public void NextId_Test()
{
var worker = new SnowflakeIdWorker(0, 0);
var id1 = worker.NextId();
var id2 = worker.NextId();
Assert.IsTrue(id1 > 0);
Assert.IsTrue(id2 > 0);
Assert.IsTrue(id1 != id2);
Console.WriteLine(id1);
Console.WriteLine(id2);
}
public void Next_Base36_Decode_Test()
{
var snowflakeIdWorker = new SnowflakeIdWorker(1, 1);
var nextId = snowflakeIdWorker.NextId();
var encode = Base36Converter.Encode(nextId);
var decode = Base36Converter.Decode(encode);
Console.WriteLine(encode);
Assert.AreEqual(nextId, decode);
}
/// <summary>
/// 获取添加数据的SQL语句
/// <summary>
public string SetInsert()
{
string strSQL = "INSERT INTO [User] (UserID,DingDingUserID,DingDingDeptID,UserName,Account,Password,ChangeTime,Mobile,WorkPlace,Memo,IsDeleted) VALUES (@UserID,@DingDingUserID,@DingDingDeptID,@UserName,@Account,@Password,getdate(),@Mobile,@WorkPlace,@Memo,@IsDeleted)";
UserID = snowflakeIdWorker.NextId().ToString();
SqlParameter[] sp = new SqlParameter[11];
sp[0] = new SqlParameter("@UserID", UserID);
sp[1] = new SqlParameter("@DingDingUserID", DingDingUserID);
sp[2] = new SqlParameter("@DingDingDeptID", DingDingDeptID);
sp[3] = new SqlParameter("@UserName", UserName);
sp[4] = new SqlParameter("@Account", Account);
sp[5] = new SqlParameter("@Password", Password);
sp[6] = new SqlParameter("@ChangeTime", ChangeTime);
sp[7] = new SqlParameter("@Mobile", Mobile);
sp[8] = new SqlParameter("@WorkPlace", WorkPlace);
sp[9] = new SqlParameter("@Memo", Memo);
sp[10] = new SqlParameter("@IsDeleted", IsDeleted);
new DbHelper().ExcuteNonQuery(strSQL, sp);
return(UserID);
}
public void IDWorkTest()
{
long startTimestmap = (long)(DateTime.UtcNow.AddDays(-20) - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
IIDWorker iDWorker = new SnowflakeIdWorker(startTimestmap, 10, 1);
int count = 300 * 10000;
HashSet <long> idSet = new HashSet <long>();
object testLock = new object();
AutoResetEvent autoResetEvent = new AutoResetEvent(false);
int invokeCount = 0;
try
{
for (int i = 0; i < count; i++)
{
Task.Run(() =>
{
var id = iDWorker.NextId();
lock (testLock)
{
if (!idSet.Add(id))
{
autoResetEvent.Set();
return;
}
}
Console.WriteLine(id);
if (count == Interlocked.Increment(ref invokeCount))
{
autoResetEvent.Set();
Console.WriteLine("go!");
}
});
}
autoResetEvent.WaitOne();
}
finally
{
autoResetEvent.Dispose();
}
Assert.AreEqual(count, idSet.Count);
Assert.AreEqual(count, invokeCount);
}
public void NextId_Duplicate_issues_2_Test()
{
var snowflakeIdWorker = new SnowflakeIdWorker(1, 1);
var blockingCollection = new BlockingCollection <long>();
var tasks = new List <Task>();
for (int i = 0; i < 100; i++)
{
var task = Task.Run(() =>
{
for (int j = 0; j < 10000; j++)
{
blockingCollection.Add(snowflakeIdWorker.NextId());
}
});
tasks.Add(task);
}
Task.WaitAll(tasks.ToArray());
Assert.AreEqual(1000000, blockingCollection.Distinct().Count());
}
public void MainTest()
{
Trace.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffffff"));
SnowflakeIdWorker idWorker = new SnowflakeIdWorker(0, 0);
for (int i = 0; i < 1000; i++)
{
Trace.WriteLine(string.Format("{0} {1}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffffff"), idWorker.NextId()));
}
Trace.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffffff"));
//SequentialGuidGenerator，效率低于SnowflakeIdWorker
for (int i = 0; i < 1000; i++)
{
var id = SequentialGuidGenerator.NewSequentialGuid(SequentialGuidType.SequentialAsString);
Trace.WriteLine(string.Format("{0} {1}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffffff"), id));
}
Trace.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffffff"));
}
