public void TestIfPostgreStyleSortsProperly()
{
var g1 = MaxGuid();
var g2 = Guid.Empty;
// Inject the dates
var d = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
var comb1 = PostgreCombs.Create(g1, d);
var comb2 = PostgreCombs.Create(g2, d.AddMilliseconds(1));
Assert.Equal(-1, comb1.CompareTo(comb2));
}
public void TestIfHybridStyleSortsProperly()
{
var g1 = MaxGuid();
var g2 = Guid.Empty;
// Inject the dates
var d = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
System.Data.SqlTypes.SqlGuid comb1 = HybridCombs.Create(g1, d);
System.Data.SqlTypes.SqlGuid comb2 = HybridCombs.Create(g2, d.AddMilliseconds(1));
//Console.WriteLine(comb1.ToString());
//Console.WriteLine(comb2.ToString());
Assert.Equal(-1, comb1.CompareTo(comb2));
}
protected override async Task <Shelter> HandleCore(AddCmd cmd)
{
cmd.ShelterId = _guidProvider.Create();
var result = await _repo.QueryAsync <Shelter>(_repo.Queries.Shelter.Insert, cmd);
return(result.FirstOrDefault());
}
/// <summary>
/// Ensure that the date provided to be injected into a GUID is the same date we get back from it.
/// Allowed for an optional resolution loss in the time. Calculates the delta using ticks to
/// avoid floating point drift in using TotalMilliseconds.
/// </summary>
private void IsReversible(ICombProvider Comb, int ClockDriftAllowedMs) {
var dt = DateTime.UtcNow;
var comb = Comb.Create(dt);
var dtDecoded = Comb.GetTimestamp(comb);
var delta = (dtDecoded.Ticks - dt.Ticks) / 10000;
Assert.InRange(delta, -ClockDriftAllowedMs, ClockDriftAllowedMs);
}
/// <summary>
/// Ensure that the date provided to be injected into a GUID is the same date we get back from it.
/// Allowed for an optional resolution loss in the time. Calculates the delta using ticks to
/// avoid floating point drift in using TotalMilliseconds.
/// </summary>
private void IsReversible(ICombProvider Comb, int ClockDriftAllowedMs)
{
var dt = DateTime.UtcNow;
var comb = Comb.Create(dt);
var dtDecoded = Comb.GetTimestamp(comb);
var delta = (dtDecoded.Ticks - dt.Ticks) / 10000;
Assert.InRange(delta, -ClockDriftAllowedMs, ClockDriftAllowedMs);
}
public void TestUtcNoRepeatTimestampProvider()
{
var g1 = SqlNoRepeatCombs.Create();
var dt1 = SqlNoRepeatCombs.GetTimestamp(g1);
var inSequenceCount = 0;
for (var i = 0; i < 1000; i++)
{
var g2 = SqlNoRepeatCombs.Create();
var dt2 = SqlNoRepeatCombs.GetTimestamp(g2);
if (dt2 > dt1)
{
inSequenceCount++;
}
else
{
Console.WriteLine($"{dt1:MM/dd/yyyy hh:mm:ss.fff} > {dt2:MM/dd/yyyy hh:mm:ss.fff}");
}
dt1 = dt2;
}
Assert.Equal(1000, inSequenceCount);
}
public Guid GenerateID(Guid id)
{
return(_sqlNoRepeatCombs.Create(id));
}
public static Guid Create()
{
return(SqlNoRepeatCombs.Create());
}
