public async Task Lazy_connection_is_async_opened_and_closed_when_necessary()
{
using (var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { ConnectionString = "Database=FrodoLives" })))
{
Assert.Equal(0, connection.DbConnections.Count);
var cancellationToken = new CancellationTokenSource().Token;
await connection.OpenAsync(cancellationToken);
Assert.Equal(1, connection.DbConnections.Count);
var dbConnection = connection.DbConnections[0];
Assert.Equal(1, dbConnection.OpenAsyncCount);
await connection.OpenAsync(cancellationToken);
await connection.OpenAsync(cancellationToken);
Assert.Equal(1, dbConnection.OpenAsyncCount);
connection.Close();
connection.Close();
Assert.Equal(1, dbConnection.OpenAsyncCount);
Assert.Equal(0, dbConnection.CloseCount);
connection.Close();
Assert.Equal(1, dbConnection.OpenAsyncCount);
Assert.Equal(1, dbConnection.CloseCount);
await connection.OpenAsync(cancellationToken);
Assert.Equal(2, dbConnection.OpenAsyncCount);
connection.Close();
Assert.Equal(2, dbConnection.OpenAsyncCount);
Assert.Equal(2, dbConnection.CloseCount);
}
}
