/// <summary>
/// Get scenario of specified type from data session
/// </summary>
/// <typeparam name="TScenario">Type of scenario</typeparam>
/// <param name="instance">Instance</param>
/// <returns>Returns scenario</returns>
public static TScenario GetScenario <TScenario>(this IDataSession instance)
{
//Arguments validation
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
//Try to cast to IMockDataSession
IMockDataSession mockupSession = instance.AsMockDataSession();
//Get scenario from data session
IScenario scenarioFromDataSession = mockupSession.GetScenario();
//Try cast of scenario to provided type
if (!(scenarioFromDataSession is TScenario castedScenario))
{
throw new InvalidCastException("Scenario contained on data session is of " +
$"type '{scenarioFromDataSession.GetType().FullName}' and cannot be converted " +
$"to type '{typeof(TScenario).FullName}'.");
}
//Return scenario
return(castedScenario);
}
/// <summary>
/// Constructor
/// </summary>
public MockDataTransaction(IMockDataSession dataSession)
{
//Validazione argomenti
if (dataSession == null)
{
throw new ArgumentNullException(nameof(dataSession));
}
//Imposto lo stato iniziale
IsActive = true;
IsTransactionOwner = true;
WasCommitted = false;
WasRolledBack = false;
//Imposto la data session
_DataSession = dataSession;
//Se già esiste una transanzione sull'holder, esco
if (_DataSession.Transaction != null)
{
return;
}
//Imposto l'istanza corrente
_DataSession.SetActiveTransaction(this);
}
/// <summary>
/// Convert provided data session in "IMockDataSession"
/// </summary>
/// <param name="instance">Instance</param>
/// <returns>Returns converted data session</returns>
public static IMockDataSession AsMockDataSession(this IDataSession instance)
{
//Arguments validation
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
//Tento il cast della sessione generica a MockDataSession
IMockDataSession mockSession = instance as IMockDataSession;
if (mockSession == null)
{
throw new InvalidCastException($"Specified data session of type '{instance.GetType().FullName}' " +
$"cannot be converted to type '{typeof(IMockDataSession).FullName}'.");
}
//Returns instance
return(mockSession);
}