public void ReduceValues_Should_ReduceToValue_When_PreserveCount(long preserve)
{
var settings = new HistorySettings(preserve);
var values = GetValues();
var anomalies = GetAnomalies();
var count = values.Count;
var reductionResult = settings.ReduceValues(values, anomalies, new DateTimeOffset(2018, 1, 2, 0, 0, 1, TimeSpan.Zero));
var expected = CompareUtilities.Min(count, CompareUtilities.Max(0, count - preserve + anomalies.Count));
reductionResult.Should().Be(expected);
values.Count.Should().Be(count - (int)expected);
anomalies.Count.Should().Be(0);
}
public void ReduceValues_Should_ReduceToValue_When_PreserveTimeSpan(int preserve)
{
var settings = new HistorySettings(TimeSpan.FromSeconds(1));
var values = GetValues();
var anomalies = GetAnomalies();
var count = values.Count;
var referenceDate = new DateTimeOffset(2018, 1, 5, 0, 0, 1, TimeSpan.Zero).AddDays(-preserve);
var reductionResult = settings.ReduceValues(values, anomalies, referenceDate);
var expected = CompareUtilities.Min(count, CompareUtilities.Max(0, (2 * (4 - preserve)) + anomalies.Count));
reductionResult.Should().Be(expected);
values.Count.Should().Be(count - expected);
anomalies.Count.Should().Be(0);
}
public void Min_Should_ReturnLowestValue(int high, int low)
{
Assert.Equal(low, CompareUtilities.Min(low, high));
}