# frozen_string_literal: true require_relative '../lib/cli' RSpec.describe CLI do let(:valid_file_path) { 'test_actions.txt' } let(:invalid_file_path) { 'non_existent_file.txt' } before do File.write(valid_file_path, 'some actions') end after do File.delete(valid_file_path) if File.exist?(valid_file_path) end describe '#initialize' do context 'when no arguments are provided' do it 'prints usage message and exits' do expect do CLI.new([]) end.to output(%r{Usage: family_tree }).to_stdout.and raise_error(SystemExit) end end context 'when an invalid file path is provided' do it 'prints error message and exits' do expect do CLI.new([invalid_file_path]) end.to output(/Error: The file 'non_existent_file.txt' does not exist./).to_stdout.and raise_error(SystemExit) end end context 'when a valid file path is provided' do it 'initializes successfully' do cli = CLI.new([valid_file_path]) expect(cli).to be_an_instance_of(CLI) end end end end