require 'rspec'

class A
  class << self
    # Problematic method
    def test_method_with_default_argument(kw_arg: 1)
      method_var = kw_arg
      puts method_var
    end

    def test_method_two(kw_arg:)
      method_var = kw_arg
      puts method_var
    end
  end

  # Problematic method
  def self.test_method_three(kw_arg: 1)
    method_var = kw_arg
    puts method_var
  end

  def self.test_method_four(kw_arg:)
    method_var = kw_arg
    puts method_var
  end

  def test_instance_method(kw_arg: 1)
    method_var = kw_arg
    puts method_var
  end
end

RSpec.describe A do
  describe '.test_method_with_default_argument' do
    it 'should throw an exception' do
      expect { A.test_method_with_default_argument(method_var: 'a') }.to raise_error(ArgumentError)
    end
  end

  describe '.test_method_two' do
    it 'should throw and exception' do
      expect { A.test_method_two(method_var: 'a') }.to raise_error(ArgumentError)
    end
  end

  describe '.test_method_three' do
    it 'should throw and exception' do
      expect { A.test_method_three(method_var: 'a') }.to raise_error(ArgumentError)
    end
  end

  describe '.test_method_four' do
    it 'should throw and exception' do
      expect { A.test_method_four(method_var: 'a') }.to raise_error(ArgumentError)
    end
  end

  describe '#test_instance_method' do
    it 'should throw and exception' do
      expect { A.test_method_two(method_var: 'a') }.to raise_error(ArgumentError)
    end
  end
end