public void ShouldWorkWithEmptyListAsModel()
{
IView view = new MockView();
IModel model = new Model();
Presenter presenter = new Presenter(view, model);
Assert.IsNull(presenter.CurrentImagePath);
presenter.LoadAndShowNextImage();
Assert.IsNull(presenter.CurrentImagePath);
}
public void ShouldNumberImagesCorrectly()
{
IView view = new MockView();
IModel model = new Model(new List <string> {
"swap", "zero.txt", "one.jpg", "two.txt", "three.bmp", "another.tiff"
});
Presenter presenter = new Presenter(view, model);
Assert.AreEqual("1/3", presenter.GetCurrentImagePositionInCollection());
presenter.LoadNextImage().LoadNextImage().LoadNextImage().LoadPreviousImage();
Assert.AreEqual("3/3", presenter.GetCurrentImagePositionInCollection());
}