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Testing Configuration Backup Detection System in WPScan

This test suite validates the configuration backup file detection functionality in WPScan, focusing on the base finder implementation and its ability to identify potential WordPress configuration backup files. The tests ensure proper initialization and finder registration for security scanning purposes.

Test Coverage Overview

The test coverage focuses on the WPScan configuration backup finder’s core functionality, specifically validating the finder registration and initialization process.

Validates finder class initialization with target URL
Verifies correct registration of KnownFilenames finder
Tests proper target URL handling and configuration

Implementation Analysis

The testing approach utilizes RSpec’s describe blocks to organize test cases around the ConfigBackups::Base class functionality. The implementation leverages RSpec’s let statements for dependency injection and subject blocks for clear test subject definition.

The tests employ RSpec’s expectation syntax to verify the finder’s internal structure and proper class registration.

Technical Details

Testing Framework: RSpec
Test Subject: WPScan::Finders::ConfigBackups::Base
Dependencies: WPScan::Target
Configuration: Uses frozen_string_literal pragma
Setup: Implements subject/let pattern for test isolation

Best Practices Demonstrated

The test suite demonstrates several testing best practices including proper test isolation, clear subject definition, and focused test cases. It uses RSpec’s modern syntax and maintains single responsibility principle in test organization.

Clean test setup using subject and let
Explicit expectation matching
Proper test isolation and dependency management
Clear test case organization

wpscanteam/wpscan

spec/app/finders/config_backups_spec.rb

            
# frozen_string_literal: true

describe WPScan::Finders::ConfigBackups::Base do
  subject(:config_backups) { described_class.new(target) }
  let(:target)             { WPScan::Target.new(url) }
  let(:url)                { 'http://ex.lo/' }

  describe '#finders' do
    it 'contains the expected finders' do
      expect(config_backups.finders.map { |f| f.class.to_s.demodulize }).to eq %w[KnownFilenames]
    end
  end
end