Early AI - Generate Tests - improve code quality

EarlyAI - Automatically Generate Validated and Verified Unit Tests to Improve Code Qualit.

Features

1. Automatically Test Generation

With a single click, developers can generate functional tests directly within the IDE, utilizing Code Lens or the context menu for seamless integration.

2. IDE Integrated

Seamless Test Generation Directly from Your Code.

3. Earl

Your AI Test Engineer does all three: generating tests, analyzing code, and writing documentation.

4. Simple navigation

Developers can effortlessly navigate to newly generated tests to review and enhance them as needed.

5. High quality tests

EarlyAI produces comprehensive tests that include mocks and covers various scenarios, such as happy paths and edge cases, thereby improving code coverage and identifying potential bugs.

6. Increased coverage

Visualize the impact of your tests on code coverage and ensure your efforts are contributing to a more robust and reliable application.

See it in action

Visit our sample ToDo app in github

Support

IDEs

• vsCode

Test Frameworks

• Optiomized by using Jest and Mocha

Languages

• JavaScript, TypeScript, Node.js, React, Angular

Setup & Configuration

1. Prerequisites For an easy initial setup we recommend you go through our sample ToDo app in github first.

Before installing the extension, ensure you have the following prerequisites installed:

• VSCode (Version 1.88 and later)
• NodeJS
• Jest
• TypeScript
• ts-jest

You can install Jest and TypeScript typings via npm:

npm install --save-dev jest @types/jest ts-jest

Supported Test Frameworks

• Jest: This extension is currently optimized for generating unit tests with Jest.
  

Installation

• Search for EarlyAI on the Visual Studio Marketplace via the IDE or the Web and Install Early's extension
• Ensure that your project is set up with NodeJS and Jest.

2. Configuration (Jest related) You are ready to go if you have Jest configured and the above prerequisites installed! If not, please continue reading below for further setup instructions.

Configure Jest in your project to integrate with the extension. Below is an example of a typical Jest configuration suitable for TypeScript projects: Filename is “jest.config.ts” and resides in the project's root folder.

import type { Config } from '@jest/types';
const config: Config.InitialOptions = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  rootDir: 'src',
  testRegex: '.*\\.test\\.ts$',
  moduleNameMapper: {
    "^@src/(.*)$": "<rootDir>/$1"
  },
  collectCoverageFrom: ["./**/*.(t|j)s"]
};
export default config;

Important Configuration Parameters:

• testEnvironment: Specifies the environment in which the tests are executed
• testRegex: make sure you have 'test" in the regex. for example if you currently have 'spec' you need to change it to something like

testRegex:  ".*\\.(test)|(spec)\\.ts$"};

• ModuleNameMapper: If you have path aliases in tsconfig.json, identify them under compilerOptions.paths. Then, add matching regex patterns to moduleNameMapper in your Jest config to mirror the aliases, using to map them to their corresponding directories, like this: Ensure your Jest configuration is properly set up to work with TypeScript and the paths align with your project structure.