Module: Tng::Utils

Defined in:
lib/tng/utils.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.center_text_static(text, width = 80) ⇒ Object 



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# File 'lib/tng/utils.rb', line 540

def self.center_text_static(text, width = 80)
  lines = text.split("\n")
  lines.map do |line|
    # Remove ANSI color codes for length calculation
    clean_line = line.gsub(/\e\[[0-9;]*m/, "")
    padding = [(width - clean_line.length) / 2, 0].max
    " " * padding + line
  end.join("\n")
end

.cleanup_file_content(content) ⇒ Object 



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# File 'lib/tng/utils.rb', line 223

def self.cleanup_file_content(content)
  return content unless content.is_a?(String)

  cleaned = content.dup

  # Strip trailing whitespace first
  cleaned.rstrip!

  # Remove trailing JSON artifacts that shouldn't be in Ruby code
  # Common patterns: ends with `end"` or `end"\n}` or just `}`
  loop do
    original = cleaned.dup

    # Remove trailing lone } or " that shouldn't be there
    cleaned.sub!(/\n\s*\}\s*\z/, "\n")
    cleaned.sub!(/"\s*\z/, "")
    cleaned.sub!(/\n\s*"\s*\z/, "\n")
    cleaned.sub!(/end"\s*\z/, "end")

    break if cleaned == original
  end

  # Ensure file ends with single newline
  cleaned.rstrip!
  cleaned << "\n" unless cleaned.empty?

  cleaned
end

.count_test_nodes(node) ⇒ Object 



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# File 'lib/tng/utils.rb', line 392

def self.count_test_nodes(node)
  return 0 unless node.respond_to?(:child_nodes)

  count = 0

  # Check if current node is a test
  count += 1 if test_node?(node)

  # Recursively check child nodes
  node.child_nodes.each do |child|
    count += count_test_nodes(child) if child
  end

  count
end

.count_tests_in_file(file_path) ⇒ Object 



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# File 'lib/tng/utils.rb', line 377

def self.count_tests_in_file(file_path)
  return 0 unless File.exist?(file_path)

  begin
    content = File.read(file_path)
    result = Prism.parse(content)
    return 0 unless result.success?

    count_test_nodes(result.value)
  rescue StandardError => e
    puts "⚠️  Warning: Could not parse #{file_path}: #{e.message}" if ENV["DEBUG"]
    0
  end
end

.display_test_counts(passed, failed, skipped, total, success, pastel, terminal_width) ⇒ Object 



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# File 'lib/tng/utils.rb', line 512

def self.display_test_counts(passed, failed, skipped, total, success, pastel, terminal_width)
  passed_icon = pastel.decorate(Tng::UI::Theme.icon(:success), Tng::UI::Theme.color(:primary))
  failed_icon = pastel.decorate(Tng::UI::Theme.icon(:error), Tng::UI::Theme.color(:primary))
  skipped_icon = pastel.decorate("⏭️", Tng::UI::Theme.color(:accent))
  total_icon = pastel.decorate(Tng::UI::Theme.icon(:marker), Tng::UI::Theme.color(:primary))

  passed_text = pastel.decorate("#{passed_icon} #{passed} passed", Tng::UI::Theme.color(:success))
  failed_text = pastel.decorate("#{failed_icon} #{failed} failed", Tng::UI::Theme.color(:error))
  skipped_text = if skipped.positive?
                   pastel.decorate("#{skipped_icon} #{skipped} skipped",
                                   Tng::UI::Theme.color(:warning))
                 else
                   nil
                 end
  total_text = pastel.decorate("#{total_icon} #{total} total", Tng::UI::Theme.color(:secondary))

  results = [passed_text, failed_text, skipped_text, total_text].compact.join(", ")
  puts center_text_static(results, terminal_width)

  # Overall result
  overall_msg = if success
                  pastel.decorate("#{Tng::UI::Theme.icon(:success)} All tests passed!", Tng::UI::Theme.color(:success))
                else
                  pastel.decorate("#{Tng::UI::Theme.icon(:error)} Some tests failed", Tng::UI::Theme.color(:error))
                end
  puts center_text_static(overall_msg, terminal_width)
end

.filter_ignored_files(files, root: nil, path_key: :path) ⇒ Object 



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# File 'lib/tng/utils.rb', line 163

def self.filter_ignored_files(files, root: nil, path_key: :path)
  return [] if files.nil?
  root ||= project_root

  files.reject do |file|
    candidate =
      if file.is_a?(Hash)
        file[path_key] || file[path_key.to_s]
      else
        file
      end
    ignored_path?(candidate, root: root)
  end
end

.fixture_content ⇒ Object 



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# File 'lib/tng/utils.rb', line 252

def self.fixture_content
  # Auto-detect: try fixtures first, then factory_bot, then fabricator
  fixtures = load_all_fixtures_data
  return fixtures if fixtures.any?

  factories = load_all_factory_data
  return factories if factories.any?

  fabricators = load_all_fabricator_data
  return fabricators if fabricators.any?

  {}
end

.format_generation_time(seconds) ⇒ Object 



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# File 'lib/tng/utils.rb', line 550

def self.format_generation_time(seconds)
  if seconds < 1
    "#{(seconds * 1000).round}ms"
  elsif seconds < 60
    "#{seconds.round(1)}s"
  else
    minutes = (seconds / 60).floor
    remaining_seconds = (seconds % 60).round
    "#{minutes}m #{remaining_seconds}s"
  end
end

.has_gem?(gem_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tng/utils.rb', line 106

def self.has_gem?(gem_name)
  return false unless defined?(Bundler)

  gemfile_specs = Bundler.load.specs
  gemfile_specs.any? { |spec| spec.name == gem_name }
rescue StandardError
  false
end

.ignored_path?(path, root: nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tng/utils.rb', line 137

def self.ignored_path?(path, root: nil)
  return false unless path

  root ||= project_root
  target = normalize_path(path.to_s, root)
  return false unless target

  ignore_files = Array(Tng.config[:ignore_files])
  ignore_folders = Array(Tng.config[:ignore_folders])

  ignore_files.each do |entry|
    resolved = normalize_path(entry.to_s, root)
    next unless resolved
    return true if resolved == target
  end

  ignore_folders.each do |entry|
    resolved = normalize_path(entry.to_s, root)
    next unless resolved
    resolved = resolved.end_with?("/") ? resolved.chomp("/") : resolved
    return true if target == resolved || target.start_with?(resolved + "/")
  end

  false
end

.load_all_active_record_data ⇒ Object 



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# File 'lib/tng/utils.rb', line 373

def self.load_all_active_record_data
  {}
end

.load_all_fabricator_data ⇒ Object 



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# File 'lib/tng/utils.rb', line 290

def self.load_all_fabricator_data
  fabricator_data = {}
  return fabricator_data unless defined?(::Rails) && ::Rails.respond_to?(:root) && ::Rails.root
  fabricators_dir = ::Rails.root.join("spec", "fabricators")

  return fabricator_data unless Dir.exist?(fabricators_dir)

  Dir.glob("#{fabricators_dir}/*_fabricator.rb").each do |fabricator_file|
    model_name = File.basename(fabricator_file, "_fabricator.rb")

    begin
      content = File.read(fabricator_file)
      fabricator_data[model_name] = parse_fabricator_structure(content, model_name)
    rescue StandardError => e
      puts "⚠️  Warning: Could not load fabricator file #{fabricator_file}: #{e.message}"
    end
  end

  fabricator_data
end

.load_all_factory_data ⇒ Object 



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# File 'lib/tng/utils.rb', line 311

def self.load_all_factory_data
  factory_data = {}
  return factory_data unless defined?(::Rails) && ::Rails.respond_to?(:root) && ::Rails.root
  factory_dirs = [
    ::Rails.root.join("spec", "factories"),
    ::Rails.root.join("test", "factories")
  ]

  factory_dirs.each do |factory_dir|
    next unless Dir.exist?(factory_dir)

    Dir.glob("#{factory_dir}/*.rb").each do |factory_file|
      content = File.read(factory_file)

      begin
        # Extract all factory definitions from the file
        content.scan(/factory\s+:(\w+)\s+do/) do |match|
          model_name = match[0]
          factory_data[model_name] = parse_factory_structure(content, model_name)
        end
      rescue StandardError => e
        puts "⚠️  Warning: Could not load factory file #{factory_file}: #{e.message}"
      end
    end
  end

  factory_data
end

.load_all_fixtures_data ⇒ Object 



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# File 'lib/tng/utils.rb', line 266

def self.load_all_fixtures_data
  fixture_data = {}
  # TODO: Load proper folder for Rspec. This is only valid for minitest.
  return fixture_data unless defined?(::Rails) && ::Rails.respond_to?(:root) && ::Rails.root
  fixtures_dir = ::Rails.root.join("test", "fixtures")

  return fixture_data unless Dir.exist?(fixtures_dir)

  fixture_files = Dir.glob("#{fixtures_dir}/*.yml")

  fixture_files.each do |fixture_file|
    model_name = File.basename(fixture_file, ".yml")

    begin
      fixtures = YAML.load_file(fixture_file)
      fixture_data[model_name] = fixtures
    rescue StandardError => e
      puts "⚠️  Warning: Could not load fixture file #{fixture_file}: #{e.message}"
    end
  end

  fixture_data
end

.normalize_path(entry, root) ⇒ Object 



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# File 'lib/tng/utils.rb', line 123

def self.normalize_path(entry, root)
  return nil unless entry.is_a?(String)

  trimmed = entry.strip
  return nil if trimmed.empty?

  normalized = trimmed.tr("\\", "/")
  if normalized.start_with?("/")
    File.expand_path(normalized)
  else
    File.expand_path(normalized, root)
  end
end

.parse_attribute_value(value) ⇒ Object 



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# File 'lib/tng/utils.rb', line 368

def self.parse_attribute_value(value)
  # Clean up and parse attribute values
  value.strip.gsub(/^["']|["']$/, "")
end

.parse_fabricator_structure(content, model_name) ⇒ Object 



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# File 'lib/tng/utils.rb', line 340

def self.parse_fabricator_structure(content, model_name)
  # Parse fabricator file to extract attribute structure
  attributes = {}

  # Look for Fabricator definitions
  content.scan(/Fabricator\(:#{model_name}\) do \|f\|(.*?)end/m) do |block|
    block[0].scan(/f\.(\w+)\s+(.+)/) do |attr, value|
      attributes[attr] = parse_attribute_value(value)
    end
  end

  { "attributes" => attributes, "type" => "fabricator" }
end

.parse_factory_structure(content, model_name) ⇒ Object 



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# File 'lib/tng/utils.rb', line 354

def self.parse_factory_structure(content, model_name)
  # Parse factory file to extract attribute structure
  attributes = {}

  # Look for factory definitions
  content.scan(/factory :#{model_name} do(.*?)end/m) do |block|
    block[0].scan(/(\w+)\s+(.+)/) do |attr, value|
      attributes[attr] = parse_attribute_value(value)
    end
  end

  { "attributes" => attributes, "type" => "factory" }
end

.parse_minitest_results(output, exit_code, pastel, terminal_width) ⇒ Object 



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# File 'lib/tng/utils.rb', line 475

def self.parse_minitest_results(output, exit_code, pastel, terminal_width)
  # Minitest output example: "7 tests, 15 assertions, 2 failures, 1 errors, 0 skips"
  # or "Run options: --seed 12345"
  # "7 tests, 2 assertions, 0 failures, 0 errors, 0 skips"

  lines = output.lines
  # Look for summary line - could be "X tests" or "X runs"
  summary_line = lines.find { |line| line.match?(/\d+ (?:tests?|runs?),/) }

  if summary_line
    # Extract numbers from summary - handle both "tests" and "runs" format
    match = summary_line.match(/(\d+) (?:tests?|runs?), (\d+) assertions?, (\d+) failures?, (\d+) errors?, (\d+) skips?/)
    if match
      total = match[1].to_i
      failures = match[3].to_i
      errors = match[4].to_i
      skips = match[5].to_i
      passed = total - failures - errors - skips

      display_test_counts(passed, failures + errors, skips, total, exit_code.zero?, pastel, terminal_width)
    else
      puts center_text_static(pastel.decorate("Could not parse Minitest results", Tng::UI::Theme.color(:error)),
                              terminal_width)
      puts center_text_static("Expected format: 'X tests, Y assertions, Z failures, A errors, B skips'",
                              terminal_width)
      puts center_text_static("Got: #{summary_line.strip}", terminal_width)
    end
  else
    puts center_text_static(pastel.decorate("No test results found", Tng::UI::Theme.color(:warning)),
                            terminal_width)
    puts center_text_static("Looking for line with test counts...", terminal_width)
    # Show last few lines for debugging
    last_lines = output.lines.last(3).map(&:strip).join(" | ")
    puts center_text_static("Last lines: #{last_lines}", terminal_width) if output.lines.any?
  end
end

.parse_rspec_json_results(output, exit_code, pastel, terminal_width) ⇒ Object

Test result parsing methods



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# File 'lib/tng/utils.rb', line 424

def self.parse_rspec_json_results(output, exit_code, pastel, terminal_width)
  # Parse RSpec JSON output
  json_data = JSON.parse(output)
  summary = json_data["summary"] || json_data

  total = summary["example_count"] || summary["total_examples"] || 0
  failures = summary["failure_count"] || summary["failures"] || 0
  pending = summary["pending_count"] || summary["pending"] || 0
  errors = summary["errors_outside_of_examples_count"] || 0

  passed = total - failures - pending - errors

  display_test_counts(passed, failures + errors, pending, total, exit_code.zero?, pastel, terminal_width)
rescue JSON::ParserError
  # Fallback to text parsing if JSON fails
  puts center_text_static(
    pastel.decorate("JSON parsing failed, falling back to text parsing",
                    Tng::UI::Theme.color(:warning)), terminal_width
  )
  parse_rspec_results(output, exit_code, pastel, terminal_width)
end

.parse_rspec_results(output, exit_code, pastel, terminal_width) ⇒ Object 



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# File 'lib/tng/utils.rb', line 446

def self.parse_rspec_results(output, exit_code, pastel, terminal_width)
  # RSpec output example: "7 examples, 2 failures"
  # or "Finished in 0.12345 seconds (files took 0.01234 seconds to load)"
  # "7 examples, 2 failures, 1 pending"

  lines = output.lines
  summary_line = lines.find { |line| line.match?(/\d+ examples?,/) }

  if summary_line
    # Extract numbers from summary
    match = summary_line.match(/(\d+) examples?, (\d+) failures?(?:, (\d+) pending)?/)
    if match
      total = match[1].to_i
      failures = match[2].to_i
      pending = match[3].to_i || 0
      passed = total - failures - pending

      display_test_counts(passed, failures, pending, total, exit_code == 0, pastel, terminal_width)
    else
      puts center_text_static(pastel.decorate("Could not parse RSpec results", Tng::UI::Theme.color(:error)),
                              terminal_width)
      puts center_text_static(output.lines.last.strip, terminal_width) if output.lines.any?
    end
  else
    puts center_text_static(pastel.decorate("No test results found", Tng::UI::Theme.color(:warning)),
                            terminal_width)
  end
end

.project_root ⇒ Object 



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# File 'lib/tng/utils.rb', line 115

def self.project_root
  if defined?(::Rails) && ::Rails.respond_to?(:root) && ::Rails.root
    ::Rails.root.to_s
  else
    Dir.pwd
  end
end

.rails_project?(root = Dir.pwd) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tng/utils.rb', line 8

def self.rails_project?(root = Dir.pwd)
  checks = 0

  app_rb = File.join(root, "config", "application.rb")
  checks += 1 if File.exist?(app_rb)

  env_rb = File.join(root, "config", "environment.rb")
  checks += 1 if File.exist?(env_rb)

  gemfile = File.join(root, "Gemfile")
  if File.exist?(gemfile)
    begin
      content = File.read(gemfile)
      checks += 1 if content.match?(/gem ['"]rails['"]/)
    rescue StandardError
      # ignore read errors
    end
  end

  config_ru = File.join(root, "config.ru")
  if File.exist?(config_ru)
    begin
      content = File.read(config_ru)
      checks += 1 if content.match?(/run\s+Rails\.application|Rails::Application/)
    rescue StandardError
      # ignore read errors
    end
  end

  checks >= 3
end

.run_tests(file_path) ⇒ Object 



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# File 'lib/tng/utils.rb', line 575

def self.run_tests(file_path)
  command = if file_path.include?("/spec/")
              "bundle exec rspec #{file_path}"
            else
              "bundle exec rails test #{file_path}"
            end
  output = `#{command} 2>&1`
  { success: $?.success?, output: output, command: command }
end

.save_test_file(test_content) ⇒ Object 



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# File 'lib/tng/utils.rb', line 178

def self.save_test_file(test_content)
  puts "📋 Raw API response: #{test_content[0..200]}..." if ENV["DEBUG"]
  parsed_response = JSON.parse(test_content)

  return { error: :generation_failed, message: parsed_response["error"] } if parsed_response["error"]
  # Validate required fields
  unless parsed_response["file_content"]
    return { error: :invalid_response, message: "API response missing file_content" }
  end

  # Handle both possible field names for file path
  file_path = parsed_response["test_file_path"] || parsed_response["file_path"] || parsed_response["file_name"] || parsed_response["file"]
  return { error: :invalid_response, message: "API response missing file path" } unless file_path

  begin
    clean_content = cleanup_file_content(parsed_response["file_content"])
    File.write(file_path, clean_content)
  rescue Errno::ENOENT
    # Create directory if it doesn't exist
    FileUtils.mkdir_p(File.dirname(file_path))
    clean_content = cleanup_file_content(parsed_response["file_content"])
    File.write(file_path, clean_content)
  end
  absolute_path = File.expand_path(file_path)

  # Count tests in the generated file
  test_count = count_tests_in_file(file_path)

  # Determine run command based on test framework
  run_command = if file_path.include?("/spec/")
                  "bundle exec rspec #{file_path}"
                else
                  "bundle exec rails test #{file_path}"
                end

  # Return file information for CLI to use
  {
    file_path: file_path,
    absolute_path: absolute_path,
    run_command: run_command,
    test_class_name: parsed_response["test_class_name"],
    test_count: test_count
  }
end

.test_node?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tng/utils.rb', line 408

def self.test_node?(node)
  case node
  when Prism::DefNode
    # Minitest: def test_something
    node.name.to_s.start_with?("test_")
  when Prism::CallNode
    # RSpec: it "...", specify "..."
    # Minitest: test "..."
    method_name = node.name.to_s
    %w[it specify test].include?(method_name)
  else
    false
  end
end

.validate_rubocop(file_path) ⇒ Object 



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# File 'lib/tng/utils.rb', line 567

def self.validate_rubocop(file_path)
  # Run rubocop with JSON output
  output = `bundle exec rubocop #{file_path} --format json 2>&1`
  { success: $?.success?, output: output }
rescue StandardError => e
  { success: false, output: "Rubocop error: #{e.message}" }
end

.validate_ruby_syntax(file_path) ⇒ Object 



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# File 'lib/tng/utils.rb', line 562

def self.validate_ruby_syntax(file_path)
  output = `ruby -c #{file_path} 2>&1`
  { success: $?.success?, output: output }
end

Instance Method Details

#camelize(str, first_letter = :upper) ⇒ Object 



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# File 'lib/tng/utils.rb', line 79

def camelize(str, first_letter = :upper)
  # Use Rails' camelize method if available, otherwise use custom implementation
  if defined?(ActiveSupport::Inflector) && ActiveSupport::Inflector.respond_to?(:camelize)
    case first_letter
    when :upper
      ActiveSupport::Inflector.camelize(str, true)
    when :lower
      ActiveSupport::Inflector.camelize(str, false)
    else
      raise ArgumentError, "Invalid option, use either :upper or :lower."
    end
  elsif str.respond_to?(:camelize)
    str.camelize(first_letter)
  else
    # Custom implementation
    result = str.gsub(/(?:^|_)([a-z])/) { Regexp.last_match(1).upcase }
    case first_letter
    when :upper
      result
    when :lower
      result[0].downcase + result[1..] if result.length.positive?
    else
      raise ArgumentError, "Invalid option, use either :upper or :lower."
    end
  end
end

#center_text(text, width = nil) ⇒ Object 



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# File 'lib/tng/utils.rb', line 48

def center_text(text, width = nil)
  width ||= @terminal_width || 80 # Use fallback if still nil
  lines = text.split("\n")
  lines.map do |line|
    # Remove ANSI color codes for length calculation
    clean_line = line.gsub(/\e\[[0-9;]*m/, "")
    padding = [(width - clean_line.length) / 2, 0].max
    " " * padding + line
  end.join("\n")
end

#clear_screen ⇒ Object 



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# File 'lib/tng/utils.rb', line 44

def clear_screen
  system("clear") || system("cls")
end

#find_rails_root ⇒ Object 



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# File 'lib/tng/utils.rb', line 69

def find_rails_root
  current_dir = Dir.pwd
  while current_dir != "/"
    return current_dir if File.exist?(File.join(current_dir, "config", "application.rb"))

    current_dir = File.dirname(current_dir)
  end
  nil
end

#load_rails_environment ⇒ Object 



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# File 'lib/tng/utils.rb', line 59

def load_rails_environment
  # Use bundler environment to avoid gem conflicts
  require "bundler/setup"
  require "./config/environment"
  true
rescue LoadError => e
  puts "Failed to load Rails: #{e.message}"
  false
end

#rails_project?(root = Dir.pwd) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tng/utils.rb', line 40

def rails_project?(root = Dir.pwd)
  Utils.rails_project?(root)
end