VS Code Extension: single-click-unit-test-generation

single click Unit Test Generator

The single click Unit Test Generator extension allows developers to quickly generate unit tests based on selected code within their editor. Powered by the advanced Gemini 2.0 Multi-Modal LLM, this tool supports test generation for virtually any programming language.

Simply highlight the desired code snippet, select your preferred testing framework, and let the extension handle the rest — producing clean, high-quality unit tests in seconds.

📦 Features

Key Features

Quick Setup – Get started in just a few clicks

Gemini-Powered – Leverages Gemini 2.0 for accurate and intelligent test generation

Fast Execution – Generates tests in as little as 10–20 seconds

Privacy First – Your code stays safe; nothing is stored

🚀 Getting Started

Installation

1. Open VS Code
2. Go to Extensions (Ctrl+Shift+X)
3. Search for single-click-unit-test-generation
4. Click Install

Or install from the VS Code Marketplace.

Usage

1. Open a file supported by the extension.
2. Right-click and choose Your Command Name from the context menu.
3. Alternatively, use the command palette (Ctrl+Shift+P) and run:
   > Your Extension: Run Command

Example

// Input
import { Component, signal } from '@angular/core';
import { RouterOutlet } from '@angular/router';

@Component({
  selector: 'app-root',
  imports: [RouterOutlet],
  templateUrl: './app.html',
  styleUrl: './app.scss'
})
export class App {
  protected readonly title = signal('my-new-app');
}


// Output (generated by extension)
import { TestBed } from '@angular/core/testing';
import { App } from './app';

describe('App', () => {
  beforeEach(() => {
    TestBed.configureTestingModule({
      imports: [App]
    });
  });

  it('should create the app', () => {
    const fixture = TestBed.createComponent(App);
    const app = fixture.componentInstance;
    expect(app).toBeTruthy();
  });

  it(`should have the correct title`, () => {
    const fixture = TestBed.createComponent(App);
    const app = fixture.componentInstance;
    expect(app.title()).toEqual('my-new-app');
  });

  it('should render title in a span tag', () => {
    const fixture = TestBed.createComponent(App);
    fixture.detectChanges();
    const compiled = fixture.nativeElement as HTMLElement;
    expect(compiled.querySelector('span')?.textContent).toContain('my-new-app');
  });
});