Contents

# encoding: utf-8

require 'spec_helper'

describe RuboCop::Cop::Metrics::ParameterLists, :config do
  subject(:cop) { described_class.new(config) }
  let(:cop_config) do
    {
      'Max' => 4,
      'CountKeywordArgs' => true
    }
  end

  it 'registers an offense for a method def with 5 parameters' do
    inspect_source(cop, ['def meth(a, b, c, d, e)',
                         'end'])
    expect(cop.offenses.size).to eq(1)
    expect(cop.config_to_allow_offenses).to eq('Max' => 5)
  end

  it 'accepts a method def with 4 parameters' do
    inspect_source(cop, ['def meth(a, b, c, d)',
                         'end'])
    expect(cop.offenses).to be_empty
  end

  context 'When CountKeywordArgs is true' do
    it 'counts keyword arguments as well', ruby: 2 do
      inspect_source(cop, ['def meth(a, b, c, d: 1, e: 2)',
                           'end'])
      expect(cop.offenses.size).to eq(1)
    end
  end

  context 'When CountKeywordArgs is false' do
    before { cop_config['CountKeywordArgs'] = false }

    it 'it does not count keyword arguments', ruby: 2 do
      inspect_source(cop, ['def meth(a, b, c, d: 1, e: 2)',
                           'end'])
      expect(cop.offenses).to be_empty
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rubocop-0.29.1	spec/rubocop/cop/metrics/parameter_lists_spec.rb
rubocop-0.29.0	spec/rubocop/cop/metrics/parameter_lists_spec.rb