public void SumGoodsTest_4筆一組_取Revenue總和()
{
IGroupPagingContext context = Substitute.For<IGroupPagingContext>();
context.Goodies.Returns(_goods);
GroupPagingService target = new GroupPagingService(context);
List<int> actual = target.SumGoods(GroupPagingType.Revenue, 4).ToList();
List<int> expected = new List<int> { 50, 66, 60 };
CollectionAssert.AreEqual(expected, actual);
}
public void SumGoodsTest_3筆一組_取Cost總和()
{
IGroupPagingContext context = Substitute.For<IGroupPagingContext>();
context.Goodies.Returns(_goods);
GroupPagingService target = new GroupPagingService(context);
List<int> actual = target.SumGoods(GroupPagingType.Cost, 3).ToList();
List<int> expected = new List<int> { 6, 15, 24, 21 };
CollectionAssert.AreEqual(expected, actual);
}
public void SumGoodsCostTest_3筆一組_取Cost總和()
{
List<int> expected = new List<int>() { 6, 15, 24, 21 };
IGroupPagingContext context = Substitute.For<IGroupPagingContext>();
context.Goodies.Returns(_target);
IGroupPagingService service = new GroupPagingService(context);
List<int> actual = service.SumGoodsCost(3).ToList();
CollectionAssert.AreEqual(expected, actual);
}
public void SumGoodsRevenueTest_4筆一組_取Revenue總和()
{
List<decimal> expected = new List<decimal>() { 50, 66, 60 };
IGroupPagingContext context = Substitute.For<IGroupPagingContext>();
context.Goodies.Returns(_target);
IGroupPagingService service = new GroupPagingService(context);
List<decimal> actual = service.SumGoodsRevenue(4).ToList();
CollectionAssert.AreEqual(expected, actual);
}
public void SumGoodsCostTest_3筆一組_取Cost總和()
{
List<int> expected = new List<int>() { 6, 15, 24, 21 };
IGroupPagingContext context = Substitute.For<IGroupPagingContext>();
context.Goodies.Returns(_target);
// 既然是測試 GroupPagingService，建議宣告的部分就不要用 IGroupPagingService，在所有的單元測試中，測試目標的宣告都不需要用 interface, 因為我要測的就是測試目標，而不是介面。
IGroupPagingService service = new GroupPagingService(context);
// SumGoodsCost(int pageSize)的方法比較沒有彈性，需求是希望用同一個方法，就可以讓呼叫端決定這一次要「幾筆一組」，「取哪個欄位的總和」
List<int> actual = service.SumGoodsCost(3).ToList();
CollectionAssert.AreEqual(expected, actual);
}
