public void AddChildrenComment__does_not_allow_to_add_duplicate()
{
var newComment = new Comment();
var oldComment = new Comment();
oldComment.AddChildrenComment(newComment);
Exception ex = Assert.Throws <InvalidOperationException>(
() => oldComment.AddChildrenComment(newComment)
);
Assert.Equal("Duplicated comment", ex.Message);
}
public void AddChildrenComment__adding_new_comment_increments_collection()
{
var newComment = new Comment();
var oldComment = new Comment();
oldComment.AddChildrenComment(newComment);
Assert.Equal(oldComment.Childrens.ToList().Count, 1);
}
public void AddChildrenComment__does_not_allow_to_add_loop()
{
var newComment = new Comment();
Exception ex = Assert.Throws <InvalidOperationException>(
() => newComment.AddChildrenComment(newComment)
);
Assert.Equal("Looped comment", ex.Message);
}