public void CanAddNote()
{
// ARRANGE
string expectedName = "Verbose Notes";
string expectedNoteText = "This is just a reminder to go to the store.";
var expectedNote = Substitute.For <INote>();
var subjectUnderTest = new Category(expectedName, _noteFactory, _subscriberFactory);
_noteFactory.Create(expectedNoteText).Returns(expectedNote);
// ACT
var result = subjectUnderTest.AddNote(expectedNoteText);
// ASSERT
Assert.That(result, Is.InstanceOf(typeof(INote)));
Assert.That(result, Is.SameAs(expectedNote));
Assert.That(subjectUnderTest.Notes, Is.Not.Null);
Assert.That(subjectUnderTest.Notes.Count, Is.EqualTo(1));
_noteFactory.Received(1).Create(expectedNoteText);
}
public INote AddNote(string text)
{
if (string.IsNullOrEmpty(text))
{
throw new ArgumentException("Note text required.", nameof(text));
}
var note = _noteFactory.Create(text);
if (null == Notes)
{
Notes = new List <INote>();
}
Notes.Add(note);
return(note);
}