devtools_spec.rb

# frozen_string_literal: true

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require File.expand_path('webdriver/spec_helper', __dir__)
require 'selenium/devtools'

module Selenium
  describe DevTools do
    describe '.load_version' do
      let(:current_version) { Gem::Version.new(Selenium::DevTools::VERSION).segments[1] }

      around do |example|
        described_class.version = version
        example.call
      ensure
        described_class.version = nil
      end

      context 'when the version is too high' do
        let(:version) { current_version + 1 }

        it 'can fall back to an older devtools if necessary' do
          msg1 = /Could not load selenium-devtools v#{version}. Trying older versions/
          msg2 = /Using selenium-devtools version v#{current_version}, some features may not work as expected/
          expect { described_class.load_version }.to output(match(msg1).and(match(msg2))).to_stderr_from_any_process
        end
      end
    end
  end # DevTools
end # Selenium