I believe the problem is that you're not telling the Language model
what to stub/mock when it calls the find method inside of
set_site_language.
I'm not entirely sure, but I would imagine that the TestUnit test is
passing, because it's using the full Rails stack to run the test.
Try doing something like this (code below):
On Jul 3, 2008, at 2:24 AM, Damian Terentiev wrote:
Good day!
I have a Rails app with a controller that sets an instance variable
in a
before_filter, like this:
class PostsController < ApplicationController
before_filter :set_site_language
def set_site_language
@site_language = cookie['lang'] ?
Language.find_by_code(cookie['lang']) :
Language.find(:first)
end
def index
@posts = Post.find_by_language_id(@site_language.id)
end
end
The controller has the following spec:
describe PostsController do
before(:each) do
@language_mock = mock_model(Language)
controller.stub!(:set_site_language).and_return @language_mock
end
it "should show home page" do
get :index
response.should be_success
end
end
And the equivalent test:
class PostsControllerTest < ActionController::TestCase
def test_should_show_home_page
get :index
assert_response :success
end
end
The test runs fine, but the spec fails with the following error on
line
with [EMAIL PROTECTED] = Post.find_by_language_id(@site_language.id)`:
RuntimeError in 'PostsController should show home page'
Called id for nil, which would mistakenly be 4 -- if you really wanted
the id of nil, use object_id
Seems that @site_language does not get assigned when spec runs. Could
you please help me solve this problem?
Yours,
Damian
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