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);
}
}
public async Task Existing_connection_can_be_opened_and_closed_externally_async()
{
var dbConnection = new FakeDbConnection(
"Database=FrodoLives",
state: ConnectionState.Closed);
using (var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension().WithConnection(dbConnection))))
{
Assert.Equal(0, connection.DbConnections.Count);
await connection.OpenAsync(default(CancellationToken));
Assert.Equal(0, connection.DbConnections.Count);
Assert.Equal(1, dbConnection.OpenCount);
connection.Close();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
dbConnection.SetState(ConnectionState.Open);
await connection.OpenAsync(default(CancellationToken));
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
connection.Close();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
dbConnection.SetState(ConnectionState.Closed);
await connection.OpenAsync(default(CancellationToken));
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
connection.Close();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
dbConnection.SetState(ConnectionState.Open);
await connection.OpenAsync(default(CancellationToken));
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
dbConnection.SetState(ConnectionState.Closed);
connection.Close();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
await connection.OpenAsync(default(CancellationToken));
await connection.OpenAsync(default(CancellationToken));
Assert.Equal(3, dbConnection.OpenCount);
dbConnection.SetState(ConnectionState.Closed);
await connection.OpenAsync(default(CancellationToken));
Assert.Equal(4, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
dbConnection.SetState(ConnectionState.Closed);
connection.Close();
Assert.Equal(4, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
}
}