public void CreateTest_should_invoke_repository_one_time()
{
// test event 的結果
_budgetService = new BudgetService(_budgetRepositoryStub);
var wasCreated = false;
_budgetService.Created += (sender, e) => wasCreated = true;
var model = new BudgetAddViewModel {
Amount = 2000, Month = "2017-02"
};
_budgetService.Create(model);
_budgetRepositoryStub.Received().Save(Arg.Is <Budget>(x => x.Amount == 2000 && x.YearMonth == "2017-02"));
Assert.IsTrue(wasCreated);
}
