Contents

# encoding: utf-8

require 'spec_helper'

module Rubocop
  module Cop
    module Style
      describe Lambda do
        subject(:lambda) { Lambda.new }

        it 'registers an offence for an old single-line lambda call' do
          inspect_source(lambda, ['f = lambda { |x| x }'])
          expect(lambda.offences.size).to eq(1)
          expect(lambda.messages).to eq([Lambda::SINGLE_MSG])
        end

        it 'accepts the new lambda literal with single-line body' do
          inspect_source(lambda, ['lambda = ->(x) { x }',
                                  'lambda.(1)'])
          expect(lambda.offences).to be_empty
        end

        it 'registers an offence for a new multi-line lambda call' do
          inspect_source(lambda, ['f = ->(x) do',
                                  '  x',
                                  'end'])
          expect(lambda.offences.size).to eq(1)
          expect(lambda.messages).to eq([Lambda::MULTI_MSG])
        end

        it 'accepts the old lambda syntax with multi-line body' do
          inspect_source(lambda, ['l = lambda do |x|',
                                  '  x',
                                  'end'])
          expect(lambda.offences).to be_empty
        end

        it 'accepts the lambda call outside of block' do
          inspect_source(lambda, ['l = lambda.test'])
          expect(lambda.offences).to be_empty
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rubocop-0.13.1	spec/rubocop/cop/style/lambda_spec.rb
rubocop-0.13.0	spec/rubocop/cop/style/lambda_spec.rb