public void AddCheckResult_AddsStats()
{
var beforeCnt = _systemUnderTest.GetAllStats().Count();
var result = CheckResultTests.CreateCheckResult();
_systemUnderTest.AddCheckResult(result);
var afterCnt = _systemUnderTest.GetAllStats().Count();
Assert.True(afterCnt == beforeCnt + 1);
}
public void AddCheckResult_ProducesFirstStats()
{
var result = CheckResultTests.CreateCheckResult();
_systemUnderTest.AddCheckResult(result);
var stats = _systemUnderTest.GetAllStats().Single();
Assert.Null(stats.ChangeSince);
Assert.Equal(Statistics.Variation.NoData, stats.ChangeType);
Assert.Null(stats.PreviousDifferentResult);
}
public void AddCheckResult_UpdatesExistingStats_ForSameStatus()
{
var now = DateTimeOffset.UtcNow;
var result1 = CheckResultTests.CreateCheckResult(now);
var result2 = CheckResultTests.CreateCheckResult(now.AddMinutes(15));
_systemUnderTest.AddCheckResult(result1);
_systemUnderTest.AddCheckResult(result2);
var allStats = _systemUnderTest.GetAllStats().ToArray();
Assert.Equal(1, allStats.Length);
var stats = allStats.Single();
Assert.NotNull(stats.ChangeSince);
Assert.InRange(stats.ChangeSince.Value, TimeSpan.FromMinutes(14), TimeSpan.FromMinutes(16));
Assert.Equal(Statistics.Variation.NoData, stats.ChangeType);
Assert.Null(stats.PreviousDifferentResult);
}
