public async Task HandleAsyncHasErrorTest(bool updateRulesHasError)
{
var request = new UpdateTodoItemRequest();
var updateRules = RuleFactory.CreateEmptyListOfUpdateRules().ToList();
updateRules.Add(RuleFactory.CreateMockUpdateRule());
var mockUpdateRulesFactory = new Mock <IRulesFactory <UpdateTodoItemRequest, Response <TodoItemEntity> > >();
mockUpdateRulesFactory.Setup(rulesFactory => rulesFactory.Create()).Returns(updateRules);
var saveRules = RuleFactory.CreateEmptyListOfSaveRules().ToList();
saveRules.Add(RuleFactory.CreateMockSaveRule());
var mockSaveRulesFactory = new Mock <IRulesFactory <Request <TodoItem>, Response <TodoItemEntity> > >();
mockSaveRulesFactory.Setup(rulesFactory => rulesFactory.Create()).Returns(saveRules);
var errorNotification = Notification.CreateError("1", "error");
var mockRulesEngine = new Mock <IRulesEngine>();
// Setup generic mock setups first and then more specific.
SetupMockProcessAsyncWithSaveRules(mockRulesEngine, request, saveRules,
callbackResponse => ProcessCallBackResponseToAddNotification(!updateRulesHasError, callbackResponse, errorNotification));
SetupMockProcessAsyncWithUpdateRules(mockRulesEngine, request, updateRules,
callbackResponse => ProcessCallBackResponseToAddNotification(updateRulesHasError, callbackResponse, errorNotification));
var mockUpdateTodoItemRepository = new Mock <IUpdateTodoItemRepository>();
var mockLogger = new Mock <ILogger <UpdateTodoItemRequestHandler> >();
var handler = new UpdateTodoItemRequestHandler(mockRulesEngine.Object, mockUpdateRulesFactory.Object, mockSaveRulesFactory.Object, mockUpdateTodoItemRepository.Object, mockLogger.Object);
var actualResponse = await handler.HandleAsync(request);
mockUpdateRulesFactory.Verify(rulesFactory => rulesFactory.Create(), Times.Once);
mockSaveRulesFactory.Verify(rulesFactory => rulesFactory.Create(),
updateRulesHasError ? Times.Never : Times.Once);
mockRulesEngine.Verify(rulesEngine => rulesEngine.ProcessAsync(request, It.IsAny <Response <TodoItemEntity> >(), updateRules), Times.Once);
mockRulesEngine.Verify(rulesEngine => rulesEngine.ProcessAsync(request, It.IsAny <Response <TodoItemEntity> >(), saveRules),
updateRulesHasError ? Times.Never : Times.Once);
mockUpdateRulesFactory.VerifyNoOtherCalls();
mockSaveRulesFactory.VerifyNoOtherCalls();
mockRulesEngine.VerifyNoOtherCalls();
mockUpdateTodoItemRepository.VerifyNoOtherCalls();
mockLogger.VerifyNoOtherCalls();
Assert.IsNotNull(actualResponse);
Assert.AreEqual(1, actualResponse.Notifications.Count);
Assert.AreSame(errorNotification, actualResponse.Notifications.Single());
}
public async Task HandleAsyncSuccessTest()
{
var request = new UpdateTodoItemRequest();
var expectedResponse = CreateExpectedResponse();
var updateRules = RuleFactory.CreateEmptyListOfUpdateRules().ToList();
updateRules.Add(RuleFactory.CreateMockUpdateRule());
var mockUpdateRulesFactory = new Mock <IRulesFactory <UpdateTodoItemRequest, Response <TodoItemEntity> > >();
mockUpdateRulesFactory.Setup(rulesFactory => rulesFactory.Create()).Returns(updateRules);
var saveRules = RuleFactory.CreateEmptyListOfSaveRules().ToList();
saveRules.Add(RuleFactory.CreateMockSaveRule());
var mockSaveRulesFactory = new Mock <IRulesFactory <Request <TodoItem>, Response <TodoItemEntity> > >();
mockSaveRulesFactory.Setup(rulesFactory => rulesFactory.Create()).Returns(saveRules);
var mockRulesEngine = new Mock <IRulesEngine>();
// Setup generic mock setups first and then more specific.
SetupMockProcessAsyncWithSaveRules(mockRulesEngine, request, saveRules,
callbackResponse => ProcessCallBackResponseToCloneTodoItem(callbackResponse, expectedResponse));
SetupMockProcessAsyncWithUpdateRules(mockRulesEngine, request, updateRules,
callbackResponse => ProcessCallBackResponseToCloneTodoItem(callbackResponse, expectedResponse));
mockRulesEngine.Setup(rulesEngine => rulesEngine.ProcessAsync(request, It.IsAny <Response <TodoItemEntity> >(), saveRules))
.Callback <Request <TodoItem>, Response <TodoItemEntity>, IEnumerable <IBaseRule <Request <TodoItem>, Response <TodoItemEntity> > > >
((callbackRequest, callbackResponse, callbackRules) =>
{
callbackResponse.Item = expectedResponse.Clone().Item;
});
var mockUpdateTodoItemRepository = new Mock <IUpdateTodoItemRepository>();
mockUpdateTodoItemRepository.Setup(repository =>
repository.SaveAsync(It.Is <Response <TodoItemEntity> >(response => VerifyTodoItem.AreEqualResponse(expectedResponse, response))));
var mockLogger = new Mock <ILogger <UpdateTodoItemRequestHandler> >();
var handler = new UpdateTodoItemRequestHandler(mockRulesEngine.Object, mockUpdateRulesFactory.Object, mockSaveRulesFactory.Object, mockUpdateTodoItemRepository.Object, mockLogger.Object);
var actualResponse = await handler.HandleAsync(request);
mockUpdateRulesFactory.Verify(rulesFactory => rulesFactory.Create(), Times.Once);
mockSaveRulesFactory.Verify(rulesFactory => rulesFactory.Create(), Times.Once);
mockRulesEngine.Verify(rulesEngine => rulesEngine.ProcessAsync(request, It.IsAny <Response <TodoItemEntity> >(), updateRules), Times.Once);
mockRulesEngine.Verify(rulesEngine => rulesEngine.ProcessAsync(request, It.IsAny <Response <TodoItemEntity> >(), saveRules), Times.Once);
mockUpdateTodoItemRepository.Verify(repository =>
repository.SaveAsync(It.Is <Response <TodoItemEntity> >(response => VerifyTodoItem.AreEqualResponse(expectedResponse, response))), Times.Once);
mockUpdateRulesFactory.VerifyNoOtherCalls();
mockSaveRulesFactory.VerifyNoOtherCalls();
mockRulesEngine.VerifyNoOtherCalls();
mockUpdateTodoItemRepository.VerifyNoOtherCalls();
// Test critical behavior. If the logging here is critical, then verify the calls.
// See examples of ILogger testing in other parts of this app.
mockLogger.VerifyAll();
Assert.IsNotNull(actualResponse);
Assert.IsFalse(actualResponse.HasErrors());
Assert.AreEqual(0, actualResponse.Notifications.Count);
}
