dude, topfunky++

Geoff,

Looks simple, I need to step up my test-game.

FYI, I got the dreded “Application Error(Rails)” the first time my RSS client (Thunderbird) tried to read this post. 30 seconds later it was fine. Maybe worth a log check?

Doh, now I got it again when submitting my comment from Thunderbird. We’ll see how submitting from firefox goes…no dice try 1. Try #2…Try #3…#4…

You realize I’m totally stealing this for Test::Rails.

Geoff, just thought I’d mention (having just tried this) that the files this plugin generates are named bad – if you rename helper_testcase.rb to helper_test_case.rb then Rails will automagically pick it up.

Great stuff though :)

Geoff,

So speaking of plugins, what are the plugins you just couldn’t live without? I haven’t really found anything out there for rail plugins like say, firefox extensions. What do you recommmend? And is there a place that shows what others do?

weird, I can’t run the ‘script/plugin discover’ command.. when I run it, I get a list of URLs to confirm and finally:

Add http://jthopple.textdriven.com/svn/public/rails/plugins/? [Y/n]
(eval):3:in `each': undefined method `[]' for nil:NilClass (NoMethodError)
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/plugin.rb:627:in `scrape'
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/plugin.rb:601:in `parse!'
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/plugin.rb:600:in `parse!'
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/plugin.rb:411:in `parse!'
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/plugin.rb:427:in `parse!'
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/plugin.rb:823
        from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in `require'
        from /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:214:in `require'
        from script/plugin:3

any help would be greatly appreciated, thanks! :)

Very unfortunately its totally breaks in Rails 1.2.2, thought it worked beautefully in 1.1.6. Also, was that included in Rails 1.2 directly, because its really a super awsome plugin

ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:249:in `load_missing_constant': Expected /usr/local/RailsProjects/rails_apps/cmws/config/../app/helpers/cmws_helper.rb to define CMWSHelper (LoadError)
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:452:in `const_missing'
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:464:in `const_missing'
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:260:in `load_missing_constant'
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:468:in `const_missing'
        from ./test/unit/helpers/cmws_helper_test.rb:9
        from ruby-1.8.5/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
        from ruby-1.8.5/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in `new_constants_in'
        from ruby-1.8.5/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
        from -e:1
        from -e:1:in `each'
        from -e:1

Just wind up using recipe 44, it works well in Rails 1.2

Is it possible to use ‘assert_select’ against a helper methods output? This would seem to be the natural approach but at first glance I could not assert_select to work for partial ouput.

I have found that, in fact, you can use assert_select quite easily. Simply do the following:

1. Add @response = ActionController::TestResponse.new into the HelperTestCase#setup
2. In your test case, store the result of the helper method in @response.body

The following example demonstrates:

class ApplicationHelperTest < HelperTestCase

  include ApplicationHelper

  def test_checkmark_img
    @response.body = checkmark_img(true)
    assert_select "img" 
  end

end

I also found that when using the content_tag method to generate html, I needed to also include the CaptureHelper and TextHelper modules. By the way, passing a block to content_tag will cause an error when run from the test case. This problem has been documented.

Great stuff. In case it helps anyone else, on a machine that still had ruby 1.8.4 on it we were seeing:

Unable to map class ApplicationHelperTest to a file

Come up during test runs. Upping to 1.8.6 fixed this, so I assume something changed in the standard lib test/unit.

Hmm. My last comment was wrong, that error actually seems to be related to running the tests with autotest (ZenTest) and it not being able to find the test to re-run it.

Also, I noted that while this post says it was published 6/13/07 it isn’t actually current and shows up on your archive page as from April 2006? Can anyone toss a pointer to whatever the most current suggested method of testing helpers is?

Thanks much.

Thanks!

I am unable to figure out how to get ZenTest to actually do any kind of real testng with helpers.

Could you give a pointer or two?

This broke for me upgrading from 2.0.1 -> 2.0.2 … setup method does not get called with Test::Unit. Haven’t been able to figure out any more yet, unfortunately. Ugly work around is to call a setup method in each test case. You can’t call this method ‘setup’ either, so maybe it’s getting aliased somewhere.

Did some more looking, it seems rails is aliasing the setup method in vendor/rails/activerecord/lib/active_record/fixtures.rb which I suspect is causing issues. In my helper, I changed the ‘setup’ method to ‘setup_with_fixtures’ (making sure I called super) and everything is fine. ‘setup’ in HelperTestCase still gets called.

Did some more research, maybe this will help: Test setup broken in Rails 2.0.2

script/plugin install helper_test

times out

And then once I get past the timing out issues, I get this:

test/helper_testcase.rb:4: uninitialized constant ApplicationController (NameError) from ./test/unit/../test_helper.rb:4:in `require’ from ./test/unit/../test_helper.rb:4 from ./test/unit/form15_test.rb:1:in `require’ from ./test/unit/form15_test.rb:1 from /var/lib/gems/1.8/gems/rake-0.8.1/lib/rake/rake_test_loader.rb:5:in `load’ from /var/lib/gems/1.8/gems/rake-0.8.1/lib/rake/rake_test_loader.rb:5 from /var/lib/gems/1.8/gems/rake-0.8.1/lib/rake/rake_test_loader.rb:5:in `each’ from /var/lib/gems/1.8/gems/rake-0.8.1/lib/rake/rake_test_loader.rb:5 rake aborted! Command failed with status (1): [/usr/bin/ruby1.8 -Ilib:test ”/var/lib/gems…]

(See full trace by running task with—trace)

Rails has the built-in ActionView::TestCase now too. So you can…

class MyHelperTest < ActionView::TestCase
  tests MyHelper
  ...
end

Just add require ‘action_view/test_case’ in test_helper.rb to enable it.

Hi!

Is there any caveats in fixtures loading in helper tests? I got strange errors while using helper test, but everything is fine while using functional tests.