121 lines
4.3 KiB
Python
121 lines
4.3 KiB
Python
# Eos - Verifiable elections
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# Copyright © 2017 RunasSudo (Yingtong Li)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from eos.core.tests import *
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from eos.base.election import *
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from eos.base.workflow import *
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from eos.core.objects import *
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class ElectionTestCase(EosTestCase):
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@classmethod
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def setUpClass(cls):
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cls.db_connect_and_reset()
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def do_task_assert(self, election, task, next_task):
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self.assertEqual(election.workflow.get_task(task).status, WorkflowTask.Status.READY)
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if next_task is not None:
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self.assertEqual(election.workflow.get_task(next_task).status, WorkflowTask.Status.NOT_READY)
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election.workflow.get_task(task).enter()
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self.assertEqual(election.workflow.get_task(task).status, WorkflowTask.Status.EXITED)
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if next_task is not None:
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self.assertEqual(election.workflow.get_task(next_task).status, WorkflowTask.Status.READY)
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@py_only
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def test_run_election(self):
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# Set up election
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election = Election()
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election.workflow = WorkflowBase()
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# Check _instance
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self.assertEqual(election.workflow._instance, (election, 'workflow'))
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# Check workflow behaviour
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self.assertEqual(election.workflow.get_task('eos.base.workflow.TaskConfigureElection').status, WorkflowTask.Status.READY)
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self.assertEqual(election.workflow.get_task('does.not.exist'), None)
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# Set election details
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election.name = 'Test Election'
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for i in range(3):
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voter = Voter(name=['Alice', 'Bob', 'Charlie'][i])
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election.voters.append(voter)
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# Check _instance
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self.assertEqual(voter._instance, (election.voters, i))
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question = ApprovalQuestion(prompt='President', choices=['John Smith', 'Joe Bloggs', 'John Q. Public'])
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election.questions.append(question)
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question = ApprovalQuestion(prompt='Chairman', choices=['John Doe', 'Andrew Citizen'])
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election.questions.append(question)
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election.save()
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# Check that it saved
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self.assertEqual(Election.get_all()[0], election)
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self.assertEqualJSON(EosObject.deserialise_and_unwrap(EosObject.serialise_and_wrap(election)).serialise(), election.serialise())
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# Freeze election
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self.do_task_assert(election, 'eos.base.workflow.TaskConfigureElection', 'eos.base.workflow.TaskOpenVoting')
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election.save()
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# Try to freeze it again
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try:
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election.workflow.get_task('eos.base.workflow.TaskConfigureElection').exit()
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self.fail()
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except Exception:
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pass
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election_hash = SHA256().update_obj(election).hash_as_b64()
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# Open voting
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self.do_task_assert(election, 'eos.base.workflow.TaskOpenVoting', 'eos.base.workflow.TaskCloseVoting')
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election.save()
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# Cast ballots
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VOTES = [[[0], [0]], [[0, 1], [1]], [[2], [0]]]
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for i in range(3):
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ballot = Ballot(election_id=election._id, election_hash=election_hash)
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for j in range(2):
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answer = ApprovalAnswer(choices=VOTES[i][j])
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encrypted_answer = NullEncryptedAnswer(answer=answer)
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ballot.encrypted_answers.append(encrypted_answer)
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vote = Vote(ballot=ballot, cast_at=DateTimeField.now())
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election.voters[i].votes.append(vote)
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election.save()
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# Close voting
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self.do_task_assert(election, 'eos.base.workflow.TaskCloseVoting', 'eos.base.workflow.TaskDecryptVotes')
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election.save()
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# "Decrypt" votes
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self.do_task_assert(election, 'eos.base.workflow.TaskDecryptVotes', 'eos.base.workflow.TaskReleaseResults')
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election.save()
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# Check result
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RESULTS = [[[0], [0, 1], [2]], [[0], [1], [0]]]
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for i in range(len(RESULTS)):
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votes1 = RESULTS[i]
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votes2 = [x.choices for x in election.results[i].answers]
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self.assertEqual(sorted(votes1), sorted(votes2))
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# Release result
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self.do_task_assert(election, 'eos.base.workflow.TaskReleaseResults', None)
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election.save()
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