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Testing Newsletter Subscription System Implementation in DocuSeal

This test suite validates the newsletter subscription functionality in the DocuSeal application, focusing on user interactions with the newsletter signup form. The tests cover form display, submission handling, and skip functionality verification.

Test Coverage Overview

The test suite provides comprehensive coverage of the newsletter subscription workflow:

Form display validation including presence of key elements
Newsletter submission functionality verification
Skip operation handling and redirection
User email pre-population testing

Implementation Analysis

The implementation utilizes RSpec’s system testing capabilities with a focus on user interaction simulation. The tests employ page object interactions and HTTP request stubbing to isolate the newsletter submission functionality.

Key patterns include request stubbing for external API calls and session management through user authentication setup.

Technical Details

Testing tools and configuration:

RSpec Rails integration
WebMock for HTTP request stubbing
Factory-based test data generation
Capybara for page interaction
Rails helper integration for authentication

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Isolated test scenarios with proper setup and teardown
External service mocking to prevent network calls
Explicit expectations for user interactions
Clean separation of concerns in test organization
Efficient use of RSpec’s let statements for test data preparation

docusealco/docuseal

spec/system/newsletters_spec.rb

            
# frozen_string_literal: true

require 'rails_helper'

RSpec.describe 'Newsletter' do
  let(:user) { create(:user, account: create(:account)) }

  before do
    sign_in(user)
    stub_request(:post, Docuseal::NEWSLETTER_URL).to_return(status: 200)
    visit newsletter_path
  end

  it 'shows the newsletter page' do
    expect(page).to have_content('Developer Newsletters')
    expect(page).to have_button('Submit')
    expect(page).to have_content('Skip')
    expect(page).to have_field('user[email]', with: user.email)
  end

  it 'submits the newsletter form' do
    click_button 'Submit'

    expect(a_request(:post, Docuseal::NEWSLETTER_URL)).to have_been_made.once
  end

  it 'skips the newsletter form' do
    click_on 'Skip'

    expect(page).to have_current_path(root_path, ignore_query: true)
  end
end