public void EditMovie_ValidMoviePassed_UpdatesEntityStateAndSavesChanges() { // ARRANGE var movieToUpdate = _movies.FirstOrDefault(); movieToUpdate.Price = (decimal)5.99; // ACT _dal.EditMovie(movieToUpdate); // ASSERT _mockDbContext.Verify(m => m.SetModified(movieToUpdate), Times.Once); _mockDbContext.Verify(m => m.SaveChanges(), Times.Once); }