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dmolesUC/wait-for-ajax.rb

Last active July 10, 2018 20:18
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Capybara: wait for Ajax with Prototype.js
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wait-for-ajax.rb
# in spec/features_helper.rb
# adapted from https://robots.thoughtbot.com/automatically-wait-for-ajax-with-capybara
# for legacy Rails apps still using Prototype.js
def wait_for_ajax!
Timeout.timeout(Capybara.default_max_wait_time) do
# Error pages etc. may not have Ajax defined
loop until page.evaluate_script("(typeof Ajax === 'undefined') ? 0 : Ajax.activeRequestCount").zero?
end
end
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