How to inject a Javascript file to the page before the @javascript scenarios?

[planon]

I have been trying to do something that's eluded my understanding so far, and that's why I am turning to this list for help. What I want to do is to inject a javascript file to a page loaded by a Cucumber step after it's been loaded by Cucumber. This file would include some stubs for an ajax call to an external service, so it has to be executed after all the scripts on the page have finished loading. I understand I can use `page.evaluate_script('4 + 4')`, but I am trying to figure out I could use that to evaluate the script in a Cucumber hook, and make sure it's not loaded before the scripts on that page are finished loading. 

Thanks!

[Aslak Hellesøy]

On Thursday, 22 November 2012 at 22:30, planon wrote:

I have been trying to do something that's eluded my understanding so far, and that's why I am turning to this list for help. What I want to do is to inject a javascript file to a page loaded by a Cucumber step after it's been loaded by Cucumber.

I think you are confusing Cucumber with Capybara, which has its own forum.

Aslak 

This file would include some stubs for an ajax call to an external service, so it has to be executed after all the scripts on the page have finished loading. I understand I can use `page.evaluate_script('4 + 4')`, but I am trying to figure out I could use that to evaluate the script in a Cucumber hook, and make sure it's not loaded before the scripts on that page are finished loading. 

Thanks!

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[Matt Wynne]

On 22 Nov 2012, at 22:30, planon wrote:

I have been trying to do something that's eluded my understanding so far, and that's why I am turning to this list for help. What I want to do is to inject a javascript file to a page loaded by a Cucumber step after it's been loaded by Cucumber. This file would include some stubs for an ajax call to an external service, so it has to be executed after all the scripts on the page have finished loading. I understand I can use `page.evaluate_script('4 + 4')`, but I am trying to figure out I could use that to evaluate the script in a Cucumber hook, and make sure it's not loaded before the scripts on that page are finished loading. 

There isn't a cucumber hook that will run based on events for your page loading. You could override Capybara's visit method to create one for yourself:

module VisitWithAfterHook

  def visit(*args)

    super

    after_visit(*args)

  end

end

World(VisitWithAfterHook)

Ensuring that the script is evaluated after the DOM has loaded is another question. I'd ask about that on the capybara list.

Thanks!

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cheers,

Matt

--
Freelance programmer & coach
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[planon]

Sweet. Thanks!