service_spec.rb

# frozen_string_literal: true

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require File.expand_path('../spec_helper', __dir__)

module Selenium
  module WebDriver
    module Chrome
      describe Service do
        describe '#new' do
          let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }

          before do
            allow(Platform).to receive(:assert_executable)
          end

          after { described_class.driver_path = nil }

          it 'uses nil path and default port' do
            service = described_class.new

            expect(service.port).to eq Service::DEFAULT_PORT
            expect(service.host).to eq Platform.localhost
            expect(service.executable_path).to be_nil
          end

          it 'uses provided path and port' do
            path = 'foo'
            port = 5678

            service = described_class.new(path: path, port: port)

            expect(service.executable_path).to eq path
            expect(service.port).to eq port
            expect(service.host).to eq Platform.localhost
          end

          it 'does not create args by default' do
            service = described_class.new

            expect(service.extra_args).to be_empty
          end

          it 'uses sets log path to stdout' do
            service = described_class.new(log: :stdout)

            expect(service.log).to eq $stdout
          end

          it 'uses sets log path to stderr' do
            service = described_class.new(log: :stderr)

            expect(service.log).to eq $stderr
          end

          it 'setting log output as a file converts to argument' do
            service = described_class.new(log: '/path/to/log.txt')

            expect(service.log).to be_nil
            expect(service.args).to eq ['--log-path=/path/to/log.txt']
          end

          it 'uses provided args' do
            service = described_class.new(args: ['--foo', '--bar'])

            expect(service.extra_args).to eq ['--foo', '--bar']
          end
        end

        context 'when initializing driver' do
          let(:driver) { Chrome::Driver }
          let(:service) do
            instance_double(described_class, launch: service_manager, executable_path: nil, 'executable_path=': nil,
                                             class: described_class)
          end
          let(:service_manager) { instance_double(ServiceManager, uri: 'http://example.com') }
          let(:bridge) { instance_double(Remote::Bridge, quit: nil, create_session: {}) }
          let(:finder) { instance_double(DriverFinder, browser_path?: false, driver_path: '/path/to/driver') }

          before do
            allow(Remote::Bridge).to receive(:new).and_return(bridge)
            allow(bridge).to receive(:browser).and_return(:chrome)
          end

          it 'errors when :url is provided' do
            expect {
              driver.new(url: 'http://example.com:4321')
            }.to raise_error(ArgumentError, "Can't initialize Selenium::WebDriver::Chrome::Driver with :url")
          end

          it 'is created when :url is not provided' do
            allow(DriverFinder).to receive(:new).and_return(finder)
            allow(described_class).to receive(:new).and_return(service)

            driver.new
            expect(described_class).to have_received(:new).with(no_args)
          end

          it 'accepts :service without creating a new instance' do
            allow(DriverFinder).to receive(:new).and_return(finder)
            allow(described_class).to receive(:new)

            driver.new(service: service)
            expect(described_class).not_to have_received(:new)
          end

          context 'with a path env variable' do
            let(:service) { described_class.new }
            let(:service_path) { "/path/to/#{Service::EXECUTABLE}" }

            before do
              ENV['SE_CHROMEDRIVER'] = service_path
            end

            after { ENV.delete('SE_CHROMEDRIVER') }

            it 'uses the path from the environment' do
              expect(service.executable_path).to match(/chromedriver/)
            end

            it 'updates the path after setting the environment variable' do
              ENV['SE_CHROMEDRIVER'] = '/foo/bar'
              service.executable_path = service_path

              expect(service.executable_path).to match(/chromedriver/)
            end
          end
        end
      end
    end # Chrome
  end # WebDriver
end # Selenium