# frozen_string_literal: true require_relative '../../../test_helper'require_relative '../../../../lib/docs' class DocsSubscriberTest < Minitest::Spec  let(:subscriber) { Docs::Subscriber.new }   describe "#format_url" do    it "removes http:// scheme" do      assert_equal 'devdocs.test.co/path', subscriber.send(:format_url, 'http://devdocs.test.co/path')    end     it "removes https:// scheme" do      assert_equal 'devdocs.test.co/path', subscriber.send(:format_url, 'https://devdocs.test.co/path')    end     it "returns non-http urls unchanged" do      assert_equal 'devdocs.test.co/path', subscriber.send(:format_url, 'devdocs.test.co/path')    end  end   describe "#format_path" do    it "removes the current working directory prefix" do      full_path = File.join(Dir.pwd, 'some/file.rb')      assert_equal 'some/file.rb', subscriber.send(:format_path, full_path)    end     it "returns paths outside the cwd unchanged" do      assert_equal '/other/path', subscriber.send(:format_path, '/other/path')    end     it "calls to_s on the argument" do      path = Object.new      def path.to_s; '/other/path'; end      assert_equal '/other/path', subscriber.send(:format_path, path)    end  end   describe "#justify" do    describe "when terminal_width is nil" do      before { subscriber.instance_variable_set(:@terminal_width, nil) }       it "returns the string unchanged" do        assert_equal 'hello', subscriber.send(:justify, 'hello')      end    end     describe "when terminal_width is set" do      before { subscriber.instance_variable_set(:@terminal_width, 20) }       it "pads a short string to terminal width" do        result = subscriber.send(:justify, 'hi')        assert_equal 20, result.length        assert result.start_with?('hi')      end       it "truncates a long string to terminal width" do        result = subscriber.send(:justify, 'a' * 30)        assert_equal 20, result.length      end       it "reserves space for a trailing tag and pads the rest" do        result = subscriber.send(:justify, 'hi [tag]')        assert_equal 20, result.length        assert result.end_with?('[tag]')      end       it "truncates the non-tag part when the string is too long" do        result = subscriber.send(:justify, ('a' * 30) + ' [tag]')        assert_equal 20, result.length        assert result.end_with?('[tag]')      end    end  end   describe "#terminal_width" do    it "returns nil when stdout is not a tty" do      old_stdout = $stdout      $stdout = StringIO.new      sub = Docs::Subscriber.new      assert_nil sub.send(:terminal_width)    ensure      $stdout = old_stdout    end     it "reads COLUMNS env var when stdout is a tty" do      sub = Docs::Subscriber.new      # Override tty? on the instance to avoid needing a real tty      def sub.tty?; true; end      old_columns = ENV.delete('COLUMNS')      ENV['COLUMNS'] = '666'      assert_equal 666, sub.send(:terminal_width)    ensure      ENV['COLUMNS'] = old_columns    end  endend