Class: SvgConform::CompatibilityAnalyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/svg_conform/compatibility_analyzer.rb

Overview

Analyzes compatibility between svg_conform and svgcheck results

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CompatibilityAnalyzer

Returns a new instance of CompatibilityAnalyzer.



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# File 'lib/svg_conform/compatibility_analyzer.rb', line 10

def initialize
  @results = {}
end

Instance Attribute Details

#results ⇒ Object (readonly)

Returns the value of attribute results.



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# File 'lib/svg_conform/compatibility_analyzer.rb', line 8

def results
  @results
end

Instance Method Details

#analyze_all_files ⇒ Object

Analyze all test files and compare results



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# File 'lib/svg_conform/compatibility_analyzer.rb', line 15

def analyze_all_files
  input_dir = File.join(__dir__, "..", "..", "spec", "fixtures",
                        "svgcheck", "inputs")
  check_dir = File.join(__dir__, "..", "..", "spec", "fixtures",
                        "svgcheck", "check")
  repair_dir = File.join(__dir__, "..", "..", "spec", "fixtures",
                         "svgcheck", "repair")

  Dir.glob(File.join(input_dir, "*.svg")).each do |input_file|
    basename = File.basename(input_file, ".svg")
    next if basename.start_with?("rfc") # Skip non-SVG files

    puts "Analyzing #{basename}..."
    result = analyze_file(input_file, check_dir, repair_dir)
    @results[basename] = result
  end

  @results
end

#analyze_file(input_file, check_dir, repair_dir) ⇒ Object

Analyze a single file



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# File 'lib/svg_conform/compatibility_analyzer.rb', line 36

def analyze_file(input_file, check_dir, repair_dir)
  basename = File.basename(input_file, ".svg")

  # Load svgcheck results
  svgcheck_out = load_svgcheck_file(check_dir, "#{basename}.svg.out")
  svgcheck_err = load_svgcheck_file(check_dir, "#{basename}.svg.err")
  svgcheck_code = load_svgcheck_file(check_dir, "#{basename}.svg.code")
  svgcheck_repair = load_svgcheck_file(repair_dir, "#{basename}.svg.file")

  # Run our validation
  our_validation = run_our_validation(input_file)
  our_remediation = nil # Skip remediation for now

  # Parse svgcheck results
  svgcheck_errors = parse_svgcheck_errors(svgcheck_out)
  svgcheck_valid = svgcheck_out.include?("INFO: File conforms to SVG requirements")

  # Compare results
  {
    file: basename,
    input_file: input_file,
    svgcheck: {
      valid: svgcheck_valid,
      errors: svgcheck_errors,
      error_count: svgcheck_errors.length,
      exit_code: svgcheck_code&.strip&.to_i,
      raw_output: svgcheck_out,
      raw_error: svgcheck_err,
      repaired_content: svgcheck_repair,
    },
    our_results: {
      valid: our_validation[:valid],
      errors: our_validation[:errors],
      error_count: our_validation[:errors].length,
      remediated_content: our_remediation,
    },
    compatibility: analyze_compatibility(svgcheck_errors, svgcheck_valid,
                                         our_validation),
  }
end

#generate_report ⇒ Object

Generate a detailed report



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# File 'lib/svg_conform/compatibility_analyzer.rb', line 78

def generate_report
  return "No analysis results available" if @results.empty?

  report = []
  report << "SVG Conform vs SVGCheck Compatibility Analysis"
  report << "=" * 50
  report << ""

  # Summary statistics
  total_files = @results.length
  compatible_files = @results.count do |_, r|
    r[:compatibility][:overall_compatible]
  end

  report << "Summary:"
  report << "  Total files analyzed: #{total_files}"
  report << "  Compatible files: #{compatible_files}"
  report << "  Compatibility rate: #{(compatible_files.to_f / total_files * 100).round(1)}%"
  report << ""

  # Detailed analysis for each file
  @results.each do |basename, result|
    report << "File: #{basename}"
    report << "-" * 30

    # Validation comparison
    svgcheck_valid = result[:svgcheck][:valid]
    our_valid = result[:our_results][:valid]

    report << "  Validation:"
    report << "    SVGCheck: #{svgcheck_valid ? 'VALID' : 'INVALID'} (#{result[:svgcheck][:error_count]} errors)"
    report << "    Our tool:  #{our_valid ? 'VALID' : 'INVALID'} (#{result[:our_results][:error_count]} errors)"
    report << "    Match: #{svgcheck_valid == our_valid ? 'YES' : 'NO'}"

    # Error analysis
    if result[:svgcheck][:error_count].positive? || result[:our_results][:error_count].positive?
      report << "  Errors:"

      if result[:svgcheck][:error_count].positive?
        report << "    SVGCheck errors:"
        result[:svgcheck][:errors].each do |error|
          report << "      - Line #{error[:line]}: #{error[:message]}"
        end
      end

      if result[:our_results][:error_count].positive?
        report << "    Our errors:"
        result[:our_results][:errors].each do |error|
          report << "      - #{error}"
        end
      end
    end

    # Compatibility issues
    compatibility = result[:compatibility]
    unless compatibility[:issues].empty?
      report << "  Compatibility Issues:"
      compatibility[:issues].each do |issue|
        report << "    - #{issue}"
      end
    end

    report << ""
  end

  # Pattern analysis
  report << "Common Patterns:"
  report << "-" * 20

  # Find common error types
  all_svgcheck_errors = @results.values.flat_map do |r|
    r[:svgcheck][:errors]
  end
  error_patterns = all_svgcheck_errors.group_by do |e|
    extract_error_pattern(e[:message])
  end

  error_patterns.each do |pattern, errors|
    report << "  #{pattern}: #{errors.length} occurrences"
  end

  report.join("\n")
end