public async Task Should_return_null_when_no_author_found() { // Arrange string author = Guid.NewGuid().ToString(); IEnumerable <Item> expectedData = MockDataItems.Where(i => i.Author == author); ItemRepositoryMock.Setup(x => x.GetItemsByAuthorAsync(author, default(CancellationToken))).ReturnsAsync(expectedData); // Act IEnumerable <Item> resultItems = await ServiceUnderTest.GetItemsByAuthorAsync(author, default(CancellationToken)); // Assert Assert.Null(resultItems); }
public async Task Should_return_single_item_by_identity() { // Arrange Item expectedResult = MockDataItems[1]; string id = expectedResult.Id; ItemRepositoryMock.Setup(x => x.GetItemByIdAsync(id, default(CancellationToken))).ReturnsAsync(expectedResult); // Act Item resultItem = await ServiceUnderTest.GetItemByIdAsync(id, default(CancellationToken)); // Assert Assert.Same(expectedResult, resultItem); }
public async Task Should_return_items_by_author() { // Arrange string author = MockDataItems[2].Author; IEnumerable <Item> expectedData = MockDataItems.Where(i => i.Author == author); ItemRepositoryMock.Setup(x => x.GetItemsByAuthorAsync(author, default(CancellationToken))).ReturnsAsync(expectedData); // Act IEnumerable <Item> resultItems = await ServiceUnderTest.GetItemsByAuthorAsync(author, default(CancellationToken)); // Assert Assert.Same(expectedData, resultItems); }
public async Task Should_fail_update_missing_identity() { // Arrange Item newItem = new Item { Id = string.Empty, Author = "Jane Smith", HideAuthor = true, Title = "Adding new items is too simple", Description = "I think it needs to have more clicks to add an item", Votes = -7 }; ItemRepositoryMock.Setup(x => x.UpdateItemAsync(newItem, default(CancellationToken))).ReturnsAsync(newItem.Id); // Act ArgumentNullException exception = await Assert.ThrowsAsync <ArgumentNullException>(() => ServiceUnderTest.UpdateItemAsync(newItem, default(CancellationToken))); // Assert Assert.Equal(nameof(newItem.Id), exception.ParamName); }
public async Task Should_return_null_when_no_match() { // Arrange Item badResult = new Item { Id = Guid.NewGuid().ToString(), Author = "Bob Marley", HideAuthor = true, Title = "No women", Description = "No cry", Votes = 2 }; ItemRepositoryMock.Setup(x => x.GetItemByIdAsync(badResult.Id, default(CancellationToken))).ReturnsAsync(MockDataItems.FirstOrDefault(i => i.Id == badResult.Id)); // Act Item resultItem = await ServiceUnderTest.GetItemByIdAsync(badResult.Id, default(CancellationToken)); // Assert Assert.Null(resultItem); }
public async Task Should_update_an_existing_item() { // Arrange Item newItem = new Item { Id = Guid.NewGuid().ToString(), Author = "Jane Smith", HideAuthor = true, Title = "Adding new items is too simple", Description = "I think it needs to have more clicks to add an item", Votes = -7 }; ItemRepositoryMock.Setup(x => x.UpdateItemAsync(newItem, default(CancellationToken))).ReturnsAsync(newItem.Id); ItemRepositoryMock.Setup(x => x.GetItemByIdAsync(newItem.Id, default(CancellationToken))).ReturnsAsync(newItem); // Act Item resultItem = await ServiceUnderTest.UpdateItemAsync(newItem, default(CancellationToken)); // Assert Assert.Equal(newItem, resultItem); }
public async Task Should_create_new_item() { // Arrange Item newItem = new Item { Id = Guid.NewGuid().ToString(), Author = "J. K. Rowling", HideAuthor = false, Title = "Fly Phising", Description = "I was wondering if you could tell if you have a book...", Votes = 0 }; ItemRepositoryMock.Setup(x => x.CreateNewItemAsync(newItem, default(CancellationToken))).ReturnsAsync(newItem.Id); ItemRepositoryMock.Setup(x => x.GetItemByIdAsync(newItem.Id, default(CancellationToken))).ReturnsAsync(newItem); // Act Item resultItem = await ServiceUnderTest.CreateItemAsync(newItem, default(CancellationToken)); // Assert Assert.Same(newItem, resultItem); }