Back to Repositories

Testing Request Proxy Configuration Management in Faraday

This test suite examines the RequestOptions functionality in the Faraday HTTP client library, focusing on proxy configuration handling. It validates the proper initialization, modification, and validation of request proxy settings through the RequestOptions class.

Test Coverage Overview

The test suite provides comprehensive coverage of the RequestOptions class proxy handling functionality:

Validates initial nil proxy state
Tests invalid proxy assignment scenarios
Verifies proper proxy object creation and property access
Confirms proxy reset capabilities
Ensures proper string representation of empty options

Implementation Analysis

The testing approach utilizes RSpec’s behavior-driven development patterns to systematically verify RequestOptions behavior. The implementation leverages RSpec’s expectation syntax and error handling verification to ensure robust proxy configuration management.

Key patterns include subject declaration, exception testing, and object type verification using RSpec’s built-in matchers.

Technical Details

Testing tools and configuration:

RSpec testing framework
Faraday::RequestOptions class implementation
Faraday::ProxyOptions for proxy handling
Ruby frozen_string_literal pragma
RSpec subject helper for clean test organization

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Isolated test scope focusing on single responsibility
Clear error case handling
Proper object state verification
Consistent use of RSpec idioms
Comprehensive attribute testing workflow

lostisland/faraday

spec/faraday/options/request_options_spec.rb

            
# frozen_string_literal: true

RSpec.describe Faraday::RequestOptions do
  subject(:options) { Faraday::RequestOptions.new }

  it 'allows to set the request proxy' do
    expect(options.proxy).to be_nil

    expect { options[:proxy] = { booya: 1 } }.to raise_error(NoMethodError)

    options[:proxy] = { user: 'user' }
    expect(options.proxy).to be_a_kind_of(Faraday::ProxyOptions)
    expect(options.proxy.user).to eq('user')

    options.proxy = nil
    expect(options.proxy).to be_nil
    expect(options.inspect).to eq('#<Faraday::RequestOptions (empty)>')
  end
end