def test_comparison(self):
self.check_operator_parser('=', AST.Eq)
self.check_operator_parser('!=', AST.Neq)
self.check_operator_parser('<', AST.Lt)
self.check_operator_parser('<=', AST.Lte)
self.check_operator_parser('>', AST.Gt)
self.check_operator_parser('>=', AST.Gte)
self.check_parser('%s between %s and %s' % (DATE_STR, CONTEXT_STR, LIST_STR),
AST.Between(DATE_AST, CONTEXT_AST, LIST_AST))
# self.check_parser('%s between %s and %s' % (FILTER_EXPRESSION_STR, INSTANCE_OF_STR, LIST_STR),
# AST.Between(FILTER_EXPRESSION_AST, INSTANCE_OF_AST, LIST_AST),
# debug=True)
self.check_parser('%s in null' % DATE_STR,
AST.In(DATE_AST, AST.PositiveUnaryTests([AST.Null()])))
self.check_parser('%s in null' % FILTER_EXPRESSION_STR,
AST.In(FILTER_EXPRESSION_AST, AST.PositiveUnaryTests([AST.Null()])))
# self.check_parser('%s in null' % FILTER_EXPRESSION_STR, AST.In(FILTER_EXPRESSION_AST, [AST.Null]))
self.check_parser('%s in (null, null)' % FILTER_EXPRESSION_STR,
AST.In(FILTER_EXPRESSION_AST, AST.PositiveUnaryTests([AST.Null()] * 2)))
def p_between(self, p):
"""between : between1 AND expression %prec comparison_p"""
expr, begin_start = p[1]
begin_end = p[3]
p[0] = AST.Between(expr, begin_start, begin_end)