public DeviationComparison(string outputPath)
{
this.outputPath = outputPath;
votingSystemList = getVotingSystemList();
politicalSpectrum = new Spectrum();
voterList = Voter.createVoterList(Tweakables.VOTER_COUNT, politicalSpectrum);
System.IO.File.WriteAllText(@outputPath, Tweakables.TRIAL_COUNT + " trials run with " + Tweakables.CANDIDATE_COUNT + " candidates and " + Tweakables.VOTER_COUNT + " voters and " + Tweakables.SPECTRUM_DIMENSIONS + " political spectrum dimensions." + Environment.NewLine);
System.IO.File.AppendAllText(@outputPath, ElectionSummary.getHeader(votingSystemList));
System.IO.File.AppendAllText(@outputPath, Environment.NewLine);
}
public void runSimulation(int trials)
{
Roster roster;
List <Ballot> ballotList;
Dictionary <BallotInstructions, List <Ballot> > ballotDictionary = new Dictionary <BallotInstructions, List <Ballot> >();
VotingSystemResult votingSystemResult;
List <VoteSummary> voteSummaryList = new List <VoteSummary>();
for (int i = 0; i < trials; i++)
{
roster = new Roster(voterList);
foreach (Voter voter in voterList)
{
voter.setRoster(roster);
}
ballotDictionary.Clear();
foreach (VotingSystem votingSystem in votingSystemList)
{
// Get or create the ballots
if (ballotDictionary.ContainsKey(votingSystem.ballotInstructions))
{
ballotList = ballotDictionary[votingSystem.ballotInstructions];
}
else
{
ballotList = new List <Ballot>();
foreach (Voter voter in voterList)
{
ballotList.Add(voter.createBallot(votingSystem.ballotInstructions));
}
ballotDictionary.Add(votingSystem.ballotInstructions, ballotList);
}
// Get the vote summary
votingSystemResult = votingSystem.getResult(roster, ballotList);
voteSummaryList.Add(getVoteSummary(votingSystemResult));
}
ElectionSummary summary = new ElectionSummary(
roster.lowestDeviationCandidate.voter.position.deviation,
roster.highestDeviationCandidate.voter.position.deviation,
voteSummaryList
);
System.IO.File.AppendAllText(@outputPath, summary.ToString() + Environment.NewLine);
System.Console.WriteLine("Simulation {0} complete", i + 1);
Console.ReadKey();
System.Console.WriteLine("");
}
}
private static void SortTallies(this ElectionSummary summary)
{
if (summary?.BallotEntries == null)
{
return;
}
foreach (var entry in summary.BallotEntries)
{
entry.Tallies = entry.Tallies.OrderByDescending(t => t.VoteCount);
}
}
private static ElectionSummary ToOrderedSummary(this ElectionSummary summary)
{
if (summary is null)
{
return(null);
}
// This is a quick way to make a deep copy. We may want to look at automapper
// and converting the extension methods to a service so that Automapper can be injected
// into the service and used. For now, just a quick serialization and deserialization
// does the trick without having to worry about specific columns
var serialized = JsonConvert.SerializeObject(summary);
var copy = JsonConvert.DeserializeObject <ElectionSummary>(serialized);
copy.SortTallies();
return(copy);
}
public async Task ImportElectionResultsData(ElectionSummary electionSummary)
{
try
{
if (electionSummary != null)
{
var table = await GetElectionSummaryTable();
var operation = TableOperation.InsertOrReplace(electionSummary.ToElectionSummaryEntity());
await table.ExecuteAsync(operation);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to import tracking data.");
throw;
}
}
public static ElectionSummaryEntity ToElectionSummaryEntity(this ElectionSummary summary)
{
if (summary is null)
{
return(null);
}
var json = JsonConvert.SerializeObject(summary.BallotEntries);
var orderedJson = JsonConvert.SerializeObject(summary.ToOrderedSummary().BallotEntries);
return(new ElectionSummaryEntity
{
IsComplete = true,
PartitionKey = AzTableStorageElectionResultsRepository.ElectionSummaryPartitionKey,
RowKey = AzTableStorageElectionResultsRepository.ElectionSummaryRowKey,
BallotEntries = json,
OrderedBallotEntries = orderedJson
});
}
public static ElectionSummary ToElectionSummary(this ElectionSummaryEntity entity)
{
if (entity is null)
{
return(null);
}
var summary = new ElectionSummary
{
IsComplete = entity.IsComplete,
BallotEntries = JsonConvert.DeserializeObject <List <BallotEntry> >(entity.OrderedBallotEntries ?? entity.BallotEntries)
};
if (string.IsNullOrWhiteSpace(entity.OrderedBallotEntries))
{
summary.SortTallies();
}
return(summary);
}
public static Mock <IElectionResultsService> CreateElectionResultsService(
List <BallotStatus> trackers = null,
ElectionSummary summary = null)
{
var mock = new Mock <IElectionResultsService>();
mock.Setup(m => m.GetBallotsMatchingPattern(It.IsAny <string>()))
.ReturnsAsync(() =>
{
return(trackers ?? new List <BallotStatus>());
});
mock.Setup(m => m.GetElectionSummary())
.ReturnsAsync(() =>
{
return(summary ?? new ElectionSummary
{
IsComplete = false
});
});
return(mock);
}
private ElectionSummary GetTestElectionSummary()
{
var summary = new ElectionSummary
{
IsComplete = true,
BallotEntries = new List <BallotEntry>
{
new BallotEntry
{
RaceId = "president",
Description = "President",
Name = "President",
Tallies = new List <Tally>
{
new Tally
{
SelectionId = "candidate1",
Name = "Candidate 1",
Description = "Candidate 1",
Party = "Party 1",
VoteCount = 3
},
new Tally
{
SelectionId = "candidate2",
Name = "Candidate 2",
Description = "Candidate 2",
Party = "Party 2",
VoteCount = 54
}
}
}
}
};
return(summary);
}
public static Mock <IDataParser <ElectionSummary> > CreateElectionResultsDataParser(ElectionSummary summary = null)
{
var mock = new Mock <IDataParser <ElectionSummary> >();
mock.Setup(m => m.ParseCsvData(It.IsAny <Stream>()))
.Returns(() =>
{
var s = summary ?? new ElectionSummary();
return(new List <ElectionSummary> {
s
});
});
return(mock);
}
public void ToElectionSummaryEntity_ReturnsNull()
{
ElectionSummary summary = null;
Assert.IsNull(summary.ToElectionSummaryEntity());
}
