public void Existing_connection_can_be_opened_and_closed_externally()
{
var dbConnection = new FakeDbConnection(
"Database=FrodoLives",
state: ConnectionState.Closed);
using (var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { Connection = dbConnection })))
{
Assert.Equal(0, connection.DbConnections.Count);
connection.Open();
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);
connection.Open();
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);
connection.Open();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
connection.Close();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
}
}
public void Existing_connection_is_not_disposed_even_after_being_opened_and_closed()
{
var dbConnection = new FakeDbConnection("Database=FrodoLives");
var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { Connection = dbConnection }));
Assert.Equal(0, connection.DbConnections.Count);
Assert.Same(dbConnection, connection.DbConnection);
connection.Open();
connection.Close();
connection.Dispose();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
Assert.Equal(0, dbConnection.DisposeCount);
Assert.Equal(0, connection.DbConnections.Count);
Assert.Same(dbConnection, connection.DbConnection);
connection.Open();
connection.Close();
connection.Dispose();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
Assert.Equal(0, dbConnection.DisposeCount);
}
public void Existing_connection_can_start_in_opened_state()
{
var dbConnection = new FakeDbConnection(
"Database=FrodoLives",
state: ConnectionState.Open);
using (var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { Connection = dbConnection })))
{
Assert.Equal(0, connection.DbConnections.Count);
connection.Open();
Assert.Equal(0, connection.DbConnections.Count);
Assert.Equal(0, dbConnection.OpenCount);
connection.Open();
connection.Open();
Assert.Equal(0, dbConnection.OpenCount);
connection.Close();
connection.Close();
Assert.Equal(0, dbConnection.OpenCount);
Assert.Equal(0, dbConnection.CloseCount);
connection.Close();
Assert.Equal(0, dbConnection.OpenCount);
Assert.Equal(0, dbConnection.CloseCount);
connection.Open();
Assert.Equal(0, dbConnection.OpenCount);
connection.Close();
Assert.Equal(0, dbConnection.OpenCount);
Assert.Equal(0, dbConnection.CloseCount);
}
}
public void Existing_connection_is_opened_and_closed_when_necessary()
{
var dbConnection = new FakeDbConnection("Database=FrodoLives");
using (var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { Connection = dbConnection })))
{
Assert.Equal(0, connection.DbConnections.Count);
connection.Open();
Assert.Equal(0, connection.DbConnections.Count);
Assert.Equal(1, dbConnection.OpenCount);
connection.Open();
connection.Open();
Assert.Equal(1, dbConnection.OpenCount);
connection.Close();
connection.Close();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(0, dbConnection.CloseCount);
connection.Close();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
connection.Open();
Assert.Equal(2, dbConnection.OpenCount);
connection.Close();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
}
}
public void Lazy_connection_is_recreated_if_used_again_after_being_disposed()
{
var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { ConnectionString = "Database=FrodoLives" }));
Assert.Equal(0, connection.DbConnections.Count);
var dbConnection = (FakeDbConnection)connection.DbConnection;
Assert.Equal(1, connection.DbConnections.Count);
connection.Open();
#if NET451
// On CoreCLR, DbConnection.Dispose() calls DbConnection.Close()
connection.Close();
#endif
connection.Dispose();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
Assert.Equal(1, dbConnection.DisposeCount);
Assert.Equal(1, connection.DbConnections.Count);
dbConnection = (FakeDbConnection)connection.DbConnection;
Assert.Equal(2, connection.DbConnections.Count);
connection.Open();
#if NET451
connection.Close();
#endif
connection.Dispose();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
Assert.Equal(1, dbConnection.DisposeCount);
}
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 void Lazy_connection_is_opened_and_closed_when_necessary()
{
using (var connection = new FakeRelationalConnection(
CreateOptions(new FakeRelationalOptionsExtension { ConnectionString = "Database=FrodoLives" })))
{
Assert.Equal(0, connection.DbConnections.Count);
connection.Open();
Assert.Equal(1, connection.DbConnections.Count);
var dbConnection = connection.DbConnections[0];
Assert.Equal(1, dbConnection.OpenCount);
connection.Open();
connection.Open();
Assert.Equal(1, dbConnection.OpenCount);
connection.Close();
connection.Close();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(0, dbConnection.CloseCount);
connection.Close();
Assert.Equal(1, dbConnection.OpenCount);
Assert.Equal(1, dbConnection.CloseCount);
connection.Open();
Assert.Equal(2, dbConnection.OpenCount);
connection.Close();
Assert.Equal(2, dbConnection.OpenCount);
Assert.Equal(2, dbConnection.CloseCount);
}
}