Module: Rack::Test::Utils

Includes:
Utils
Included in:
Session
Defined in:
lib/rack/test/utils.rb

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.build_multipart(params, first = true) ⇒ Object


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# File 'lib/rack/test/utils.rb', line 29

def build_multipart(params, first = true)
  if first
    unless params.is_a?(Hash)
      raise ArgumentError, "value must be a Hash"
    end

    multipart = false
    query = lambda { |value|
      case value
      when Array
        value.each(&query)
      when Hash
        value.values.each(&query)
      when UploadedFile
        multipart = true
      end
    }
    params.values.each(&query)
    return nil unless multipart
  end

  flattened_params = Hash.new

  params.each do |key, value|
    k = first ? key.to_s : "[#{key}]"

    case value
    when Array
      value.map do |v|

        if (v.is_a?(Hash))
          nested_params = {}
          build_multipart(v, false).each { |subkey, subvalue|
            nested_params[subkey] = subvalue
          }
          flattened_params["#{k}[]"] ||= []
          flattened_params["#{k}[]"] << nested_params
        else
          flattened_params["#{k}[]"] = value
        end

      end
    when Hash
      build_multipart(value, false).each { |subkey, subvalue|
        flattened_params[k + subkey] = subvalue
      }
    else
      flattened_params[k] = value
    end
  end

  if first
    build_parts(flattened_params)
  else
    flattened_params
  end
end

.build_nested_query(value, prefix = nil) ⇒ Object


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# File 'lib/rack/test/utils.rb', line 7

def build_nested_query(value, prefix = nil)
  case value
  when Array
    value.map do |v|
      unless unescape(prefix) =~ /\[\]$/
        prefix = "#{prefix}[]"
      end
      build_nested_query(v, "#{prefix}")
    end.join("&")
  when Hash
    value.map do |k, v|
      build_nested_query(v, prefix ? "#{prefix}[#{escape(k)}]" : escape(k))
    end.join("&")
  when NilClass
    prefix.to_s
  else
    "#{prefix}=#{escape(value)}"
  end
end