capybara-skill

name capybara-skill description Generates Capybara E2E tests in Ruby with RSpec integration. Acceptance testing DSL for web apps. Use when user mentions "Capybara", "visit", "fill_in", "click_button", "Ruby E2E". Triggers on: "Capybara", "Ruby acceptance test", "fill_in", "click_button", "have_content". languages ["Ruby"] category e2e-testing license MIT metadata {"author":"TestMu AI","version":"1.0"} Capybara Automation Skill Core Patterns Basic Test (RSpec) require 'capybara/rspec' RSpec .describe 'Login' , type: :feature do it 'logs in with valid credentials' do visit '/login' fill_in 'Email' , with: 'user@test.com' fill_in 'Password' , with: 'password123' click_button 'Login' expect(page).to have_content( 'Dashboard' ) expect(page).to have_current_path( '/dashboard' ) end it 'shows error for invalid credentials' do visit '/login' fill_in 'Email' , with: 'wrong@test.com' fill_in 'Password' , with: 'wrong' click_button 'Login' expect(page).to have_content( 'Invalid credentials' ) end end DSL # Navigation visit '/path' go_back go_forward # Interacting fill_in 'Label or Name' , with: 'text' choose 'Radio Label' check 'Checkbox Label' uncheck 'Checkbox Label' select 'Option' , from: 'Select Label' attach_file 'Upload' , '/path/to/file' click_button 'Submit' click_link 'More Info' click_on 'Button or Link' # Finding find( '#id' ) find( '.class' ) find( '[data-testid="x"]' ) find( :xpath , '//div' ) all( '.items' ).count # Matchers expect(page).to have_content( 'text' ) expect(page).to have_selector( '#element' ) expect(page).to have_css( '.class' ) expect(page).to have_button( 'Submit' ) expect(page).to have_field( 'Email' ) expect(page).to have_link( 'Click Here' ) expect(page).to have_current_path( '/expected' ) expect(page).to have_no_content( 'error' ) Within Scope within( '#login-form' ) do fill_in 'Email' , with: 'user@test.com' click_button 'Login' end within_table( 'users' ) do expect(page).to have_content( 'Alice' ) end TestMu AI Cloud Capybara .register_driver :lambdatest do | app | caps = Selenium::WebDriver::Remote::Capabilities .new( browserName: 'chrome' , 'LT:Options' => { user: ENV [ 'LT_USERNAME' ], accessKey: ENV [ 'LT_ACCESS_KEY' ], build: 'Capybara Build' , name: 'Login Test' , platform: 'Windows 11' , video: true } ) Capybara::Selenium::Driver .new(app, browser: :remote , url: 'https://hub.lambdatest.com/wd/hub' , capabilities: caps) end Capybara .default_driver = :lambdatest Setup: gem 'capybara' + gem 'selenium-webdriver' in Gemfile Run: bundle exec rspec spec/features/ Cloud (TestMu AI) For remote browser execution, see reference/cloud-integration.md and shared/testmu-cloud-reference.md . Deep Patterns See reference/playbook.md for production-grade patterns: Section What You Get §1 Project Setup Gemfile, Capybara config, driver registration, LambdaTest §2 Feature Specs Login flows, JavaScript interactions, modals, async content §3 Page Objects SitePrism pages with elements/sections, usage in specs §4 API Testing Request specs with auth headers, JSON assertions §5 Database Cleaning DatabaseCleaner transaction/truncation strategies §6 Matchers & Helpers Custom helpers, sign_in, expect_flash §7 CI/CD Integration GitHub Actions with Postgres, Redis, Chrome §8 Debugging Table 12 common problems with causes and fixes §9 Best Practices 14-item Capybara testing checklist