Karma tests failing due to missing dependencies
When Karma tests fail due to missing dependencies, it typically means that the required libraries, modules, or files were not correctly included in the Karma test runner configuration. Let’s walk….
Tag: frontend testing
$timeout not resolving correctly in unit tests
When $timeout doesn’t resolve correctly in AngularJS unit tests, it typically causes your expectations to fail or your async logic to never complete. This issue often arises due to either….
Testing AngularJS filters using Jasmine
Filters in AngularJS help format data before displaying it in the UI. Testing filters ensures their correctness and reliability. Jasmine, a popular testing framework, provides a structured way to test….
Testing Hooks and Custom Hooks in React
Testing hooks requires different approaches than component testing since hooks can’t be called outside of React components. Here’s a comprehensive guide to effectively testing both built-in and custom hooks. Testing….
Mocking API Calls in Tests
When testing React components that rely on external data or API calls, it’s important to mock those API calls so that the tests are predictable, isolated, and run without relying….
Snapshot Testing for UI Consistency
Snapshot Testing for UI Consistency in React Snapshot testing is a technique used to ensure that a React component renders consistently over time. With Jest and React Testing Library, snapshot….
Writing Tests with React Testing Library
React Testing Library (RTL) is a testing utility that encourages testing your components the way users would interact with them. It provides simple utilities for rendering components, querying elements, and….
Unit Testing Components with Jest
Unit testing is essential for ensuring that your components work correctly and that your app’s behavior remains consistent over time. In React, Jest is one of the most popular testing….