While testing my App component, I encountered an issue during the second test. In the first test, the process begins from the home page where I click on a drink-preview to access a recipe. However, in the subsequent test, which is expected to follow the sa ...
Struggling to construct a jest test.each with a tagged template literal test.each` height | text ${10} | ${undefined} ${20} | ${undefined} ${10} | ${'text'} ${20} | ${'text'} `('$height and $text behave as expected', ({ height, text }) => ...
Here is the code snippet I am working with: <ReturnToLastSearch href={'/listings'} onClick={(e): void => { e.preventDefault(); router.back(); }} /> The function ReturnToLastSearch( ...
When I mock AWS SDK v3, my test cases are timing out. However, everything works fine for GetParameterCommand, but not for GetParametersCommand. Below is how my sdk file looks: const { SSMClient, GetParametersCommand } = require('@aws-sdk/client-ssm&a ...
Having just started using Jest, I wanted to run a simple unit test to make sure everything was set up correctly. However, I encountered numerous errors during compilation while troubleshooting the issues. When running the test suite, Jest successfully loc ...
I've been working on a Node project that utilizes Typescript and Jest. Here's the current project structure I have: https://i.stack.imgur.com/TFgdQ.png Along with this tsconfig.json file "compilerOptions": { "target": "ES2017", "modu ...
Hey there, I've been pondering over this issue for the past few days. It appears to be a common error with multiple solutions. I'm facing the dreaded: Jest encountered an unexpected token /__tests__/index.test.js:16 import React from "react" ...
I am facing a unique testing scenario where I need to interact with a component wrapped in TreeView from material-ui that is nested inside the List component from react-virtualized. Here is my approach: wrapper .find(TreeView) .dive() .find(AutoSiz ...
I am looking for guidance on testing a custom hook that includes a reference and how to effectively mock the useRef() function. Can anyone provide insight on this? const useCustomHook = ( ref: () => React.RefObject<Iref> ): { initializedRef: ...
Imagine I am developing a module for a react component and currently working on a PR to introduce a new feature. Along with this new feature, I have also made changes to the component by refactoring it to eliminate certain internal parts that were previou ...
When I run my React web app in the browser, no warnings are displayed. However, when running unit tests, I am encountering a Material-UI typography error. Warning: Material-UI: you are using the deprecated typography variants that will be removed in the ...
When working with PDF documents, I often use an instance of pdfkit document known as doc: import PDFDocument from 'pdfkit' const doc = new PDFDocument() This doc instance is then passed into a function called outputTitle: export const outputTi ...
Recently started incorporating Jasmine into my workflow and I am trying to verify if my method was called with an object that includes a MyProperty property. Currently, my setup looks like this: expect(service['method']).toHaveBeenCalledWith(jasmine.object ...
I defined a styled-component as shown below: export const StyledButton = styled.TouchableOpacity<IButtonProps> height: 46px; width: 100%; display: flex; flex-direction: row; justify-content: center; align-items: center; height: 46px; ...
I've been working on improving my skill at writing tests for Node.js APIs, particularly in relation to a recent project where I interact with an endpoint /api/v1/restaurants that provides data in the form of an array of objects. Below is the functional cal ...
Currently, I am working on a VueJS project that utilizes ViteJS for transpilation, which is functioning properly. However, when Jest testing is involved alongside ts-jest, the following Jest configuration is used: jest.config.ts import { resolve } from &q ...
Recently, I've been working on creating a jest test for the function below that sets a sessionStorage entry: /** * @desc create authenticated user session * @param {String} [email=''] * @param {Date} [expires=Date.now()] * @param {String} [hash=''] ...
I am working on unit testing a function that looks like this: export class newClass { private service: ServiceToMock; constructor () { this.service = new ServiceToMock() } callToTest () { this.service.externalCall().then(()=& ...
I encountered an error message stating Error: Uncaught [Error: Child(...): Nothing was returned from render while testing the Parent component. Below are the relevant files that were involved: /components/Page/Children/Child.js import React from "re ...
Can someone help me figure out how to properly test the variable values from the code snippet below? I keep encountering this error message: TypeError: Cannot read property 'search' of undefined export class myView extends React.Component { component ...
In Jest, I am trying to figure out how to mock the fs.readdirSync method within this function. export const getDirectoryFiles = async (directory) => { return fs .readdirSync(directory, { withFileTypes: true }) .filter(dirent => !dirent.isDirect ...
I have a test suite for Jest implemented with Supertest. The test suite consists of approximately 300 tests. Most of the time, all the tests pass without any issues. However, there are instances where a test fails randomly. The failure message displayed i ...
Is there a way to test the following class that utilizes the React.createRef API? I couldn't find any examples online. Has anyone attempted this before? How can I mock the ref effectively? My preference would be to utilize shallow. class Main exten ...
With Jest, I successfully mocked and implemented a method for the first test case. However, for the second test case (testcase2), I am struggling to implement the same mock method with different input. jest.mock('../../lib/testService', () => ({ TestS ...
I am looking to verify the <AppBar position='relative' color='error' data-testid='appbar'> ... </AppBar> and ensure that it has a test('Appbar background color must be red', () => { render(<App />) const element = screen.ge ...
Currently, I am focused on testing the Front-End aspect of my project. Here is the challenge I am encountering: Situation In my setup, I have a well-established Ruby on Rails (V3.2) backend application and a completely new front-end application built wit ...
We have chosen Jest for doing UI Test-Driven Development on our React application. Our component rendering structure looks like this: <Div> <Row> </Row> <ROW> <Row> <ROW> <Link> <Link> ...
I have been working on integrating the jest testing framework into my nuxt project, but I am facing a major obstacle. I am struggling to test a simple component and haven't been able to find a solution yet. If anyone has encountered the same issue, could y ...
Encountering an error while writing unit tests in React using Jest and Enzyme. The error message states: "ReactWrapper::state() can only be called on class components". import React from 'react'; import { mount } from 'enzyme'; import expect from 'expect' ...
Currently, I am in the process of testing Vue 3 components using jest. My main objective is to receive an emit when a button is clicked and then verify if the emitted object corresponds to a custom type that I have defined in a separate file. Below is an e ...
When simulating a graphql query with a mock service worker (MSW), we need to verify that the variables passed to the query contain specific values. This involves more than just type validation using typescript typings. In our setup, we utilize jest along ...
Encountering a TypeError: actImplementation is not a function error while testing out this component import React from 'react'; import { StyledHeaderContainer, StyledTitle } from './styled'; export const Header = () => { return ( <StyledHeader ...
I am currently running tests on a Next/React project using Jest with Node. I have also implemented cross-fetch in my project. However, I encountered an issue when trying to mock cross-fetch for a specific component: import crossFetch from 'cross-fetch' je ...
I started creating unit tests for a production app using jest, @testing-library/vue, and supporting libraries. The first test I created is as follows: import vue from "vue"; import { render } from "@testing-library/vue"; import LibBtn f ...
I am currently working on writing a test in jest to carefully analyze the functionality of my reactJS components. In order to validate my reactjs component, I am looking for a way to simulate a file upload within jest. Could anyone provide guidance on how ...
I am currently working on developing a full stack application using NextJS along with a MySQL database. Within my API routes, I interact with this database by making calls to various functions such as createOne(), which is responsible for creating new inst ...
When working on my test file, I utilize a folder named mocks which contains various exported functions. Most of the time, I rely on the mocks folder to perform all necessary tasks. However, there is one scenario where I need to adjust the return value to a ...
When testing my react app, I am attempting to capture any errors that are thrown or logged to the console. If a regular HTML element such as <p> contains invalid attributes like <p color={false}></p>, react will display an error via cons ...
In my project, I am developing a react+ts application which allows users to search for other users using the GitHub API. The search input element in my app has the following structure : <input type="text" placeholder="Search us ...
Issue with JEST arises when attempting to delete items from a MongoDB Collection using the beforeEach() Hook, leading to inconsistent results. Mongoose schema and model setup: // Defining Mongoose wafer sort schema const waferSchema = new mongoose.Schema ...
Currently, I am working on a Next.js application and I need to customize Babel in order to run my Jest test suite. The issue I'm facing is that when I configure the babel.config.js file, Jest runs successfully but Next.js also picks up this configurat ...
While attempting to run a test, I encountered an unexpected token error with Jest. The issue seems to stem from the usage of ky http, which is not being transpiled properly. Test suite failed to run Jest encountered an unexpected token This typ ...
While working on my vue3 project and writing tests with jest, I have encountered an issue where jest is incorrectly marking the CSS within several single file components as untested, even though it doesn't need to be tested. Moreover, its assessment of wh ...
I've been working on setting up Jest with Babel and Typescript, following the guidelines provided here. However, when I run npm run test, I encounter the error message: Error: Jest: Failed to parse the TypeScript config file C:...jest.config.js` The con ...
I recently made the switch to using jest for testing my JavaScript project after encountering coverage issues with mocha and chai. While my unit tests are providing coverage data, my Selenium tests are not. I've tried various solutions found in outdat ...
I'm attempting to simulate an axios call inside a vuejs method. Can this be achieved? Below is my vue component (SomeObj): methods:{ callAxiosMethod() { const callApi= axios.create(); callApi.defaults.timeout = 10000; ...
Currently, I am in the process of testing a NextJS application using Jest and React Testing Library. The application includes a card component that receives various data such as id, image URL, text, and name to display on the card. While the functionality ...
Exploring testing libraries is always an interesting adventure. In my NextJS project, I'm utilizing next-i18next. We're incorporating the useTranslation hook with namespaces. During testing, a warning pops up: console.warn react-i18next:: You will need ...
I am currently using sequelize mock v5 in order to mimic the User model. // user.test.js import User from "../models/user"; // original user model class jest.mock("../models/user", () => () => { const SequelizeMock = require( ...
Currently, I am in the process of writing unit tests for an express API. Each test suite initiates a fresh instance of an express server before running the tests. Individually, each test suite runs smoothly without any problems. However, when executed tog ...
Utilizing prisma for database interactions and eager to implement jest-mock to simulate the findMany call. https://jestjs.io/docs/jest-object#jestmockedtitem-t-deep--false brands.test.ts import { PrismaService } from "@services/mysql.service"; i ...
For our project, we utilize react-oidc-context to handle user authentication using oidc-client-ts under the hood. The useAuth function provided by react-oidc-context gives us access to important information such as isAuthenticated, isLoading, and the auth ...
After integrating the mui-color-input library into my create-react-app project, I encountered a problem with the component test despite the project building successfully. ● Test suite failed to run Jest encountered an unexpected token Jest fai ...
Running the Jest tests in band is essential to prevent errors from occurring. However, I am unsure of how to resolve this issue. The tests run smoothly when executed through the command line. ...
In my attempt to unit test the onClick event of a button in a component, I encountered some challenges. Specifically, I am unsure how to properly test the onClick event when it triggers a function like Add(value). App.js function App(){ const[value,set ...
I have integrated material-table with material ui to develop a spreadsheet application. One of the features I have added is setting a maximum width of 50px for cells. If the content in a cell exceeds this width, it will display an ellipsis at the end of ...
Currently, I am in the process of testing an express app, which includes the following files: app.js const express = require('express'); const path = require('path'); const apiRouter = require('./api'); const app = expre ...
I've developed a Vue.js application utilizing Vuetify and I'm currently working on unit testing a component that contains a Vuetify Data Table. The issue arises when trying to populate the table in my unit test, where Axios is mocked with Jest. Below is t ...
I am currently in the process of updating to Angular 14. Everything is going smoothly except for setting up jest. Since I have Angular 14 libraries included in my build, I need to utilize jest-ESM support. Below is my configuration: package.json { &qu ...
While executing Jest on an Ionic React component, I encountered a test failure consistently, regardless of whether the component had a time value or not. test('IonDateTime display', () => { render(<IonDatetime data-testid="foo" ...
I'm currently attempting to integrate the Jest Testing framework into my React Native project. Unfortunately, I am encountering an error message: Failed to retrieve mock metadata: /Users/me/Documents/Development/project/node_modules/global/window.js This ...
In the realm of testing with NextJS, Jest comes into play effortlessly, complemented by React Testing Library for frontend testing. Interestingly, Jest can also be utilized to test backend code. Currently, I am incorporating a library in my API routes tha ...
Below is the test function I have written: describe("Test to Create a Problem", () => { describe("Create a problem with valid input data", () => { it("Should successfully create a problem", async () => { const ProblemData = { ...
I have successfully configured my jest to allow the usage of static files by following their detailed documentation. However, despite implementing the instructions correctly, I am still encountering an error: What steps can I take to resolve this issue an ...
I've developed a simple component that displays an image depending on the operating system you are using (in this case, iOS and Android). import { UAParser } from "ua-parser-js"; export const DownloadApp = ({ appleStoreUrl, playStoreUrl }: Downl ...
Currently, I am working on a project using create-react-app and attempting to perform unit testing on a component from office-ui-fabric-react using Jest and Enzyme. The most recent version of office-ui-fabric-react utilizes es6 syntax which is causing iss ...
Currently, I am in the process of writing Jest unit tests for ReactJS components that are utilizing Material UI's makeStyles. Majority of the tests are passing without any issues; however, an error regarding Unexpected token is being thrown specifically f ...
Utilizing sinon to test a react component and verify that an onClick function is triggered. Struggling to target the element to click on due to the use of styled-components. Encountering this error message: The "simulate" method should only be run on ...
Currently, the setup involves React 18 along with up-to-date versions of webpack, babel, typescript, jest, and the MaterialUI component library. The application can be run/built without any errors, but a warning is triggered only during the Jest testing of ...
I recently started a new project using the create-react-library package. In an attempt to add unit tests with Jest and Enzyme, I encountered an issue. While my test functions properly for a basic component, it fails when trying to test a component that inc ...
I have been experimenting with a Vue component that triggers a specific action in my Vuex store when a particular parameter is included in the route. To simulate the action, I am using jest.fn(). This is the relevant code snippet from the component: awai ...
I'm having trouble using JEST with Prisma 2. Whenever I run a simple test, I encounter an unusual error message: npm run test > [email protected] test /Users/jeremiechazelle/Sites/prisma2/server > env-cmd -f ./env/.env.test jest --watchAll ...
Trying to check the validity of a label using Jest: <label class="no-content-label" v-if="products.length===0 && !isTableBusy">No Content To Show</label> and here is the test being used: it('Ensuring "No Content To ...
I've encountered a puzzling issue. I have 9 unit tests that are running flawlessly with the jest command. However, when I run storybook, only 3 out of the 9 tests are displayed. The version of Storybook being used is 5.1.7. https://i.stack.imgur.com/l8nXf ...
I found an unexpected Debug statement in my package.json file and I'm unsure of how it appeared there. I have no clue how to remove it either. https://i.stack.imgur.com/P7RFn.png Any ideas on how I can eliminate it from the file? ...