memoized_helpers_in_example_group_spec.rb

# frozen_string_literal: true

RSpec.describe RuboCop::Cop::RSpec::MemoizedHelpersInExampleGroup do
  subject(:cop) { described_class.new(config) }

  let(:config) { RuboCop::Config.new }

  # TODO: Write test code
  #
  # For example
  it 'flags an offense when using `#let`' do
    expect_offense(<<~RUBY)
      let(:foo) { Foo.new }
      ^^^^^^^^^ Avoid using `let` – use a method call or local variable instead.
    RUBY
  end

  it 'flags an offense when using `#subject` without name' do
    expect_offense(<<~RUBY)
      subject { Foo.new }
      ^^^^^^^ Avoid using `subject` – use a method call or local variable instead.
    RUBY
  end

  it 'flags an offense when using `#subject` with name' do
    expect_offense(<<~RUBY)
      subject(:foo) { Foo.new }
      ^^^^^^^^^^^^^ Avoid using `subject` – use a method call or local variable instead.
    RUBY
  end

  it 'does not flag an offense when using `#before`' do
    expect_no_offenses(<<~RUBY)
      before { foo }
    RUBY
  end

  context 'when using AllowSubject configuration', :config do
    subject(:cop) { described_class.new(config) }

    let(:cop_config) do
      { 'AllowSubject' => true }
    end

    it 'flags an offense when using `#let`' do
      expect_offense(<<~RUBY)
        let(:foo) { Foo.new }
        ^^^^^^^^^ Avoid using `let` – use a method call or local variable instead.
      RUBY
    end

    it 'does not flag an offense when using `#subject` without a name' do
      expect_no_offenses(<<~RUBY)
        subject { Foo.new }
      RUBY
    end

    it 'does not flag an offense when using `#subject` with a name' do
      expect_no_offenses(<<~RUBY)
        subject(:foo) { Foo.new }
      RUBY
    end
  end
end