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Testing WordPress Fingerprint Database Management in WPScan

This test suite validates the fingerprint management functionality in WPScan’s database module, focusing on WordPress version fingerprinting and hash verification. The tests ensure accurate version detection through file hashes and path mappings.

Test Coverage Overview

The test suite provides comprehensive coverage of fingerprint handling in WPScan’s database module.

Tests verification of WordPress version fingerprints
Validates hash-to-version mapping functionality
Covers unique fingerprint identification
Tests path-based fingerprint organization

Implementation Analysis

The implementation uses RSpec’s describe blocks to organize test cases logically around the WPScan::DB::Fingerprints class methods. The testing approach leverages expected value matching to verify hash-version mappings and fingerprint uniqueness checks.

Structured around describe blocks for method testing
Uses RSpec’s expect syntax for assertions
Implements nested context organization

Technical Details

RSpec testing framework
Frozen string literal pragma enabled
Hash-based data structure testing
Nested hash verification
Version string array validation

Best Practices Demonstrated

The test suite demonstrates several testing best practices for Ruby and RSpec implementations.

Clear test organization and hierarchy
Focused test cases with single responsibility
Explicit expected value definitions
Proper describe block usage for context
Clean and maintainable test structure

wpscanteam/wpscan

spec/lib/db/fingerprints_spec.rb

            
# frozen_string_literal: true

describe WPScan::DB::Fingerprints do
  describe '#unique_fingerprints' do
    # Handled in #wp_unique_fingerprints
  end

  describe '.wp_fingerprints' do
    it 'returns the expected value' do
      expect(described_class.wp_fingerprints).to eql(
        'path-1' => {
          'hash-1' => %w[4.0 3.8],
          'hash-2' => ['4.4']
        },
        'path-2' => {
          'hash-3' => %w[3.8.1 3.8.2 3.9.1]
        }
      )
    end
  end

  describe '.wp_unique_fingerprints' do
    it 'returns the expected value' do
      expect(described_class.wp_unique_fingerprints).to eql('path-1' => { 'hash-2' => '4.4' })
    end
  end
end