public void GetItemList_GivenManyItems_ShouldReturnListOfThoseItems()
{
//---------------Set up test pack-------------------
var testItemList = SetUpItemDataContext();
var context = Substitute.For<ILendingLibraryContext>();
SetContextWithDtos(context, testItemList);
var repo = new ItemRepository(context);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = repo.GetItemList();
//---------------Test Result -----------------------
Assert.AreEqual(testItemList, result);
CollectionAssert.AreEqual(testItemList, result);
}
public void GetItemList_GivenOneItem_ShouldReturnThatItem()
{
var testItem = new ItemDto()
{
Id = 1,
Description = "Description one",
ItemName = "Ball"
};
var testItemList = new List<ItemDto>() { testItem };
var context = Substitute.For<ILendingLibraryContext>();
SetContextWithDtos(context, testItemList);
//---------------Set up test pack-------------------
var repo = new ItemRepository(context);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = repo.GetItemList();
//---------------Test Result -----------------------
Assert.AreEqual(testItemList, result);
}
public void Create_Post_GivenNoItem_ShouldReturnThrowAndTheSameView()
{
//---------------Set up test pack-------------------
var repo = new ItemRepository(Substitute.For<ILendingLibraryContext>());
var controller = new ItemController(repo);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var viewResult = controller.Create(null);
//---------------Test Result -----------------------
Assert.IsNotNull(viewResult);
}
public void Add_GivenNewItem_ShouldAddToList()
{
//---------------Set up test pack-------------------
var newItem = new ItemDto()
{
Id = 4,
Description = "Description four",
ItemName = "AnotherItemName"
};
var itemsList = new List<ItemDto>();
var context = Substitute.For<ILendingLibraryContext>();
SetContextWithDtos(context,itemsList);
var repo = new ItemRepository(context);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
repo.Add(newItem);
//var result = repo.GetItemList();
var result = context.Items.Where(x => x.Id == newItem.Id);
Assert.IsNotNull(result);
}
public void Update_GivenItemIdThatDoesNotExist_ShouldAddToItemList()
{
var items = SetUpItemDataContext();
//---------------Set up test pack-------------------
var itemToUpdate = new ItemDto()
{
Id = 7,
Description = "ItemDTO I'm going to update",
ItemName = "ItemToUpdate"
};
var context = Substitute.For<ILendingLibraryContext>();
SetContextWithDtos(context, items);
var repo = new ItemRepository(context);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
repo.Update(itemToUpdate);
var addedItem = repo.GetItemById(itemToUpdate.Id);
//---------------Test Result -----------------------
Assert.AreEqual(itemToUpdate, addedItem);
Assert.IsNotNull(addedItem);
}
public void Update_GivenItemId_ShouldUpdateTheItem()
{
var items = SetUpItemDataContext();
//---------------Set up test pack-------------------
var itemToUpdate = items[0];
var context = Substitute.For<ILendingLibraryContext>();
var repo = new ItemRepository(context);
SetContextWithDtos(context, items);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
//---------------Test Result -----------------------
Assert.IsTrue(repo.GetItemList().Contains(itemToUpdate));
itemToUpdate.ItemName = "Book One v2.0";
repo.Update(itemToUpdate);
var updatedItem = context.Items.FirstOrDefault(i => i.Id == itemToUpdate.Id);
Assert.IsNotNull(updatedItem);
Assert.AreEqual(itemToUpdate, updatedItem);
}
public void Delete_GivenItemIdDoesNotExist_ShouldThrow()
{
//---------------Set up test pack-------------------
var context = Substitute.For<ILendingLibraryContext>();
var repo = new ItemRepository(context);
SetContextWithDtos(context, new List<ItemDto>());
const string expectedMessage = "Item has already been removed";
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = Assert.Throws<ApplicationException>(() => repo.Delete(9));
//---------------Test Result -----------------------
Assert.AreEqual(expectedMessage, result.Message);
}
public void Delete_GivenItemId_ShouldDeleteThatItem()
{
//---------------Set up test pack-------------------
var items = SetUpItemDataContext();
var context = Substitute.For<ILendingLibraryContext>();
SetContextWithDtos(context, items);
var repo = new ItemRepository(context);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
//---------------Test Result -----------------------
Assert.IsTrue(repo.GetItemList().Contains(items[1]));
repo.Delete(items[1].Id);
var newItem = context.Items.FirstOrDefault(x => x.Id != items[1].Id);
Assert.IsNotNull(newItem);
}
public void Add_GivenNullItem_ShouldNotAddToListAndThrow()
{
//---------------Set up test pack-------------------
var itemList = new List<ItemDto>
{
null
};
var context = Substitute.For<ILendingLibraryContext>();
SetContextWithDtos(context, itemList);
var repo = new ItemRepository(context);
const string message = "Null item cannot be added";
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = Assert.Throws<ApplicationException>(() => repo.Add((ItemDto) null));
//---------------Test Result -----------------------
Assert.AreEqual(message, result.Message);
}