mockito | 易学教程

Mocking Static Functions in Android

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问题 Is there any way I can Mock Static Function in Android using any Mocking Framework. Mockito can mock classes but is insuffiecient to mock Static functions. Any help will be highly appreciated. Thanks in Advance 回答1: Mocking works by using the concepts of Object Orientation, Inheritance etc.... Basically by overriding certain methods & behaviour in objects / instances that look like real objects, because they are subclasses of these real objects. In other words, the mocking part comes in

Play Framework Java: Mock using Mockito: Wanted but not invoked, Actually, there were zero interactions with this mock

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问题 I am new to Mockito and Play Framework, so can anyone suggest a solution for this: I have 3 classes as follows: I have a Play application where I am calling a helper method, which indeed calls an ApiClient, which calls an external api and fetches the results and returns CompletionStage of that result. And the helper method indeed returns the same result to the controller. The Code is as follows. public class MyController extends Controller{ @Inject WSClient wsClient; MyControllerHelper

使用 TypeScript 和依赖注入实现一个聊天机器人[每日前端夜话0x76]

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使用 TypeScript 和依赖注入实现一个聊天机器人[每日前端夜话0x76] 疯狂的技术宅前端先锋每日前端夜话0x76 每日前端夜话，陪你聊前端。每天晚上18:00准时推送。正文共：3509 字预计阅读时间： 10 分钟翻译：疯狂的技术宅来源：toptal 类型和可测试代码是避免错误的两种最有效方法，尤其是代码随会时间而变化。我们可以分别通过利用 TypeScript 和依赖注入（DI）将这两种技术应用于JavaScript开发。在本 TypeScript 教程中，除编译以外，我们不会直接介绍 TypeScript 的基础知识。相反，我们将会演示 TypeScript 最佳实践，因为我们将介绍如何从头开始制作 Discord bot、连接测试和 DI，以及创建示例服务。我们将会使用： Node.js TypeScript Discord.js，Discord API的包装器 InversifyJS，一个依赖注入框架测试库：Mocha，Chai和ts-mockito Mongoose和MongoDB，以编写集成测试设置 Node.js 项目首先，让我们创建一个名为 typescript-bot 的新目录。然后输入并通过运行以下命令创建一个新的 Node.js 项目： 1npm init 注意：你也可以用 yarn，但为了简洁起见，我们用了 npm。

JUnit for void delete method

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问题 I am new to JUnit and trying to learn. How can we write a JUnit for a void method. I have a delete method which is void. I am writing the test like below but its not working. Please suggest. Method for which I have to write test case. public class DoseService { @Autowired private DoseRepository doseRepo; public void deleteDose(int id) { doseRepo.deleteById(id); } } My Test @Autowired private DoseService doseService; @MockBean public DoseRepository doseRepository; @Test public void

JUnit for void delete method

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@spy Mockito for map or switchMap livedata

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问题 I have a map liveData in view model. val isOpen: LiveData<Boolean> = Transformations.map(shouldTry) { println("in map") close() false } fun open() { println("open called") } how can use @spy for open called or not? @Test fun test() :runBlockingTest{ viewModel = spy(ViewModel()) // Action viewModel.shouldTry.value = true // Expected verify(viewModel).open() } 来源： https://stackoverflow.com/questions/64444828/spy-mockito-for-map-or-switchmap-livedata

RestTemplate Mock throws NullPointerException

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问题 I have a rest template that makes a call in a method in a service class like so: public CustomerResponse someMethod() { CustomerResponse response = restTemplate.exchange(url, HttpMethod.GET, null, CustomerRes.class).getBody(); return response; } When trying to mock the restTemplate in my test class, it keeps throwing a NullPointerException on the line where the mock restTemplate is called: public void checkResponseIsNotNull() { CustomerResponse customerResponseMock = mock(CustomerResponse

What are we actually testing using Spring Cloud Contracts?

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问题 As it is stated in the spring docs that cloud contracts help users in successfully implementing the Consumer Driven Contracts approach. and I've read this in another blog The essence of the contract tests is not to assert the functionality. What we want to achieve is to verify the semantics. If the producer and the consumer will be able to successfully communicate on production. I started implementing them and writing code on the producer side , my controller class is: @PostMapping(path = "

JUnit: mock a method called inside another method

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问题 Consider I have a class Tournament with methods register() and isAlreadyRegistered() . Below is the sample code. public class Tournament { private boolean register(String teamName) { if(!isAlreadyRegistered(teamName)) { // register team return True; } return False; } private boolean isAlreadyRegistered(String teamName) { // Check if team is already registered, involves DB calls } public static void main(String[] args) throws Exception { Tournament tournament = new Tournament(); tournament

Using spy to mock a full object created in the class which is tested

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问题 I have the following structure: class A { public A(String p){ // ... } public String AMethod(String p){ // ... } } class B { int method(String param){ A a = new A(param); int n; String s = A.AMethod(param); // ... (initializes n, ...) return n; } } Now I want to test method in class B but control the output of AMethod when it is called. But since I do not create the object A in the test class of B, I cannot mock it normally - how can I mock object A instead? I tried Mockito.spy but it doesn't