Changing default drivers using Capybara per scenario - ruby

Question

I have written a small block that will launch Google Chrome when I set a tag #chrome above a scenario within a feature file.
Before ('#chrome') do
Capybara.default_driver = :selenium
Capybara.register_driver :selenium do |app|
Capybara::Selenium::Driver.new(app,
:browser => :chrome,
desired_capabilities: {
'chromeOptions' => {
'args' => %w{ window-size=1920,1080 }
}
}
)
end
end
The problem I have is that all subsequent scenarios within the feature file will also run in Chrome, even when the tag isn't set for them.
Is there a way to add to it to say revert back to Poltergeist once I'm done. I've tried the following but it didn't work:
After do |scenario|
if #chrome == true
Capybara.register_driver = :poltergeist
Capybara::Poltergeist::Driver.new(
app,
phantomjs_options: ['--ignore-ssl-errors=yes', '--ssl-protocol=TLSv1'],
window_size: [1280, 1024],
js_errors: false,
debug: false
)
end
end
Thanks in advance for any help you might have

Answer 1

Capybara already provides this behavior here . To use it you just need to require it and register a driver with the tag name you want to use. This would usually be in your env.rb/custom_env.rb
require 'capybara/cucumber'
Capybara.register_driver :chrome do |app|
Capybara::Selenium::Driver.new(app,
browser: :chrome,
...
)
end
The important thing is the name you use to register the driver has to match the tag used (in this case #chrome). It also shows you shouldn't be changing Capybara.default_driver on a test by test basis, that's what Capybara.current_driver is for. You also shouldn't be registering a new driver every scenario, register_driver is meant to be called once for each driver configuration you will need and then referenced by name later.