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