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Testing Browser User Agent Configuration in WPScan

This test suite validates the Browser class functionality in WPScan, focusing on user agent handling and configuration. The tests ensure proper initialization and customization of browser instances while maintaining security scanning capabilities.

Test Coverage Overview

The test suite provides comprehensive coverage of the WPScan Browser class functionality, particularly focusing on user agent management.

Tests default user agent string generation
Validates custom user agent configuration
Verifies instance management and reset capabilities
Ensures proper version integration in user agent string

Implementation Analysis

The implementation utilizes RSpec’s context-driven testing approach with subject/let patterns for clear test organization. The tests leverage RSpec’s describe blocks and its matchers to validate browser behavior.

Uses subject/let syntax for clean test setup
Implements shared context patterns
Employs before hooks for state management
Utilizes RSpec’s its syntax for concise assertions

Technical Details

Testing Framework: RSpec
Test Type: Unit Tests
Key Dependencies: WPScan core library
Configuration: Frozen string literals enabled
Setup: Instance management with reset capabilities

Best Practices Demonstrated

The test suite exemplifies several testing best practices, including proper isolation and clear context separation. It maintains a clean and organized structure while effectively testing both default and custom configurations.

Clear context separation
Proper test isolation
Consistent naming conventions
Effective use of RSpec’s DSL
Comprehensive edge case coverage

wpscanteam/wpscan

spec/lib/browser_spec.rb

            
# frozen_string_literal: true

describe WPScan::Browser do
  subject(:browser) { described_class.instance(options) }
  let(:options)     { {} }

  before            { described_class.reset }

  describe '#user_agent' do
    context 'when not set' do
      its(:user_agent) { should eq "WPScan v#{WPScan::VERSION} (https://wpscan.com/wordpress-security-scanner)" }
    end

    context 'when set' do
      let(:options) { super().merge(user_agent: 'Custom UA') }

      its(:user_agent) { should eq options[:user_agent] }
    end
  end
end