Module: RSpec::RequestDescriber

Defined in:
lib/rspec/request_describer.rb,
lib/rspec/request_describer/version.rb

Constant Summary collapse

RESERVED_HEADER_NAMES = 
%w[
  content-type
  host
  https
].freeze
SUPPORTED_METHODS = 
%w[
  DELETE
  GET
  PATCH
  POST
  PUT
].freeze
VERSION = 
'0.3.2'.freeze

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/rspec/request_describer.rb', line 20

def included(base)
  base.instance_eval do
    subject do
      send_request
    end

    let(:send_request) do
      send(
        http_method,
        path,
        headers: env,
        params: request_body
      )
    end

    let(:request_body) do
      if headers.any? { |key, value| key.to_s.casecmp('content-type').zero? && value == 'application/json' }
        params.to_json
      else
        params.inject({}) do |result, (key, value)|
          result.merge(key.to_s => value)
        end
      end
    end

    let(:headers) do
      {}
    end

    let(:params) do
      {}
    end

    let(:env) do
      headers.inject({}) do |result, (key, value)|
        key = key.to_s
        key = 'HTTP_' + key unless RESERVED_HEADER_NAMES.include?(key.downcase)
        key = key.tr('-', '_').upcase
        result.merge(key => value)
      end
    end

    let(:endpoint_segments) do
      current_example = ::RSpec.respond_to?(:current_example) ? ::RSpec.current_example : example
      current_example.full_description.match(/(#{::Regexp.union(SUPPORTED_METHODS)}) (\S+)/).to_a
    end

    # @return [String] e.g. `"get"`
    let(:http_method) do
      endpoint_segments[1].downcase
    end

    let(:path) do
      endpoint_segments[2].gsub(/:(\w+[!?=]?)/) { send(Regexp.last_match(1)) }
    end
  end
end