#   pyRCV2: Preferential vote counting
#   Copyright © 2020–2021  Lee Yingtong Li (RunasSudo)
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program 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 Affero General Public License for more details.
#
#   You should have received a copy of the GNU Affero General Public License
#   along with this program.  If not, see <https://www.gnu.org/licenses/>.

import pytest

import pyRCV2.blt, pyRCV2.con
from pyRCV2.constraints import ConstraintException

def test_constraints_validation_invalid1():
	with open('tests/data/prsa1.blt', 'r') as f:
		election = pyRCV2.blt.readBLT(f.read())
	
	with open('tests/data/prsa1_invalid1.con', 'r') as f:
		election.constraints = pyRCV2.con.readCON(f.read(), election)
	
	with pytest.raises(ConstraintException, match='Candidate "Evans" not assigned to a group in category "Gender"'):
		election.validate_constraints()

def test_constraints_validation_invalid2():
	with open('tests/data/prsa1.blt', 'r') as f:
		election = pyRCV2.blt.readBLT(f.read())
	
	with open('tests/data/prsa1_invalid2.con', 'r') as f:
		election.constraints = pyRCV2.con.readCON(f.read(), election)
	
	with pytest.raises(ConstraintException, match='Candidate "Grey" duplicated in category "Gender"'):
		election.validate_constraints()