Module: Rack::Test::Utils

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

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.build_file_part(parameter_name, uploaded_file) ⇒ Object 



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# File 'lib/rack/test/utils.rb', line 138

def build_file_part(parameter_name, uploaded_file)
  ::File.open(uploaded_file.path, "rb") do |physical_file|
    physical_file.set_encoding(Encoding::BINARY) if physical_file.respond_to?(:set_encoding)
    "--\#{MULTIPART_BOUNDARY}\\r\nContent-Disposition: form-data; name=\"\#{parameter_name}\"; filename=\"\#{escape(uploaded_file.original_filename)}\"\\r\nContent-Type: \#{uploaded_file.content_type}\\r\nContent-Length: \#{::File.stat(uploaded_file.path).size}\\r\n\\r\n\#{physical_file.read}\\r\n"
  end
end

.build_multipart(params, first = true, multipart = false) ⇒ Object 



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# File 'lib/rack/test/utils.rb', line 33

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

    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 8

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

.build_parts(parameters) ⇒ Object 



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# File 'lib/rack/test/utils.rb', line 92

def build_parts(parameters)
  get_parts(parameters).join + "--#{MULTIPART_BOUNDARY}--\r"
end

.build_primitive_part(parameter_name, value) ⇒ Object 



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# File 'lib/rack/test/utils.rb', line 123

def build_primitive_part(parameter_name, value)
  unless value.is_a? Array
    value = [value]
  end
  value.map do |v|
    "--\#{MULTIPART_BOUNDARY}\\r\nContent-Disposition: form-data; name=\"\#{parameter_name}\"\\r\n\\r\n\#{v}\\r\n"
  end.join
end

.get_parts(parameters) ⇒ Object 



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# File 'lib/rack/test/utils.rb', line 97

def get_parts(parameters)
  parameters.map { |name, value|
    if name =~ /\[\]\Z/ && value.is_a?(Array) && value.all? {|v| v.is_a?(Hash)}
      value.map { |hash|
        new_value = {}
        hash.each { |k, v| new_value[name+k] = v }
        get_parts(new_value).join
      }.join
    else
      if value.respond_to?(:original_filename)
        build_file_part(name, value)

      elsif value.is_a?(Array) and value.all? { |v| v.respond_to?(:original_filename) }
        value.map do |v|
          build_file_part(name, v)
        end.join

      else
        primitive_part = build_primitive_part(name, value)
        Rack::Test.encoding_aware_strings? ? primitive_part.force_encoding('BINARY') : primitive_part
      end
    end
  }
end