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Testing the UpdatePost component

Explore how to write thorough UI tests for the UpdatePost React component using Jest and React Testing Library. Understand how to simulate user interactions, such as opening modals, typing in form fields, and submitting updates. This lesson equips you with practical skills to verify component functionality and user experience in React applications.

We'll cover the following...

In the src/components/posts/__tests__ directory, create a new file called UpdatePost.test.js. Let’s start with the necessary imports and the definition of the test function:

Javascript (babel-node)
import { render, screen, fireEvent } from "../../../helpers/test-utils";
import userEvent from "@testing-library/user-event";
import UpdatePost from "../UpdatePost";
import userFixtures from "../../../helpers/fixtures/user";
import postFixtures from "../../../helpers/fixtures/post";
import { faker } from "@faker-js/faker";
const userData = userFixtures();
const postData = postFixtures(true, false, userData);
test("Render UpdatePost component", async () => {
  ...
});

Understanding component logic

Before writing the test logic, let’s remember how the UpdatePost component works from a user’s perspective: ...