Created
June 3, 2010 16:47
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Using Cucumber/Capybara/Culerity, a step to wait until all AJAX calls are complete.
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| // this allows culerity to wait until all ajax requests have finished | |
| jQuery(function($) { | |
| var original_ajax = $.ajax; | |
| var count_down = function(callback) { | |
| return function() { | |
| try { | |
| if(callback) { | |
| callback.apply(this, arguments); | |
| }; | |
| } catch(e) { | |
| window.running_ajax_calls -= 1; | |
| throw(e); | |
| } | |
| window.running_ajax_calls -= 1; | |
| }; | |
| }; | |
| window.running_ajax_calls = 0; | |
| var ajax_with_count = function(options) { | |
| if(options.async == false) { | |
| return(original_ajax(options)); | |
| } else { | |
| window.running_ajax_calls += 1; | |
| options.success = count_down(options.success); | |
| options.error = count_down(options.error); | |
| return original_ajax(options); | |
| } | |
| }; | |
| $.ajax = ajax_with_count; | |
| }); |
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| <% | |
| # In the <head> of your layout template | |
| if RAILS_ENV == 'test' or RAILS_ENV == 'cucumber' or RAILS_ENV == 'culerity' | |
| puts javascript_include_tag('culerity') | |
| end | |
| %> |
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| When /^I wait for the AJAX call to finish$/ do | |
| keep_looping = true | |
| while keep_looping do | |
| # TODO: Test this. It might be more efficient by sleeping for < 1 second. | |
| sleep 1 | |
| begin | |
| count = page.evaluate_script('window.running_ajax_calls').to_i | |
| keep_looping = false if count == 0 | |
| rescue => e | |
| if e.message.include? 'HTMLunitCorejsJavascript::Undefined' | |
| raise "For 'I wait for the AJAX call to finish' to work, please include culerity.js after including jQuery." | |
| else | |
| raise e | |
| end | |
| end | |
| end | |
| end |
Not a problem.
Fixed the typo in web_steps.rb, thanks for pointing it out :)
+1 thanks
web_steps.rb:9 forgot first (
if (e.message.include? 'HTMLunitCorejsJavascript::Undefined')
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Good stuff, just the step I was looking for. Thanks
I should mention there is a small typo on line 10 of web_steps.rb, missing an opening parenthesis or need to delete the closing one :-)