rails50_ac_test_case.rb

# Usage: synvert --load rails50_ac_test_case.rb --run rails/rails50_ac_test_case

Synvert::Rewriter.new('rails', 'rails50_ac_test_case') do
  helper_method :rewrite_with_new_syntax do
    if node.arguments.size == 2 && node.arguments[1].type == :hash
      params = node.arguments[1].to_source
      if params[0] != '{'
        params = "{ #{params} }"
      end
      replace_with("#{node.message} #{node.arguments[0].to_source}, params: #{params}")
    elsif node.arguments.size == 2 && node.arguments[1].type == :send && node.arguments[1].receiver == nil && node.arguments[1].arguments.empty?
      replace_with("#{node.message} #{node.arguments[0].to_source}, params: #{node.arguments[1].to_source}")
    end
  end

  within_files 'spec/**/*.rb' do
    %w[get post put delete].each do |meth|
      with_node(type: 'send', receiver: nil, message: meth) do
        rewrite_with_new_syntax
      end
    end

    with_node(type: 'send', receiver: nil, message: 'xhr') do
      if node.arguments[0].type == :sym
        code = "#{node.arguments[0].children[0].to_s} #{node.arguments[1].to_source}, xhr: true"
        if node.arguments.size == 2
          replace_with(code)
        elsif node.arguments.size == 3
          params = node.arguments[2].to_source
          if params[0] != '{'
            params = "{ #{params} }"
          end
          replace_with("#{code}, params: #{params}")
        end
      end
    end
  end
end