueryParenthesisedParser()
# test nested parentheses - they are not supported
self.failUnlessRaises(search_engine_query_parser.InvenioWebSearchQueryParserException,
parser.parse_query,"((expr))")
# test mismatched parentheses
self.failUnlessRaises(search_engine_query_parser.InvenioWebSearchQueryParserException,
parser.parse_query,"(expr")
def test_parsing_of_and_or_and_not_operators(self):
"""parenthesised search query parser - queries containing AND, OR, NOT operators"""
parser = search_engine_query_parser.SearchQueryParenthesisedParser()
self.assertEqual(parser.parse_query('(expr1) not expr2 and (expr3) or expr4'),
['+', 'expr1', '-', 'expr2', '+', 'expr3', '|', 'expr4'])
self.assertEqual(parser.parse_query('(expr1) not expr2 | "expressions not in and quotes | (are) not - parsed " - (expr3) or expr4'),
['+', 'expr1', '-', 'expr2 | "expressions not in and quotes | (are) not - parsed "', '-', 'expr3', '|', 'expr4'])
self.assertEqual(parser.parse_query('expr1 \\" expr2 and(expr3) not expr4 \\" and (expr5)'),
['+', 'expr1 \\" expr2', '+', 'expr3', '-', 'expr4 \\"', '+', 'expr5'])
self.assertEqual(parser.parse_query('(expr1 and expr2) or expr3'),
['+', 'expr1 + expr2','|', 'expr3'])
self.assertEqual(parser.parse_query('(expr1 and expr2) or expr3'),
parser.parse_query('(expr1 + expr2) | expr3'))
self.assertEqual(parser.parse_query('(expr1 and expr2) or expr3'),
parser.parse_query('(expr1 + expr2) or expr3'))
def test_parsing_of_quotes(self):
"""parenthesised search query parser - queries containing single and double quotes"""
parser = search_engine_query_parser.SearchQueryParenthesisedParser()
#The content inside quotes should not be parsed
# test double quotes
self.assertEqual(parser.parse_query('(expr1) - expr2 | "expressions - in + quotes | (are) not - parsed " - (expr3) | expr4'),
['+', 'expr1', '-', 'expr2 | "expressions - in + quotes | (are) not - parsed "', '-', 'expr3', '|', 'expr4'])
# test single quotes
self.assertEqual(parser.parse_query("(expr1) - expr2 | 'expressions - in + quotes | (are) not - parsed ' - (expr3) | expr4"),
['+', 'expr1', '-', "expr2 | 'expressions - in + quotes | (are) not - parsed '", '-', 'expr3', '|', 'expr4'])
# test escaping quotes
# escaping single quotes
self.assertEqual(parser.parse_query("expr1 \\' expr2 +(expr3) -expr4 \\' + (expr5)"),
['+', "expr1 \\' expr2", '+', 'expr3', '-', "expr4 \\'", '+', 'expr5'])
# escaping double quotes
self.assertEqual(parser.parse_query('expr1 \\" expr2 +(expr3) -expr4 \\" + (expr5)'),
['+', 'expr1 \\" expr2', '+', 'expr3', '-', 'expr4 \\"', '+', 'expr5'])
# test parsing of quotes in the beginning of the query
self.assertEqual(parser.parse_query('"expr1" - (expr2)'),
['+', '"expr1"', '-', 'expr2'])
self.assertEqual(parser.parse_query('-"expr1" - (expr2)'),
['-', '"expr1"', '-', 'expr2'])
class TestSpiresToInvenioSyntaxConverter(unittest.TestCase):
"""Test parsing of SPIRES data---note these test cases are written against atlantis
and use perform_request_search which then loads the parser
"""
def _compare_searches(self, invenio_search_query, spires_search_query):
"""Compare inv_search and spi_search for equivalence
tests that a non-trivial result is found, that the hitsets are equal
prints a message if both queries are parsed identically (a bonus...)
"""
invenio_search_result = perform_request_search(p=invenio_search_query)
spires_search_result = perform_request_search(p=spires_search_query)
# first make sure the test is non trivial
self.assert_(len(spires_search_result)>0)
# make sure we have the same results
self.assertEqual(invenio_search_result, spires_search_result)
#test operator searching
def test_operators(self):
"""SPIRES search syntax - find a ellis and t colllisions"""
invenio_search = "author:ellis and title:collisions"
spires_search = "find a ellis and t collisions"
self._compare_searches(invenio_search, spires_search)
def test_parens(self):
"""SPIRES search syntax - find a ellis and not t hadronic and not t collisions"""
invenio_search = "author:ellis and not (title:hadronic or title:collisions)"
spires_search = "find a ellis and not t hadronic and not t collisions "
self._compare_searches(invenio_search, spires_search)
def test_author_simple(self):
"""SPIRES search syntax - find a ellis, j"""
invenio_search = 'author:"ellis, j*"'
spires_search = 'find a ellis, j'
self._compare_searches(invenio_search, spires_search)
def test_author_reverse(self):
"""SPIRES search syntax - find a j ellis"""
invenio_search = 'author:"ellis, j*"'
spires_search = 'find a j ellis'
self._compare_searches(invenio_search, spires_search)
def test_author_initials(self):
"""SPIRES search syntax - find a a m polyakov"""
inv_search = 'author:"polyakov, a* m*"'
spi_search = 'find a a m polyakov'
self._compare_searches(inv_search, spi_search)
def test_author_full_initial(self):
"""SPIRES search syntax - find a klebanov, igor r."""
inv_search = 'author:"klebanov, igor* r*" or author:"klebanov, i r" or author:"klebanov, ig r"'
spi_search = "find a klebanov, igor r."
self._compare_searches(inv_search, spi_search)
def test_author_full_first(self):
"""SPIRES search syntax - find a ellis, john"""
invenio_search = 'author:"ellis, john" or author:"ellis, j *" or author:"ellis, j" or author:"ellis, jo *" or author:"ellis, jo" or author:"ellis, john *"'
spires_search = 'find a ellis, john'
self._compare_searches(invenio_search, spires_search)
def test_combine_multiple(self):
"""SPIRES search syntax - find a j ellis and k symmetry chiral and not title chiral"""
inv_search = "author:'ellis, j*' keyword:chiral keyword:symmetry -title:chiral "
spi_search = "find a j ellis and k symmetry chiral and not title chiral"
def test_combine_multiple_or(self):
"""SPIRES search syntax - find a j ellis and t chiral or k cross section"""
inv_search = "author:'ellis, j*' and (title:beyond or (keyword:cross keyword:section))"
spi_search = "find a j ellis and (title beyond or k cross section)"
# def test_date(self):
# """SPIRES search syntax - find date 1996"""
# inv_search = "year:1996"
# spi_search = "find date 1996"
# self._compare_searches(inv_search, spi_search)
# def test_month(self):
# """SPIRES search syntax - find date 3/1996"""
# inv_search = "year:'3/1996'"
# spi_search = "find date 3/1996"
# self._compare_searches(inv_search, spi_search)
TEST_SUITE = make_test_suite(TestSearchQueryParenthesisedParser, \
TestSpiresToInvenioSyntaxConverter)
if __name__ == "__main__":
run_test_suite(TEST_SUITE)

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