public async Task GivenAFittingDate_WhenGetTotalBuysIsCalled_ThenItemsRepositoryAndOrdersRepositoryBothAreCalled()
{
//Arrange
var orderItems = GetSampleOrderItems();
var orders = GetSampleOrders();
_mockOrderRepository.Setup(x => x.Find(It.IsAny <DateTime>())).ReturnsAsync(orders);
_mockOrderItemsRepository.Setup(x => x.GetOrderItems()).ReturnsAsync(orderItems);
_orderItemsService = new OrderItemsService(_mockOrderItemsRepository.Object, _mockOrderRepository.Object);
//Act
await _orderItemsService.GetTotalBuys(It.IsAny <DateTime>());
//Assert
_mockOrderItemsRepository.Verify(x => x.GetOrderItems(), Times.AtLeast(1));
_mockOrderRepository.Verify(x => x.Find(It.IsAny <DateTime>()), Times.AtLeast(1));
}
public async Task GivenAFittingDate_WhenGetTotalBuysIsCalled_ThenReturnTotalPriceFortheDay()
{
//Arrange
var orderItems = GetSampleOrderItems();
var ordersForTheDay = GetSampleOrders();
_mockOrderRepository.Setup(x => x.Find(It.IsAny <DateTime>())).ReturnsAsync(ordersForTheDay);
_mockOrderItemsRepository.Setup(x => x.GetOrderItems()).ReturnsAsync(orderItems);
_orderItemsService = new OrderItemsService(_mockOrderItemsRepository.Object, _mockOrderRepository.Object);
//Act
var result = await _orderItemsService.GetTotalBuys(new DateTime(2018, 5, 12));
//Assert
Assert.IsInstanceOf <decimal>(result);
Assert.AreEqual(300, result);
}
public Task <decimal> GetTotalBuys(DateTime dateTime)
{
var result = _orderItemsService.GetTotalBuys(dateTime);
return(result);
}
