public void MonthSplitterTest(int months, int items, int shouldItemsPerMonth)
{
//Arrange
var splitter = new MonthSplitter();
var timeRange = TimeRange.Create(DateTime.UtcNow, DateTime.UtcNow.AddMonths(months));
var testCollection = TestEntityGenerator
.Generate(timeRange, i =>
{
if (i == 0 || items % i == 0)
{
return(null);
}
var time = DateTime.UtcNow.AddDays(i);
var entity = new TestEntity();
entity.SetCreatedAt(time);
return(entity);
});
//Act
var splitted = splitter.Split(testCollection).ToList();
//Assert
var timeRanges = splitted.Select(x => x.Key);
var itemsPerMonth = splitted.First().Value.Count();
var daysAreEqual = splitted.All(x => x.Value.Count() == itemsPerMonth);
Assert.That(timeRanges.Count(), Is.EqualTo(months));
Assert.That(itemsPerMonth, Is.EqualTo(shouldItemsPerMonth));
Assert.That(daysAreEqual, Is.True);
}
private IEnumerable <TimeStatisticItem> SumItems(IEnumerable <TimeStatisticItem> statisticsPerDay, int daysPerItem, TimeRange expectedTimeRange)
{
for (var i = 0; i <= expectedTimeRange.DaysBetween / daysPerItem; i++)
{
var itemsToSum = statisticsPerDay.Skip(i * daysPerItem).Take(daysPerItem);
var sum = itemsToSum.Sum(x => x.Value);
var item = new TimeStatisticItem(TimeRange.Create(itemsToSum.First().Time.Start, itemsToSum.Last().Time.End), sum);
yield return(item);
}
}
public IEnumerable <KeyValuePair <TimeRange, IEnumerable <T> > > Split <T>(IEnumerable <T> collection) where T : ISplittable
{
var groupedByDay = collection.GroupBy(x => x.GetSplittable().Date);
foreach (var day in groupedByDay)
{
var timeRange = TimeRange.Create(day.Key, day.Key);
yield return(new KeyValuePair <TimeRange, IEnumerable <T> >(timeRange, day));
}
}
public IEnumerable <TimeRange> GetTimeRangeMovePerPeriod(string period, DateTime oldestMessageDatetime) //TODO test
{
var startOfCurrentPeriod = this.GetStartOfCurrentPeriod(period);
var moveForward = this.GetMoveForward(period);
var moveBackward = this.GetMoveBackward(period);
var daysAtEnd = this.GetDaysAtEnd(period);
return(TimeRange.Create(startOfCurrentPeriod, startOfCurrentPeriod.AddDays(moveForward.Invoke(startOfCurrentPeriod) - daysAtEnd).AddMilliseconds(-1))
.Move(TimeSpan.FromDays(-moveBackward.Invoke(startOfCurrentPeriod)))
.MoveWhile(x => !x.Contains(oldestMessageDatetime), x => TimeSpan.FromDays(-moveBackward.Invoke(x.Start))));
}
public IEnumerable <TimeStatisticItem> GetStatisticsPerMinute(IEnumerable <Message> latestMessages, TimeRange expectedTimeRange)
{
var result = new List <TimeStatisticItem>();
expectedTimeRange.ForeachMinute((i, minute) =>
{
var sum = latestMessages.Where(x => x.SentAt.Date == minute.Date && x.SentAt.Hour == minute.Hour && x.SentAt.Minute == minute.Minute).Count();
var item = new TimeStatisticItem(TimeRange.Create(minute, minute.AddMinutes(1).AddSeconds(-1)), sum);
result.Add(item);
});
return(result);
}
public IEnumerable <TimeStatisticItem> GetStatisticsPerHour(IEnumerable <Message> latestMessages, TimeRange expectedTimeRange)
{
var result = new List <TimeStatisticItem>();
expectedTimeRange.ForeachHour((i, hour) =>
{
var sum = latestMessages.Where(x => x.SentAt.Date == hour.Date && x.SentAt.Hour == hour.Hour).Count();
var item = new TimeStatisticItem(TimeRange.Create(hour, hour.AddHours(1).AddSeconds(-1)), sum);
result.Add(item);
});
return(result);
}
public IEnumerable <KeyValuePair <TimeRange, IEnumerable <T> > > Split <T>(IEnumerable <T> collection) where T : ISplittable
{
var groupedByYear = collection.GroupBy(x => x.GetSplittable().Date.Year).Select(x => (Year: x.Key, Month: x.GroupBy(y => y.GetSplittable().Month))).ToList();
foreach (var year in groupedByYear)
{
foreach (var month in year.Month)
{
var timeRange = TimeRange.Create(new DateTime(year.Year, month.Key, 1), new DateTime(year.Year, month.Key + 1, 1).AddMilliseconds(-1));
yield return(new KeyValuePair <TimeRange, IEnumerable <T> >(timeRange, month));
}
}
}
public IEnumerable <TimeStatisticItem> GetStatisticsPerDay(IEnumerable <PreGeneratedStatistic> preGeneratedStatistics, IEnumerable <Message> latestMessages, TimeRange expectedTimeRange)
{
latestMessages = this.FilterMessages(latestMessages, preGeneratedStatistics);
var oldestLastMessagesDate = latestMessages.OrderBy(x => x.SentAt).FirstOrDefault()?.SentAt ?? DateTime.Today;
var result = new List <TimeStatisticItem>();
expectedTimeRange.ForeachDay((i, day) =>
{
var sum = 0;
if (day >= oldestLastMessagesDate.Date)
{
sum += latestMessages.Where(x => x.SentAt.Date == day).Count();
}
sum += preGeneratedStatistics.Where(x => x.Period == Period.Day && x.TimeRange.Start == day).OrderBy(x => x.CreatedAt).FirstOrDefault()?.Count ?? 0;
var item = new TimeStatisticItem(TimeRange.Create(day, day.AddDays(1).AddSeconds(-1)), sum);
result.Add(item);
});
return(result);
}
public void DaySplitterTest(int days, int items, int shouldItemsPerDay)
{
//Arrange
var splitter = new DaySplitter();
var testCollection = TestEntityGenerator
.Generate(TimeRange.Create(DateTime.Now.Date.AddHours(12).AddDays(-days), DateTime.Now.Date.AddHours(12)), items);
//Act
var splitted = splitter.Split(testCollection).ToList();
//Assert
var timeRanges = splitted.Select(x => x.Key);
var itemsPerDay = splitted.First().Value.Count();
var daysAreEqual = splitted.All(x => x.Value.Count() == itemsPerDay);
Assert.That(timeRanges.Count(), Is.EqualTo(days));
Assert.That(itemsPerDay, Is.EqualTo(shouldItemsPerDay));
Assert.That(daysAreEqual, Is.True);
}
public TimeRange GetTimeRange()
{
return(TimeRange.Create(DateTime.UtcNow.AddMinutes(-this.MinutesSince), DateTime.UtcNow));
}
public TimeRange GetTimeRange() => TimeRange.Create(DateTime.UtcNow.AddMinutes(-MinutesSince), DateTime.UtcNow);
