public void TestMaximumPoolSizeIsEnsured()
{
var builder = new MongoConnectionStringBuilder { MaximumPoolSize = 2 };
using(var pool = new PooledConnectionFactory(builder.ToString()))
{
var connection1 = pool.Open();
Assert.IsNotNull(connection1);
Assert.IsNotNull(pool.Open());
RawConnection connection3 = null;
var thread = new Thread(o =>
{
connection3 = pool.Open();
});
thread.Start();
Thread.Sleep(300);
Assert.IsNull(connection3);
pool.Close(connection1);
Thread.Sleep(300);
Assert.IsNotNull(connection3);
thread.Abort();
}
}
public void TestClose()
{
using(var pool = new PooledConnectionFactory(string.Empty))
{
var connection1 = pool.Open();
pool.Close(connection1);
var connection2 = pool.Open();
Assert.AreEqual(connection1,connection2);
Assert.AreEqual(1, pool.PoolSize);
}
}
public void TestExceptionIfMaximumPoolSizeAndConnectionTimeoutAreReached()
{
var builder = new MongoConnectionStringBuilder { MaximumPoolSize = 1, ConnectionTimeout = TimeSpan.FromMilliseconds(500)};
using(var pool = new PooledConnectionFactory(builder.ToString()))
{
pool.Open();
pool.Open();
}
}
public void TestDisconnectedConnectionsArentReturndToPool()
{
using(var pool = new PooledConnectionFactory(string.Empty))
{
var connection = pool.Open();
connection.Dispose();
pool.Close(connection);
Assert.AreEqual(0, pool.PoolSize);
}
}
public void TestBorrowOneConnection()
{
var builder = new MongoConnectionStringBuilder();
using(var pool = new PooledConnectionFactory(builder.ToString()))
{
var connection = pool.Open();
Assert.IsNotNull(connection);
Assert.AreEqual(1, pool.PoolSize);
}
}
public void TestServerCirculationWorks()
{
var builder = new MongoConnectionStringBuilder();
builder.AddServer("localhost", 27017);
builder.AddServer("localhost", 27018);
using(var pool = new PooledConnectionFactory(builder.ToString()))
{
var connection1 = pool.Open();
var connection2 = pool.Open();
var connection3 = pool.Open();
var connection4 = pool.Open();
var connection5 = pool.Open();
Assert.AreEqual(27017, connection1.EndPoint.Port);
Assert.AreEqual(27018, connection2.EndPoint.Port);
Assert.AreEqual(27017, connection3.EndPoint.Port);
Assert.AreEqual(27018, connection4.EndPoint.Port);
Assert.AreEqual(27017, connection5.EndPoint.Port);
}
}
public void TestCleanup()
{
var builder = new MongoConnectionStringBuilder
{
MinimumPoolSize = 0,
ConnectionLifetime = TimeSpan.FromMilliseconds(100)
};
using(var pool = new PooledConnectionFactory(builder.ToString()))
{
var connection1 = pool.Open();
var connection2 = pool.Open();
var connection3 = pool.Open();
pool.Close(connection1);
pool.Close(connection2);
pool.Close(connection3);
Thread.Sleep(300); // ensure lifetime reached
pool.Cleanup();
Assert.AreEqual(0,pool.PoolSize);
}
}
public void TestIfConnectionLifetimeIsReachedItDoesNotReturndToPool()
{
var builder = new MongoConnectionStringBuilder
{
ConnectionLifetime = TimeSpan.FromMilliseconds(100)
};
using(var pool = new PooledConnectionFactory(builder.ToString()))
{
var connection = pool.Open();
Thread.Sleep(200); // wait for lifetime reached
pool.Close(connection);
Assert.AreEqual(0, pool.PoolSize);
}
}