[ruby on rails]capybara结合rspec的使用（模拟浏览器测试）

1.安装

group :development, :test do
  gem 'capybara' 
end

2.配置

#spec/rails_helper.rb

require 'capybara/rails'
require 'capybara/rspec'

3.使用

mkdir -p spec/features
touch spec/features/home_spec.rb

require 'rails_helper'

RSpec.describe 'Home', type: :feature do
  it 'has navbar element' do
    visit root_path
    expect(page).to have_css 'nav.navbar'
  end
  
  it 'user views error page' do
    visit '/404'
    expect(page).to have_text("The page you were looking for doesn't exist")
  end
end

4.常用方法

• page
  可以拿到當前頁面的 HTML 內容：page.html
• 操作页面的方法 Navigations
  visit
  click_on
  click
  click_button
  within
  fill_in
• 檢查页面的方法 Expectations
  have_text
  have_link
  has_link?
  have_css
• 完整方法請參考：https://github.com/teamcapybara/capybara。