public static string JunkTSV(int days)
{
int count = recordsPerDay * days;
var start = DateTime.Today.AddDays(-days).AddHours(DateTime.Now.Hour).AddMinutes((DateTime.Now.Minute / 5) * 5);
StringBuilder sb = new StringBuilder();
sb.AppendLine("date total sessions fallback ratio");
var random = new Random(12345);
var ratio = .1m;
for (var i = 0; i < count; i++)
{
var offset = start - peak;
var periodInDay = (offset.Hour * 60 + offset.Minute) / 5;
var r = Convert.ToDouble(periodInDay) * radiansPerPeriod;
var cosR = (Math.Cos(r) + 1D) / 2D; // map it to [0,1]
var numUsers = Convert.ToInt32((range * cosR) + minUsers);
var record = new HopperCount
{
Date = start,
TotalCount = numUsers,
FallbackRatio = ratio + (Decimal) (random.NextDouble() / 10D) - .05M
};
sb.AppendLine(record.ToString());
start = start.AddMinutes(recordPeriodMinutes);
}
return sb.ToString();
}
private static HopperCount ExpectedFirstRecord()
{
var expected = new HopperCount
{
Date = DateTime.Parse("2012-12-05T17:00:00.0000000-08:00"),
FallbackHoppers = 106,
FallbackRatio = .057M,
Sessions = 139562,
TotalCount = 186273
};
return expected;
}