emerleite/culerity.js

## culerity.js
// 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;
});

## main.html.erb
<%
# 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
%>

## web_steps.rb
When /^I wait for the AJAX call to finish$/ do
  keep_looping = true
  while keep_looping do
    # TODO: Test this. It might be more efficient by sleeping for < 1 second.
    sleep 1
    begin
      count = page.evaluate_script('window.running_ajax_calls').to_i
      keep_looping = false if count == 0
    rescue => e
      if e.message.include? 'HTMLunitCorejsJavascript::Undefined'
        raise "For 'I wait for the AJAX call to finish' to work, please include culerity.js after including jQuery."
      else
        raise e
      end
    end
  end
end
	// this allows culerity to wait until all ajax requests have finished
	jQuery(function($) {
	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);
	}
	};

	$.ajax = ajax_with_count;
	});
	<%
	# In the <head> of your layout template
	if RAILS_ENV == 'test' or RAILS_ENV == 'cucumber' or RAILS_ENV == 'culerity'
	puts javascript_include_tag('culerity')
	end
	%>
	When /^I wait for the AJAX call to finish$/ 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