Class: FauxLambda::CliHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/faux_lambda/cli_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CliHandler

Returns a new instance of CliHandler.



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# File 'lib/faux_lambda/cli_handler.rb', line 6

def initialize
  @functions = {
    default: {
      invocation_type: nil,
      replies: []
    }
  }
  @options = {}
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/faux_lambda/cli_handler.rb', line 4

def options
  @options
end

Instance Method Details

#handler(call) ⇒ Object 



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# File 'lib/faux_lambda/cli_handler.rb', line 48

def handler(call)
  data = function_data(call)
  reply_from(data[:replies], call)
end

#parse_options(argv) ⇒ Object 



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# File 'lib/faux_lambda/cli_handler.rb', line 16

def parse_options(argv)
  current_function = :default
  parser = OptionParser.new do |opts|
    opts.banner = "AWS Lambda debugging endpoint, version #{FauxLambda::VERSION}."
    opts.separator('')
    opts.separator('Usage: faux-lambda --reply "Hello world!"')
    opts.separator('Query specifiers:')
    opts.on('--function name', '-f name', 'Name of function to expect, optionally with :<qualifier>') do |function_name|
      current_function = function_name
      @functions[current_function] = {replies: []}
    end
    opts.separator('Reply specifiers:')
    opts.on('--reply payload', '-r payload', 'Data to respond with') do |payload|
      @functions[current_function][:replies] << lambda {|_| payload }
    end
    opts.on('--handler script.rb', '-h script.rb', 'Ruby script is eval:ed to produce reply') do |script|
      @functions[current_function][:replies] << make_handler(script)
    end
    opts.on('--fail', 'AWS Lambda framework gives 400') do
      @functions[current_function][:replies] << lambda {|_| :fail }
    end
    opts.separator('Control options')
    opts.on('--port port', 'TCP port to bind, 9123 by default') do |port|
      @options[:port] = port
    end
    opts.on('--bind address', 'Interface to bind to, localhost by default') do |bindaddress|
      @options[:bind] = bindaddress
    end
  end
  parser.parse!(argv)
end