public void TestClickLoadWithExcpetionOnLoadImage()
{
// Create a substitute for all interface
var display = Substitute.For <IDisplay>();
var extBitmap = Substitute.For <IExtBitmap>();
var iLoad = Substitute.For <ILoad>();
var iSave = Substitute.For <ISave>();
// Get the instance of BusinessPresentation
BusinessPresentation bp = new BusinessPresentation(iLoad, iSave, extBitmap, display);
// Get a fake picture from the form
PictureBox fakePictureBox = new PictureBox();
fakePictureBox.Image = Properties.Resources.firefox;
//instructions to NSubstitute : Throw an exception
iLoad
.When(x => x.LoadImage())
.Do(x => { throw new Exception(); });
bp.ClickLoad(fakePictureBox);
//access to internal variables of the class
Assert.AreEqual(bp.iHaveException, true);
}
public void TestClickLoadWithNoException()
{
// Create a substitute for all interface
var display = Substitute.For <IDisplay>();
var extBitmap = Substitute.For <IExtBitmap>();
var iLoad = Substitute.For <ILoad>();
var iSave = Substitute.For <ISave>();
// Get the instance of BusinessPresentation
BusinessPresentation bp = new BusinessPresentation(iLoad, iSave, extBitmap, display);
// Get a fake picture from the form
PictureBox fakePictureBox = new PictureBox();
fakePictureBox.Image = Properties.Resources.firefox;
bp.ClickLoad(fakePictureBox);
//access to internal variables of the class
Assert.AreEqual(bp.iHaveException, false);
}
