public void GetDueDate_Patron_allDatesAndBookTitles() { Patron newPatron = new Patron("Britton"); newPatron.Save(); Book newBook1 = new Book("the book"); newBook1.Save(); Book newBook2 = new Book("the book2"); newBook2.Save(); Copy newCopy1 = new Copy(newBook1.GetId(), 15); newCopy1.Save(); Copy newCopy2 = new Copy(newBook2.GetId(), 15); newCopy2.Save(); newPatron.AddCopy(newCopy1); newPatron.AddCopy(newCopy2); List <string> expected = new List <string> { "the book", "2017-03-02", "the book2", "2017-03-02" }; List <string> dueDates = newPatron.GetDueDate(); Assert.Equal(expected, dueDates); }