/// <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>
/// <param name="dataSession">Active data session</param>
/// <param name="entitiesExpression">Entities expression</param>
protected MockRepositoryBase(IDataSession dataSession, Func <TScenarioInterface, IList <TEntity> > entitiesExpression)
{
//Arguments validation
if (dataSession == null)
{
throw new ArgumentNullException(nameof(dataSession));
}
//Convert to IMockDataSession
var mockupSession = dataSession.AsMockDataSession();
//Get scenario from data session
IScenario scenarioFromDataSession = mockupSession.GetScenario();
//Try cast of scenario to provided interface
if (!(scenarioFromDataSession is TScenarioInterface castedScenario))
{
throw new InvalidCastException("Scenario contained on data session is of " +
$"type '{scenarioFromDataSession.GetType().FullName}' and cannot be converted " +
$"to type '{typeof(TScenarioInterface).FullName}'.");
}
//Set data session and scenario
DataSession = mockupSession;
Scenario = castedScenario;
//Initialize working mocked entities
MockedEntities = entitiesExpression(Scenario);
}
