public void PresentationExistsReturnsFalseIfPresentationDoesNotExist()
{
var target = new DatabaseContext();
var success = target.PresentationExists(99);
Assert.IsFalse(success);
}
public void PresentationExistsReturnsTrueIfPresentationExists()
{
var target = new DatabaseContext();
var presentation = TestPresentation();
var db = new PresentationsEntities();
db.Presentations.Add(presentation);
db.SaveChanges();
var result = target.PresentationExists(presentation.PresentationId);
Assert.IsTrue(result);
}