debian-mirror-gitlab/spec/rubocop/cop/gitlab/delegate_predicate_methods_spec.rb

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2021-04-29 21:17:54 +05:30
# frozen_string_literal: true
require 'fast_spec_helper'
require_relative '../../../../rubocop/cop/gitlab/delegate_predicate_methods'
RSpec.describe RuboCop::Cop::Gitlab::DelegatePredicateMethods do
subject(:cop) { described_class.new }
it 'registers offense for single predicate method with allow_nil:true' do
expect_offense(<<~SOURCE)
delegate :is_foo?, :do_foo, to: :bar, allow_nil: true
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Using `delegate` with `allow_nil` on the following predicate methods is discouraged: is_foo?.
SOURCE
end
it 'registers offense for multiple predicate methods with allow_nil:true' do
expect_offense(<<~SOURCE)
delegate :is_foo?, :is_bar?, to: :bar, allow_nil: true
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Using `delegate` with `allow_nil` on the following predicate methods is discouraged: is_foo?, is_bar?.
SOURCE
end
it 'registers no offense for non-predicate method with allow_nil:true' do
expect_no_offenses(<<~SOURCE)
delegate :do_foo, to: :bar, allow_nil: true
SOURCE
end
it 'registers no offense with predicate method with allow_nil:false' do
expect_no_offenses(<<~SOURCE)
delegate :is_foo?, to: :bar, allow_nil: false
SOURCE
end
it 'registers no offense with predicate method without allow_nil' do
expect_no_offenses(<<~SOURCE)
delegate :is_foo?, to: :bar
SOURCE
end
end