Class: Rails5::SpecConverter::TextTransformer

Inherits:
Object
  • Object
show all
Defined in:
lib/rails5/spec_converter/text_transformer.rb

Instance Method Summary collapse

Constructor Details

#initialize(content, options = TextTransformerOptions.new) ⇒ TextTransformer

Returns a new instance of TextTransformer.



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# File 'lib/rails5/spec_converter/text_transformer.rb', line 12

def initialize(content, options = TextTransformerOptions.new)
  @options = options
  @content = content

  @source_buffer = Parser::Source::Buffer.new('(string)')
  @source_buffer.source = @content

  ast_builder = Astrolabe::Builder.new
  @parser = Parser::CurrentRuby.new(ast_builder)

  @source_rewriter = Parser::Source::Rewriter.new(@source_buffer)
end

Instance Method Details

#transform ⇒ Object 



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# File 'lib/rails5/spec_converter/text_transformer.rb', line 25

def transform
  root_node = @parser.parse(@source_buffer)
  root_node.each_node(:send) do |node|
    target, verb, action, *args = node.children
    next unless args.length > 0
    next unless target.nil? && HTTP_VERBS.include?(verb)

    if args[0].hash_type?
      if args[0].children.length == 0
        wrap_arg(args[0], 'params')
      elsif has_kwsplat?(args[0])
        warn_about_ambiguous_params(node) if @options.warn_about_ambiguous_params?
        next
      else
        next if looks_like_route_definition?(args[0])
        next if has_key?(args[0], :params)

        write_params_hash(
          hash_node: args[0],
          original_indent: node.loc.expression.source_line.match(/^(\s*)/)[1]
        )
      end
    else
      warn_about_ambiguous_params(node) if @options.warn_about_ambiguous_params?
      wrap_arg(args[0], 'params') if @options.wrap_ambiguous_params?
    end

    wrap_arg(args[1], 'headers') if args[1]
  end

  @source_rewriter.process
end